@extends('layouts.app')

@section('title', 'Notificaciones — Fermenty')

@push('head')
<style>
    .notif-collapse-icon { display:inline-block; transition:transform .15s ease; font-size:.8rem; color:var(--text-muted,#7a7a7a); }
    .notif-batch-header[aria-expanded="true"] .notif-collapse-icon { transform:rotate(180deg); }
</style>
@endpush

@section('content')

<div class="d-flex justify-content-between align-items-start mb-4 flex-wrap gap-2">
    <div>
        <div class="page-title">Notificaciones</div>
        <p class="page-subtitle mb-0">Recordatorios y alertas de tus fermentos</p>
    </div>
    @php $unreadCount = $notifications->flatten()->where('read_at', null)->count(); @endphp
    @if($unreadCount > 0)
        <form method="POST" action="{{ route('notificaciones.read-all') }}">
            @csrf
            <button type="submit" class="btn btn-fermenty-outline btn-sm">
                Marcar todas como leídas (<span class="numeric">{{ $unreadCount }}</span>)
            </button>
        </form>
    @endif
</div>

@if($notifications->isEmpty())
    <div class="fermenty-card">
        <div class="fermenty-empty">
            <div class="empty-icon">🔔</div>
            <div class="empty-title">Sin notificaciones</div>
            <div class="empty-text">Cuando tengas lotes activos recibirás recordatorios aquí</div>
            <a href="{{ route('batches.create') }}" class="btn btn-fermenty-primary mt-3">
                Crear un lote
            </a>
        </div>
    </div>
@else
    @foreach($notifications as $batchId => $batchNotifs)
        @php
            $batch      = $batchNotifs->first()->batch;
            $unread     = $batchNotifs->where('read_at', null)->count();
            $collapseId = 'batch-notif-' . ($batchId ?: 'general');
            // Collapsed by default; open only if it's the single group, or the one
            // targeted by ?lote=. Keeps the screen clear; click to expand the rest.
            $isOpen     = $notifications->count() === 1
                || (request('lote') && (string) $batchId === (string) request('lote'));
        @endphp

        <div class="fermenty-card mb-3" id="lote-{{ $batchId ?: 'general' }}">

            <button class="notif-batch-header w-100 text-start"
                    type="button"
                    data-bs-toggle="collapse"
                    data-bs-target="#{{ $collapseId }}"
                    aria-expanded="{{ $isOpen ? 'true' : 'false' }}">
                <div class="d-flex align-items-center gap-3">
                    <div class="batch-card-icon"
                         style="width:36px;height:36px;font-size:1rem;flex-shrink:0;">
                        {{ $batch ? strtoupper(substr($batch->guide->name, 0, 1)) : '🔔' }}
                    </div>
                    <div class="flex-1 min-w-0">
                        <div class="batch-card-name">{{ $batch?->name ?? 'General' }}</div>
                        @if($batch)
                            <div class="batch-card-type">
                                {{ $batch->guide->name }}
                                <span class="fermenty-badge badge-{{ $batch->status }} ms-1"
                                      style="font-size:0.65rem;">{{ $batch->status }}</span>
                            </div>
                        @endif
                    </div>
                    <div class="d-flex gap-2 align-items-center flex-shrink-0">
                        <span class="admin-user-email numeric">{{ $batchNotifs->count() }}</span>
                        @if($unread > 0)
                            <span class="fermenty-badge badge-warn numeric">{{ $unread }}</span>
                        @endif
                        <span class="notif-collapse-icon">▼</span>
                    </div>
                </div>
            </button>

            <div class="collapse {{ $isOpen ? 'show' : '' }}" id="{{ $collapseId }}">
                <div class="pt-3 mt-2" style="border-top: 0.5px solid #EAF5D5;">

                    @foreach($batchNotifs->sortBy('scheduled_at') as $notif)
                        @php $isPast = $notif->scheduled_at->isPast(); @endphp
                        <div class="notif-row {{ $notif->read_at ? 'notif-read' : '' }} {{ $isPast ? 'notif-past' : '' }}">
                            <div class="d-flex align-items-start gap-3">
                                <div class="notif-icon">
                                    @if($notif->type === 'alert') ⚠️
                                    @elseif($notif->type === 'suggestion') 💡
                                    @elseif($notif->type === 'community') 💬
                                    @else 🔔
                                    @endif
                                </div>
                                <div class="flex-1">
                                    <div class="d-flex justify-content-between align-items-start gap-2 flex-wrap">
                                        <div class="notif-title {{ $notif->read_at ? '' : 'unread' }}">
                                            {{ $notif->title }}
                                        </div>
                                        <div class="d-flex gap-2 align-items-center flex-shrink-0">
                                            @php
                                                $chIcon  = ['email' => '✉️', 'push' => '📱', 'both' => '✉️📱'][$notif->channel] ?? '🔔';
                                                $chLabel = ['email' => 'Email', 'push' => 'Push', 'both' => 'Email + Push'][$notif->channel] ?? $notif->channel;
                                            @endphp
                                            <span class="notif-channel" title="Canal: {{ $chLabel }}" aria-label="Canal: {{ $chLabel }}"
                                                  style="font-size:0.72rem;letter-spacing:-.04em;opacity:.75;">{{ $chIcon }}</span>
                                            <span class="notif-time numeric">{{ $notif->scheduled_at->diffForHumans() }}</span>
                                            @if(!$notif->read_at)
                                                <form method="POST" action="{{ route('notificaciones.read', $notif->id) }}">
                                                    @csrf
                                                    <button type="submit" class="btn-back" style="font-size:0.75rem;">✓</button>
                                                </form>
                                            @endif
                                        </div>
                                    </div>
                                    <div class="notif-message">{{ $notif->message }}</div>
                                    @if($notif->link)
                                        <a href="{{ $notif->link }}" class="notif-batch-link">→ Ver publicación</a>
                                    @endif
                                </div>
                            </div>
                        </div>
                    @endforeach

                    @if($batch)
                        <div class="pt-2 mt-1">
                            <a href="{{ route('batches.show', $batch) }}" class="notif-batch-link">
                                → Ver lote: {{ $batch->name }}
                            </a>
                        </div>
                    @endif

                </div>
            </div>
        </div>
    @endforeach
@endif

@endsection

@if(request('lote'))
@push('scripts')
<script>
    // Came in for a specific batch → glide to its (already-open) group.
    window.addEventListener('load', function () {
        var el = document.getElementById('lote-{{ request('lote') }}');
        if (el) setTimeout(function () { el.scrollIntoView({ behavior: 'smooth', block: 'start' }); }, 200);
    });
</script>
@endpush
@endif