@extends('backend.master')
@section('title', 'For Reviewers Guidelines')

@section('backend_content')
    <link rel="stylesheet" href="https://cdn.datatables.net/1.13.6/css/dataTables.bootstrap4.min.css">
    <!-- CKEditor CDN -->
    <script src="https://cdn.ckeditor.com/ckeditor5/39.0.1/classic/ckeditor.js"></script>

    <style>
        #reviewerTable .btn i.feather {
            width: 18px !important;
            height: 18px !important;
        }

        #reviewerTable .btn {
            padding: 5px 8px !important;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .ck-editor__editable_inline {
            min-height: 250px;
        }
    </style>

    <div class="container-fluid">
        <div class="row page-title clearfix">
            <div class="page-title-left">
                <h6 class="page-title-heading mr-0 mr-r-5">For Reviewers Guidelines</h6>
            </div>
        </div>
    </div>

    <div class="container-fluid">
        <div class="widget-list">
            <div class="widget-bg">
                <div class="widget-heading widget-heading-border d-flex justify-content-between align-items-center">
                    <h5 class="widget-title">Reviewer Guidelines</h5>
                    @can('create Reviewer')
                        <button class="btn btn-primary btn-sm" onclick="showAddModal()">
                            <i class="feather feather-plus"></i> Add Reviewer
                        </button>
                    @endcan
                </div>
                <div class="widget-body table-responsive">
                    <table id="reviewerTable" class="table table-striped table-bordered text-center w-100 align-middle">
                        <thead>
                            <tr>
                                <th>#</th>
                                <th>Serial</th>
                                <th>Title</th>
                                <th>Status</th>
                                <th>Action</th>
                            </tr>
                        </thead>
                        <tbody></tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>

    <!-- Add/Edit Modal -->
    <div class="modal fade" id="reviewerModal" tabindex="-1">
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="modalTitle">Add Guideline</h5>
                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                </div>
                <form id="reviewerForm">
                    @csrf
                    <div class="modal-body">
                        <input type="hidden" id="reviewer_id" name="reviewer_id">

                        <div class="row">
                            <div class="col-md-8">
                                <div class="form-group">
                                    <label>Title</label>
                                    <input type="text" class="form-control" id="title" name="title" required>
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label>Serial Number</label>
                                    <input type="number" class="form-control" id="serial" name="serial" value="0" required>
                                </div>
                            </div>
                        </div>

                        <div class="form-group mt-3">
                            <label>Description</label>
                            <textarea id="description" name="description" class="form-control"></textarea>
                        </div>

                        <div class="form-group mt-3">
                            <label class="d-block">Status</label>
                            <input type="hidden" name="status" value="0">
                            <div class="custom-control custom-switch custom-control-inline">
                                <input type="checkbox" class="custom-control-input" id="statusToggle" name="status"
                                    value="1" checked>
                                <label class="custom-control-label" for="statusToggle">Active</label>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="submit" class="btn btn-primary" id="saveBtn">Save changes</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <!-- Delete Modal -->
    <div class="modal fade" id="deleteModal" tabindex="-1">
        <div class="modal-dialog modal-sm modal-dialog-centered">
            <div class="modal-content text-center">
                <div class="modal-body pt-4">
                    <i class="feather feather-alert-circle text-danger mb-3" style="font-size: 50px;"></i>
                    <h4>Are you sure?</h4><input type="hidden" id="delete_id">
                </div>
                <div class="modal-footer justify-content-center">
                    <button class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                    <button class="btn btn-danger" id="confirmDeleteBtn">Delete</button>
                </div>
            </div>
        </div>
    </div>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/dataTables.bootstrap4.min.js"></script>

    <script>
        $.ajaxSetup({ headers: { 'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content') } });

        // Initialize CKEditor
        let editorInstance;
        ClassicEditor
            .create(document.querySelector('#description'))
            .then(editor => {
                editorInstance = editor;
            })
            .catch(error => {
                console.error(error);
            });

        // Initialize DataTable
        var table = $('#reviewerTable').DataTable({
            processing: true,
            serverSide: true,
            ajax: "{{ route('admin.reviewers.fetch') }}",
            columns: [
                { data: 'DT_RowIndex', name: 'DT_RowIndex', orderable: false },
                { data: 'serial', name: 'serial' },
                { data: 'title', name: 'title' },
                { data: 'status', name: 'status', orderable: false },
                { data: 'action', name: 'action', orderable: false }
            ],
            drawCallback: function () { if (typeof feather !== 'undefined') feather.replace(); }
        });

        function fetchTable() { table.ajax.reload(null, false); }

        function showAddModal() {
            $('#reviewerForm')[0].reset();
            $('#reviewer_id').val('');
            $('#serial').val(0);
            $('#statusToggle').prop('checked', true);
            editorInstance.setData(''); // Clear CKEditor
            $('#modalTitle').text('Add Guideline');
            $('#reviewerModal').modal('show');
        }

        function editReviewer(id) {
            $.get("/admin/reviewers/" + id + "/edit", function (res) {
                $('#modalTitle').text('Edit Guideline');
                $('#reviewer_id').val(res.reviewer.id);
                $('#title').val(res.reviewer.title);
                $('#serial').val(res.reviewer.serial);

                // Populate CKEditor with database content
                editorInstance.setData(res.reviewer.description || '');

                $('#statusToggle').prop('checked', res.reviewer.status == '1');
                $('#reviewerModal').modal('show');
            });
        }

        $('#reviewerForm').submit(function (e) {
            e.preventDefault();

            // Sync CKEditor data to the hidden textarea before submitting
            $('#description').val(editorInstance.getData());

            let btn = $('#saveBtn');
            let originalText = btn.html();
            btn.html('<i class="feather feather-loader fa-spin"></i> Saving...').prop('disabled', true);

            $.ajax({
                type: "POST",
                url: "{{ route('admin.reviewers.store') }}",
                data: new FormData(this),
                contentType: false,
                processData: false,
                success: function (res) {
                    $('#reviewerModal').modal('hide');
                    btn.html(originalText).prop('disabled', false);
                    fetchTable();
                    toastr.success(res.success);
                },
                error: function (xhr) {
                    btn.html(originalText).prop('disabled', false);
                    if (xhr.status === 422) {
                        let errors = xhr.responseJSON.errors;
                        if (errors.title) toastr.error(errors.title[0]);
                        if (errors.serial) toastr.error(errors.serial[0]);
                    } else {
                        toastr.error("An error occurred.");
                    }
                }
            });
        });

        function confirmDelete(id) { $('#delete_id').val(id); $('#deleteModal').modal('show'); }
        $('#confirmDeleteBtn').click(function () {
            $.ajax({
                type: "DELETE", url: "/admin/reviewers/" + $('#delete_id').val(),
                success: function (res) { $('#deleteModal').modal('hide'); fetchTable(); toastr.success(res.success); }
            });
        });
    </script>
@endsection