@extends('layouts.app')

@section('title', 'Панель преподавателя')

@push('styles')
<style>
    .group-name { font-weight: bold; }
    .list-group-item:hover { background-color: var(--ax-gray-100, #eef1f6); }
    .list-group-item { min-height: 50px; }
</style>
@endpush

@section('content')
    <div class="container mt-4">
        @include('admin.partials.user-tabs', ['activeTab' => 'teachers'])

        <div class="card p-3 mb-4">
            <div class="d-flex justify-content-between align-items-center">
                <h2 class="mb-0">{{ \App\Support\SessionAuth::user()['name'] ?? '' }}</h2>
                <a href="#" class="btn btn-success" data-bs-toggle="modal" data-bs-target="#addTeacherModal">Добавить преподавателя</a>

                <div class="modal fade" id="addTeacherModal" tabindex="-1" aria-labelledby="addTeacherModalLabel" aria-hidden="true">
                    <div class="modal-dialog">
                        <div class="modal-content">
                            <form action="/admin/add_teacher.php" method="POST">
                                @csrf
                                <div class="modal-header">
                                    <h5 class="modal-title" id="addTeacherModalLabel">Добавить преподавателя</h5>
                                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Закрыть"></button>
                                </div>
                                <div class="modal-body">
                                    <div class="mb-3">
                                        <label for="teacher_name" class="form-label">Имя</label>
                                        <input type="text" class="form-control @error('name') is-invalid @enderror"
                                               id="teacher_name" name="name" value="{{ old('name') }}" required>
                                        @error('name')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                    </div>
                                    <div class="mb-3">
                                        <label for="teacher_email" class="form-label">Email</label>
                                        <input type="email" class="form-control @error('email') is-invalid @enderror"
                                               id="teacher_email" name="email" value="{{ old('email') }}" required>
                                        <div id="emailFeedback" class="invalid-feedback">@error('email'){{ $message }}@enderror</div>
                                    </div>
                                    <div class="mb-3">
                                        <label for="teacher_iin" class="form-label">ИИН</label>
                                        <input type="text" class="form-control @error('iin') is-invalid @enderror"
                                               id="teacher_iin" name="iin" maxlength="12" inputmode="numeric" pattern="\d{12}"
                                               value="{{ old('iin') }}">
                                        @error('iin')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                    </div>
                                    <div class="mb-3">
                                        <label for="teacher_password" class="form-label">Пароль</label>
                                        <input type="password" class="form-control @error('password') is-invalid @enderror"
                                               id="teacher_password" name="password" required>
                                        @error('password')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                    </div>
                                    <div class="mb-3">
                                        <label for="teacher_price" class="form-label">Цена за занятие (необязательно)</label>
                                        <input type="number" step="0.01" class="form-control @error('price_value') is-invalid @enderror"
                                               id="teacher_price" name="price_value" value="{{ old('price_value') }}">
                                        @error('price_value')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                    </div>
                                </div>
                                <div class="modal-footer">
                                    <button type="submit" class="btn btn-primary">Сохранить</button>
                                </div>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="d-flex justify-content-between align-items-center mb-3">
            <h2 class="mb-0">Учителя:</h2>
            <form class="d-flex" method="GET" action="/admin/teachers.php">
                <input type="text" class="form-control me-2" name="search" placeholder="Поиск по имени или фамилии" value="{{ $search }}">
                <button class="btn btn-outline-secondary" type="submit">Поиск</button>
            </form>
        </div>

        <ul class="list-group mb-4">
            @if (! empty($units))
                @foreach ($units as $unit)
                    <li class="list-group-item d-flex justify-content-between align-items-center">
                        <a href="/admin/teacher_admin_info.php?teacher_id={{ $unit->id }}" class="group-name">
                            {{ $unit->name ?? 'Без имени' }}
                        </a>
                    </li>
                @endforeach
            @else
                <li class="list-group-item text-muted">Нет учителя.</li>
            @endif
        </ul>

        @if ($totalPages > 1)
            <nav>
                <ul class="pagination">
                    @for ($i = 1; $i <= $totalPages; $i++)
                        <li class="page-item {{ $i === $currentPage ? 'active' : '' }}">
                            <a class="page-link" href="?page={{ $i }}{{ $search !== '' ? '&search='.urlencode($search) : '' }}">
                                {{ $i }}
                            </a>
                        </li>
                    @endfor
                </ul>
            </nav>
        @endif
    </div>

    <script>
    document.addEventListener("DOMContentLoaded", function() {
        @if ($errors->any())
            new bootstrap.Modal(document.getElementById('addTeacherModal')).show();
        @endif

        const emailInput = document.getElementById("teacher_email");
        const emailFeedback = document.getElementById("emailFeedback");
        const form = document.querySelector("#addTeacherModal form");

        emailInput.addEventListener("blur", function() {
            let email = emailInput.value.trim();
            if (email === "") return;

            fetch("/admin/check_email.php", {
                method: "POST",
                headers: {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "X-CSRF-TOKEN": document.querySelector('meta[name="csrf-token"]').content
                },
                body: "email=" + encodeURIComponent(email)
            })
            .then(response => response.json())
            .then(data => {
                if (data.exists) {
                    emailInput.classList.add("is-invalid");
                    emailFeedback.textContent = "Такой email уже существует!";
                } else {
                    emailInput.classList.remove("is-invalid");
                    emailInput.classList.add("is-valid");
                    emailFeedback.textContent = "";
                }
            })
            .catch(err => console.error(err));
        });

        form.addEventListener("submit", function(e) {
            if (emailInput.classList.contains("is-invalid")) {
                e.preventDefault();
            }
        });
    });
    </script>
@endsection