/**
 * Admin page templates: overview, cameras, kiosks, account, etc.
 */
import { js } from "jsx-htmx";
import { Layout } from "./layout.js";
import type {
  Camera,
  Display,
  Kiosk,
  Label,
  Layout as LayoutType,
  LayoutCell,
  PairingCode,
  EventLog,
} from "../shared/types.js";

// ---- Overview ---------------------------------------------------------------

interface OverviewProps {
  user: string;
  cameraCount: number;
  kioskCount: number;
  onlineKioskCount: number;
  layoutCount: number;
  events: EventLog[];
}

export function OverviewPage(props: OverviewProps) {
  return (
    <Layout title="Overview" user={props.user} activeNav="overview">
      <div class="stats-grid">
        <div class="stat-card">
          <div class="stat-label">Cameras</div>
          <div class="stat-value">{String(props.cameraCount)}</div>
        </div>
        <div class="stat-card">
          <div class="stat-label">Kiosks</div>
          <div class="stat-value">{String(props.kioskCount)}</div>
        </div>
        <div class="stat-card">
          <div class="stat-label">Kiosks Online</div>
          <div class="stat-value">{String(props.onlineKioskCount)}</div>
        </div>
        <div class="stat-card">
          <div class="stat-label">Displays</div>
          <div class="stat-value">{String(props.layoutCount)}</div>
        </div>
      </div>

      <div class="section-header">
        <h2 class="section-title">Quick Links</h2>
      </div>
      <div class="stats-grid" style="margin-bottom:1.5rem">
        <a href="/admin/cameras/new" class="card" style="text-decoration:none; color:inherit">
          <strong>Add Camera</strong>
          <div style="color:#666; font-size:0.85rem">RTSP or ONVIF</div>
        </a>
        <a href="/admin/kiosks" class="card" style="text-decoration:none; color:inherit">
          <strong>Pair Kiosk</strong>
          <div style="color:#666; font-size:0.85rem">Enter pairing code</div>
        </a>
        <a href="/nrdp/" class="card" style="text-decoration:none; color:inherit">
          <strong>Rule Engine</strong>
          <div style="color:#666; font-size:0.85rem">Node-RED dashboard</div>
        </a>
      </div>

      <div class="section-header">
        <h2 class="section-title">Recent Events</h2>
      </div>
      <div class="table-wrap">
        <table>
          <thead>
            <tr>
              <th>Time</th>
              <th>Topic</th>
              <th>Source</th>
              <th>Payload</th>
            </tr>
          </thead>
          <tbody>
            {props.events.length === 0 ? (
              <tr><td colspan="4" style="text-align:center; color:#999; padding:2rem">No events yet</td></tr>
            ) : (
              props.events.map((ev) => (
                <tr>
                  <td style="white-space:nowrap; font-size:0.8rem">{formatTime(ev.received_at)}</td>
                  <td>{ev.topic}</td>
                  <td><span class="badge badge-gray">{ev.source_type}</span></td>
                  <td style="font-size:0.8rem; max-width:300px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap">
                    {JSON.stringify(ev.payload)}
                  </td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Cameras ----------------------------------------------------------------

interface CamerasProps {
  user: string;
  cameras: Camera[];
  streamCounts: Map<number, number>;
}

export function CamerasPage(props: CamerasProps) {
  return (
    <Layout title="Cameras" user={props.user} activeNav="cameras">
      <div class="section-header">
        <h2 class="section-title">All Cameras</h2>
        <a href="/admin/cameras/new" class="btn btn-primary">Add Camera</a>
      </div>
      <div class="table-wrap">
        <table>
          <thead>
            <tr>
              <th>Name</th>
              <th>Type</th>
              <th>Streams</th>
              <th>Status</th>
            </tr>
          </thead>
          <tbody>
            {props.cameras.length === 0 ? (
              <tr><td colspan="4" style="text-align:center; color:#999; padding:2rem">No cameras configured</td></tr>
            ) : (
              props.cameras.map((cam) => (
                <tr>
                  <td><a href={`/admin/cameras/${cam.id}`}><strong>{cam.name}</strong></a></td>
                  <td><span class="badge badge-blue">{cam.type.toUpperCase()}</span></td>
                  <td>{String(props.streamCounts.get(cam.id) ?? 0)}</td>
                  <td>
                    {cam.enabled
                      ? <span class="badge badge-green">Enabled</span>
                      : <span class="badge badge-gray">Disabled</span>
                    }
                  </td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Camera New -------------------------------------------------------------

interface CameraNewProps {
  user: string;
  error?: string;
  values?: Record<string, string>;
}

export function CameraNewPage(props: CameraNewProps) {
  const v = props.values ?? {};
  return (
    <Layout
      title="Add Camera"
      user={props.user}
      activeNav="cameras"
      flash={props.error ? { type: "error", message: props.error } : undefined}
    >
      <div style="max-width:600px">
        <form method="post" action="/admin/cameras/new">
          <div class="form-group">
            <label for="name">Camera Name</label>
            <input
              id="name"
              name="name"
              type="text"
              class="form-input"
              required
              maxlength="128"
              value={v["name"] ?? ""}
            />
          </div>

          <div class="form-group">
            <label>Type</label>
            <div class="radio-group">
              <label>
                <input type="radio" name="type" value="rtsp" checked={v["type"] !== "onvif"} />
                RTSP
              </label>
              <label>
                <input type="radio" name="type" value="onvif" checked={v["type"] === "onvif"} />
                ONVIF
              </label>
            </div>
          </div>

          <div id="rtsp-fields">
            <div class="form-group">
              <label for="rtsp_host">Host</label>
              <input id="rtsp_host" name="rtsp_host" type="text" class="form-input" placeholder="192.168.1.100" value={v["rtsp_host"] ?? ""} />
            </div>
            <div style="display:grid; grid-template-columns:1fr 2fr; gap:0.75rem">
              <div class="form-group">
                <label for="rtsp_port">Port</label>
                <input id="rtsp_port" name="rtsp_port" type="number" class="form-input" value={v["rtsp_port"] ?? "554"} />
              </div>
              <div class="form-group">
                <label for="rtsp_path">Path</label>
                <input id="rtsp_path" name="rtsp_path" type="text" class="form-input" placeholder="/Streaming/Channels/101" value={v["rtsp_path"] ?? ""} />
              </div>
            </div>
            <div style="display:grid; grid-template-columns:1fr 1fr; gap:0.75rem">
              <div class="form-group">
                <label for="rtsp_username">Username</label>
                <input id="rtsp_username" name="rtsp_username" type="text" class="form-input" value={v["rtsp_username"] ?? ""} />
              </div>
              <div class="form-group">
                <label for="rtsp_password">Password</label>
                <input id="rtsp_password" name="rtsp_password" type="password" class="form-input" value={v["rtsp_password"] ?? ""} />
              </div>
            </div>
          </div>

          <div id="onvif-fields" style="display:none">
            <div class="form-group">
              <label for="onvif_host">Host</label>
              <input id="onvif_host" name="onvif_host" type="text" class="form-input" value={v["onvif_host"] ?? ""} />
            </div>
            <div class="form-group">
              <label for="onvif_port">Port</label>
              <input id="onvif_port" name="onvif_port" type="number" class="form-input" value={v["onvif_port"] ?? "80"} />
            </div>
            <div style="display:grid; grid-template-columns:1fr 1fr; gap:0.75rem">
              <div class="form-group">
                <label for="onvif_username">Username</label>
                <input id="onvif_username" name="onvif_username" type="text" class="form-input" value={v["onvif_username"] ?? ""} />
              </div>
              <div class="form-group">
                <label for="onvif_password">Password</label>
                <input id="onvif_password" name="onvif_password" type="password" class="form-input" />
              </div>
            </div>
          </div>

          <button type="submit" class="btn btn-primary">Add Camera</button>
          <a href="/admin/cameras" class="btn btn-ghost" style="margin-left:0.5rem">Cancel</a>
        </form>
      </div>

      <script>{js(
        `(function(){` +
        `var radios=document.querySelectorAll('input[name="type"]');` +
        `var rd=document.getElementById("rtsp-fields");` +
        `var od=document.getElementById("onvif-fields");` +
        `function t(){var el=document.querySelector('input[name="type"]:checked');` +
        `var v=el?el.value:"rtsp";` +
        `if(rd)rd.style.display=v==="rtsp"?"block":"none";` +
        `if(od)od.style.display=v==="onvif"?"block":"none";}` +
        `radios.forEach(function(r){r.addEventListener("change",t)});t();})()`
      )}</script>
    </Layout>
  );
}

// ---- Kiosks -----------------------------------------------------------------

interface KiosksProps {
  user: string;
  kiosks: Kiosk[];
  pendingCodes: PairingCode[];
  error?: string;
}

export function KiosksPage(props: KiosksProps) {
  return (
    <Layout title="Kiosks" user={props.user} activeNav="kiosks" flash={props.error ? { type: "error", message: props.error } : undefined}>
      <div class="two-col">
        <div>
          <div class="section-header">
            <h2 class="section-title">Paired Kiosks</h2>
          </div>
          <div class="table-wrap">
            <table>
              <thead>
                <tr>
                  <th>Name</th>
                  <th>Hardware</th>
                  <th>Last Seen</th>
                  <th>Status</th>
                </tr>
              </thead>
              <tbody>
                {props.kiosks.length === 0 ? (
                  <tr><td colspan="4" style="text-align:center; color:#999; padding:2rem">No kiosks paired</td></tr>
                ) : (
                  props.kiosks.map((k) => (
                    <tr>
                      <td><a href={`/admin/kiosks/${k.id}`}><strong>{k.name}</strong></a></td>
                      <td style="font-size:0.85rem">{k.hardware_model ?? "—"}</td>
                      <td style="font-size:0.85rem; white-space:nowrap">{k.last_seen_at ? formatTime(k.last_seen_at) : "Never"}</td>
                      <td>
                        {k.enabled
                          ? <span class="badge badge-green">Active</span>
                          : <span class="badge badge-gray">Disabled</span>
                        }
                      </td>
                    </tr>
                  ))
                )}
              </tbody>
            </table>
          </div>
        </div>

        <div>
          <div class="section-header">
            <h2 class="section-title">Pair New Kiosk</h2>
          </div>
          <div class="card">
            <form method="post" action="/admin/kiosks/pair">
              <div class="form-group">
                <label for="code">Pairing Code</label>
                <input
                  id="code"
                  name="code"
                  type="text"
                  class="form-input"
                  required
                  maxlength="8"
                  pattern="[A-Z2-9]{8}"
                  style="text-transform:uppercase; text-align:center; font-size:1.25rem; letter-spacing:0.2rem"
                />
                <div class="form-hint">8-character code shown on kiosk screen.</div>
              </div>
              <div class="form-group">
                <label for="name_override">Name Override (optional)</label>
                <input id="name_override" name="name_override" type="text" class="form-input" />
              </div>
              <div class="form-group">
                <label for="initial_labels">Initial Labels (optional)</label>
                <input id="initial_labels" name="initial_labels" type="text" class="form-input" placeholder="lobby, floor-1" />
                <div class="form-hint">Comma-separated label names.</div>
              </div>
              <button type="submit" class="btn btn-primary btn-block">Pair Kiosk</button>
            </form>

            {props.pendingCodes.length > 0 && (
              <div style="margin-top:1.25rem; border-top:1px solid #eee; padding-top:1rem">
                <div style="font-weight:600; font-size:0.85rem; margin-bottom:0.5rem">Pending Codes</div>
                {props.pendingCodes.map((pc) => (
                  <div style="display:flex; justify-content:space-between; font-size:0.85rem; padding:0.25rem 0">
                    <code>{pc.code}</code>
                    <span style="color:#666">{formatTime(pc.expires_at)}</span>
                  </div>
                ))}
              </div>
            )}
          </div>
        </div>
      </div>
    </Layout>
  );
}

// ---- Account ----------------------------------------------------------------

interface AccountProps {
  user: string;
  totpEnabled: boolean;
  error?: string;
  success?: string;
}

export function AccountPage(props: AccountProps) {
  return (
    <Layout
      title="Account"
      user={props.user}
      activeNav="account"
      flash={
        props.error
          ? { type: "error", message: props.error }
          : props.success
            ? { type: "success", message: props.success }
            : undefined
      }
    >
      <div style="max-width:600px">
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Change Password</h2>
          <form method="post" action="/admin/account/password">
            <div class="form-group">
              <label for="current_password">Current Password</label>
              <input id="current_password" name="current_password" type="password" class="form-input" required autocomplete="current-password" />
            </div>
            <div class="form-group">
              <label for="new_password">New Password</label>
              <input id="new_password" name="new_password" type="password" class="form-input" required minlength="12" autocomplete="new-password" />
              <div class="form-hint">At least 12 characters.</div>
            </div>
            <button type="submit" class="btn btn-primary">Change Password</button>
          </form>
        </div>

        <div class="card">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Two-Factor Authentication</h2>
          {props.totpEnabled ? (
            <div>
              <p style="color:#065f46; margin-bottom:1rem">
                <span class="badge badge-green">Enabled</span>
                {" "}TOTP is active on this account.
              </p>
              <form method="post" action="/admin/account/totp/disable">
                <div class="form-group">
                  <label for="disable_password">Enter password to disable</label>
                  <input id="disable_password" name="password" type="password" class="form-input" required />
                </div>
                <button type="submit" class="btn btn-danger">Disable 2FA</button>
              </form>
            </div>
          ) : (
            <div>
              <p style="color:#666; margin-bottom:1rem">
                Protect your account with a TOTP authenticator app.
              </p>
              <form method="post" action="/admin/account/totp/begin">
                <button type="submit" class="btn btn-primary">Enable 2FA</button>
              </form>
            </div>
          )}
        </div>
      </div>
    </Layout>
  );
}

// ---- TOTP Enrollment --------------------------------------------------------

interface TotpEnrollProps {
  user: string;
  secret: string;
  provisioningUri: string;
  recoveryCodes: string[];
}

export function TotpEnrollPage(props: TotpEnrollProps) {
  return (
    <Layout title="Enable Two-Factor Auth" user={props.user} activeNav="account">
      <div style="max-width:600px">
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Step 1: Scan QR Code</h2>
          <p style="color:#666; margin-bottom:1rem">
            Scan this with your authenticator app (Google Authenticator, Authy, etc.).
          </p>
          <div style="text-align:center; padding:1rem; background:#f9fafb; border-radius:4px; margin-bottom:1rem">
            <div id="qr-code" style="display:inline-block"></div>
          </div>
          <details>
            <summary style="cursor:pointer; color:#666; font-size:0.85rem">Can't scan? Enter manually</summary>
            <code style="display:block; padding:0.75rem; background:#f9fafb; border-radius:4px; margin-top:0.5rem; word-break:break-all; font-size:0.9rem">{props.secret}</code>
          </details>
        </div>

        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Step 2: Save Recovery Codes</h2>
          <p style="color:#dc2626; font-weight:500; margin-bottom:1rem">
            Save these codes somewhere safe. They will not be shown again.
          </p>
          <div class="code-grid">
            {props.recoveryCodes.map((code) => (
              <div class="code-item">{code}</div>
            ))}
          </div>
        </div>

        <div class="card">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Step 3: Verify</h2>
          <form method="post" action="/admin/account/totp/confirm">
            <input type="hidden" name="recovery_codes" value={JSON.stringify(props.recoveryCodes)} />
            <div class="form-group">
              <label for="code">Enter code from your authenticator</label>
              <input
                id="code"
                name="code"
                type="text"
                class="form-input"
                required
                maxlength="6"
                pattern="[0-9]{6}"
                autocomplete="one-time-code"
                inputmode="numeric"
                style="text-align:center; font-size:1.5rem; letter-spacing:0.3rem; max-width:250px"
              />
            </div>
            <button type="submit" class="btn btn-primary">Confirm &amp; Enable</button>
            <a href="/admin/account" class="btn btn-ghost" style="margin-left:0.5rem">Cancel</a>
          </form>
        </div>
      </div>
    </Layout>
  );
}

// ---- Simple list page -------------------------------------------------------

interface SimpleListProps {
  user: string;
  pageTitle: string;
  description: string;
  activeNav: string;
  items: Array<{ name: string; detail?: string; badge?: string }>;
}

export function SimpleListPage(props: SimpleListProps) {
  return (
    <Layout title={props.pageTitle} user={props.user} activeNav={props.activeNav}>
      <p style="color:#666; margin-bottom:1.25rem">{props.description}</p>
      <div class="table-wrap">
        <table>
          <thead>
            <tr>
              <th>Name</th>
              <th>Details</th>
            </tr>
          </thead>
          <tbody>
            {props.items.length === 0 ? (
              <tr><td colspan="2" style="text-align:center; color:#999; padding:2rem">None configured yet</td></tr>
            ) : (
              props.items.map((item) => (
                <tr>
                  <td>
                    <strong>{item.name}</strong>
                    {item.badge && (
                      <span class="badge" style={`margin-left:0.5rem; background-color:${item.badge}`}>{item.badge}</span>
                    )}
                  </td>
                  <td style="color:#666">{item.detail ?? ""}</td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Camera Edit ------------------------------------------------------------

interface CameraEditProps {
  user: string;
  camera: Camera;
  labels: Array<{ label_id: number; name: string }>;
  allLabels: Label[];
  streams: Array<{ id: number; role: string; name: string; rtsp_uri: string }>;
  error?: string;
  success?: string;
}

export function CameraEditPage(props: CameraEditProps) {
  const cam = props.camera;
  return (
    <Layout
      title={`Camera: ${cam.name}`}
      user={props.user}
      activeNav="cameras"
      flash={
        props.error ? { type: "error", message: props.error }
        : props.success ? { type: "success", message: props.success }
        : undefined
      }
    >
      <div style="max-width:700px">
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Edit Camera</h2>
          <form method="post" action={`/admin/cameras/${cam.id}`}>
            <div class="form-group">
              <label for="name">Name</label>
              <input id="name" name="name" type="text" class="form-input" value={cam.name} required maxlength="128" />
            </div>
            {cam.type === "rtsp" && (() => {
              const parts = parseRtspUrl(cam.rtsp_url ?? "");
              return (
                <div>
                  <div class="form-group">
                    <label for="rtsp_host">Host</label>
                    <input id="rtsp_host" name="rtsp_host" type="text" class="form-input" value={parts.host} />
                  </div>
                  <div style="display:grid; grid-template-columns:1fr 2fr; gap:0.75rem">
                    <div class="form-group">
                      <label for="rtsp_port">Port</label>
                      <input id="rtsp_port" name="rtsp_port" type="number" class="form-input" value={parts.port} />
                    </div>
                    <div class="form-group">
                      <label for="rtsp_path">Path</label>
                      <input id="rtsp_path" name="rtsp_path" type="text" class="form-input" value={parts.path} />
                    </div>
                  </div>
                  <div style="display:grid; grid-template-columns:1fr 1fr; gap:0.75rem">
                    <div class="form-group">
                      <label for="rtsp_username">Username</label>
                      <input id="rtsp_username" name="rtsp_username" type="text" class="form-input" value={parts.username} />
                    </div>
                    <div class="form-group">
                      <label for="rtsp_password">Password (leave blank to keep)</label>
                      <input id="rtsp_password" name="rtsp_password" type="password" class="form-input" />
                    </div>
                  </div>
                </div>
              );
            })()}
            {cam.type === "onvif" && (
              <div>
                <div class="form-group">
                  <label for="onvif_host">ONVIF Host</label>
                  <input id="onvif_host" name="onvif_host" type="text" class="form-input" value={cam.onvif_host ?? ""} />
                </div>
                <div class="form-group">
                  <label for="onvif_port">Port</label>
                  <input id="onvif_port" name="onvif_port" type="number" class="form-input" value={String(cam.onvif_port ?? 80)} />
                </div>
                <div class="form-group">
                  <label for="onvif_username">Username</label>
                  <input id="onvif_username" name="onvif_username" type="text" class="form-input" value={cam.onvif_username ?? ""} />
                </div>
                <div class="form-group">
                  <label for="onvif_password">Password (leave blank to keep)</label>
                  <input id="onvif_password" name="onvif_password" type="password" class="form-input" />
                </div>
              </div>
            )}
            <div class="form-group">
              <label>
                <input type="checkbox" name="enabled" value="1" checked={cam.enabled} />
                {" "}Enabled
              </label>
            </div>
            <button type="submit" class="btn btn-primary">Save</button>
            <a href="/admin/cameras" class="btn btn-ghost" style="margin-left:0.5rem">Back</a>
          </form>
        </div>

        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Labels</h2>
          {props.labels.length > 0 ? (
            <div style="display:flex; flex-wrap:wrap; gap:0.5rem; margin-bottom:1rem">
              {props.labels.map((l) => (
                <form method="post" action={`/admin/cameras/${cam.id}/labels/remove`} style="display:inline">
                  <input type="hidden" name="label_id" value={String(l.label_id)} />
                  <button type="submit" class="badge badge-blue" style="cursor:pointer; border:none" title="Click to remove">
                    {l.name} ×
                  </button>
                </form>
              ))}
            </div>
          ) : (
            <p style="color:#999; margin-bottom:1rem">No labels attached</p>
          )}
          <form method="post" action={`/admin/cameras/${cam.id}/labels`} style="display:flex; gap:0.5rem">
            <select name="label_id" class="form-input" style="flex:1">
              {props.allLabels
                .filter((al) => !props.labels.some((l) => l.label_id === al.id))
                .map((al) => <option value={String(al.id)}>{al.name}</option>)}
            </select>
            <button type="submit" class="btn btn-primary">Add</button>
          </form>
          <form method="post" action={`/admin/cameras/${cam.id}/labels`} style="display:flex; gap:0.5rem; margin-top:0.5rem">
            <input name="new_label" type="text" class="form-input" placeholder="Or create new label..." style="flex:1" />
            <button type="submit" class="btn btn-ghost">Create &amp; Add</button>
          </form>
        </div>

        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Streams</h2>
          {props.streams.length > 0 ? (
            <div class="table-wrap">
              <table>
                <thead><tr><th>Role</th><th>Name</th><th>URI</th></tr></thead>
                <tbody>
                  {props.streams.map((s) => (
                    <tr>
                      <td><span class="badge badge-gray">{s.role}</span></td>
                      <td>{s.name}</td>
                      <td style="font-size:0.8rem; word-break:break-all">{s.rtsp_uri}</td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          ) : (
            <p style="color:#999">No streams configured</p>
          )}
        </div>

        <form method="post" action={`/admin/cameras/${cam.id}/delete`} style="margin-top:1rem">
          <button type="submit" class="btn btn-danger" {...{"onclick": "return confirm('Delete this camera?')"}}>Delete Camera</button>
        </form>
      </div>
    </Layout>
  );
}

// ---- Kiosk Edit -------------------------------------------------------------

interface KioskEditProps {
  user: string;
  kiosk: Kiosk;
  labels: Array<{ label_id: number; name: string; role: string }>;
  allLabels: Label[];
  displays?: Display[];
  error?: string;
  success?: string;
}

export function KioskEditPage(props: KioskEditProps) {
  const k = props.kiosk;
  return (
    <Layout
      title={`Kiosk: ${k.name}`}
      user={props.user}
      activeNav="kiosks"
      flash={
        props.error ? { type: "error", message: props.error }
        : props.success ? { type: "success", message: props.success }
        : undefined
      }
    >
      <div style="max-width:700px">
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Edit Kiosk</h2>
          <form method="post" action={`/admin/kiosks/${k.id}`}>
            <div class="form-group">
              <label for="name">Name</label>
              <input id="name" name="name" type="text" class="form-input" value={k.name} required />
            </div>
            <div class="form-group">
              <label>
                <input type="checkbox" name="enabled" value="1" checked={k.enabled} />
                {" "}Enabled
              </label>
            </div>
            <button type="submit" class="btn btn-primary">Save</button>
            <a href="/admin/kiosks" class="btn btn-ghost" style="margin-left:0.5rem">Back</a>
          </form>
          <div style="margin-top:1rem; color:#666; font-size:0.85rem">
            <div>Hardware: {k.hardware_model ?? "—"}</div>
            <div>Paired: {k.paired_at ? formatTime(k.paired_at) : "—"}</div>
            <div>Last seen: {k.last_seen_at ? formatTime(k.last_seen_at) : "Never"}</div>
          </div>
        </div>

        {/* Associated displays */}
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Displays</h2>
          {props.displays && props.displays.length > 0 ? (
            <div class="table-wrap">
              <table>
                <thead><tr><th>Name</th><th>Resolution</th><th>Index</th></tr></thead>
                <tbody>
                  {props.displays.map((d) => (
                    <tr>
                      <td><a href={`/admin/displays/${d.id}`}><strong>{d.name}</strong></a></td>
                      <td>{String(d.width_px)}x{String(d.height_px)}</td>
                      <td>{String(d.index)}</td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          ) : (
            <p style="color:#999">No displays associated with this kiosk</p>
          )}
        </div>

        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Labels</h2>
          {props.labels.length > 0 ? (
            <div style="display:flex; flex-wrap:wrap; gap:0.5rem; margin-bottom:1rem">
              {props.labels.map((l) => (
                <form method="post" action={`/admin/kiosks/${k.id}/labels/remove`} style="display:inline">
                  <input type="hidden" name="label_id" value={String(l.label_id)} />
                  <button type="submit" class="badge badge-blue" style="cursor:pointer; border:none" title="Click to remove">
                    {l.name} ({l.role}) ×
                  </button>
                </form>
              ))}
            </div>
          ) : (
            <p style="color:#999; margin-bottom:1rem">No labels attached</p>
          )}
          <form method="post" action={`/admin/kiosks/${k.id}/labels`} style="display:flex; gap:0.5rem">
            <select name="label_id" class="form-input" style="flex:1">
              {props.allLabels
                .filter((al) => !props.labels.some((l) => l.label_id === al.id))
                .map((al) => <option value={String(al.id)}>{al.name}</option>)}
            </select>
            <select name="role" class="form-input" style="width:120px">
              <option value="consume">consume</option>
              <option value="operate">operate</option>
            </select>
            <button type="submit" class="btn btn-primary">Add</button>
          </form>
          <form method="post" action={`/admin/kiosks/${k.id}/labels`} style="display:flex; gap:0.5rem; margin-top:0.5rem">
            <input name="new_label" type="text" class="form-input" placeholder="Or create new label..." style="flex:1" />
            <select name="role" class="form-input" style="width:120px">
              <option value="consume">consume</option>
              <option value="operate">operate</option>
            </select>
            <button type="submit" class="btn btn-ghost">Create &amp; Add</button>
          </form>
        </div>

        <form method="post" action={`/admin/kiosks/${k.id}/delete`} style="margin-top:1rem">
          <button type="submit" class="btn btn-danger" {...{"onclick": "return confirm('Delete this kiosk?')"}}>Delete Kiosk</button>
        </form>
      </div>
    </Layout>
  );
}

// ---- Labels Management ------------------------------------------------------

interface LabelsPageProps {
  user: string;
  labels: Label[];
  error?: string;
}

export function LabelsPage(props: LabelsPageProps) {
  return (
    <Layout
      title="Labels"
      user={props.user}
      activeNav="labels"
      flash={props.error ? { type: "error", message: props.error } : undefined}
    >
      <div class="section-header">
        <h2 class="section-title">All Labels</h2>
      </div>
      <div style="max-width:500px; margin-bottom:1.5rem">
        <form method="post" action="/admin/labels/new" style="display:flex; gap:0.5rem">
          <input name="name" type="text" class="form-input" placeholder="New label name" required pattern="[a-z0-9][a-z0-9_-]*" style="flex:1" />
          <input name="color" type="color" value="#2563eb" style="width:40px; height:38px; border:1px solid #d0d0d0; border-radius:4px" />
          <button type="submit" class="btn btn-primary">Create</button>
        </form>
      </div>
      <div class="table-wrap">
        <table>
          <thead><tr><th>Name</th><th>Color</th><th>Actions</th></tr></thead>
          <tbody>
            {props.labels.length === 0 ? (
              <tr><td colspan="3" style="text-align:center; color:#999; padding:2rem">No labels</td></tr>
            ) : (
              props.labels.map((l) => (
                <tr>
                  <td><strong>{l.name}</strong></td>
                  <td>{l.color ? <span class="badge" style={`background-color:${l.color}; color:#fff`}>{l.color}</span> : "—"}</td>
                  <td>
                    <form method="post" action={`/admin/labels/${l.id}/delete`} style="display:inline">
                      <button type="submit" class="btn btn-sm btn-danger" {...{"onclick": "return confirm('Delete label?')"}}>Delete</button>
                    </form>
                  </td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Layouts ----------------------------------------------------------------

interface LayoutsPageProps {
  user: string;
  layouts: LayoutType[];
  /** layout_id → number of displays the layout is attached to */
  displayCounts: Map<number, number>;
}

export function LayoutsPage(props: LayoutsPageProps) {
  return (
    <Layout title="Layouts" user={props.user} activeNav="layouts">
      <div class="section-header">
        <h2 class="section-title">All Layouts</h2>
        <a href="/admin/layouts/new" class="btn btn-primary">New Layout</a>
      </div>
      <p style="color:#666; margin-bottom:1.25rem">
        Layouts are standalone — they define a grid of regions and bind cameras or
        other content into them. Attach a layout to one or more displays from the
        display's edit page.
      </p>
      <div class="table-wrap">
        <table>
          <thead>
            <tr>
              <th>Name</th>
              <th>Displays</th>
              <th>Priority</th>
            </tr>
          </thead>
          <tbody>
            {props.layouts.length === 0 ? (
              <tr><td colspan="3" style="text-align:center; color:#999; padding:2rem">No layouts created yet</td></tr>
            ) : (
              props.layouts.map((l) => {
                const count = props.displayCounts.get(l.id) ?? 0;
                return (
                  <tr>
                    <td><a href={`/admin/layouts/${l.id}`}><strong>{l.name}</strong></a></td>
                    <td>
                      {count === 0
                        ? <span style="color:#999">unattached</span>
                        : <span>{String(count)} display{count !== 1 ? "s" : ""}</span>}
                    </td>
                    <td>
                      {l.priority === "hot"
                        ? <span class="badge badge-red">hot</span>
                        : l.priority === "cold"
                          ? <span class="badge badge-blue">cold</span>
                          : <span class="badge badge-gray">normal</span>
                      }
                    </td>
                  </tr>
                );
              })
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Layout New -------------------------------------------------------------

interface LayoutNewPageProps {
  user: string;
  error?: string;
  values?: Record<string, string>;
}

export function LayoutNewPage(props: LayoutNewPageProps) {
  const v = props.values ?? {};
  return (
    <Layout
      title="New Layout"
      user={props.user}
      activeNav="layouts"
      flash={props.error ? { type: "error", message: props.error } : undefined}
    >
      <div style="max-width:600px">
        <p style="color:#666; margin-bottom:1.25rem">
          Create an empty layout. You'll add cells visually on the next page,
          then attach the layout to one or more displays.
        </p>
        <div class="card">
          <form method="post" action="/admin/layouts/new">
            <div class="form-group">
              <label for="name">Layout Name</label>
              <input id="name" name="name" type="text" class="form-input" required maxlength="128" value={v["name"] ?? ""} />
            </div>

            <div class="form-group">
              <label for="description">Description (optional)</label>
              <input id="description" name="description" type="text" class="form-input" value={v["description"] ?? ""} />
            </div>

            <div class="form-group">
              <label for="priority">Priority</label>
              <select id="priority" name="priority" class="form-input">
                <option value="normal" selected={v["priority"] !== "hot" && v["priority"] !== "cold"}>Normal</option>
                <option value="hot" selected={v["priority"] === "hot"}>Hot (always warm)</option>
                <option value="cold" selected={v["priority"] === "cold"}>Cold</option>
              </select>
            </div>

            <div class="form-group">
              <label>
                <input type="checkbox" name="resets_idle_timer" value="1" checked={v["resets_idle_timer"] !== "0"} />
                {" "}Resets idle timer when activated
              </label>
            </div>

            <button type="submit" class="btn btn-primary">Create Layout</button>
            <a href="/admin/layouts" class="btn btn-ghost" style="margin-left:0.5rem">Cancel</a>
          </form>
        </div>
      </div>
    </Layout>
  );
}

// ---- Layout Edit ------------------------------------------------------------

interface LayoutEditPageProps {
  user: string;
  layout: LayoutType;
  /** Displays this layout is attached to (informational, read-only). */
  displays: Display[];
  cells: LayoutCell[];
  cameras: Camera[];
  /** If set, render the content-assignment form for this cell beneath the grid. */
  selectedCellId?: number | null;
  error?: string;
  success?: string;
}

const LAYOUT_BUILDER_CSS = `
.layout-builder { display: grid; gap: 4px; aspect-ratio: 16/9; max-width: 100%; background: #ddd; padding: 4px; border-radius: 4px; }
.layout-cell { background: #fff; border: 2px solid #2563eb; border-radius: 4px; display: flex; align-items: center; justify-content: center; cursor: pointer; position: relative; min-height: 60px; padding: 4px; text-align: center; font-size: 0.85rem; font-weight: 600; color: #1e40af; overflow: hidden; }
.layout-cell:hover { background: #f0f7ff; }
.layout-cell.selected { background: #dbeafe; border-color: #1e40af; box-shadow: 0 0 0 2px #1e40af33; }
.layout-cell-empty-text { color: #999; font-size: 0.75rem; font-weight: 400; }
.layout-cell-add { position: absolute; background: #2563eb; color: #fff; border: none; width: 24px; height: 24px; border-radius: 50%; cursor: pointer; font-size: 16px; line-height: 1; opacity: 0; transition: opacity 0.2s; padding: 0; z-index: 2; }
.layout-cell:hover .layout-cell-add { opacity: 1; }
.layout-cell-add:hover { background: #1e40af; opacity: 1; }
.layout-cell-add-top { top: -12px; left: 50%; transform: translateX(-50%); }
.layout-cell-add-right { right: -12px; top: 50%; transform: translateY(-50%); }
.layout-cell-add-bottom { bottom: -12px; left: 50%; transform: translateX(-50%); }
.layout-cell-add-left { left: -12px; top: 50%; transform: translateY(-50%); }
.layout-cell-delete { position: absolute; top: 4px; right: 4px; background: rgba(220, 38, 38, 0.9); color: #fff; border: none; width: 20px; height: 20px; border-radius: 50%; cursor: pointer; font-size: 12px; line-height: 1; padding: 0; opacity: 0; transition: opacity 0.2s; z-index: 2; }
.layout-cell:hover .layout-cell-delete { opacity: 1; }
.layout-empty { display: flex; align-items: center; justify-content: center; aspect-ratio: 16/9; background: #f3f4f6; border-radius: 4px; }
.layout-empty-add { background: #2563eb; color: #fff; border: none; width: 80px; height: 80px; border-radius: 50%; cursor: pointer; font-size: 36px; line-height: 1; padding: 0; }
.layout-empty-add:hover { background: #1e40af; }
`;

export function LayoutEditPage(props: LayoutEditPageProps) {
  const l = props.layout;
  const cells = props.cells;
  const cameraById = new Map<number, Camera>();
  for (const cam of props.cameras) {
    cameraById.set(cam.id, cam);
  }

  // Compute grid dimensions from cells.
  let gridCols = 1;
  let gridRows = 1;
  for (const c of cells) {
    const right = c.col + c.col_span;
    const bottom = c.row + c.row_span;
    if (right > gridCols) gridCols = right;
    if (bottom > gridRows) gridRows = bottom;
  }

  const selectedCell = props.selectedCellId
    ? cells.find((c) => c.id === props.selectedCellId) ?? null
    : null;

  function cellLabel(c: LayoutCell): string {
    if (c.content_type === "camera" && c.camera_id) {
      return cameraById.get(c.camera_id)?.name ?? `cam #${String(c.camera_id)}`;
    }
    if (c.content_type === "web") return c.web_url ? `Web: ${c.web_url}` : "Web";
    if (c.content_type === "html") return c.html_content ? "HTML" : "HTML (empty)";
    return "Empty";
  }

  return (
    <Layout
      title={`Layout: ${l.name}`}
      user={props.user}
      activeNav="layouts"
      flash={
        props.error ? { type: "error", message: props.error }
        : props.success ? { type: "success", message: props.success }
        : undefined
      }
    >
      <style>{LAYOUT_BUILDER_CSS}</style>
      <div style="max-width:900px">
        {/* Settings */}
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Settings</h2>
          <form method="post" action={`/admin/layouts/${l.id}`}>
            <div class="form-group">
              <label for="name">Name</label>
              <input id="name" name="name" type="text" class="form-input" value={l.name} required maxlength="128" />
            </div>
            <div class="form-group">
              <label for="description">Description</label>
              <input id="description" name="description" type="text" class="form-input" value={l.description ?? ""} />
            </div>
            <div class="form-group">
              <label for="priority">Priority</label>
              <select id="priority" name="priority" class="form-input">
                <option value="normal" selected={l.priority === "normal"}>Normal</option>
                <option value="hot" selected={l.priority === "hot"}>Hot</option>
                <option value="cold" selected={l.priority === "cold"}>Cold</option>
              </select>
            </div>
            <div class="form-group">
              <label for="cooling_timeout_seconds">Cooling Timeout (seconds)</label>
              <input id="cooling_timeout_seconds" name="cooling_timeout_seconds" type="number" class="form-input" value={l.cooling_timeout_seconds != null ? String(l.cooling_timeout_seconds) : ""} min="0" placeholder="None" />
              <div class="form-hint">How long streams stay warm after leaving this layout. Leave blank for no timeout.</div>
            </div>
            <div class="form-group">
              <label>
                <input type="checkbox" name="resets_idle_timer" value="1" checked={l.resets_idle_timer} />
                {" "}Resets idle timer
              </label>
            </div>
            <button type="submit" class="btn btn-primary">Save</button>
            <a href="/admin/layouts" class="btn btn-ghost" style="margin-left:0.5rem">Back</a>
          </form>
          <div style="margin-top:1rem; color:#666; font-size:0.85rem">
            <div>Grid: {String(gridCols)}x{String(gridRows)}, {String(cells.length)} cell{cells.length !== 1 ? "s" : ""}</div>
            <div>
              {props.displays.length === 0
                ? <span>Attached to no displays — attach from a display's edit page.</span>
                : (
                  <span>
                    Attached to:{" "}
                    {props.displays.map((d, i) => (
                      <span>
                        {i > 0 ? ", " : ""}
                        <a href={`/admin/displays/${d.id}`}>{d.name}</a>
                      </span>
                    ))}
                  </span>
                )}
            </div>
          </div>
        </div>

        {/* Visual builder */}
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Layout Builder</h2>
          <p style="color:#666; font-size:0.85rem; margin-bottom:1rem">
            Hover a cell to see <strong>+</strong> buttons (add a neighbour) and the <strong>×</strong> delete button.
            Click a cell to assign content.
          </p>
          {cells.length === 0 ? (
            <div class="layout-empty">
              <form method="post" action={`/admin/layouts/${l.id}/cells`} style="margin:0">
                <input type="hidden" name="row" value="0" />
                <input type="hidden" name="col" value="0" />
                <button type="submit" class="layout-empty-add" title="Add first cell">+</button>
              </form>
            </div>
          ) : (
            <div class="layout-builder" style={`grid-template-columns:repeat(${String(gridCols)}, 1fr); grid-template-rows:repeat(${String(gridRows)}, 1fr)`}>
              {cells.map((c) => {
                const isSelected = selectedCell?.id === c.id;
                const cellStyle = `grid-column:${String(c.col + 1)} / span ${String(c.col_span)}; grid-row:${String(c.row + 1)} / span ${String(c.row_span)};`;
                const isEmpty = c.content_type === "html" && !c.html_content
                  || c.content_type === "camera" && !c.camera_id
                  || c.content_type === "web" && !c.web_url;
                return (
                  <a
                    href={`/admin/layouts/${l.id}?cell=${String(c.id)}`}
                    class={`layout-cell${isSelected ? " selected" : ""}`}
                    style={cellStyle}
                  >
                    {isEmpty
                      ? <span class="layout-cell-empty-text">{cellLabel(c)}</span>
                      : <span>{cellLabel(c)}</span>
                    }
                    {/* + buttons (4 sides) */}
                    {(["top", "right", "bottom", "left"] as const).map((dir) => {
                      const directionParam = dir === "top" ? "above" : dir;
                      return (
                        <form
                          method="post"
                          action={`/admin/layouts/${l.id}/cells`}
                          {...{"onclick": "event.stopPropagation()"}}
                          style="display:contents"
                        >
                          <input type="hidden" name="after_cell_id" value={String(c.id)} />
                          <input type="hidden" name="direction" value={directionParam} />
                          <button
                            type="submit"
                            class={`layout-cell-add layout-cell-add-${dir}`}
                            title={`Add cell ${dir}`}
                          >+</button>
                        </form>
                      );
                    })}
                    {/* delete button */}
                    <form
                      method="post"
                      action={`/admin/layouts/${l.id}/cells/${String(c.id)}/delete`}
                      {...{"onclick": "event.stopPropagation()"}}
                      style="display:contents"
                    >
                      <button
                        type="submit"
                        class="layout-cell-delete"
                        title="Delete cell"
                        {...{"onclick": "event.stopPropagation(); return confirm('Delete this cell?')"}}
                      >×</button>
                    </form>
                  </a>
                );
              })}
            </div>
          )}
        </div>

        {/* Selected-cell content form */}
        {selectedCell && (
          <div class="card" style="margin-bottom:1.5rem">
            <h2 style="margin:0 0 1rem; font-size:1.1rem">
              Cell at row {String(selectedCell.row)}, col {String(selectedCell.col)}
              {" "}<span style="font-weight:400; color:#666; font-size:0.85rem">({String(selectedCell.row_span)}x{String(selectedCell.col_span)})</span>
            </h2>
            <form method="post" action={`/admin/layouts/${l.id}/cells/${String(selectedCell.id)}`}>
              <div class="form-group">
                <label>Content Type</label>
                <div class="radio-group">
                  <label>
                    <input type="radio" name="content_type" value="camera" checked={selectedCell.content_type === "camera"} />
                    {" "}Camera
                  </label>
                  <label>
                    <input type="radio" name="content_type" value="web" checked={selectedCell.content_type === "web"} />
                    {" "}Web URL
                  </label>
                  <label>
                    <input type="radio" name="content_type" value="html" checked={selectedCell.content_type === "html"} />
                    {" "}HTML
                  </label>
                </div>
              </div>

              <div id="cell-camera-fields" style={selectedCell.content_type === "camera" ? "" : "display:none"}>
                <div class="form-group">
                  <label for="camera_id">Camera</label>
                  <select id="camera_id" name="camera_id" class="form-input">
                    <option value="">-- Select Camera --</option>
                    {props.cameras.map((cam) => (
                      <option value={String(cam.id)} selected={selectedCell.camera_id === cam.id}>{cam.name}</option>
                    ))}
                  </select>
                </div>
                <div class="form-group">
                  <label for="stream_selector">Stream</label>
                  <select id="stream_selector" name="stream_selector" class="form-input">
                    <option value="auto" selected={selectedCell.stream_selector === "auto"}>Auto</option>
                    <option value="main" selected={selectedCell.stream_selector === "main"}>Main</option>
                    <option value="sub" selected={selectedCell.stream_selector === "sub"}>Sub</option>
                  </select>
                </div>
              </div>

              <div id="cell-web-fields" style={selectedCell.content_type === "web" ? "" : "display:none"}>
                <div class="form-group">
                  <label for="web_url">URL</label>
                  <input id="web_url" name="web_url" type="url" class="form-input" placeholder="https://example.com" value={selectedCell.web_url ?? ""} />
                </div>
              </div>

              <div id="cell-html-fields" style={selectedCell.content_type === "html" ? "" : "display:none"}>
                <div class="form-group">
                  <label for="html_content">HTML Content</label>
                  <textarea id="html_content" name="html_content" class="form-input" rows="4" placeholder="<div>...</div>">{selectedCell.html_content ?? ""}</textarea>
                </div>
              </div>

              <button type="submit" class="btn btn-primary">Save Cell</button>
              <a href={`/admin/layouts/${l.id}`} class="btn btn-ghost" style="margin-left:0.5rem">Cancel</a>
              <form method="post" action={`/admin/layouts/${l.id}/cells/${String(selectedCell.id)}/delete`} style="display:inline; margin-left:0.5rem">
                <button type="submit" class="btn btn-danger" {...{"onclick": "return confirm('Delete this cell?')"}}>Delete Cell</button>
              </form>
            </form>
            <script>{js(
              `(function(){` +
              `var rs=document.querySelectorAll('input[name="content_type"]');` +
              `var cf=document.getElementById("cell-camera-fields");` +
              `var wf=document.getElementById("cell-web-fields");` +
              `var hf=document.getElementById("cell-html-fields");` +
              `function t(){var el=document.querySelector('input[name="content_type"]:checked');` +
              `var v=el?el.value:"html";` +
              `if(cf)cf.style.display=v==="camera"?"block":"none";` +
              `if(wf)wf.style.display=v==="web"?"block":"none";` +
              `if(hf)hf.style.display=v==="html"?"block":"none";}` +
              `rs.forEach(function(r){r.addEventListener("change",t)});t();})()`
            )}</script>
          </div>
        )}

        <form method="post" action={`/admin/layouts/${l.id}/delete`} style="margin-top:1rem">
          <button type="submit" class="btn btn-danger" {...{"onclick": "return confirm('Delete this layout and all its cells?')"}}>Delete Layout</button>
        </form>
      </div>
    </Layout>
  );
}

// ---- Display Edit -----------------------------------------------------------

interface DisplayEditPageProps {
  user: string;
  display: Display;
  /** Layouts currently attached to this display. */
  attachedLayouts: LayoutType[];
  /** All other layouts that could be attached. */
  availableLayouts: LayoutType[];
  kioskName?: string | null;
  error?: string;
  success?: string;
}

export function DisplayEditPage(props: DisplayEditPageProps) {
  const d = props.display;
  return (
    <Layout
      title={`Display: ${d.name}`}
      user={props.user}
      activeNav="displays"
      flash={
        props.error ? { type: "error", message: props.error }
        : props.success ? { type: "success", message: props.success }
        : undefined
      }
    >
      <div style="max-width:600px">
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Display Info</h2>
          <div style="color:#666; font-size:0.85rem; margin-bottom:1rem">
            <div>Index: {String(d.index)}</div>
            <div>Resolution: {String(d.width_px)}x{String(d.height_px)} <span style="color:#999">(reported by kiosk)</span></div>
            {d.kiosk_id && (
              <div>Kiosk: <a href={`/admin/kiosks/${d.kiosk_id}`}>{props.kioskName ?? `#${String(d.kiosk_id)}`}</a></div>
            )}
          </div>
          <form method="post" action={`/admin/displays/${d.id}`}>
            <div class="form-group">
              <label for="name">Name</label>
              <input id="name" name="name" type="text" class="form-input" value={d.name} required />
            </div>

            <div class="form-group">
              <label for="default_layout_id">Default Layout</label>
              <select id="default_layout_id" name="default_layout_id" class="form-input">
                <option value="">-- None --</option>
                {props.attachedLayouts.map((l) => (
                  <option value={String(l.id)} selected={d.default_layout_id === l.id}>
                    {l.name}
                  </option>
                ))}
              </select>
              <div class="form-hint">
                Layout shown on idle revert. Only layouts attached below are eligible.
              </div>
            </div>

            <div class="form-group">
              <label for="idle_timeout_seconds">Idle Timeout (seconds)</label>
              <input id="idle_timeout_seconds" name="idle_timeout_seconds" type="number" class="form-input" value={String(d.idle_timeout_seconds)} min="0" />
              <div class="form-hint">Revert to default layout after this many seconds of inactivity. 0 to disable.</div>
            </div>

            <div class="form-group">
              <label for="sleep_timeout_seconds">Sleep Timeout (seconds)</label>
              <input id="sleep_timeout_seconds" name="sleep_timeout_seconds" type="number" class="form-input" value={String(d.sleep_timeout_seconds)} min="0" />
              <div class="form-hint">Send CEC standby after this many seconds of inactivity. 0 to disable.</div>
            </div>

            <button type="submit" class="btn btn-primary">Save</button>
            <a href="/admin/displays" class="btn btn-ghost" style="margin-left:0.5rem">Back</a>
          </form>
        </div>

        {/* Layout attachments */}
        <div class="card" style="margin-bottom:1.5rem">
          <h2 style="margin:0 0 1rem; font-size:1.1rem">Available Layouts</h2>
          <p style="color:#666; font-size:0.85rem; margin-bottom:1rem">
            Pick which layouts this display can show. The kiosk receives only
            attached layouts in its bundle.
          </p>

          {props.attachedLayouts.length === 0 ? (
            <p style="color:#999; margin-bottom:1rem">No layouts attached yet.</p>
          ) : (
            <div class="table-wrap" style="margin-bottom:1rem">
              <table>
                <thead>
                  <tr>
                    <th>Name</th>
                    <th>Priority</th>
                    <th>Default</th>
                    <th></th>
                  </tr>
                </thead>
                <tbody>
                  {props.attachedLayouts.map((l) => (
                    <tr>
                      <td><a href={`/admin/layouts/${l.id}`}><strong>{l.name}</strong></a></td>
                      <td><span class={`badge ${l.priority === "hot" ? "badge-red" : l.priority === "cold" ? "badge-blue" : "badge-gray"}`}>{l.priority}</span></td>
                      <td>{d.default_layout_id === l.id ? <span class="badge badge-green">Yes</span> : ""}</td>
                      <td>
                        <form method="post" action={`/admin/displays/${d.id}/layouts/${l.id}/remove`} style="display:inline">
                          <button type="submit" class="btn btn-sm btn-danger" {...{"onclick": "return confirm('Detach this layout from the display?')"}}>Detach</button>
                        </form>
                      </td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          )}

          {props.availableLayouts.length > 0 ? (
            <form method="post" action={`/admin/displays/${d.id}/layouts`} style="display:flex; gap:0.5rem">
              <select name="layout_id" class="form-input" style="flex:1" required>
                <option value="">-- Pick a layout to attach --</option>
                {props.availableLayouts.map((l) => (
                  <option value={String(l.id)}>{l.name}</option>
                ))}
              </select>
              <button type="submit" class="btn btn-primary">Attach</button>
            </form>
          ) : (
            <p style="color:#999; font-size:0.85rem; margin:0">
              {props.attachedLayouts.length === 0
                ? <span>No layouts exist yet. <a href="/admin/layouts/new">Create one</a>.</span>
                : "All existing layouts are already attached."}
            </p>
          )}
        </div>
      </div>
    </Layout>
  );
}

// ---- Displays List (with clickable links) -----------------------------------

interface DisplaysPageProps {
  user: string;
  displays: Display[];
}

export function DisplaysPage(props: DisplaysPageProps) {
  return (
    <Layout title="Displays" user={props.user} activeNav="displays">
      <p style="color:#666; margin-bottom:1.25rem">Physical HDMI displays. Created automatically when kiosks are paired.</p>
      <div class="table-wrap">
        <table>
          <thead>
            <tr>
              <th>Name</th>
              <th>Details</th>
            </tr>
          </thead>
          <tbody>
            {props.displays.length === 0 ? (
              <tr><td colspan="2" style="text-align:center; color:#999; padding:2rem">None configured yet</td></tr>
            ) : (
              props.displays.map((d) => (
                <tr>
                  <td><a href={`/admin/displays/${d.id}`}><strong>{d.name}</strong></a></td>
                  <td style="color:#666">{String(d.width_px)}x{String(d.height_px)} — index {String(d.index)}</td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </Layout>
  );
}

// ---- Helpers ----------------------------------------------------------------

function parseRtspUrl(url: string): { host: string; port: string; path: string; username: string; password: string } {
  const m = url.match(/^rtsp:\/\/(?:([^:@]+)(?::([^@]*))?@)?([^:/]+)(?::(\d+))?(\/.*)?$/);
  if (!m) return { host: "", port: "554", path: "", username: "", password: "" };
  return {
    username: decodeURIComponent(m[1] ?? ""),
    password: decodeURIComponent(m[2] ?? ""),
    host: m[3] ?? "",
    port: m[4] ?? "554",
    path: m[5] ?? "",
  };
}

function formatTime(iso: string): string {
  try {
    const d = new Date(iso);
    return d.toLocaleString("en-US", {
      month: "short",
      day: "numeric",
      hour: "2-digit",
      minute: "2-digit",
    });
  } catch {
    return iso;
  }
}