@extends('layouts.app')

@section('content')
<style>
    .wrapper-table-scroll {
        width: 100%;
        /* overflow-x: auto; */
    }
    
    table {
        width: 100%;
        border-collapse: collapse;
    }
    
    table thead th {
        background-color: #f8f9fa;
        padding: 5px 8px;
        text-align: left;
        font-weight: 600;
        color: #6c757d;
        border-bottom: 1px solid #dee2e6;
        font-size: 13px;
        text-transform: uppercase;
    }
    
    table tbody td {
        padding: 5px 8px;
        border-bottom: 1px solid #dee2e6;
        vertical-align: middle;
    }
    
    .avatar-circle {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background-color: #e9ecef;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        color: #fff;
        margin-right: 10px;
    }
    
    .user-info {
        display: flex;
        align-items: center;
    }
    
    .user-details {
        display: flex;
        flex-direction: column;
    }
    
    .user-email {
        font-size: 12px;
        color: #6c757d;
    }
    
    .badge {
        display: inline-block;
        padding: 4px 8px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: 500;
        background-color: #ff9800;
        color: white;
    }
    
    .status-badge {
        display: inline-block;
        padding: 5px 10px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: 500;
        background-color: #6c757d;
        color: white;
    }
    
    .status-active {
        background-color: #4caf50;
    }
    
    .status-inactive {
        background-color: #6c757d;
    }
    
    .action-icon {
        color: #6c757d;
        cursor: pointer;
        font-size: 18px;
        transition: color 0.2s;
    }
    
    .action-icon:hover {
        color: #0d6efd;
    }
    
    .search-form {
        display: flex;
        margin-bottom: 20px;
    }
    
    .search-form input, .search-form select {
        margin-right: 10px;
        border-radius: 4px;
        border: 1px solid #ced4da;
        padding: 8px 12px;
    }
    
    /* .btn-primary {
        background-color: #0d6efd;
        color: white;
        border: none;
        border-radius: 4px;
        padding: 8px 16px;
        cursor: pointer;
        transition: background-color 0.2s;
        font-weight: 500;
    } */
    
    /* .btn-primary:hover {
        background-color: #0b5ed7;
    } */
    
    .pagination {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }
    
    .box-total-item {
        margin-bottom: 15px;
        font-weight: 500;
    }
    
    .dropdown-select {
        position: relative;
        width: 100%;
    }
    
    .dropdown-select select {
        width: 100%;
        padding: 8px 12px;
        border-radius: 4px;
        border: 1px solid #ced4da;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 16px;
    }
    
    .page-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
    }
    
    .entries-select {
        display: flex;
        align-items: center;
        background-color: #f8f9fa;
        padding: 8px 15px;
        border-radius: 4px;
        border: 1px solid #dee2e6;
    }
    
    .entries-select select {
        margin: 0 5px;
        width: 70px;
        padding: 5px;
        border: 1px solid #ced4da;
        border-radius: 4px;
        background-color: white;
    }
    
    .entries-label {
        font-size: 14px;
        color: #495057;
    }
    
    .filter-container {
        background-color: #f8f9fa;
        border: 1px solid #dee2e6;
        border-radius: 6px;
        padding: 15px;
        margin-bottom: 20px;
    }
    
    .filter-title {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 15px;
        color: #495057;
    }
    
    .btn-filter {
        background-color: #0d6efd;
        color: white;
        border: none;
        border-radius: 4px;
        padding: 5px !important;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        transition: all 0.3s;
    }
    
    .btn-filter:hover {
        background-color: #0b5ed7;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    
    .form-control:focus {
        border-color: #0d6efd;
        box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    }
    
    /* Pagination styling */
    .pagination {
        display: flex;
        padding-left: 0;
        list-style: none;
        border-radius: 0.25rem;
    }
    
    .pagination .page-item .page-link {
        position: relative;
        display: block;
        padding: 0.5rem 0.75rem;
        margin-left: -1px;
        line-height: 1.25;
        color: #0d6efd;
        background-color: #fff;
        border: 1px solid #dee2e6;
    }
    
    .pagination .page-item.active .page-link {
        z-index: 3;
        color: #fff;
        background-color: #0d6efd;
        border-color: #0d6efd;
    }
    
    .pagination .page-item.disabled .page-link {
        color: #6c757d;
        pointer-events: none;
        cursor: auto;
        background-color: #fff;
        border-color: #dee2e6;
    }
    
    .pagination .page-item:first-child .page-link {
        margin-left: 0;
        border-top-left-radius: 0.25rem;
        border-bottom-left-radius: 0.25rem;
    }
    
    .pagination .page-item:last-child .page-link {
        border-top-right-radius: 0.25rem;
        border-bottom-right-radius: 0.25rem;
    }
    
    .pagination .page-link:hover {
        z-index: 2;
        color: #0056b3;
        text-decoration: none;
        background-color: #e9ecef;
        border-color: #dee2e6;
    }
</style>

<div id="main-content">
    <div class="container-fluid">
        <div class="row">
            <div id="region-main" class="content-col col-md-12">
                <div id="page-content">
                    <span class="notifications" id="user-notifications"></span>
                    <div role="main">
                        <span id="maincontent"></span>
                        <div class="">
                            <h2>Danh sách người dùng theo quyền</h2>
                            <div class="message-class">
                                @if(session('success'))
                                    <div class="alert alert-success alert-dismissible" role="alert">
                                        <div id="content_message">{{ session('success') }}</div>
                                        <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                                            <span aria-hidden="true">×</span>
                                        </button>
                                    </div>
                                @endif

                                @if(session('error'))
                                    <div class="alert alert-danger alert-dismissible" role="alert">
                                        <div id="content_message">{{ session('error') }}</div>
                                        <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                                            <span aria-hidden="true">×</span>
                                        </button>
                                    </div>
                                @endif
                            </div>
                            
                            <!-- Search Form -->
                            <div class="filter-container">
                                <div class="filter-title">Bộ lọc</div>
                                <form id="filter-form" action="{{ route('user.index') }}" method="GET">
                                    <div class="row">
                                        <div class="col-md-5">
                                            <div class="form-group">
                                                <input type="email" name="email" class="form-control" placeholder="Email" value="{{ request('email') }}">
                                            </div>
                                        </div>
                                        <div class="col-md-5">
                                            <div class="dropdown-select">
                                                <select name="status" class="form-control">
                                                    <option value="" selected disabled>Trạng thái</option>
                                                    <option value="all" {{ request('status') == 'all' ? 'selected' : '' }}>Tất cả</option>
                                                    <option value="active" {{ request('status') == 'active' ? 'selected' : '' }}>Hoạt động</option>
                                                    <option value="inactive" {{ request('status') == 'inactive' ? 'selected' : '' }}>Không hoạt động</option>
                                                </select>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <button type="submit" class="btn btn-filter w-100">LỌC</button>
                                        </div>
                                    </div>
                                </form>
                            </div>
                            
                            <!-- Entries selector and total count -->
                            <div class="page-header">
                                <div class="entries-select">
                                    <span class="entries-label">Hiển thị</span>
                                    <select id="entries-select" class="form-control" onchange="changePageSize(this.value)">
                                        <option value="10" {{ request('per_page') == 10 ? 'selected' : '' }}>10</option>
                                        <option value="25" {{ request('per_page') == 25 ? 'selected' : '' }}>25</option>
                                        <option value="50" {{ request('per_page') == 50 ? 'selected' : '' }}>50</option>
                                        <option value="100" {{ request('per_page') == 100 ? 'selected' : '' }}>100</option>
                                    </select>
                                    <span class="entries-label">mục</span>
                                </div>
                                <div class="box-total-item">
                                    Tổng số: <strong>{{ $totalUsers ?? $users->total() }}</strong> người dùng
                                </div>
                            </div>
                            
                            <!-- Users Table -->
                            <div>
                                <table>
                                    <thead>
                                        <tr>
                                            <th>#ID</th>
                                            <th>USER</th>
                                            <th>ROLE</th>
                                            <th>STATUS</th>
                                            <th>ACTIONS</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach ($users as $user)
                                        <tr>
                                            <td>{{ $user->id }}</td>
                                            <td>
                                                <div class="user-info">
                                                    @php
                                                        $initials = strtoupper(substr($user->name, 0, 1));
                                                        $bgColors = ['#3498db', '#e74c3c', '#2ecc71', '#f39c12', '#9b59b6'];
                                                        $colorIndex = $user->id % count($bgColors);
                                                        $bgColor = $bgColors[$colorIndex];
                                                    @endphp
                                                    
                                                    <div class="avatar-circle" style="background-color: {{ $bgColor }}">
                                                        {{ $initials }}
                                                    </div>
                                                    <div class="user-details">
                                                        <span>{{ $user->name }}</span>
                                                        <span class="user-email">{{ $user->email }}</span>
                                                    </div>
                                                </div>
                                            </td>
                                            <td>
                                                @foreach($user->roles->unique() as $role)
                                                    @php
                                                    if($user->id == 7){
                                                        
                                                    }
                                                        $roleClass = strtolower(str_replace(' ', '-', $role->name));
                                                    @endphp
                                                    <span class="badge badge-{{ $roleClass }}">{{ $role->name }}</span>
                                                @endforeach
                                            </td>
                                            <td>
                                                @if($user->status == 'active')
                                                    <span class="status-badge status-active">Active</span>
                                                @else
                                                    <span class="status-badge status-active">Active</span>
                                                    <!-- <span class="status-badge status-inactive">Inactive</span> -->
                                                @endif
                                            </td>
                                            <td>
                                                <a href="#" onclick="showModalEditUser(event, this)" data-user-id="{{ $user->id }}" title="Chỉnh sửa">
                                                    <i class="fa fa-edit action-icon"></i>
                                                </a>
                                            </td>
                                        </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                            
                            <!-- Pagination -->
                            <div class="pagination-container">
                                {{ $users->appends(request()->except('page'))->links() }}
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Modals from original code -->
<div class="modal fade" id="modal_more_info_classes" tabindex="-1" aria-labelledby="modal_more_info_classes_label" aria-modal="true" role="dialog">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modal_more_info_classes_label">Lớp của <b><span class="user-name"></span></b></h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span>
                </button>
            </div>
            <div class="modal-body">
                <span class="class-names"></span>
            </div>
            <div class="modal-footer">
                <button class="btn btn-primary" data-dismiss="modal">Đóng</button>
            </div>
        </div>
    </div>
</div>

<div class="modal fade" id="modal_upsert_user" tabindex="-1" aria-labelledby="modal_upsert_user_label" aria-modal="true" role="dialog">
    <div class="modal-dialog modal-md" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modal_upsert_user_label">Chỉnh sửa người dùng</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span>
                </button>
            </div>
            <div class="modal-body" id="modal_upsert_user_body">
                <form id="info_users">
                    <div class="section-info">
                        <div class="form-group row">
                            <label class="col-sm-12 col-form-label col-form-label-sm"><h6 class="m-0"><b>Thông tin cá nhân</b></h6></label>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Tên <span class="asterisk text-danger">(*)</span></label>
                            <div class="col-sm-8">
                                <input type="text" name="firstname" class="form-control form-control-sm" placeholder="Nhập tên">
                            </div>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Họ <span class="asterisk text-danger">(*)</span></label>
                            <div class="col-sm-8">
                                <input type="text" name="lastname" class="form-control form-control-sm" placeholder="Nhập họ">
                            </div>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Điện thoại</label>
                            <div class="col-sm-8">
                                <input type="text" name="phone2" class="form-control form-control-sm" placeholder="Nhập số điện thoại">
                            </div>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Quốc gia</label>
                            <div class="col-sm-8">
                                <select class="form-control" name="country" id="id_country" data-initial-value="">
                                    <option value="" selected="">Select a country...</option>
                                    @foreach($countryData as $country)
                                        <option value="{{ $country->code }}">{{ $country->name }}</option>
                                    @endforeach
                                </select>
                            </div>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Tỉnh/Thành phố</label>
                            <div class="col-sm-8">
                                <input type="text" name="city" class="form-control form-control-sm" placeholder="Nhập tỉnh/thành phố">
                            </div>
                        </div>
                    </div>

                    <div class="section-info">
                        <div class="form-group row">
                            <label class="col-sm-12 col-form-label col-form-label-sm"><h6 class="m-0"><b>Thông tin tài khoản</b></h6></label>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Tài khoản <span class="asterisk text-danger">(*)</span></label>
                            <div class="col-sm-8">
                                <input type="text" name="username" disabled class="form-control form-control-sm" placeholder="Nhập tên tài khoản">
                            </div>
                        </div>

                        <div class="form-group row">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Email <span class="asterisk text-danger">(*)</span></label>
                            <div class="col-sm-8">
                                <input type="text" name="email" disabled class="form-control form-control-sm" placeholder="Nhập email">
                            </div>
                        </div>

                        <div class="form-group row box-course">
                            <label class="col-sm-4 col-form-label col-form-label-sm">Lớp </label>
                            <div class="col-sm-8">
                                <div class="input-group mb-2 mr-sm-2">
                                    <select name="division_class[]" id="division_class" style="width: 100%;" multiple>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer" style="justify-content: center">
                <button type="button" class="btn btn-primary btn-save-user mr-2" data-action="">Xác nhận</button>
                <button type="button" class="btn btn-secondary ml-2" data-dismiss="modal">Hủy bỏ</button>
            </div>
        </div>
    </div>
</div>

<div class="modal fade" id="removeUserModal" tabindex="-1" role="dialog" aria-labelledby="removeUserModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="removeUserModalLabel">Rút tên người dùng</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span>
                </button>
            </div>
            <div class="modal-body">
                <form action="{{ route('teacher.delete') }}" id="deleteUserForm" method="post">
                    @csrf
                    <input type="hidden" name="user_id" id="user_id">
                    <input type="hidden" name="class_id" id="class_id">
                </form>
                <div style="text-align: center">
                    Bạn có chắc chắn xoá người dùng "<b id="modal_user_name"></b>" ?
                    <br>
                    <div class="text-danger"><strong>Lưu ý:</strong> Xoá xong không thể khôi phục lại được</div>
                </div>
            </div>
            <div class="modal-footer" style="justify-content: center">
                <button type="button" class="btn btn-primary remove-user mr-2" data-user-id="">Xác nhận</button>
                <button type="button" class="btn btn-secondary ml-2" data-dismiss="modal">Hủy bỏ</button>
            </div>
        </div>
    </div>
</div>

<script>
    // Function to change page size
    function changePageSize(size) {
        // Get current URL
        let url = new URL(window.location.href);
        
        // Set the per_page parameter
        url.searchParams.set('per_page', size);
        
        // Redirect to the new URL
        window.location.href = url.toString();
    }

    $(document).ready(function() {
        // Handle click on the "more_info_classes" link
        $('.more_info_classes').on('click', function() {
            // Get the user's name and class names from data attributes
            var userName = $(this).data('fullname');
            var classesName = $(this).data('classes-name');

            // Set the user's name in the modal title
            $('#modal_more_info_classes .user-name').text(userName);

            // Set the list of classes in the modal body
            $('#modal_more_info_classes .class-names').text(classesName);
        });
    });

    $('.btn-save-user').on('click', function () {
        var userMoodleId = $(this).attr('data-userMoodleId');
        var userId = $(this).attr('data-userUserId');

        var userFirstname = $('form#info_users input[name="firstname"]').val().trim();
        var userLastname = $('form#info_users input[name="lastname"]').val().trim();
        var userEmail = $('form#info_users input[name="email"]').val().trim();
        var country = $('form#info_users select[name="country"]').val();
        var city = $('form#info_users input[name="city"]').val().trim();
        var phone2 = $('form#info_users input[name="phone2"]').val().trim();

        // Lấy danh sách course ids từ select
        var classIds = $('#division_class').val();

        // Validate dữ liệu
        var errors = [];

        if (!userFirstname) {
            errors.push('First name is required.');
        }

        if (!userLastname) {
            errors.push('Last name is required.');
        }

        if (!userEmail) {
            errors.push('Email is required.');
        } else if (!validateEmail(userEmail)) {
            errors.push('Invalid email format.');
        }

        // Nếu có lỗi, hiển thị thông báo và dừng việc gửi form
        if (errors.length > 0) {
            alert(errors.join('\n'));
            return;
        }

        // Chuẩn bị form data nếu không có lỗi
        var formData = new FormData();
        formData.append('userMoodleId', userMoodleId);
        formData.append('userId', userId);
        formData.append('firstname', userFirstname);
        formData.append('lastname', userLastname);
        formData.append('email', userEmail);
        formData.append('country', country);
        formData.append('city', city);
        formData.append('phone2', phone2);
        // Thêm các course ids vào formData
        classIds.forEach(function(classId) {
            formData.append('class_ids_user[]', classId);
        });

        $.ajax({
            url: '/api/user/update',
            type: 'POST',
            data: formData,
            contentType: false,
            processData: false,
            success: function (response) {
                if(response.status){
                    location.reload();
                } else {
                    alert(response.message);
                }
            },
            error: function (xhr, status, error) {
                console.error('Error uploading avatar:', error);
            }
        });
    });

    function validateEmail(email) {
        var emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
        return emailRegex.test(email);
    }

    function showModalEditUser(event, button) {
        event.preventDefault(); // Ngăn chặn load lại trang

        $('#modal_upsert_user').modal('show');

        // Reset tất cả các input
        $('form#info_users input').val('');
        
        // Reset select về giá trị mặc định
        $('form#info_users select').val(null).trigger('change');
        
        // Xóa các option cũ trong select class
        $('#division_class').empty().trigger('change');

        const userId = $(button).attr('data-user-id');
        $.ajax({
            url: '/api/user/detail',
            type: 'GET',
            data: {
                'userId': userId
            },
            success: function(response) {
                var userData = response.data;
                console.log(userData);
                if (userData) {
                    var userMoodleId = userData.moodleData.id;
                    var userFirstname = userData.moodleData.firstname;
                    var userLastname = userData.moodleData.lastname;
                    var userEmail = userData.moodleData.email;
                    var userName = userData.moodleData.username;
                    var country = userData.moodleData.country;
                    var city = userData.moodleData.city ?? '';
                    var phone2 = userData.moodleData.phone2 ?? '';
                    var allClasses = userData.allClasses;
                    var selectedClassIds = userData.enrolledClassIds ?? [];

                    // Gán giá trị vào các trường input
                    $('form#info_users input[name="firstname"]').val(userFirstname);
                    $('form#info_users input[name="lastname"]').val(userLastname);
                    $('form#info_users input[name="email"]').val(userEmail);
                    $('form#info_users input[name="phone2"]').val(phone2);
                    $('form#info_users input[name="city"]').val(city);
                    $('form#info_users input[name="username"]').val(userName);

                    $('.btn-save-user').attr('data-userMoodleId', userMoodleId);
                    $('.btn-save-user').attr('data-userUserId', userData.userInfo.id);

                    // Gán giá trị vào select country
                    $('form#info_users select[name="country"]').val(country).trigger('change');

                    var classSelect = $('#division_class');
                    classSelect.empty(); // Xóa các option cũ
                    allClasses.forEach(function(classes) {
                        var isSelected = selectedClassIds.includes(classes.id) ? 'selected' : '';
                        classSelect.append(
                            `<option value="${classes.id}" ${isSelected}>${classes.name}</option>`
                        );
                    });
                    classSelect.trigger('change');
                }
            },
            error: function(err) {
                console.log(err);
            }
        });
    }


    $('#division_class').select2({
        placeholder: "-- Nhập tên lớp --",
        allowClear: true,
        tags: true
    });

    $('#filter-user').select2({
        placeholder: "-- Nhập thông tin người dùng --",
        allowClear: true,
        minimumInputLength: 2,
        ajax: {
            url: '/api/class/teacher/search',
            dataType: 'json',
            delay: 250,
            data: function (params) {
                return {
                    searchTerm: params.term,
                };
            },
            processResults: function (data) {
                var results = $.map(data, function (teacher) {
                    return {
                        id: teacher.id,
                        text: teacher.name + '(' + teacher.email + ')'
                    };
                });

                return {
                    results: results
                };
            },
            cache: true
        }
    });

    function showModalDeleteUser(button) {
        const classId = $(button).attr('data-class-id');
        const userId = $(button).attr('data-user-id');
        const userName = $(button).attr('data-user-name');
        
        $('#removeUserModal #modal_user_name').text(userName);
        $('#removeUserModal #class_id').val(classId);
        $('#removeUserModal #user_id').val(userId);
        $('#removeUserModal').modal('show');
    }

    $('.remove-user').on('click', function() {
        $('#deleteUserForm').submit();
    });
</script>
@endsection