@extends(resolve_layout())

@section('content')
    
    <!-- Main content-->
    <section class="content">
        <div class="container-fluid">
            <div class="row">
                <div class="col-lg-12">
                    <div class="view-header">
                        <div class="header-icon">
                            <i class="pe page-header-icon pe-7s-id"></i>
                        </div>
                        <div class="header-title">
                            <h3>{{ $group->name }}</h3>
                            <small>
                                Group Contacts
                            </small>
                        </div>
                    </div>
                    <hr>
                </div>
            </div>
            <div id="page-alert"></div>
            <a href="{{ route('web.bulk.groups') }}" class="btn btn-default"><i class="fa fa-arrow-left"></i>&nbsp;&nbsp;Back to Groups</a>
            <button type="submit" class="btn btn-default" data-toggle="modal" data-target="#add-modal"><span class="pe-7s-add-user"></span>&nbsp;&nbsp;Add Contact</button>
            <button type="submit" class="btn btn-default" data-toggle="modal" data-target="#import-modal"><i class="fa fa-upload"></i>&nbsp;&nbsp;Import CSV</button>
            <button type="submit" class="btn btn-danger" id="btn-bulk-delete" disabled><i class="fa fa-trash-o"></i>&nbsp;&nbsp;Delete Selected</button>
            <hr>
            <input type="hidden" id="group-id" value="{{ $group->id }}">
            <div class="row">
                <div class="col-md-12">
                    <div class="panel panel-filled">
                        <div class="panel-body">
                            <table id="maintable" class="table table-striped table-hover table-responsive-sm">
                                <thead>
                                <tr>
                                    <th><input type="checkbox" id="select-all"></th>
                                    <th>Number</th>
                                    <th>Name</th>
                                    <th>Action</th>
                                </tr>
                                </thead>
                                <tbody></tbody>
                            </table>
                            
                            <!-- Add modal -->
                            <div class="modal fade" id="add-modal" role="dialog" aria-hidden="true" style="display: none;">
                                <div class="loader"><div class="loader-bar"></div></div>
                                <div class="modal-dialog">
                                    <div class="modal-content">
                                        <div class="modal-header text-center">
                                            <h4 class="modal-title">Add Contact</h4>
                                        </div>
                                        <div class="modal-body">
                                            <div class="modal-alert"></div>
                                            <form id="frm-add">
                                                <div class="form-group">
                                                    <label for="add-name">Name <span class="text-danger">*</span></label>
                                                    <input type="text" id="add-name" class="form-control" name="name">
                                                </div>
                                                <div class="form-group">
                                                    <label for="add-number">Number <span class="text-danger">*</span></label>
                                                    <input type="text" id="add-number" class="form-control" name="number" required>
                                                </div>
                                                <input type="hidden" name="group_id" value="{{ $group->id }}">
                                            </form>
                                        </div>
                                        <div class="modal-footer">
                                            <button type="submit" class="btn btn-default btn-add">Add</button>
                                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- Edit modal -->
                            <div class="modal fade" id="edit-modal" tabindex="-1" role="dialog" aria-hidden="true" style="display: none;">
                                <div class="loader"><div class="loader-bar"></div></div>
                                <div class="modal-dialog">
                                    <div class="modal-content">
                                        <div class="modal-header text-center">
                                            <h4 class="modal-title">Edit Contact</h4>
                                        </div>
                                        <div class="modal-body">
                                            <div class="modal-alert"></div>
                                            <form id="frm-edit">
                                                <div class="form-group">
                                                    <label for="edit-name">Name</label>
                                                    <input type="text" id="edit-name" class="form-control" name="name">
                                                </div>
                                                <div class="form-group">
                                                    <label for="edit-number">Number</label>
                                                    <input type="text" id="edit-number" class="form-control" name="number" required>
                                                </div>
                                                <input type="hidden" id="edit-contact-id" name="contact_id" value="">
                                            </form>
                                        </div>
                                        <div class="modal-footer">
                                            <button type="button" class="btn btn-default btn-edit">Save</button>
                                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- Import modal -->
                            <div class="modal fade" id="import-modal" tabindex="-1" role="dialog" aria-hidden="true" style="display: none;">
                                <div class="loader"><div class="loader-bar"></div></div>
                                <div class="modal-dialog">
                                    <div class="modal-content">
                                        <div class="modal-header text-center">
                                            <h4 class="modal-title">Import Contacts from CSV</h4>
                                        </div>
                                        <div class="modal-body">
                                            <div class="modal-alert"></div>
                                            <p class="text-muted">CSV format: <code>number,name</code> (one contact per line). A header row is optional.</p>
                                            <form id="frm-import" enctype="multipart/form-data">
                                                <div class="form-group">
                                                    <label for="import-file">CSV File <span class="text-danger">*</span></label>
                                                    <input type="file" id="import-file" name="file" class="form-control" accept=".csv,.txt" required>
                                                </div>
                                            </form>
                                        </div>
                                        <div class="modal-footer">
                                            <button type="submit" class="btn btn-default btn-import">Import</button>
                                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- Delete modal (single) -->
                            <div class="modal fade" id="delete-modal" tabindex="-1" role="dialog" aria-hidden="true" style="display: none;">
                                <div class="loader"><div class="loader-bar"></div></div>
                                <div class="modal-dialog">
                                    <div class="modal-content">
                                        <div class="modal-header text-center">
                                            <h4 class="modal-title">Delete Contact</h4>
                                        </div>
                                        <div class="modal-body text-center">
                                            <div class="modal-alert text-left"></div>
                                            <p>Are you sure you want to delete <b id="delete-contact-number"></b>?</p>
                                            <input type="hidden" id="delete-contact-id" value="">
                                        </div>
                                        <div class="modal-footer">
                                            <button type="button" class="btn btn-danger" id="btn-delete">Delete</button>
                                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>
    <!-- End main content-->
    
    <script>
        // target = jQuery selector string of the container to show the alert in
        // (e.g. inside a modal's .modal-body, or a page-level '#page-alert' div).
        function showNotify(target, type, message) {
            const bg = type === 'success' ? '#2ecc71' : (type === 'error' ? '#e74c3c' : '#3498db');
            const $target = $(target);
            $target.find('.inline-notify').remove();
            const html = '<div class="inline-notify" style="background:' + bg + ';color:#fff;padding:10px 34px 10px 14px;border-radius:4px;margin-bottom:15px;font-size:14px;position:relative;line-height:1.4;">'
                + message
                + '</div>';
            $target.prepend(html);
            if (type === 'success') {
                setTimeout(function () {
                    $target.find('.inline-notify').fadeOut(400, function () { $(this).remove(); });
                }, 4000);
            }
        }

        const groupId = $('#group-id').val();
        const apiToken = "{{ auth()->user()->api_token }}";

        function loadContacts() {
            $.ajax({
                url: "{{ route('api.bulk.contacts.list') }}?api_token=" + apiToken + "&group_id=" + groupId,
                headers: { 'Authorization': `Bearer ${apiToken}` },
                success: function (data) {
                    let rows = '';
                    data.forEach(function (c) {
                        rows += `<tr>
                            <td><input type="checkbox" class="row-check" value="${c.id}"></td>
                            <td>${c.number}</td>
                            <td>${c.name ?? ''}</td>
                            <td>
                                <button class="btn btn-xs btn-default btn-edit-open" data-toggle="modal" data-target="#edit-modal" data-id="${c.id}" data-number="${c.number}" data-name="${c.name ?? ''}"><i class="fa fa-paste"></i> Edit</button>
                                <button class="btn btn-xs btn-default btn-delete-open" data-toggle="modal" data-target="#delete-modal" data-id="${c.id}" data-number="${c.number}"><i class="fa fa-trash-o"></i> Delete</button>
                            </td>
                        </tr>`;
                    });
                    $('#maintable tbody').html(rows);
                }
            });
        }

        $(document).ready(function () {
            loadContacts();

            $('#select-all').on('change', function () {
                $('.row-check').prop('checked', $(this).is(':checked'));
                toggleBulkDeleteBtn();
            });

            $(document).on('change', '.row-check', toggleBulkDeleteBtn);

            function toggleBulkDeleteBtn() {
                $('#btn-bulk-delete').prop('disabled', $('.row-check:checked').length === 0);
            }

            $('#add-modal').on('show.bs.modal', function () {
                this.querySelector('form').reset();
                $('#add-modal .modal-alert').empty();
            });

            $('#import-modal').on('show.bs.modal', function () {
                $('#import-modal .modal-alert').empty();
            });

            $(document).on('click', '.btn-edit-open', function () {
                $('#edit-contact-id').val($(this).data('id'));
                $('#edit-number').val($(this).data('number'));
                $('#edit-name').val($(this).data('name'));
                $('#edit-modal .modal-alert').empty();
            });

            $(document).on('click', '.btn-delete-open', function () {
                $('#delete-contact-id').val($(this).data('id'));
                $('#delete-contact-number').text($(this).data('number'));
                $('#delete-modal .modal-alert').empty();
            });

            $('.btn-add').click(function () {
                const frm = $('#frm-add');
                overlay = $('<div></div>').prependTo('body').attr('id', 'overlay');
                $('#add-modal').toggleClass('ld-loading');

                $.ajax({
                    type: "POST",
                    url: "{{ route('api.bulk.contacts.add') }}?api_token=" + apiToken,
                    headers: { 'Authorization': `Bearer ${apiToken}` },
                    data: frm.serialize(),
                    success: function () {
                        overlay.remove();
                        $('#add-modal').toggleClass('ld-loading');
                        $('#add-modal').modal('hide');
                        showNotify('#page-alert', 'success', 'Contact added!');
                        loadContacts();
                    },
                    error: function (jqXHR) {
                        overlay.remove();
                        $('#add-modal').toggleClass('ld-loading');
                        showNotify('#add-modal .modal-body', 'error', jqXHR.responseJSON.message);
                    }
                });
            });

            $('.btn-edit').click(function () {
                const frm = $('#frm-edit');
                overlay = $('<div></div>').prependTo('body').attr('id', 'overlay');
                $('#edit-modal').toggleClass('ld-loading');

                $.ajax({
                    type: "PUT",
                    url: "{{ route('api.bulk.contacts.edit') }}?api_token=" + apiToken,
                    headers: { 'Authorization': `Bearer ${apiToken}` },
                    data: frm.serialize(),
                    success: function () {
                        overlay.remove();
                        $('#edit-modal').toggleClass('ld-loading');
                        $('#edit-modal').modal('hide');
                        showNotify('#page-alert', 'success', 'Contact updated!');
                        loadContacts();
                    },
                    error: function (jqXHR) {
                        overlay.remove();
                        $('#edit-modal').toggleClass('ld-loading');
                        showNotify('#edit-modal .modal-body', 'error', jqXHR.responseJSON.message);
                    }
                });
            });

            $('#btn-delete').click(function () {
                overlay = $('<div></div>').prependTo('body').attr('id', 'overlay');
                $('#delete-modal').toggleClass('ld-loading');

                $.ajax({
                    type: "DELETE",
                    url: "{{ route('api.bulk.contacts.delete') }}?api_token=" + apiToken,
                    headers: { 'Authorization': `Bearer ${apiToken}` },
                    data: { contact_id: $('#delete-contact-id').val() },
                    success: function () {
                        overlay.remove();
                        $('#delete-modal').toggleClass('ld-loading');
                        $('#delete-modal').modal('hide');
                        showNotify('#page-alert', 'success', 'Contact deleted.');
                        loadContacts();
                    },
                    error: function (jqXHR) {
                        overlay.remove();
                        $('#delete-modal').toggleClass('ld-loading');
                        showNotify('#delete-modal .modal-body', 'error', jqXHR.responseJSON.message);
                    }
                });
            });

            $('#btn-bulk-delete').click(function () {
                const ids = $('.row-check:checked').map(function () { return $(this).val(); }).get();
                if (ids.length === 0) return;
                if (!confirm('Delete ' + ids.length + ' selected contact(s)?')) return;

                $.ajax({
                    type: "DELETE",
                    url: "{{ route('api.bulk.contacts.delete') }}?api_token=" + apiToken,
                    headers: { 'Authorization': `Bearer ${apiToken}` },
                    data: { contact_ids: ids },
                    success: function () {
                        showNotify('#page-alert', 'success', 'Selected contacts deleted.');
                        loadContacts();
                    },
                    error: function (jqXHR) {
                        showNotify('#page-alert', 'error', jqXHR.responseJSON.message);
                    }
                });
            });

            $('.btn-import').click(function (e) {
                e.preventDefault();
                const frm = document.getElementById('frm-import');
                const formData = new FormData(frm);
                formData.append('group_id', groupId);

                overlay = $('<div></div>').prependTo('body').attr('id', 'overlay');
                $('#import-modal').toggleClass('ld-loading');

                $.ajax({
                    type: "POST",
                    url: "{{ route('api.bulk.contacts.import') }}?api_token=" + apiToken,
                    headers: { 'Authorization': `Bearer ${apiToken}` },
                    data: formData,
                    processData: false,
                    contentType: false,
                    success: function (data) {
                        overlay.remove();
                        $('#import-modal').toggleClass('ld-loading');
                        $('#import-modal').modal('hide');

                        let msg = 'Imported: ' + data.imported;
                        if (data.skipped_existing > 0) {
                            msg += ', already in group: ' + data.skipped_existing;
                        }
                        if (data.skipped_duplicate_in_file > 0) {
                            msg += ', duplicates in file: ' + data.skipped_duplicate_in_file;
                        }
                        if (data.skipped_invalid > 0) {
                            msg += ', invalid: ' + data.skipped_invalid;
                        }

                        showNotify('#page-alert', 'success', msg);
                        loadContacts();
                    },
                    error: function (jqXHR) {
                        overlay.remove();
                        $('#import-modal').toggleClass('ld-loading');
                        showNotify('#import-modal .modal-body', 'error', jqXHR.responseJSON.message ?? 'Import failed');
                    }
                });
            });
        });
    </script>
@endsection