@extends('layouts.school')
@section('title', 'Examination Schedule')
@section('header', 'Examination Schedule')

@section('content')
    <div class="mb-6">
        <form method="GET" class="flex max-w-md items-end gap-3">
            <div class="flex-1">
                <label for="exam_id" class="block text-xs font-medium text-gray-700">Select Examination</label>
                <select name="exam_id" id="exam_id" onchange="this.form.submit()" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    <option value="">-- Choose exam --</option>
                    @foreach ($exams as $e)
                        <option value="{{ $e->id }}" {{ $exam && $exam->id === $e->id ? 'selected' : '' }}>
                            {{ $e->name }} ({{ $e->classroom?->name ?? '—' }})
                        </option>
                    @endforeach
                </select>
            </div>
        </form>
    </div>

    @if ($exam)
        <div class="mb-6 rounded-xl bg-white p-6 shadow-sm ring-1 ring-gray-900/5">
            <div class="flex items-center justify-between">
                <div>
                    <h2 class="text-lg font-semibold text-gray-900">{{ $exam->name }}</h2>
                    <p class="text-sm text-gray-500">
                        {{ $exam->classroom?->name ?? 'No class' }} ·
                        {{ $exam->type }} ·
                        {{ $exam->start_date ? $exam->start_date->format('M j, Y') : '—' }} –
                        {{ $exam->end_date ? $exam->end_date->format('M j, Y') : '—' }}
                    </p>
                </div>
                <span class="inline-flex rounded-full px-2.5 py-0.5 text-xs font-medium {{ $exam->is_published ? 'bg-green-50 text-green-700' : 'bg-yellow-50 text-yellow-700' }}">
                    {{ $exam->is_published ? 'Published' : 'Draft' }}
                </span>
            </div>

            <form method="POST" action="{{ route('school.exams.timetable.store', $schoolId) }}" class="mt-6 border-t border-gray-100 pt-5">
                @csrf
                <input type="hidden" name="exam_id" value="{{ $exam->id }}">
                <div class="grid grid-cols-2 gap-4 lg:grid-cols-4">
                    <div>
                        <label for="subject_id" class="block text-xs font-medium text-gray-700">Subject *</label>
                        <select name="subject_id" id="subject_id" required class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                            <option value="">-- Select --</option>
                            @foreach (\App\Models\Subject::where('school_id', $schoolId)->where('class_id', $exam->class_id)->get() as $subject)
                                <option value="{{ $subject->id }}">{{ $subject->name }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label for="exam_date" class="block text-xs font-medium text-gray-700">Date *</label>
                        <input type="date" name="exam_date" id="exam_date" required value="{{ old('exam_date', $exam->end_date?->format('Y-m-d')) }}" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                    <div>
                        <label for="start_time" class="block text-xs font-medium text-gray-700">Start Time *</label>
                        <input type="time" name="start_time" id="start_time" required class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                    <div>
                        <label for="end_time" class="block text-xs font-medium text-gray-700">End Time *</label>
                        <input type="time" name="end_time" id="end_time" required class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                    <div>
                        <label for="room" class="block text-xs font-medium text-gray-700">Room</label>
                        <input type="text" name="room" id="room" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                    <div>
                        <label for="supervisor" class="block text-xs font-medium text-gray-700">Supervisor</label>
                        <input type="text" name="supervisor" id="supervisor" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                    <div class="col-span-2">
                        <label for="notes" class="block text-xs font-medium text-gray-700">Notes</label>
                        <input type="text" name="notes" id="notes" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    </div>
                </div>
                <div class="mt-4">
                    <button type="submit" class="rounded-lg bg-primary-600 px-4 py-2 text-sm font-semibold text-white shadow-sm hover:bg-primary-700">+ Add Timetable Entry</button>
                </div>
            </form>
        </div>

        <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 overflow-hidden">
            <table class="min-w-full divide-y divide-gray-200">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Subject</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Date</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Time</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Room</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Supervisor</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Actions</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-gray-100">
                    @forelse($entries as $entry)
                        <tr class="hover:bg-gray-50">
                            <td class="px-6 py-4 text-sm font-medium text-gray-900">{{ $entry->subject?->name ?? '—' }}</td>
                            <td class="px-6 py-4 text-sm text-gray-600">{{ $entry->exam_date->format('D, M j, Y') }}</td>
                            <td class="px-6 py-4 text-sm text-gray-600">
                                {{ $entry->start_time?->format('h:i A') ?? '—' }} – {{ $entry->end_time?->format('h:i A') ?? '—' }}
                            </td>
                            <td class="px-6 py-4 text-sm text-gray-600">{{ $entry->room ?? '—' }}</td>
                            <td class="px-6 py-4 text-sm text-gray-600">{{ $entry->supervisor ?? '—' }}</td>
                            <td class="px-6 py-4">
                                <form method="POST" action="{{ route('school.exams.timetable.destroy', [$schoolId, $entry->id]) }}" onsubmit="return confirm('Remove this timetable entry?')">
                                    @csrf
                                    @method('DELETE')
                                    <button type="submit" class="text-xs font-medium text-red-600 hover:text-red-700">Remove</button>
                                </form>
                            </td>
                        </tr>
                    @empty
                        <tr><td colspan="6" class="px-6 py-12 text-center text-sm text-gray-500">No timetable entries yet. Add one above.</td></tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    @else
        <div class="rounded-xl bg-white p-12 text-center shadow-sm ring-1 ring-gray-900/5">
            <p class="text-sm text-gray-500">Select an examination to manage its schedule.</p>
        </div>
    @endif
@endsection