@include('admin.include.header')
@include('admin.include.sidebar')

<style>
    .icon-btn {
        background: transparent;
        border: none;
        padding: 0;
        margin-right: 6px;
        cursor: pointer;
    }

    .icon-btn i {
        color: #000000;
        font-size: 15px;
    }

    .icon-btn i.fa-trash {
        color: #dc3545;
    }

    .icon-btn:hover {
        background: transparent;
        opacity: 0.8;
    }

    .kpi-card {
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        padding: 1rem 1.25rem;
        margin-bottom: 1rem;
        border: none;
    }
    .kpi-card.kpi-light-primary { background: #64b5f6; }
    .kpi-card.kpi-light-success { background: #81c784; }
    .kpi-card.kpi-light-primary .kpi-label,
    .kpi-card.kpi-light-success .kpi-label { color: rgba(0, 0, 0, 0.75); }
    .kpi-card.kpi-light-primary .kpi-value { color: #0d47a1; font-size: 1.5rem; font-weight: 700; }
    .kpi-card.kpi-light-success .kpi-value { color: #1b5e20; font-size: 1.5rem; font-weight: 700; }
    .kpi-label { font-size: 0.85rem; margin-bottom: 0.25rem; }
    .swal-icon-center {
        margin-left: auto !important;
        margin-right: auto !important;
    }
</style>

<div class="d-flex flex-row flex-column-fluid px-10">
    <div class="main d-flex flex-column flex-row-fluid">
        <div class="content flex-column-fluid" id="kt_content">

            <div class="card card-custom gutter-b">

                <div id="card_message"></div>

                <div class="card-header border-0 pt-6 pb-0 d-flex justify-content-between align-items-center">
                    <div class="card-title mb-0">
                        <h3 class="card-label mb-0">Maintenance & Costing</h3>
                    </div>
                    <div class="card-toolbar">
                        <button type="button" class="btn btn-dark" data-toggle="modal" data-target="#createMaintenanceModal"
                            id="openCreateMaintenanceBtn">
                            Add Maintenance
                        </button>
                    </div>
                </div>

                <div class="card-body p-5" style="overflow:auto">
                    {{-- Global maintenance KPIs --}}
                    <div class="row mb-4">
                        <div class="col-md-3">
                            <div class="kpi-card kpi-light-primary">
                                <div class="kpi-label">Total Spend (All Time)</div>
                                <div class="kpi-value" id="kpi_maint_lifetime">${{ number_format($lifetimeTotalAll ?? 0, 2) }}</div>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="kpi-card kpi-light-success">
                                <div class="kpi-label">Total Spend (This Month)</div>
                                <div class="kpi-value" id="kpi_maint_this_month">${{ number_format($thisMonthTotalAll ?? 0, 2) }}</div>
                            </div>
                        </div>
                    </div>

                    {{-- Filters for latest-per-vehicle table --}}
                    <div class="row mb-3">
                        <div class="col-md-3">
                            <label>Date From</label>
                            <input type="date" id="main_filter_date_from" class="form-control form-control-sm">
                        </div>
                        <div class="col-md-3">
                            <label>Date To</label>
                            <input type="date" id="main_filter_date_to" class="form-control form-control-sm">
                        </div>
                        <div class="col-md-3">
                            <label>Vehicle Number</label>
                            <select id="main_filter_vehicle_id" class="form-control form-control-sm">
                                <option value="">All</option>
                                @foreach($filterVehicles ?? $vehicles as $vehicle)
                                    <option value="{{ $vehicle->id }}">{{ $vehicle->unit_number }}</option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-3 d-flex align-items-end">
                            <button class="btn btn-sm btn-primary mr-2" id="main_btn_apply_filters">Apply</button>
                            <button class="btn btn-sm btn-secondary" id="main_btn_reset_filters">Reset</button>
                        </div>
                    </div>

                    {{-- Latest maintenance entry per vehicle --}}
                    <table class="table table-bordered" id="maintenance_table" style="width:100%"></table>
                </div>

            </div>
        </div>
    </div>
</div>
<!-- Create Maintenance Modal -->
<div class="modal fade" id="createMaintenanceModal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-lg" role="document">
        <div class="modal-content">
            <form id="createMaintenanceForm" enctype="multipart/form-data">
                @csrf
                <input type="hidden" name="inspection_id" value="{{ $prefill['inspection_id'] ?? '' }}">
                <input type="hidden" name="inspection_answer_id" value="{{ $prefill['inspection_answer_id'] ?? '' }}">
                <div class="modal-header">
                    <h5 class="modal-title">Add Maintenance</h5>
                    <button type="button" class="close" data-dismiss="modal">
                        <span>&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label>Vehicle *</label>
                            <select name="vehicle_id" class="form-control" required id="create_vehicle_id">
                                <option value="">Select vehicle</option>
                                @foreach($vehicles as $vehicle)
                                    <option value="{{ $vehicle->id }}"
                                        @if(($prefill['vehicle_id'] ?? '') == $vehicle->id) selected @endif>
                                        {{ $vehicle->unit_number }} ({{ $vehicle->vin }})@if(($vehicle->status ?? '') !== 'active') — {{ ucfirst($vehicle->status ?? '') }}@endif
                                    </option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label>Maintenance Type *</label>
                            <input type="text" name="maintenance_type" class="form-control" placeholder="e.g. Brakes, Tires" required>
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Description of Work *</label>
                            <textarea name="description" class="form-control" rows="3" required
                                placeholder="Describe the issue and work performed">@if(!empty($prefill['issue']))From inspection #{{ $prefill['inspection_id'] }}: {{ $prefill['issue'] }}@endif</textarea>
                        </div>

                        @if(isset($linkedAnswer) && $linkedAnswer)
                            <div class="col-md-12 mb-3">
                                <label>Linked Inspection Photos</label>
                                <div>
                                    @if(!empty($linkedAnswer->photo_paths) && is_array($linkedAnswer->photo_paths))
                                        @foreach(array_slice($linkedAnswer->photo_paths, 0, 4) as $path)
                                            <a href="{{ asset('storage/' . $path) }}" target="_blank" class="d-inline-block mr-1 mb-1">
                                                <img src="{{ asset('storage/' . $path) }}" alt="Photo" class="img-thumbnail" style="max-height:50px;">
                                            </a>
                                        @endforeach
                                        @if(count($linkedAnswer->photo_paths) > 4)
                                            <small class="d-block text-muted">+{{ count($linkedAnswer->photo_paths) - 4 }} more photo(s) in inspection.</small>
                                        @endif
                                    @else
                                        <p class="text-muted mb-0">No photos were attached to this inspection question.</p>
                                    @endif
                                </div>
                            </div>
                        @endif
                        <div class="col-md-4 mb-3">
                            <label>Date Performed *</label>
                            <input type="date" name="date_performed" class="form-control" required value="{{ now()->toDateString() }}">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Parts Cost</label>
                            <input type="number" name="parts_cost" id="create_parts_cost" step="0.01" min="0" class="form-control" value="0">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Labor Cost</label>
                            <input type="number" name="labor_cost" id="create_labor_cost" step="0.01" min="0" class="form-control" value="0">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Total Cost</label>
                            <input type="number" id="create_total_cost" class="form-control" readonly>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Vendor Name</label>
                            <input type="text" name="vendor_name" class="form-control" placeholder="Optional vendor">
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Attachments (Invoices, Photos, PDFs)</label>
                            <input type="file" name="attachments[]" class="form-control" multiple>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="submit" class="btn btn-dark">Save</button>
                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                </div>
            </form>
        </div>
    </div>
</div>
<!-- Edit Maintenance Modal -->
<div class="modal fade" id="editMaintenanceModal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-lg" role="document">
        <div class="modal-content">
            <form id="editMaintenanceForm" enctype="multipart/form-data">
                @csrf
                <input type="hidden" id="edit_id">
                <div class="modal-header">
                    <h5 class="modal-title">Edit Maintenance</h5>
                    <button type="button" class="close" data-dismiss="modal">
                        <span>&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label>Vehicle *</label>
                            <select name="vehicle_id" class="form-control" required id="edit_vehicle_id">
                                <option value="">Select vehicle</option>
                                @foreach($vehicles as $vehicle)
                                    <option value="{{ $vehicle->id }}">{{ $vehicle->unit_number }} ({{ $vehicle->vin }})</option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label>Maintenance Type *</label>
                            <input type="text" name="maintenance_type" id="edit_maintenance_type" class="form-control" required>
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Description of Work *</label>
                            <textarea name="description" id="edit_description" class="form-control" rows="3" required></textarea>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Date Performed *</label>
                            <input type="date" name="date_performed" id="edit_date_performed" class="form-control" required>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Parts Cost</label>
                            <input type="number" name="parts_cost" id="edit_parts_cost" step="0.01" min="0" class="form-control" value="0">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Labor Cost</label>
                            <input type="number" name="labor_cost" id="edit_labor_cost" step="0.01" min="0" class="form-control" value="0">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Total Cost</label>
                            <input type="number" id="edit_total_cost" class="form-control" readonly>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Vendor Name</label>
                            <input type="text" name="vendor_name" id="edit_vendor_name" class="form-control">
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Add Attachments</label>
                            <input type="file" name="attachments[]" class="form-control" multiple>
                            <small class="form-text text-muted">Existing attachments remain; new files will be added.</small>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="submit" class="btn btn-dark">Update</button>
                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                </div>
            </form>
        </div>
    </div>
</div>
<!-- Attachments Modal -->
<div class="modal fade" id="attachmentsModal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-lg" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Attachments</h5>
                <button type="button" class="close" data-dismiss="modal">
                    <span>&times;</span>
                </button>
            </div>
            <div class="modal-body" id="attachmentsContainer">
            </div>
        </div>
    </div>
</div>
@include('admin.include.footer')
<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
<script>
    var maintenanceTable;
    function recalcTotal(partsSelector, laborSelector, totalSelector) {
        const parts = parseFloat($(partsSelector).val()) || 0;
        const labor = parseFloat($(laborSelector).val()) || 0;
        $(totalSelector).val((parts + labor).toFixed(2));
    }
    function refreshMaintenanceTotals() {
        $.get("{{ route('maintenance.totals') }}")
            .done(function (data) {
                if (typeof data !== 'object' || data === null) return;
                if (typeof data.lifetime_total_all !== 'undefined') {
                    $('#kpi_maint_lifetime').text('$' + parseFloat(data.lifetime_total_all).toFixed(2));
                }
                if (typeof data.this_month_total_all !== 'undefined') {
                    $('#kpi_maint_this_month').text('$' + parseFloat(data.this_month_total_all).toFixed(2));
                }
            })
            .fail(function () {
            });
    }
    function buildMaintenanceUrl() {
        var params = new URLSearchParams();
        var dateFrom = $('#main_filter_date_from').val();
        var dateTo = $('#main_filter_date_to').val();
        var vehicleId = $('#main_filter_vehicle_id').val();
        if (dateFrom) params.set('date_from', dateFrom);
        if (dateTo) params.set('date_to', dateTo);
        if (vehicleId) params.set('vehicle_id', vehicleId);
        var qs = params.toString();
        return "{{ route('maintenance.data') }}" + (qs ? '?' + qs : '');
    }
    $(document).ready(function() {
        maintenanceTable = $('#maintenance_table').DataTable({
            processing: true,
            serverSide: false,
            ajax: buildMaintenanceUrl(),
            columns: [
                { data: 'id', title: 'ID', visible: false },
                { data: 'vehicle_number', title: 'Vehicle #' },
                { data: 'maintenance_type', title: 'Type' },
                { data: 'description', title: 'Description' },
                { data: 'date_performed', title: 'Date' },
                { data: 'parts_cost', title: 'Parts', render: d => '$' + parseFloat(d).toFixed(2) },
                { data: 'labor_cost', title: 'Labor', render: d => '$' + parseFloat(d).toFixed(2) },
                { data: 'total_cost', title: 'Total', render: d => '$' + parseFloat(d).toFixed(2) },
                { data: 'vendor_name', title: 'Vendor' },
                {
                    data: 'attachments_count',
                    title: 'Attachments',
                    render: function(data, type, row) {
                        if (!data || data === 0) return '—';
                        return `<button class="icon-btn viewAttachmentsBtn" data-id="${row.id}" title="View Attachments">
                                    <i class="fa fa-paperclip"></i> (${data})
                                </button>`;
                    }
                },
                {
                    data: null,
                    title: 'Actions',
                    orderable: false,
                    searchable: false,
                    render: function(data, type, row) {
                        return `
                            <a href="{{ url('maintenance/history') }}/${row.vehicle_id}"
                               class="icon-btn" title="View">
                                <i class="fa fa-eye"></i>
                            </a>
                        `;
                    }
                }
            ]
        });
        $('#create_parts_cost, #create_labor_cost').on('input', function() {
            recalcTotal('#create_parts_cost', '#create_labor_cost', '#create_total_cost');
        });
        $('#edit_parts_cost, #edit_labor_cost').on('input', function() {
            recalcTotal('#edit_parts_cost', '#edit_labor_cost', '#edit_total_cost');
        });
        recalcTotal('#create_parts_cost', '#create_labor_cost', '#create_total_cost');
        @if(!empty($prefill['vehicle_id']) || !empty($prefill['issue']))
            $('#createMaintenanceModal').modal('show');
        @endif
        $('#main_btn_apply_filters').on('click', function() {
            if (maintenanceTable) {
                maintenanceTable.ajax.url(buildMaintenanceUrl()).load();
            }
        });
        $('#main_btn_reset_filters').on('click', function() {
            $('#main_filter_date_from, #main_filter_date_to').val('');
            $('#main_filter_vehicle_id').val('');
            if (maintenanceTable) {
                maintenanceTable.ajax.url("{{ route('maintenance.data') }}").load();
            }
        });
        $('#createMaintenanceForm').submit(function(e) {
            e.preventDefault();
            let formData = new FormData(this);
            $.ajax({
                url: "{{ route('maintenance.store') }}",
                type: 'POST',
                data: formData,
                contentType: false,
                processData: false,
                success: function(response) {
                    $('#createMaintenanceModal').modal('hide');
                    $('#createMaintenanceForm')[0].reset();
                    recalcTotal('#create_parts_cost', '#create_labor_cost', '#create_total_cost');
                    maintenanceTable.ajax.reload();
                    refreshMaintenanceTotals();
                    Swal.fire({
                        icon: 'success',
                        title: 'Saved!',
                        text: response.success,
                        timer: 2000,
                        showConfirmButton: false,
                        customClass: {
                            icon: 'swal-icon-center'
                        }
                    });
                },
                error: function(xhr) {
                    let msg = xhr.responseJSON?.errors
                        ? Object.values(xhr.responseJSON.errors).flat().join('<br>')
                        : (xhr.responseJSON?.message || 'Something went wrong');
                    Swal.fire({
                        icon: 'error',
                        title: 'Error!',
                        html: msg
                    });
                }
            });
        });
        $(document).on('click', '.viewAttachmentsBtn', function() {
            var tr = $(this).closest('tr');
            var row = maintenanceTable.row(tr).data();
            if (!row) {
                Swal.fire({ icon: 'error', title: 'Error', text: 'Could not load row data.' });
                return;
            }
            var urls = row.attachment_urls || [];
            if (!urls.length) {
                Swal.fire({
                    icon: 'info',
                    title: 'Attachments',
                    html: 'No file URLs found. On the server, run <code>php artisan storage:link</code> so files under <code>storage/app/public</code> are reachable.'
                });
                return;
            }
            var html = '<p class="text-muted small mb-3">Open each file in a new tab (PDF, images, etc.).</p><ul class="list-unstyled mb-0">';
            urls.forEach(function(url, i) {
                var name = decodeURIComponent((url.split('/').pop() || '').split('?')[0]) || ('File ' + (i + 1));
                html += '<li class="mb-2"><a href="' + url.replace(/"/g, '&quot;') + '" target="_blank" rel="noopener noreferrer" class="btn btn-sm btn-primary"><i class="fa fa-external-link-alt"></i> ' + $('<div>').text(name).html() + '</a></li>';
            });
            html += '</ul>';
            $('#attachmentsContainer').html(html);
            $('#attachmentsModal').modal('show');
        });
    });
</script>