@extends('layouts.school')

@section('title', 'Promote Students')
@section('header', 'Promote Students')

@section('content')
    <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 p-6 mb-6">
        <form method="GET" action="{{ route('school.students.promote.form', request()->route('schoolId')) }}" class="flex flex-col gap-4 sm:flex-row sm:items-end">
            <div class="flex-1">
                <label class="block text-sm font-medium text-gray-700">From Class *</label>
                <select name="from_class_id" required class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2.5 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                    <option value="">Select source class...</option>
                    @foreach($classes as $class)
                        <option value="{{ $class->id }}" {{ request('from_class_id') == $class->id ? 'selected' : '' }}>{{ $class->name }}</option>
                    @endforeach
                </select>
            </div>
            <button type="submit" class="rounded-lg bg-primary-600 px-6 py-2.5 text-sm font-semibold text-white shadow-sm hover:bg-primary-700">Load Students</button>
        </form>
    </div>

    @if(request('from_class_id'))
        @php
            $sourceClass = $classes->firstWhere('id', (int) request('from_class_id'));
            $students = \App\Models\Student::where('school_id', \App\Services\Tenant\TenantContext::getSchoolId())
                ->where('class_id', request('from_class_id'))
                ->where('is_active', true)
                ->orderBy('first_name')
                ->get();
        @endphp

        <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 overflow-hidden">
            <div class="border-b border-gray-200 px-6 py-4">
                <h3 class="font-display font-semibold text-gray-900">{{ $students->count() }} active student(s) in {{ $sourceClass?->name }}</h3>
            </div>
            <form method="POST" action="{{ route('school.students.promote', request()->route('schoolId')) }}">
                @csrf
                <input type="hidden" name="from_class_id" value="{{ request('from_class_id') }}">
                <div class="px-6 py-4 border-b border-gray-200">
                    <label class="block text-sm font-medium text-gray-700 mb-1">Promote To Class *</label>
                    <select name="to_class_id" required class="block w-full max-w-xs rounded-lg border border-gray-300 px-3 py-2.5 text-sm shadow-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                        <option value="">Select target class...</option>
                        @foreach($classes as $class)
                            @if($class->id != request('from_class_id'))
                                <option value="{{ $class->id }}">{{ $class->name }}</option>
                            @endif
                        @endforeach
                    </select>
                </div>
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 w-12"><input type="checkbox" checked onclick="document.querySelectorAll('input[name=\'students[]\']').forEach(cb => cb.checked = this.checked)"></th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Name</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Admission No</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-100">
                        @forelse($students as $student)
                            <tr class="hover:bg-gray-50">
                                <td class="px-6 py-3"><input type="checkbox" name="students[]" value="{{ $student->id }}" checked></td>
                                <td class="px-6 py-3 text-sm font-medium text-gray-900">{{ $student->full_name }}</td>
                                <td class="px-6 py-3 text-sm text-gray-600">{{ $student->admission_no }}</td>
                            </tr>
                        @empty
                            <tr><td colspan="3" class="px-6 py-12 text-center text-sm text-gray-500">No active students in this class.</td></tr>
                        @endforelse
                    </tbody>
                </table>
                @if($students->count())
                    <div class="border-t border-gray-200 px-6 py-4">
                        <button type="submit" class="rounded-lg bg-primary-600 px-6 py-2.5 text-sm font-semibold text-white shadow-sm hover:bg-primary-700">Promote Selected</button>
                    </div>
                @endif
            </form>
        </div>
    @endif
@endsection