// CodeB meet -- Angular button + iframe
// Docs: https://www.aloaha.com/meet-embed-cookbook.html
// European Digital Identity Wallet compatible.

import { Component, Input } from "@angular/core";
import { DomSanitizer, SafeResourceUrl } from "@angular/platform-browser";

@Component({
  selector: "codeb-meet-button",
  template: `
    <a [href]="url" target="_blank" rel="noopener"
       style="display:inline-block;background:#f5a524;color:#0a0d12;
              padding:.7rem 1.2rem;border-radius:8px;font-weight:600;
              text-decoration:none">{{ label }}</a>
  `
})
export class CodeBMeetButtonComponent {
  @Input() tenantOrigin = "https://phone.your-tenant.example";
  @Input() room?: string;
  @Input() dial?: string;
  @Input() trunk?: string;
  @Input() relay = false;
  @Input() label = "Meet us now (video call)";

  get url(): string {
    const room = (this.room || randomRoom()).toLowerCase().replace(/[^a-z0-9\-_]/g, "-");
    let u = this.tenantOrigin.replace(/\/+$/, "") + "/room.html?room=" + encodeURIComponent(room);
    if (this.dial)  u += "&dial="  + encodeURIComponent(this.dial);
    if (this.trunk) u += "&trunk=" + encodeURIComponent(this.trunk);
    if (this.relay) u += "&relay=1";
    return u;
  }
}

@Component({
  selector: "codeb-meet-iframe",
  template: `
    <iframe [src]="safeSrc" title="CodeB meet"
       allow="microphone; camera; autoplay; clipboard-write; display-capture"
       [width]="width" [height]="height"
       style="border:0;max-width:100%"></iframe>
  `
})
export class CodeBMeetIframeComponent {
  @Input() tenantOrigin = "https://phone.your-tenant.example";
  @Input() room  = "sales-demo";
  @Input() width  = 1180;
  @Input() height = 720;

  safeSrc: SafeResourceUrl;

  constructor(private s: DomSanitizer) {
    this.safeSrc = this.s.bypassSecurityTrustResourceUrl(
      `${this.tenantOrigin}/room.html?room=${encodeURIComponent(this.room)}`
    );
  }
}

function randomRoom(): string {
  const c = "abcdefghijklmnopqrstuvwxyz23456789";
  let s = ""; for (let i = 0; i < 8; i++) s += c.charAt(Math.floor(Math.random() * c.length));
  return s;
}