@extends('layouts.landing')

@section('title', 'Mis Tareas')

@section('content')
<div class="container-fluid">

    {{-- Alertas de sesión --}}
    @if (session('info'))
        <div class="alert alert-success alert-dismissible fade show">
            <strong>{{ session('info') }}</strong>
            <button type="button" class="close" data-dismiss="alert"><span>&times;</span></button>
        </div>
    @endif
    @if (session('error'))
        <div class="alert alert-danger alert-dismissible fade show">
            <strong>{{ session('error') }}</strong>
            <button type="button" class="close" data-dismiss="alert"><span>&times;</span></button>
        </div>
    @endif
    @if ($errors->any())
        <div class="alert alert-warning alert-dismissible fade show">
            <ul class="mb-0">
                @foreach ($errors->all() as $error)
                    <li>{{ $error }}</li>
                @endforeach
            </ul>
            <button type="button" class="close" data-dismiss="alert"><span>&times;</span></button>
        </div>
    @endif

    {{-- Sin ciclo activo --}}
    @if (!$cicloActual)
        <div class="alert alert-info">
            <i class="fas fa-info-circle"></i>
            No hay un ciclo escolar activo en este momento. Contacta a tu coordinador.
        </div>
    @else

        {{-- ══════════════════════════════════════════════════
             SECCIÓN 1: TAREAS POR ENTREGAR (ciclo actual)
        ══════════════════════════════════════════════════ --}}
        <div class="card shadow mb-4">
            <div class="card-header py-3 d-flex align-items-center justify-content-between">
                <h6 class="m-0 font-weight-bold text-primary">
                    <i class="fas fa-tasks mr-1"></i> Tareas por Entregar
                </h6>
                <span class="badge badge-primary badge-pill">{{ $cicloActual->name }}</span>
            </div>
            <div class="card-body">
                @if ($tareasPendientes->isEmpty())
                    <div class="alert alert-success mb-0">
                        <i class="fas fa-check-circle"></i> ¡Estás al corriente! No tienes tareas pendientes de entrega.
                    </div>
                @else
                    @php $pendientesAgrupadas = $tareasPendientes->groupBy('material_id'); @endphp

                    @foreach ($pendientesAgrupadas as $materialId => $grupoTareas)
                        @php
                            $material = $grupoTareas->first()->material;
                            $grupo    = $grupoTareas->first()->grupo;
                            $vencidas = $grupoTareas->filter(fn($t) =>
                                $t->fecha_entrega && \Carbon\Carbon::parse($t->fecha_entrega)->isPast()
                            )->count();
                        @endphp

                        <div class="card border mb-3 shadow-sm">
                            <div class="card-header d-flex justify-content-between align-items-center"
                                 data-toggle="collapse"
                                 data-target="#pend-mat-{{ $materialId }}"
                                 aria-expanded="true"
                                 style="cursor:pointer; user-select:none;">
                                <div class="d-flex align-items-center">
                                    <i class="fas fa-book-open mr-2 text-primary"></i>
                                    <div>
                                        <h6 class="mb-0 font-weight-bold">{{ $material->name }}</h6>
                                        <small class="text-muted">Grupo: {{ $grupo->clave }}</small>
                                    </div>
                                </div>
                                <div class="d-flex align-items-center">
                                    @if ($vencidas > 0)
                                        <span class="badge badge-danger badge-pill mr-1"
                                              title="{{ $vencidas }} tarea(s) vencida(s)">
                                            {{ $vencidas }} vencida(s)
                                        </span>
                                    @endif
                                    <span class="badge badge-warning badge-pill mr-2">
                                        {{ $grupoTareas->count() }} por entregar
                                    </span>
                                    <i class="fas fa-chevron-down text-muted accordion-icon"></i>
                                </div>
                            </div>

                            <div id="pend-mat-{{ $materialId }}" class="collapse show">
                                <div class="card-body p-0">
                                    <div class="table-responsive">
                                        <table class="table table-sm table-hover mb-0">
                                            <thead class="thead-light">
                                                <tr>
                                                    <th>Tarea</th>
                                                    <th style="width:130px">Fecha límite</th>
                                                    <th>Entregar</th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                @foreach ($grupoTareas as $tarea)
                                                    <tr>
                                                        <td class="align-middle">
                                                            <strong>{{ $tarea->titulo }}</strong>
                                                            @if ($tarea->descripcion)
                                                                <p class="text-muted small mb-0">
                                                                    {{ Str::limit($tarea->descripcion, 100) }}
                                                                </p>
                                                            @endif
                                                        </td>
                                                        <td class="align-middle">
                                                            @if ($tarea->fecha_entrega)
                                                                {{ \Carbon\Carbon::parse($tarea->fecha_entrega)->format('d/m/Y') }}
                                                                @if (\Carbon\Carbon::parse($tarea->fecha_entrega)->isPast())
                                                                    <br><span class="badge badge-danger">Vencida</span>
                                                                @else
                                                                    <br><span class="badge badge-success">Activa</span>
                                                                @endif
                                                            @else
                                                                <span class="text-muted">Sin fecha</span>
                                                            @endif
                                                        </td>
                                                        <td>
                                                            <form action="{{ route('tarea.entregar', $tarea) }}"
                                                                  method="POST"
                                                                  enctype="multipart/form-data">
                                                                @csrf
                                                                <div class="form-group mb-1">
                                                                    <textarea name="texto"
                                                                              class="form-control form-control-sm"
                                                                              rows="3"
                                                                              placeholder="Escribe tu respuesta aquí (opcional)..."></textarea>
                                                                </div>
                                                                <div class="form-group mb-1">
                                                                    <div class="custom-file">
                                                                        <input type="file"
                                                                               class="custom-file-input"
                                                                               id="archivo_{{ $tarea->id }}"
                                                                               name="archivo">
                                                                        <label class="custom-file-label small"
                                                                               for="archivo_{{ $tarea->id }}">
                                                                            Adjuntar archivo (opcional)
                                                                        </label>
                                                                    </div>
                                                                </div>
                                                                <button type="submit"
                                                                        class="btn btn-primary btn-sm btn-block mt-1">
                                                                    <i class="fas fa-upload fa-sm"></i> Entregar
                                                                </button>
                                                            </form>
                                                        </td>
                                                    </tr>
                                                @endforeach
                                            </tbody>
                                        </table>
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endforeach
                @endif
            </div>
        </div>

        {{-- ══════════════════════════════════════════════════
             SECCIÓN 2: TAREAS YA ENTREGADAS
        ══════════════════════════════════════════════════ --}}
        <div class="card shadow mb-4">
            <div class="card-header py-3 d-flex align-items-center justify-content-between">
                <h6 class="m-0 font-weight-bold text-success">
                    <i class="fas fa-check-double mr-1"></i> Tareas Entregadas
                </h6>
                <span class="badge badge-success badge-pill">{{ $tareasEntregadas->count() }}</span>
            </div>
            <div class="card-body">
                @if ($tareasEntregadas->isEmpty())
                    <div class="alert alert-info mb-0">
                        Aún no has entregado ninguna tarea en este ciclo.
                    </div>
                @else
                    @php $entregadasAgrupadas = $tareasEntregadas->groupBy('material_id'); @endphp

                    @foreach ($entregadasAgrupadas as $materialId => $grupoTareas)
                        @php
                            $material    = $grupoTareas->first()->material;
                            $grupo       = $grupoTareas->first()->grupo;
                            $calificadas = $grupoTareas->filter(
                                fn($t) => ($entregasMap[$t->id]->status ?? '') === 'calificada'
                            )->count();
                            $pendientes  = $grupoTareas->count() - $calificadas;
                        @endphp

                        <div class="card border mb-3 shadow-sm">
                            <div class="card-header d-flex justify-content-between align-items-center"
                                 data-toggle="collapse"
                                 data-target="#entr-mat-{{ $materialId }}"
                                 aria-expanded="true"
                                 style="cursor:pointer; user-select:none;">
                                <div class="d-flex align-items-center">
                                    <i class="fas fa-book-open mr-2 text-success"></i>
                                    <div>
                                        <h6 class="mb-0 font-weight-bold">{{ $material->name }}</h6>
                                        <small class="text-muted">Grupo: {{ $grupo->clave }}</small>
                                    </div>
                                </div>
                                <div class="d-flex align-items-center">
                                    @if ($pendientes > 0)
                                        <span class="badge badge-warning badge-pill mr-1"
                                              title="{{ $pendientes }} esperando calificación">
                                            {{ $pendientes }} por calificar
                                        </span>
                                    @endif
                                    @if ($calificadas > 0)
                                        <span class="badge badge-success badge-pill mr-1">
                                            {{ $calificadas }} calificada(s)
                                        </span>
                                    @endif
                                    <span class="badge badge-secondary badge-pill mr-2">
                                        {{ $grupoTareas->count() }} total
                                    </span>
                                    <i class="fas fa-chevron-down text-muted accordion-icon"></i>
                                </div>
                            </div>

                            <div id="entr-mat-{{ $materialId }}" class="collapse show">
                                <div class="card-body p-0">
                                    <div class="table-responsive">
                                        <table class="table table-sm table-hover mb-0">
                                            <thead class="thead-light">
                                                <tr>
                                                    <th>Tarea</th>
                                                    <th style="width:110px">Status</th>
                                                    <th style="width:90px">Calificación</th>
                                                    <th>Lo que entregaste</th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                @foreach ($grupoTareas as $tarea)
                                                    @php
                                                        $entrega = $entregasMap[$tarea->id] ?? null;
                                                        $status  = $entrega?->status ?? 'sin_subir';
                                                    @endphp
                                                    <tr>
                                                        <td class="align-middle">
                                                            <strong>{{ $tarea->titulo }}</strong>
                                                            @if ($tarea->descripcion)
                                                                <p class="text-muted small mb-0">
                                                                    {{ Str::limit($tarea->descripcion, 80) }}
                                                                </p>
                                                            @endif
                                                        </td>
                                                        <td class="align-middle">
                                                            @if ($status === 'pendiente')
                                                                <span class="badge badge-warning">
                                                                    <i class="fas fa-clock"></i> Pendiente
                                                                </span>
                                                            @else
                                                                <span class="badge badge-success">
                                                                    <i class="fas fa-check"></i> Calificada
                                                                </span>
                                                            @endif
                                                        </td>
                                                        <td class="align-middle text-center">
                                                            @if ($status === 'calificada' && $entrega)
                                                                <strong class="text-success h5 mb-0">
                                                                    {{ number_format($entrega->calificacion, 1) }}
                                                                </strong>
                                                                @if ($entrega->comentario)
                                                                    <br><small class="text-muted">{{ $entrega->comentario }}</small>
                                                                @endif
                                                            @else
                                                                <span class="text-muted small">Esperando...</span>
                                                            @endif
                                                        </td>
                                                        <td class="align-middle">
                                                            @if ($entrega?->texto)
                                                                <div class="border rounded p-2 bg-light"
                                                                     style="max-height:100px;overflow-y:auto;font-size:.85rem;">
                                                                    {{ $entrega->texto }}
                                                                </div>
                                                            @endif
                                                            @if ($entrega?->archivo)
                                                                <a href="{{ route('files.serve', $entrega->archivo) }}"
                                                                   target="_blank"
                                                                   class="btn btn-sm btn-outline-info mt-1">
                                                                    <i class="fas fa-eye fa-sm"></i> Ver archivo
                                                                </a>
                                                            @endif
                                                            @if (!$entrega?->texto && !$entrega?->archivo)
                                                                <span class="text-muted small">Sin contenido registrado</span>
                                                            @endif
                                                        </td>
                                                    </tr>
                                                @endforeach
                                            </tbody>
                                        </table>
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endforeach
                @endif
            </div>
        </div>

    @endif {{-- fin @if $cicloActual --}}

</div>
@endsection

@section('scripts')
<script>
document.querySelectorAll('.custom-file-input').forEach(input => {
    input.addEventListener('change', function () {
        const fileName = this.files[0]?.name || 'Adjuntar archivo (opcional)';
        this.nextElementSibling.textContent = fileName;
    });
});

document.querySelectorAll('[data-toggle="collapse"]').forEach(header => {
    const target = document.querySelector(header.dataset.target);
    if (!target) return;
    const icon = header.querySelector('.accordion-icon');
    if (target.classList.contains('show') && icon) {
        icon.classList.add('fa-rotate-180');
    }
    target.addEventListener('show.bs.collapse', () => icon?.classList.add('fa-rotate-180'));
    target.addEventListener('hide.bs.collapse', () => icon?.classList.remove('fa-rotate-180'));
});
</script>
@endsection