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

<style>
    .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; }
    .icon-btn {
        background: transparent;
        border: none;
        padding: 0;
        margin-right: 6px;
        cursor: pointer;
    }
    .icon-btn i { color: #000000; font-size: 15px; }
    .icon-btn:hover { opacity: 0.8; }
</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 class="card-header border-0 pt-6 pb-0">
                    <div class="card-title">
                        <h3 class="card-label">Maintenance History — {{ $vehicle->unit_number }}</h3>
                    </div>
                    <div class="card-toolbar">
                        <a href="{{ route('maintenance.index') }}" class="btn btn-sm btn-light-primary mr-2">
                            <i class="fa fa-arrow-left"></i> Back to Maintenance
                        </a>
                        <a href="{{ route('maintenance.history.export.csv', $vehicle->id) }}" class="btn btn-sm btn-secondary mr-2" target="_blank">
                            <i class="fa fa-file-csv"></i> Export CSV
                        </a>
                        <a href="{{ route('maintenance.history.export.pdf', $vehicle->id) }}" class="btn btn-sm btn-danger mr-2" target="_blank">
                            <i class="fa fa-file-pdf"></i> Export PDF
                        </a>
                        <button type="button" class="btn btn-sm btn-dark" data-toggle="modal" data-target="#historyCreateMaintenanceModal">
                            <i class="fa fa-wrench"></i> Add Maintenance
                        </button>
                    </div>
                </div>
                <div class="card-body">

                    <div class="row mb-4">
                        <div class="col-md-3">
                            <strong>Vehicle #</strong><br>{{ $vehicle->unit_number }}
                        </div>
                        <div class="col-md-3">
                            <strong>VIN</strong><br>{{ $vehicle->vin }}
                        </div>
                        <div class="col-md-3">
                            <strong>Type</strong><br>{{ ucfirst($vehicle->type) }}
                        </div>
                        <div class="col-md-3">
                            <strong>Status</strong><br>{{ ucfirst($vehicle->status) }}
                        </div>
                    </div>

                    <div class="row mb-4">
                        <div class="col-md-3">
                            <div class="kpi-card kpi-light-primary">
                                <div class="kpi-label">Total Spend (Lifetime)</div>
                                <div class="kpi-value">${{ number_format($lifetimeTotal, 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">${{ number_format($thisMonthTotal, 2) }}</div>
                            </div>
                        </div>
                    </div>

                    <div class="row mb-3">
                        <div class="col-md-3">
                            <label>Date From</label>
                            <input type="date" id="filter_date_from" class="form-control form-control-sm">
                        </div>
                        <div class="col-md-3">
                            <label>Date To</label>
                            <input type="date" id="filter_date_to" class="form-control form-control-sm">
                        </div>
                        <div class="col-md-3">
                            <label>Maintenance Type</label>
                            <select id="filter_maintenance_type" class="form-control form-control-sm">
                                <option value="">All</option>
                                @foreach($types as $type)
                                    <option value="{{ $type }}">{{ $type }}</option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-3 d-flex align-items-end">
                            <button class="btn btn-sm btn-primary mr-2" id="btn_apply_filters">Apply</button>
                            <button class="btn btn-sm btn-secondary" id="btn_reset_filters">Reset</button>
                        </div>
                    </div>

                    <div class="table-responsive">
                        <table class="table table-bordered" id="maintenance_history_table" style="width:100%"></table>
                    </div>

                </div>
            </div>

        </div>
    </div>
</div>
<!-- Add Maintenance Modal for this vehicle -->
<div class="modal fade" id="historyCreateMaintenanceModal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-lg" role="document">
        <div class="modal-content">
            <form id="historyCreateMaintenanceForm" enctype="multipart/form-data">
                @csrf
                <input type="hidden" name="vehicle_id" value="{{ $vehicle->id }}">
                <div class="modal-header">
                    <h5 class="modal-title">Add Maintenance for {{ $vehicle->unit_number }}</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>Maintenance Type *</label>
                            <input type="text" name="maintenance_type" class="form-control" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label>Date Performed *</label>
                            <input type="date" name="date_performed" class="form-control" required value="{{ now()->toDateString() }}">
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Description of Work *</label>
                            <textarea name="description" class="form-control" rows="3" required></textarea>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Parts Cost</label>
                            <input type="number" name="parts_cost" id="history_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="history_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="history_create_total_cost" class="form-control" readonly>
                        </div>
                        <div class="col-md-6 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 for this vehicle -->
<div class="modal fade" id="historyEditMaintenanceModal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-lg" role="document">
        <div class="modal-content">
            <form id="historyEditMaintenanceForm" enctype="multipart/form-data">
                @csrf
                <input type="hidden" id="history_edit_id">
                <input type="hidden" name="vehicle_id" value="{{ $vehicle->id }}">
                <div class="modal-header">
                    <h5 class="modal-title">Edit Maintenance for {{ $vehicle->unit_number }}</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>Maintenance Type *</label>
                            <input type="text" name="maintenance_type" id="history_edit_maintenance_type" class="form-control" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label>Date Performed *</label>
                            <input type="date" name="date_performed" id="history_edit_date_performed" class="form-control" required>
                        </div>
                        <div class="col-md-12 mb-3">
                            <label>Description of Work *</label>
                            <textarea name="description" id="history_edit_description" class="form-control" rows="3" required></textarea>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label>Parts Cost</label>
                            <input type="number" name="parts_cost" id="history_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="history_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="history_edit_total_cost" class="form-control" readonly>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label>Vendor Name</label>
                            <input type="text" name="vendor_name" id="history_edit_vendor_name" class="form-control" placeholder="Optional vendor">
                        </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="historyAttachmentsModal" 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="historyAttachmentsContainer"></div>
        </div>
    </div>
</div>

@include('admin.include.footer')

<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
<script>
    var historyTable;

    function buildHistoryUrl() {
        var params = new URLSearchParams();
        var dateFrom = $('#filter_date_from').val();
        var dateTo = $('#filter_date_to').val();
        var type = $('#filter_maintenance_type').val();
        if (dateFrom) params.set('date_from', dateFrom);
        if (dateTo) params.set('date_to', dateTo);
        if (type) params.set('maintenance_type', type);
        var qs = params.toString();
        return "{{ route('maintenance.history.data', $vehicle->id) }}" + (qs ? '?' + qs : '');
    }

    function recalcHistoryTotal() {
        var parts = parseFloat($('#history_create_parts_cost').val()) || 0;
        var labor = parseFloat($('#history_create_labor_cost').val()) || 0;
        $('#history_create_total_cost').val((parts + labor).toFixed(2));
    }

    $(document).ready(function() {
        historyTable = $('#maintenance_history_table').DataTable({
            processing: true,
            serverSide: false,
            ajax: buildHistoryUrl(),
            columns: [
                { data: 'maintenance_type', title: 'Type' },
                { data: 'description', title: 'Description' },
                { data: 'date_performed', title: 'Date' },
                { data: 'parts_cost', title: 'Parts', render: d => '$' + 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(d, type, row) {
                        if (!d || d === 0) return '—';
                        return `<button type="button" class="icon-btn historyViewAttachmentsBtn" title="View attachments">
                                    <i class="fa fa-paperclip"></i> (${d})
                                </button>`;
                    }
                },
                {
                    data: null,
                    title: 'Actions',
                    orderable: false,
                    searchable: false,
                    render: function(data, type, row) {
                        return `
                            <button class="icon-btn historyEditMaintenanceBtn"
                                data-id="${row.id}"
                                data-maintenance_type="${row.maintenance_type}"
                                data-description="${(row.description || '').replace(/"/g, '&quot;')}"
                                data-date_performed="${row.date_performed}"
                                data-parts_cost="${row.parts_cost}"
                                data-labor_cost="${row.labor_cost}"
                                data-total_cost="${row.total_cost}"
                                data-vendor_name="${row.vendor_name || ''}"
                                title="Edit">
                                <i class="fa fa-pen"></i>
                            </button>
                            <button class="icon-btn historyDeleteMaintenanceBtn" data-id="${row.id}" title="Delete">
                                <i class="fa fa-trash"></i>
                            </button>
                        `;
                    }
                }
            ]
        });

        $('#btn_apply_filters').on('click', function() {
            historyTable.ajax.url(buildHistoryUrl()).load();
        });

        $('#btn_reset_filters').on('click', function() {
            $('#filter_date_from, #filter_date_to, #filter_maintenance_type').val('');
            historyTable.ajax.url("{{ route('maintenance.history.data', $vehicle->id) }}").load();
        });
        $('#history_create_parts_cost, #history_create_labor_cost').on('input', function() {
            recalcHistoryTotal();
        });
        recalcHistoryTotal();
        $('#historyCreateMaintenanceForm').on('submit', function(e) {
            e.preventDefault();
            var formData = new FormData(this);
            $.ajax({
                url: "{{ route('maintenance.store') }}",
                type: 'POST',
                data: formData,
                contentType: false,
                processData: false,
                success: function(response) {
                    $('#historyCreateMaintenanceModal').modal('hide');
                    $('#historyCreateMaintenanceForm')[0].reset();
                    recalcHistoryTotal();
                    if (historyTable) {
                        historyTable.ajax.url(buildHistoryUrl()).load();
                    }
                    Swal.fire({
                        icon: 'success',
                        title: 'Saved!',
                        text: response.success || 'Maintenance record created successfully.',
                        timer: 2000,
                        showConfirmButton: false
                    });
                },
                error: function(xhr) {
                    var msg = xhr.responseJSON && xhr.responseJSON.errors
                        ? Object.values(xhr.responseJSON.errors).flat().join('<br>')
                        : (xhr.responseJSON && xhr.responseJSON.message ? xhr.responseJSON.message : 'Something went wrong');
                    Swal.fire({
                        icon: 'error',
                        title: 'Error!',
                        html: msg
                    });
                }
            });
        });
        $(document).on('click', '.historyEditMaintenanceBtn', function() {
            var btn = $(this);
            $('#history_edit_id').val(btn.data('id'));
            $('#history_edit_maintenance_type').val(btn.data('maintenance_type'));
            $('#history_edit_description').val(btn.data('description'));
            $('#history_edit_date_performed').val(btn.data('date_performed'));
            $('#history_edit_parts_cost').val(btn.data('parts_cost'));
            $('#history_edit_labor_cost').val(btn.data('labor_cost'));
            $('#history_edit_total_cost').val(parseFloat(btn.data('total_cost') || 0).toFixed(2));
            $('#history_edit_vendor_name').val(btn.data('vendor_name'));
            $('#historyEditMaintenanceModal').modal('show');
        });
        $('#history_edit_parts_cost, #history_edit_labor_cost').on('input', function() {
            var parts = parseFloat($('#history_edit_parts_cost').val()) || 0;
            var labor = parseFloat($('#history_edit_labor_cost').val()) || 0;
            $('#history_edit_total_cost').val((parts + labor).toFixed(2));
        });
        $('#historyEditMaintenanceForm').on('submit', function(e) {
            e.preventDefault();
            var id = $('#history_edit_id').val();
            var formData = new FormData(this);
            $.ajax({
                url: `/maintenance/update/${id}`,
                type: 'POST',
                data: formData,
                contentType: false,
                processData: false,
                success: function(response) {
                    $('#historyEditMaintenanceModal').modal('hide');
                    if (historyTable) {
                        historyTable.ajax.url(buildHistoryUrl()).load();
                    }
                    Swal.fire({
                        icon: 'success',
                        title: 'Updated!',
                        text: response.success || 'Maintenance record updated successfully.',
                        timer: 2000,
                        showConfirmButton: false
                    });
                },
                error: function(xhr) {
                    var msg = xhr.responseJSON && xhr.responseJSON.errors
                        ? Object.values(xhr.responseJSON.errors).flat().join('<br>')
                        : (xhr.responseJSON && xhr.responseJSON.message ? xhr.responseJSON.message : 'Something went wrong');
                    Swal.fire({
                        icon: 'error',
                        title: 'Error!',
                        html: msg
                    });
                }
            });
        });
        $(document).on('click', '.historyViewAttachmentsBtn', function() {
            var tr = $(this).closest('tr');
            var row = historyTable.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>';
            $('#historyAttachmentsContainer').html(html);
            $('#historyAttachmentsModal').modal('show');
        });
        $(document).on('click', '.historyDeleteMaintenanceBtn', function() {
            var id = $(this).data('id');
            Swal.fire({
                title: 'Are you sure?',
                text: "This will delete the maintenance record.",
                icon: 'warning',
                showCancelButton: true,
                confirmButtonText: 'Yes, delete it!',
                cancelButtonText: 'Cancel',
                customClass: {
                    confirmButton: 'btn btn-dark',
                    cancelButton: 'btn btn-secondary'
                },
                buttonsStyling: false
            }).then((result) => {
                if (result.isConfirmed) {
                    $.ajax({
                        url: `/maintenance/delete/${id}`,
                        type: 'DELETE',
                        headers: {
                            'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
                        },
                        success: function(response) {
                            if (historyTable) {
                                historyTable.ajax.url(buildHistoryUrl()).load();
                            }
                            Swal.fire({
                                title: 'Deleted!',
                                text: response.message || 'Maintenance record deleted successfully.',
                                icon: 'success',
                                confirmButtonText: 'OK',
                                customClass: { confirmButton: 'btn btn-dark' },
                                buttonsStyling: false
                            });
                        },
                        error: function() {
                            Swal.fire({
                                icon: 'error',
                                title: 'Error!',
                                text: 'Something went wrong.'
                            });
                        }
                    });
                }
            });
        });
    });
</script>