import { DeesElement, customElement, html, css, cssManager, state, type TemplateResult } from '../plugins.js';
import { type IStatsTile } from '@design.estate/dees-catalog';
import { appState, type IAppState } from '../state/appstate.js';
import { viewHostCss } from './shared/index.js';

@customElement('sipproxy-view-overview')
export class SipproxyViewOverview extends DeesElement {
  @state() accessor appData: IAppState = appState.getState();

  public static styles = [
    cssManager.defaultStyles,
    viewHostCss,
    css`
      :host {
        display: block;
        padding: 24px;
      }

      .section-heading {
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: #64748b;
        margin: 32px 0 12px;
      }

      .section-heading:first-of-type {
        margin-top: 24px;
      }
    `,
  ];

  connectedCallback() {
    super.connectedCallback();
    this.rxSubscriptions.push({
      unsubscribe: appState.subscribe((s) => {
        this.appData = s;
      }),
    } as any);
  }

  private fmtUptime(sec: number): string {
    const d = Math.floor(sec / 86400);
    const h = Math.floor((sec % 86400) / 3600);
    const m = Math.floor((sec % 3600) / 60);
    const s = sec % 60;
    if (d > 0) return `${d}d ${h}h ${m}m`;
    return `${h}h ${String(m).padStart(2, '0')}m ${String(s).padStart(2, '0')}s`;
  }

  public render(): TemplateResult {
    const { appData } = this;
    const activeCalls = appData.calls?.filter((c) => c.state !== 'terminated') || [];
    const activeCount = activeCalls.length;
    const registeredProviders = appData.providers?.filter((p) => p.registered).length || 0;
    const connectedDevices = appData.devices?.filter((d) => d.connected).length || 0;
    const inboundCalls = activeCalls.filter((c) => c.direction === 'inbound').length;
    const outboundCalls = activeCalls.filter((c) => c.direction === 'outbound').length;
    const webrtcSessions = activeCalls.reduce(
      (sum, c) => sum + c.legs.filter((l) => l.type === 'webrtc').length,
      0,
    );
    const totalRtpPackets = activeCalls.reduce(
      (sum, c) => sum + c.legs.reduce((lsum, l) => lsum + l.pktSent + l.pktReceived, 0),
      0,
    );

    const tiles: IStatsTile[] = [
      {
        id: 'active-calls',
        title: 'Active Calls',
        value: activeCount,
        type: 'number',
        icon: 'lucide:phone',
        color: 'hsl(142.1 76.2% 36.3%)',
        description: activeCount === 1 ? '1 call in progress' : `${activeCount} calls in progress`,
      },
      {
        id: 'providers',
        title: 'Registered Providers',
        value: registeredProviders,
        type: 'number',
        icon: 'lucide:server',
        color: 'hsl(217.2 91.2% 59.8%)',
        description: `${appData.providers?.length || 0} configured`,
      },
      {
        id: 'devices',
        title: 'Connected Devices',
        value: connectedDevices,
        type: 'number',
        icon: 'lucide:wifi',
        color: 'hsl(270 70% 60%)',
        description: `${appData.devices?.length || 0} total`,
      },
      {
        id: 'uptime',
        title: 'Uptime',
        value: this.fmtUptime(appData.uptime),
        type: 'text',
        icon: 'lucide:clock',
        description: 'Since last restart',
      },
      {
        id: 'inbound',
        title: 'Inbound Calls',
        value: inboundCalls,
        type: 'number',
        icon: 'lucide:phone-incoming',
        description: 'Currently active',
      },
      {
        id: 'outbound',
        title: 'Outbound Calls',
        value: outboundCalls,
        type: 'number',
        icon: 'lucide:phone-outgoing',
        description: 'Currently active',
      },
      {
        id: 'webrtc',
        title: 'WebRTC Sessions',
        value: webrtcSessions,
        type: 'number',
        icon: 'lucide:globe',
        color: 'hsl(166 72% 40%)',
        description: 'Browser connections',
      },
      {
        id: 'rtp-packets',
        title: 'Total RTP Packets',
        value: totalRtpPackets,
        type: 'number',
        icon: 'lucide:radio',
        description: 'Sent + received across legs',
      },
    ];

    const allDevices = appData.devices || [];
    const onlineCount = allDevices.filter((d) => d.connected).length;

    return html`
      <dees-statsgrid
        .tiles=${tiles}
        .minTileWidth=${220}
        .gap=${16}
      ></dees-statsgrid>

      <div class="section-heading">Devices</div>
      <dees-table
        heading1="Devices"
        heading2="${onlineCount} of ${allDevices.length} online"
        dataName="devices"
        .data=${allDevices}
        .rowKey=${'id'}
        .searchable=${false}
        .columns=${[
          {
            key: 'connected',
            header: 'Status',
            renderer: (val: boolean) => {
              const on = val === true;
              return html`
                <span style="display:inline-flex;align-items:center;gap:6px">
                  <span style="display:inline-block;width:8px;height:8px;border-radius:50%;${on ? 'background:#4ade80;box-shadow:0 0 6px #4ade80' : 'background:#f87171;box-shadow:0 0 6px #f87171'}"></span>
                  <span style="font-size:.7rem;font-weight:600;text-transform:uppercase;color:${on ? '#4ade80' : '#f87171'}">${on ? 'Online' : 'Offline'}</span>
                </span>
              `;
            },
          },
          {
            key: 'displayName',
            header: 'Device',
            sortable: true,
          },
          {
            key: 'type',
            header: 'Type',
            value: (row: any) => (row.isBrowser ? 'Browser' : 'SIP Device'),
            renderer: (val: string, row: any) => {
              const isBrowser = row.isBrowser;
              const bg = isBrowser ? '#065f46' : '#1e3a5f';
              const fg = isBrowser ? '#34d399' : '#38bdf8';
              return html`<span style="display:inline-block;font-size:.6rem;padding:2px 6px;border-radius:3px;font-weight:600;text-transform:uppercase;background:${bg};color:${fg}">${val}</span>`;
            },
          },
          {
            key: 'contact',
            header: 'Contact',
            renderer: (_val: any, row: any) => {
              const c = row.contact;
              const text = c ? (c.port ? `${c.address}:${c.port}` : c.address) : '--';
              return html`<span style="font-family:'JetBrains Mono',monospace;font-size:.75rem">${text}</span>`;
            },
          },
          {
            key: 'aor',
            header: 'AOR',
            renderer: (val: any) =>
              html`<span style="font-family:'JetBrains Mono',monospace;font-size:.75rem">${val || '--'}</span>`,
          },
        ]}
      ></dees-table>
    `;
  }
}