@extends('layouts.app')
@section('title', 'Initiate Transfer')
@section('breadcrumb', 'Students › ' . $student->full_name . ' › Initiate Transfer')

@section('content')
<div class="row justify-content-center">
<div class="col-lg-7">

<div class="card table-card">
    <div class="card-header bg-white py-3">
        <h5 class="mb-0 fw-bold" style="color:#0f3d23;">
            <i class="bi bi-arrow-right-circle me-2" style="color:#c9a94d;"></i>Initiate Transfer Request
        </h5>
    </div>
    <div class="card-body p-4">

        {{-- Student Info --}}
        <div class="alert mb-4" style="background:#e8f5ee; border-left:4px solid #1a6b3c; border-radius:8px;">
            <div class="d-flex align-items-center gap-3">
                <i class="bi bi-person-badge fs-3" style="color:#1a6b3c;"></i>
                <div>
                    <div class="fw-bold">{{ $student->full_name }}</div>
                    <div class="text-muted" style="font-size:.82rem;">
                        ID: <strong>{{ $student->mcss_student_id }}</strong> &bull;
                        Currently at: <strong>{{ $school->name }}</strong>
                    </div>
                </div>
            </div>
        </div>

        <form action="{{ route('school.transfers.store') }}" method="POST">
            @csrf
            <input type="hidden" name="mcss_student_id" value="{{ $student->id }}">

            <div class="mb-3">
                <label class="form-label fw-semibold">Destination School <span class="text-danger">*</span></label>
                <select name="to_school_id" id="toSchool" class="form-select" required>
                    <option value="">— Select receiving school —</option>
                    @foreach($schools as $s)
                        <option value="{{ $s->id }}">{{ $s->name }} ({{ $s->code }})</option>
                    @endforeach
                </select>
                <div class="form-text">All schools are within MCSS. Academic history will be preserved.</div>
            </div>

            <div class="mb-3">
                <label class="form-label fw-semibold">Class / Arm at Destination <span class="text-danger">*</span></label>
                <select name="to_class_arm_id" id="toClassArm" class="form-select" required disabled>
                    <option value="">— Select destination school first —</option>
                </select>
                <div id="classArmLoading" class="form-text text-primary d-none">
                    <i class="bi bi-arrow-repeat"></i> Loading classes…
                </div>
            </div>

            <div class="mb-4">
                <label class="form-label fw-semibold">Reason for Transfer <span class="text-danger">*</span></label>
                <textarea name="reason" class="form-control" rows="4" required
                    placeholder="e.g. Family relocation, academic placement, school zone change…">{{ old('reason') }}</textarea>
            </div>

            <div class="d-flex gap-2">
                <button type="submit" class="btn" style="background:#1a6b3c; color:#fff; border-radius:8px;">
                    <i class="bi bi-send me-2"></i>Submit Transfer Request
                </button>
                <a href="{{ route('school.students.show', $student) }}" class="btn btn-outline-secondary" style="border-radius:8px;">
                    Cancel
                </a>
            </div>
        </form>
    </div>
</div>

</div>
</div>
@endsection

@push('scripts')
<script>
document.getElementById('toSchool').addEventListener('change', function () {
    const schoolId  = this.value;
    const classArm  = document.getElementById('toClassArm');
    const loading   = document.getElementById('classArmLoading');

    classArm.innerHTML = '<option value="">— Loading… —</option>';
    classArm.disabled  = true;
    loading.classList.remove('d-none');

    if (!schoolId) {
        classArm.innerHTML = '<option value="">— Select destination school first —</option>';
        loading.classList.add('d-none');
        return;
    }

    fetch(`{{ route('school.transfers.class-arms') }}?school_id=${schoolId}`, {
        headers: { 'X-Requested-With': 'XMLHttpRequest' }
    })
    .then(r => r.json())
    .then(data => {
        classArm.innerHTML = '<option value="">— Select a class —</option>';
        if (data.length === 0) {
            classArm.innerHTML += '<option disabled>No classes in current session</option>';
        }
        data.forEach(c => {
            classArm.innerHTML += `<option value="${c.id}">${c.name}</option>`;
        });
        classArm.disabled = false;
        loading.classList.add('d-none');
    })
    .catch(() => {
        classArm.innerHTML = '<option value="">Failed to load — try again</option>';
        loading.classList.add('d-none');
    });
});
</script>
@endpush