@extends('layouts.admin')

@section('title', 'New Charging Point Update Requests - EV Charging Network')
@section('breadcrumb_title', 'Update Requests')
@section('breadcrumb_sub_title', 'New Requests')
@section('page_title', 'New Update Requests')

@section('content')
    <div class="min-h-screen bg-gray-50">
        <div class="row mt-4">
            <div class="col-12">
                <div class="card">
                    <!-- Card header -->
                    <div class="card-header">
                        <h5 class="mb-0">New Charging Point Update Requests</h5>
                        <p class="text-sm mb-0">
                            Manage new charging point update requests that are under review.
                        </p>
                    </div>

                    <div class="table-responsive">
                        <table class="table table-flush" id="datatable-search">
                            <thead class="thead-light">
                                <tr>
                                    <th>#</th>
                                    <th>Charging Point</th>
                                    <th>Client</th>
                                    <th>Charger Status</th>
                                    <th>Status</th>
                                    <th>Created At</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody id="update-requests-table-body">
                                <!-- Data will be loaded here via JavaScript -->
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

@section('scripts')
    <!-- DataTables Script -->
    <script src="{{ asset('js/plugins/datatables.js') }}"></script>
    <script>
        $(document).ready(function() {
            let dataTable;
            let currentFilters = {};
            let currentUpdateRequestId = null;
            let updateRequests = []; // Store update requests globally

            // Load initial data
            loadUpdateRequests();
            loadFilterOptions();

            // Filter functionality
            $('#applyFilters').on('click', function() {
                currentFilters = {};

                console.log('Filter values:', {
                    networkId: networkId,
                    powerOutputId: powerOutputId,
                    chargerStatus: chargerStatus
                });

                // Only add filters if they have values
                if (networkId && networkId !== '') {
                    currentFilters.network_id = networkId;
                }

                if (powerOutputId && powerOutputId !== '') {
                    currentFilters.power_output_id = powerOutputId;
                }

                if (chargerStatus && chargerStatus !== '') {
                    currentFilters.charger_status = chargerStatus;
                }

                console.log('Final filters object:', currentFilters);
                loadUpdateRequests();
            });

            $('#clearFilters').on('click', function() {
                currentFilters = {};
                loadUpdateRequests();
            });

            function loadUpdateRequests() {
                console.log('Loading update requests with filters:', currentFilters);
                $.get('{{ route('charging-point-update-requests.get-requests') }}', currentFilters)
                    .done(function(response) {
                        console.log(response);
                        if (response.success) {
                            displayUpdateRequests(response.data);
                            // Only initialize DataTable if it doesn't exist
                            if (!dataTable) {
                                initializeDataTable();
                            }
                        } else {
                            showError('Failed to load update requests');
                        }
                    })
                    .fail(function() {
                        showError('Error loading update requests');
                    });
            }

            function displayUpdateRequests(requests) {
                updateRequests = requests; // Store in global variable
                const tbody = $('#update-requests-table-body');
                tbody.empty();

                console.log('Displaying update requests:', requests.length, 'items');

                if (updateRequests.length === 0) {
                    tbody.html(`
                <tr>
                    <td colspan="10" class="text-center text-muted py-4">
                        <i class="fas fa-edit fa-2x mb-2"></i>
                        <br>
                        No update requests found.
                    </td>
                </tr>
            `);
                    return;
                }

                requests.forEach((updateRequest, index) => {
                    console.log(`Update Request ${index + 1}:`, {
                        id: updateRequest.id,
                        charger_status: updateRequest.charger_status,
                        charger_status_type: typeof updateRequest.charger_status
                    });

                    const row = `
                <tr>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">${index + 1}</td>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">
                        ${updateRequest.charging_point ? 
                            (updateRequest.charging_point.name.length > 25 ? 
                                updateRequest.charging_point.name.substring(0, 25) + '...' : 
                                updateRequest.charging_point.name) : 
                            'N/A'}
                    </td>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">
                        ${updateRequest.client && updateRequest.client ? 
                                updateRequest.client.first_name + ' ' + updateRequest.client.last_name || 'N/A' : 'N/A'}
                    </td>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">
                        ${getChargerStatusDisplay(updateRequest.charger_status)}
                    </td>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">
                        <span class="badge badge-warning">Under Review</span>
                    </td>
                    <td class="text-sm font-weight-normal" style="padding: 0.75rem 1.5rem;">
                        <span style="display:none;">${updateRequest.created_at}</span>
                        ${new Date(updateRequest.created_at).toLocaleDateString()}
                    </td>
                    <td class="text-sm font-weight-normal">
                        <div class="d-flex align-items-center">
                            <i class="fas fa-eye text-info me-3" style="cursor: pointer; font-size: 16px;" 
                                   title="View" onclick="viewUpdateRequest(${updateRequest.id})"></i>
                        </div>
                    </td>
                </tr>
            `;
                    tbody.append(row);
                });
            }

            function initializeDataTable() {
                dataTable = new simpleDatatables.DataTable("#datatable-search", {
                    searchable: true,
                    fixedHeight: true,
                    columns: [{
                            select: 5,
                            sort: "desc"
                        },
                        {
                            select: 6,
                            sortable: false
                        }
                    ]
                });
            }

            function loadFilterOptions() {
                // Load networks
                // $.get('{{ route('networks.list') }}')
                //     .done(function(response) {
                //         if (response.success) {
                //             const networkSelect = $('#network_filter');
                //             response.data.forEach(network => {
                //                 networkSelect.append(`<option value="${network.id}">${network.name}</option>`);
                //             });
                //         }
                //     })
                //     .fail(function() {
                //         console.log('Failed to load networks');
                //     });

                // Load power outputs
                // $.get('{{ route('power-outputs.list') }}')
                //     .done(function(response) {
                //         if (response.success) {
                //             const powerOutputSelect = $('#power_output_filter');
                //             response.data.forEach(powerOutput => {
                //                 powerOutputSelect.append(`<option value="${powerOutput.id}">${powerOutput.name}</option>`);
                //             });
                //         }
                //     })
                //     .fail(function() {
                //         console.log('Failed to load power outputs');
                //     });
            }

            function getChargerStatusDisplay(status) {
                if (status === null || status === undefined) return 'N/A';

                const statusMap = {
                    0: {
                        label: 'Down',
                        class: 'badge-danger'
                    },
                    1: {
                        label: 'Working',
                        class: 'badge-success'
                    },
                    2: {
                        label: 'Limited',
                        class: 'badge-warning'
                    },
                    4: {
                        label: 'Unknown',
                        class: 'badge-secondary'
                    }
                };

                const statusInfo = statusMap[status];
                if (statusInfo) {
                    return `<span class="badge ${statusInfo.class}">${statusInfo.label}</span>`;
                }

                return 'Unknown';
            }

            function showError(message) {
                $('#update-requests-table-body').html(`
            <tr>
                <td colspan="10" class="text-center text-danger py-4">
                    <i class="fas fa-exclamation-triangle fa-2x mb-2"></i>
                    <br>
                    ${message}
                </td>
            </tr>
        `);
            }

            // Global functions
            window.setCurrentUpdateRequest = function(id) {
                currentUpdateRequestId = id;
            };

            window.viewUpdateRequest = function(id) {
                // Get the refNo from the update request data
                const updateRequest = updateRequests.find(req => req.id === id);
                if (updateRequest && updateRequest.ref_no) {
                    const url = '{{ route('charging-point-update-requests.show', ':refNo') }}'.replace(':refNo',
                        updateRequest.ref_no);
                    window.location.href = url;
                } else {
                    showErrorMessage('Update request reference number not found');
                }
            };

            function approveUpdateRequest(id) {
                $.post(`/charging-point-update-requests/${id}/approve`)
                    .done(function(response) {
                        if (response.success) {
                            showSuccessMessage(response.message);
                            loadUpdateRequests();
                        } else {
                            showErrorMessage(response.message);
                        }
                    })
                    .fail(function() {
                        showErrorMessage('Failed to approve update request');
                    });
            }

            function applyUpdateRequest(id) {
                $.post(`/charging-point-update-requests/${id}/apply`)
                    .done(function(response) {
                        if (response.success) {
                            showSuccessMessage(response.message);
                            loadUpdateRequests();
                        } else {
                            showErrorMessage(response.message);
                        }
                    })
                    .fail(function() {
                        showErrorMessage('Failed to apply update request');
                    });
            }

            function rejectUpdateRequest(id) {
                $.post(`/charging-point-update-requests/${id}/reject`)
                    .done(function(response) {
                        if (response.success) {
                            showSuccessMessage(response.message);
                            loadUpdateRequests();
                        } else {
                            showErrorMessage(response.message);
                        }
                    })
                    .fail(function() {
                        showErrorMessage('Failed to reject update request');
                    });
            }

            function showSuccessMessage(message) {
                // You can implement a toast notification here
                alert('Success: ' + message);
            }

            function showErrorMessage(message) {
                // You can implement a toast notification here
                alert('Error: ' + message);
            }
        });
    </script>
@endsection