{{-- resources/views/emails/appointments/scheduled_for_client.blade.php --}}

@php
  /** Accept either $appt or $appointment */
  /** @var \App\Models\Appointment|null $appt */
  $appt = $appt ?? ($appointment ?? null);

  // --- Resolve a friendly greeting name robustly ---
  $resolveFirst = function ($appt) {
      try {
          // Prefer a loaded relation
          $client = null;
          if ($appt?->relationLoaded('client')) {
              $client = $appt->client;
          } elseif (method_exists($appt, 'client')) {
              $client = $appt->client()->first();
          }

          // If still unknown, try by client_id (User first, then Client)
          if (!$client && isset($appt->client_id)) {
              if (class_exists(\App\Models\User::class)) {
                  $client = \App\Models\User::find($appt->client_id) ?? $client;
              }
              if (!$client && class_exists(\App\Models\Client::class)) {
                  $client = \App\Models\Client::find($appt->client_id);
              }
          }

          if ($client) {
              $fn = $client->first_name ?? null;
              if (is_string($fn) && trim($fn) !== '') {
                  return trim($fn);
              }

              $nm = $client->name ?? null;
              if (is_string($nm) && trim($nm) !== '') {
                  return explode(' ', trim($nm), 2)[0];
              }
          }
      } catch (\Throwable $e) {
          // swallow: email should never fatal on greeting name
      }
      return null;
  };

  // Friendly greeting name (explicit var -> derived -> fallback)
  $firstName = $firstName
      ?? $clientFirstName
      ?? $resolveFirst($appt)
      ?? 'there';

  // Safely render description:
  // 1) escape HTML,
  // 2) auto-link URLs,
  // 3) preserve line breaks
  if (!function_exists('appt_email_autolink')) {
      function appt_email_autolink(string $text): string {
          // Make URLs clickable (http/https)
          $pattern = '~(https?://[^\s<]+)~i';
          return preg_replace($pattern, '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
      }
  }
  $rawDesc  = trim((string) ($appt->description ?? ''));
  $descHtml = $rawDesc !== '' ? nl2br(appt_email_autolink(e($rawDesc))) : '';

  // Choose start/end fields (new or legacy)
  $start = $appt?->scheduled_start ?? $appt?->starts_at ?? null;
  $end   = $appt?->scheduled_end   ?? $appt?->ends_at   ?? null;

  // Formatters that accept Carbon or string
  $fmt = function ($v) {
      if ($v instanceof \Illuminate\Support\Carbon) return $v->format('M d, Y g:i A');
      return \Illuminate\Support\Carbon::parse($v)->format('M d, Y g:i A');
  };
  $fmtTime = function ($v) {
      if ($v instanceof \Illuminate\Support\Carbon) return $v->format('g:i A');
      return \Illuminate\Support\Carbon::parse($v)->format('g:i A');
  };
@endphp

<p>Hello {{ $firstName }}!</p>
<p>Your agent has scheduled an appointment:</p>

<ul>
  <li><strong>Title:</strong> {{ $appt->title ?? ($title ?? 'Appointment') }}</li>
  <li><strong>When:</strong>
    @if($start)
      {{ $fmt($start) }}
      @if($end)
        – {{ $fmtTime($end) }}
      @endif
    @else
      TBD
    @endif
  </li>
  <li><strong>Location:</strong> {{ $appt->location ?? 'TBD' }}</li>
</ul>

{{-- Optional details block (Zoom link, agenda, notes, etc.) --}}
@if($descHtml !== '')
  <h4 style="margin:16px 0 8px;">Details</h4>
  <div style="white-space:normal; line-height:1.5;">
    {!! $descHtml !!}
  </div>
@endif

@if($appt && $appt->id)
  <p style="margin-top:20px;">
    <a href="{{ route('client.appointments.confirm', ['appointment' => $appt->id]) }}"
       style="background:#198754;color:#fff;padding:10px 14px;border-radius:4px;text-decoration:none;display:inline-block;">
       Confirm Appointment
    </a>
  </p>

  <p>If the button doesn’t work, copy and paste this link into your browser:</p>
  <p>{{ route('client.appointments.confirm', ['appointment' => $appt->id]) }}</p>
@endif