@extends('admin.layouts.app')
@section('title', 'Class Schedule')
@section('breadcrumb')
    <li class="breadcrumb-item"><a href="{{ route('admin.academics.classes.index') }}">Academics</a></li>
    <li class="breadcrumb-item active">Class Schedule</li>
@endsection
@section('content')
<div class="page-header">
    <h1 class="page-title">Class Schedule / Timetable</h1>
</div>

<div class="card mb-3">
    <div class="card-body py-3">
        <form method="GET" class="row g-2 align-items-end">
            <div class="col-md-4">
                <label class="form-label mb-1">Select Class</label>
                <select name="class_id" class="form-select" onchange="this.form.submit()">
                    <option value="">— Select Class —</option>
                    @foreach($classes as $c)
                        <option value="{{ $c->id }}" {{ request('class_id')==$c->id?'selected':'' }}>{{ $c->name }}</option>
                    @endforeach
                </select>
            </div>
        </form>
    </div>
</div>

@if(request('class_id'))
<div class="row g-2 mb-3">
    <div class="col-auto">
        <button class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#addSlotModal">
            <i class="bi bi-plus-lg me-1"></i>Add Slot
        </button>
    </div>
</div>

@php
    $days = ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];
    $grouped = $schedules->groupBy('day_of_week');
@endphp

<div class="card">
    <div class="table-responsive">
        <table class="table table-bordered mb-0" style="font-size:0.83rem; min-width:700px">
            <thead>
                <tr style="background:#f8fafc">
                    <th style="width:100px">Time / Day</th>
                    @foreach($days as $day)
                    <th class="{{ $day === now()->format('l') ? 'table-primary' : '' }}">{{ $day }}</th>
                    @endforeach
                </tr>
            </thead>
            <tbody>
                @php
                    // Collect all unique time slots
                    $times = $schedules->map(fn($s) => $s->start_time)->unique()->sort()->values();
                @endphp
                @forelse($times as $time)
                <tr>
                    <td style="font-weight:600;color:#64748b;white-space:nowrap">{{ date('h:i A', strtotime($time)) }}</td>
                    @foreach($days as $day)
                    @php $slot = ($grouped[$day] ?? collect())->firstWhere('start_time', $time); @endphp
                    <td style="{{ $day === now()->format('l') ? 'background:#eff6ff' : '' }}">
                        @if($slot)
                        <div style="background:#f0f7ff;border-left:3px solid #2563eb;border-radius:4px;padding:6px 8px">
                            <div style="font-weight:500;font-size:0.82rem">{{ $slot->subject?->name }}</div>
                            <div style="font-size:0.73rem;color:#64748b">{{ $slot->employee?->user?->name }}</div>
                            @if($slot->room)<div style="font-size:0.7rem;color:#94a3b8"><i class="bi bi-geo-alt"></i> {{ $slot->room }}</div>@endif
                            <div class="mt-1 d-flex justify-content-end">
                                <form method="POST" action="{{ route('admin.academics.schedule.destroy',$slot->id) }}" onsubmit="return confirm('Remove?')">
                                    @csrf @method('DELETE')
                                    <button type="submit" class="btn btn-xs" style="padding:1px 5px;font-size:0.65rem;border:none;color:#dc2626;background:none"><i class="bi bi-trash"></i></button>
                                </form>
                            </div>
                        </div>
                        @endif
                    </td>
                    @endforeach
                </tr>
                @empty
                <tr><td colspan="7" class="text-center py-4 text-muted">No schedule slots yet. Add slots using the button above.</td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
</div>

<!-- ADD SLOT MODAL -->
<div class="modal fade" id="addSlotModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content" style="border-radius:14px;border:none">
            <div class="modal-header"><h5 class="modal-title fw-600">Add Schedule Slot</h5><button type="button" class="btn-close" data-bs-dismiss="modal"></button></div>
            <form method="POST" action="{{ route('admin.academics.schedule.store') }}">
                @csrf
                <input type="hidden" name="class_id" value="{{ request('class_id') }}">
                <div class="modal-body row g-3">
                    <div class="col-12">
                        <label class="form-label">Subject</label>
                        <select name="subject_id" class="form-select" required>
                            <option value="">— Select —</option>
                            @foreach($subjects as $s)
                                <option value="{{ $s->id }}">{{ $s->name }} ({{ $s->category }})</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="col-12">
                        <label class="form-label">Teacher</label>
                        <select name="employee_id" class="form-select" required>
                            <option value="">— Select —</option>
                            @foreach($employees as $e)
                                <option value="{{ $e->id }}">{{ $e->user?->name }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="col-md-6">
                        <label class="form-label">Day</label>
                        <select name="day_of_week" class="form-select" required>
                            @foreach(['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'] as $d)
                                <option value="{{ $d }}">{{ $d }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="col-md-3">
                        <label class="form-label">Start</label>
                        <input type="time" name="start_time" class="form-control" required>
                    </div>
                    <div class="col-md-3">
                        <label class="form-label">End</label>
                        <input type="time" name="end_time" class="form-control" required>
                    </div>
                    <div class="col-md-4">
                        <label class="form-label">Room</label>
                        <input type="text" name="room" class="form-control" placeholder="Room 101">
                    </div>
                    <div class="col-md-4">
                        <label class="form-label">Academic Year</label>
                        <input type="text" name="academic_year" class="form-control" value="{{ date('Y').'-'.(date('Y')+1) }}" required>
                    </div>
                </div>
                <div class="modal-footer"><button type="button" class="btn btn-light" data-bs-dismiss="modal">Cancel</button><button type="submit" class="btn btn-primary">Add Slot</button></div>
            </form>
        </div>
    </div>
</div>
@endif
@endsection