@extends('layouts.app')

@section('title', 'Импорт учеников — предпросмотр')

@push('styles')
<link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css" rel="stylesheet">
@endpush

@php
    $errorCount = count(array_filter($rows, fn ($r) => $r['has_error']));
    $okCount = count($rows) - $errorCount;
@endphp

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

        <div class="ax-page-header">
            <h1 class="mb-0">Предпросмотр импорта</h1>
            <a href="/admin/import_students.php" class="btn btn-outline-secondary btn-sm">Загрузить другой файл</a>
        </div>

        <div class="alert alert-info">
            Найдено строк: <strong>{{ count($rows) }}</strong>.
            Готовы к импорту: <strong class="text-success">{{ $okCount }}</strong>.
            @if ($errorCount > 0)
                С проблемами: <strong class="text-danger">{{ $errorCount }}</strong> — они отмечены ниже и по умолчанию не выбраны.
                Вы можете поправить класс/язык/тип обучения/пол/ИИН прямо здесь, если система не смогла их распознать
                автоматически, отметить строку галочкой и всё равно импортировать.
            @endif
            Ничего не будет сохранено, пока вы не нажмёте «Импортировать» внизу.
        </div>

        <form method="POST" action="/admin/import_students_confirm.php">
            @csrf

            <div class="table-responsive mb-3">
                <table class="table table-hover align-middle mb-0">
                    <thead class="table-light">
                        <tr>
                            <th style="width:32px;">
                                <input type="checkbox" id="selectAll" checked>
                            </th>
                            <th>#</th>
                            <th>ФИО</th>
                            <th>Пол</th>
                            <th>Телефон</th>
                            <th>Родитель</th>
                            <th>Класс</th>
                            <th>Язык</th>
                            <th>Тип обучения</th>
                            <th>ИИН</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach ($rows as $i => $row)
                            <tr class="{{ $row['has_error'] ? 'table-warning' : '' }}">
                                <td>
                                    <input type="checkbox" name="import[]" value="{{ $i }}"
                                           class="row-check" {{ $row['has_error'] ? '' : 'checked' }}>
                                </td>
                                <td>{{ (int) $row['row_number'] }}</td>
                                <td>
                                    {{ trim($row['last_name'].' '.$row['first_name'].' '.$row['middle_name']) }}
                                    @if ($row['first_name'] === '' || $row['last_name'] === '')
                                        <br><span class="badge text-bg-danger">Нет имени/фамилии</span>
                                    @endif
                                </td>
                                <td>
                                    <select name="gender[{{ $i }}]" class="form-select form-select-sm" style="min-width:90px;">
                                        <option value="" {{ $row['gender'] === null ? 'selected' : '' }}>—</option>
                                        <option value="1" {{ $row['gender'] === 1 ? 'selected' : '' }}>Муж</option>
                                        <option value="0" {{ $row['gender'] === 0 ? 'selected' : '' }}>Жен</option>
                                    </select>
                                    @if ($row['gender'] === null && $row['gender_raw'] !== '')
                                        <div class="small text-danger">«{{ $row['gender_raw'] }}» не распознано</div>
                                    @endif
                                </td>
                                <td>{{ $row['phone'] }}</td>
                                <td>
                                    {{ trim($row['agent_last_name'].' '.$row['agent_first_name']) }}
                                    @if ($row['agent_phone'] !== '')
                                        <br><span class="text-muted small">{{ $row['agent_phone'] }}</span>
                                    @endif
                                </td>
                                <td>
                                    <select name="class_id[{{ $i }}]" class="form-select form-select-sm" style="min-width:100px;">
                                        <option value="">—</option>
                                        @foreach ($classes as $c)
                                            <option value="{{ $c['id'] }}" {{ $row['class_id'] === (int) $c['id'] ? 'selected' : '' }}>
                                                {{ $c['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @if ($row['class_id'] === null && $row['class_raw'] !== '')
                                        <div class="small text-danger">«{{ $row['class_raw'] }}» не найден</div>
                                    @endif
                                </td>
                                <td>
                                    <select name="language_id[{{ $i }}]" class="form-select form-select-sm" style="min-width:100px;">
                                        <option value="">—</option>
                                        @foreach ($languages as $l)
                                            <option value="{{ $l['id'] }}" {{ $row['language_id'] === (int) $l['id'] ? 'selected' : '' }}>
                                                {{ $l['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @if ($row['language_id'] === null && $row['language_raw'] !== '')
                                        <div class="small text-danger">«{{ $row['language_raw'] }}» не найден</div>
                                    @endif
                                </td>
                                <td>
                                    <select name="learning_type_id[{{ $i }}]" class="form-select form-select-sm" style="min-width:110px;">
                                        <option value="">—</option>
                                        @foreach ($learningTypes as $lt)
                                            <option value="{{ $lt['id'] }}" {{ $row['learning_type_id'] === (int) $lt['id'] ? 'selected' : '' }}>
                                                {{ $lt['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @if ($row['learning_type_id'] === null && $row['learning_type_raw'] !== '')
                                        <div class="small text-danger">«{{ $row['learning_type_raw'] }}» не найден</div>
                                    @endif
                                </td>
                                <td>
                                    <input type="text" name="iin[{{ $i }}]" class="form-control form-control-sm"
                                           style="min-width:110px;" maxlength="12" placeholder="необязательно"
                                           value="{{ $row['iin'] }}">
                                    @if ($row['iin_invalid'])
                                        <div class="small text-danger">некорректный ИИН</div>
                                    @endif
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>

            <button type="submit" class="btn btn-primary mb-4">
                <i class="bi bi-check2-circle"></i> Импортировать выбранных
            </button>
        </form>

    </div>
@endsection

@push('scripts')
<script>
document.getElementById('selectAll').addEventListener('change', function () {
    document.querySelectorAll('.row-check').forEach(cb => { cb.checked = this.checked; });
});
</script>
@endpush