@extends('layouts.app')

@section('content')
    <div id="page-container" class="fade page-sidebar-fixed page-header-fixed page-with-wide-sidebar">
        <!-- begin #header -->
        @include('partials.header')
        <!-- end #header -->

        <!-- begin #sidebar -->
        @include('partials.sidebar')
        <!-- end #sidebar -->

        <!-- begin #content -->
        <div id="content" class="content">
            <!-- begin breadcrumb -->
            <ol class="breadcrumb float-xl-right">
                <li class="breadcrumb-item"><a href="javascript:;">Home</a></li>
                <li class="breadcrumb-item active">Google Nest</li>
            </ol>
            <!-- end breadcrumb -->

            <!-- begin page-header -->
            <h1 class="page-header">Google Nest</h1>
            <!-- end page-header -->

            <!-- begin panel -->
            <div class="panel panel-inverse">
                <div class="panel-heading">
                    <div class="panel-heading-btn">
                        <a href="{{ route('google_nests.create') }}" class="btn btn-custom">
                            <i class="fa fa-plus"></i> Add New Google Nest
                        </a>
                    </div>
                </div>

                <div class="panel-body">
                    @if (session('success'))
                        <div class="alert alert-success alert-dismissible fade show alert-session" role="alert">
                            <i class="fa fa-check-circle mr-2"></i>
                            {{ session('success') }}
                            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                                <span aria-hidden="true">&times;</span>
                            </button>
                        </div>
                    @endif

                    @if ($errors->any())
                        <div class="alert alert-danger alert-dismissible fade show alert-session" role="alert">
                            <i class="fa fa-exclamation-triangle mr-2"></i>
                            <ul class="mb-0">
                                @foreach ($errors->all() as $error)
                                    <li>{{ $error }}</li>
                                @endforeach
                            </ul>
                            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                                <span aria-hidden="true">&times;</span>
                            </button>
                        </div>
                    @endif

                    <div class="table-responsive">
                        <table id="data-table-google-nest" class="table table-striped table-bordered">
                            <thead>
                                <tr>
                                    <th width="5%">No</th>
                                    <th width="25%">Text</th>
                                    <th width="15%">WhatsApp Number</th>
                                    <th width="20%">URL Link</th>
                                    <th width="10%">QR Code</th>
                                    <th width="10%">Status</th>
                                    <th width="15%">Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse($googleNests as $googleNest)
                                    <tr>
                                        <td>{{ $loop->iteration + ($googleNests->currentPage() - 1) * $googleNests->perPage() }}
                                        </td>
                                        <td>
                                            <div class="text-truncate" style="max-width: 200px;"
                                                title="{{ $googleNest->text }}">
                                                {{ Str::limit($googleNest->text, 50) }}
                                            </div>
                                        </td>
                                        <td>{{ $googleNest->whatsapp_number }}</td>
                                        <td>
                                            <a href="{{ $googleNest->url_link }}" target="_blank"
                                                class="text-primary text-truncate d-block" style="max-width: 150px;"
                                                title="{{ $googleNest->url_link }}">
                                                {{ Str::limit($googleNest->url_link, 30) }}
                                            </a>
                                        </td>
                                        <td class="text-center">
                                            @if ($googleNest->qr_code_url_full)
                                                <img src="{{ $googleNest->qr_code_url_full }}" alt="QR Code"
                                                    class="img-thumbnail qr-preview"
                                                    style="width: 50px; height: 50px; cursor: pointer;" data-toggle="modal"
                                                    data-target="#qrModal{{ $googleNest->id }}">
                                            @else
                                                <span class="text-muted">No QR</span>
                                            @endif
                                        </td>
                                        <td>
                                            <div class="switcher">
                                                <input type="checkbox" name="active_status"
                                                    id="switcher_checkbox_{{ $googleNest->id }}"
                                                    {{ $googleNest->status === 'active' ? 'checked' : '' }}
                                                    onchange="updateActiveStatus({{ $googleNest->id }}, this.checked)"
                                                    data-google-nest-id="{{ $googleNest->id }}">
                                                <label for="switcher_checkbox_{{ $googleNest->id }}"></label>
                                            </div>
                                        </td>
                                        <td>
                                            <div class="btn-group" role="group">
                                                <a href="{{ route('google_nests.show', $googleNest) }}"
                                                    class="btn btn-info" title="View">
                                                    <i class="fa fa-eye"></i>
                                                </a>
                                                <a href="{{ route('google_nests.edit', $googleNest) }}"
                                                    class="btn btn-custom" title="Edit">
                                                    <i class="fa fa-edit"></i>
                                                </a>
                                                <button type="button" class="btn btn-custom regenerate-qr"
                                                    data-id="{{ $googleNest->id }}" title="Regenerate QR">
                                                    <i class="fa fa-qrcode"></i>
                                                </button>
                                                <button type="button"
                                                    class="btn btn-danger delete-item delete-btn"
                                                    data-id="{{ $googleNest->id }}"
                                                    {{ $googleNest->status === 'active' ? 'disabled style=opacity:.5;cursor:not-allowed;' : '' }}
                                                    title="Delete">
                                                    <i class="fa fa-trash"></i>
                                                </button>
                                            </div>
                                        </td>
                                    </tr>

                                    <!-- QR Code Modal -->
                                    <div class="modal fade" id="qrModal{{ $googleNest->id }}" tabindex="-1"
                                        role="dialog">
                                        <div class="modal-dialog modal-dialog-centered" role="document">
                                            <div class="modal-content">
                                                <div class="modal-header">
                                                    <h5 class="modal-title">QR Code - {{ $googleNest->whatsapp_number }}
                                                    </h5>
                                                    <button type="button" class="close" data-dismiss="modal">
                                                        <span aria-hidden="true">&times;</span>
                                                    </button>
                                                </div>
                                                <div class="modal-body text-center">
                                                    @if ($googleNest->qr_code_url_full)
                                                        <img src="{{ $googleNest->qr_code_url_full }}" alt="QR Code"
                                                            class="img-fluid" style="max-width: 300px;">
                                                        <p class="mt-3 text-muted">
                                                            Scan to open WhatsApp: {{ $googleNest->whatsapp_number }}
                                                        </p>
                                                    @endif
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                @empty
                                    <tr>
                                        <td colspan="7" class="text-center text-muted">
                                            No Google Nest records found.
                                        </td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    <!-- Pagination -->
                    <div class="d-flex justify-content-center">
                        {{ $googleNests->links() }}
                    </div>
                </div>
            </div>
            <!-- end panel -->
        </div>
        <!-- end #content -->

        <!-- begin scroll to top btn -->
        <a href="javascript:;" class="btn btn-icon btn-circle btn-success btn-scroll-to-top fade"
            data-click="scroll-top">
            <i class="fa fa-angle-up"></i>
        </a>
        <!-- end scroll to top btn -->
    </div>

    <!-- Delete Confirmation Modal -->
    <div class="modal fade" id="deleteModal" tabindex="-1" role="dialog">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">Confirm Delete</h5>
                    <button type="button" class="close" data-dismiss="modal">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    <p>Are you sure you want to delete this Google Nest record?</p>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                    <form id="deleteForm" method="POST" style="display: inline;">
                        @csrf
                        @method('DELETE')
                        <button type="submit" class="btn btn-danger">Delete</button>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <style>
        .btn-group .btn {
            margin-right: 2px;
        }

        .table td {
            vertical-align: middle;
        }

        .text-truncate {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .alert-temp {
            animation: slideIn 0.3s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .switcher input[type="checkbox"]:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* Loading state for switchers */
        .switcher.loading {
            opacity: 0.7;
            position: relative;
        }

        .switcher.loading::after {
            content: '';
            position: absolute;
            top: 2px;
            right: 2px;
            width: 8px;
            height: 8px;
            border: 1px solid #ccc;
            border-top-color: #007bff;
            border-radius: 50%;
            animation: spin 0.6s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }
    </style>

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const csrfToken = document.querySelector('meta[name="csrf-token"]').getAttribute('content');
            let activeRequests = new Set();

            let table;

            if ($.fn.DataTable.isDataTable('#data-table-google-nest')) {
                table = $('#data-table-google-nest').DataTable();
            } else {
                table = $('#data-table-google-nest').DataTable({
                    pageLength: 10,
                    lengthMenu: [10, 20, 50, 100, 200],
                });
            }

            const msg = localStorage.getItem('google_nest_success');

            if (msg) {
                showMessage(msg, 'success');
                localStorage.removeItem('google_nest_success');
            }

            // Auto-dismiss session alerts after 3 seconds
            const sessionAlerts = document.querySelectorAll('.alert-session');
            sessionAlerts.forEach(alert => {
                setTimeout(() => {
                    alert.remove();
                }, 3000);
            });

            // Regenerate QR Code
            $(document).on('click', '.regenerate-qr', function (e) {
                e.preventDefault();

                const id = $(this).data('id');
                const button = $(this);
                const originalHtml = button.html();

                const regenerateUrl = "{{ route('google_nests.regenerateQr', ':id') }}".replace(':id', id);

                button.html('<i class="fa fa-spinner fa-spin"></i>').prop('disabled', true);

                $.ajax({
                    url: regenerateUrl,
                    method: 'POST',
                    data: {
                        _token: '{{ csrf_token() }}'
                    },
                    success: function(response) {
                        if (response.success) {
                            showMessage(response.message || 'QR Code regenerated successfully', 'success');
                            setTimeout(() => location.reload(), 800);
                        }
                    },
                    error: function() {
                        showMessage('Failed to regenerate QR code.', 'error');
                    },
                    complete: function() {
                        button.html(originalHtml).prop('disabled', false);
                    }
                });
            });

            // Delete confirmation
            $(document).on('click', '.delete-item', function(e) {
                e.preventDefault();
                const id = $(this).data('id');
                const deleteUrl = "{{ route('google_nests.destroy', ':id') }}".replace(':id', id);
                $('#deleteForm').attr('action', deleteUrl);
                $('#deleteModal').modal('show');
            });
        });

        function updateDeleteButton(id, isActive) {
            const btn = document.querySelector(`.delete-btn[data-id="${id}"]`);
            if (!btn) return;

            if (isActive) {
                btn.disabled = true;
                btn.style.opacity = ".5";
                btn.style.cursor = "not-allowed";
            } else {
                btn.disabled = false;
                btn.style.opacity = "";
                btn.style.cursor = "";
            }
        }

        /**
         * Update active status with proper request handling
         */
        function updateActiveStatus(googleNestId, isActive) {
            const requestKey = `google-nest-${googleNestId}`;
            const activeRequests = window.activeRequests || new Set();

            // Prevent duplicate requests
            if (activeRequests.has(requestKey)) {
                console.log('Request already in progress for Google Nest:', googleNestId);
                return;
            }

            activeRequests.add(requestKey);
            window.activeRequests = activeRequests;

            const checkbox = document.getElementById(`switcher_checkbox_${googleNestId}`);
            const switcherContainer = checkbox.closest('.switcher');

            // Add loading state
            switcherContainer.classList.add('loading');
            checkbox.disabled = true;

            // Build the toggle URL
            const toggleUrl = "{{ route('google_nests.toggleStatus', ':id') }}".replace(':id', googleNestId);

            // Prepare CSRF token
            const csrfToken = document.querySelector('meta[name="csrf-token"]').getAttribute('content');

            // Send AJAX request
            fetch(toggleUrl, {
                    method: 'PATCH',
                    headers: {
                        'Content-Type': 'application/json',
                        'X-CSRF-TOKEN': csrfToken,
                        'Accept': 'application/json'
                    },
                    body: JSON.stringify({})
                })
                .then(response => {
                    if (!response.ok) {
                        return response.json().then(err => {
                            throw new Error(err.message || 'Server error occurred');
                        });
                    }
                    return response.json();
                })
                .then(data => {
                    if (data.success) {
                        showMessage(data.message || 'Status updated successfully', 'success');

                        syncAllGoogleNestSwitches(data.active_id);

                        checkbox.checked = data.new_status === 'active';
                    } else {
                        throw new Error(data.message || 'Unknown error occurred');
                    }
                })
                .catch(error => {
                    console.error('Toggle error:', error);

                    // Revert the checkbox state
                    checkbox.checked = !isActive;

                    // Show error message
                    const errorMessage = error.message || 'An error occurred while updating status';
                    showMessage(errorMessage, 'error');
                })
                .finally(() => {
                    // Remove loading state and re-enable checkbox
                    switcherContainer.classList.remove('loading');
                    checkbox.disabled = false;

                    // Clean up
                    activeRequests.delete(requestKey);
                    window.activeRequests = activeRequests;
                });
        }

        /**
         * Show message to user
         */
        function showMessage(message, type) {
            // Remove any existing temporary alerts
            const existingAlerts = document.querySelectorAll('.alert-temp');
            existingAlerts.forEach(alert => alert.remove());

            // Create new alert
            const alertClass = type === 'success' ? 'alert-success' : 'alert-danger';
            const iconClass = type === 'success' ? 'fa-check-circle' : 'fa-exclamation-triangle';

            const alertHtml = `
                <div class="alert ${alertClass} alert-dismissible fade show alert-temp" role="alert">
                    <i class="fa ${iconClass} mr-2"></i>
                    ${escapeHtml(message)}
                    <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
            `;

            // Insert at the top of panel-body
            const panelBody = document.querySelector('.panel-body');
            if (panelBody) {
                panelBody.insertAdjacentHTML('afterbegin', alertHtml);
            }

            // Auto-dismiss after 3 seconds
            setTimeout(() => {
                const tempAlert = document.querySelector('.alert-temp');
                if (tempAlert) {
                    tempAlert.remove();
                }
            }, 3000);
        }

        function syncAllGoogleNestSwitches(activeId) {

            const table = $('#data-table-google-nest').DataTable();

            table.rows().every(function () {

                const rowNode = this.node();
                const switcher = rowNode.querySelector('input[name="active_status"]');
                if (!switcher) return;

                const id = switcher.dataset.googleNestId;
                const isActive = id == activeId;

                // =========================
                // CHECKBOX
                // =========================
                switcher.checked = isActive;

                // =========================
                // DELETE BUTTON
                // =========================
                const deleteBtn = rowNode.querySelector('.delete-btn');
                if (deleteBtn) {
                    if (isActive) {
                        deleteBtn.disabled = true;
                        deleteBtn.style.opacity = ".5";
                        deleteBtn.style.cursor = "not-allowed";
                    } else {
                        deleteBtn.disabled = false;
                        deleteBtn.style.opacity = "";
                        deleteBtn.style.cursor = "";
                    }
                }

            });
        }

        /**
         * Escape HTML to prevent XSS
         */
        function escapeHtml(unsafe) {
            return unsafe
                .replace(/&/g, "&amp;")
                .replace(/</g, "&lt;")
                .replace(/>/g, "&gt;")
                .replace(/"/g, "&quot;")
                .replace(/'/g, "&#039;");
        }
    </script>
@endsection