@extends('admin.layouts.app')

@section('title', 'Invoices')

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header">
                    <h4 class="card-title">Invoices</h4>
                    <div class="card-options">
                        <a href="{{ route('admin.invoices.create') }}" class="btn btn-primary btn-sm">
                            <i class="fa fa-plus"></i> Create Invoice
                        </a>
                    </div>
                </div>

                <div class="card-body">
                    <!-- Filters -->
                    <div class="row mb-3">
                        <div class="col-md-3">
                            <select name="status" class="form-control" id="statusFilter">
                                <option value="">All Statuses</option>
                                <option value="draft">Draft</option>
                                <option value="sent">Sent</option>
                                <option value="viewed">Viewed</option>
                                <option value="paid">Paid</option>
                                <option value="cancelled">Cancelled</option>
                            </select>
                        </div>
                        <div class="col-md-3">
                            <select name="payment_status" class="form-control" id="paymentStatusFilter">
                                <option value="">All Payment Status</option>
                                <option value="unpaid">Unpaid</option>
                                <option value="partial">Partial</option>
                                <option value="paid">Paid</option>
                                <option value="overdue">Overdue</option>
                            </select>
                        </div>
                        <div class="col-md-4">
                            <input type="text" name="search" class="form-control" placeholder="Search invoice number or client name..." id="searchInput">
                        </div>
                        <div class="col-md-2">
                            <button type="button" class="btn btn-secondary" id="filterBtn">Filter</button>
                        </div>
                    </div>

                    <!-- Invoices Table -->
                    <div class="table-responsive">
                        <table class="table table-bordered table-striped">
                            <thead>
                                <tr>
                                    <th>Invoice #</th>
                                    <th>Date</th>
                                    <th>Client</th>
                                    <th>Property Address</th>
                                    <th>Amount</th>
                                    <th>Status</th>
                                    <th>Payment Status</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse($invoices as $invoice)
                                <tr>
                                    <td>
                                        <a href="{{ route('admin.invoices.show', $invoice->id) }}" class="text-primary">
                                            {{ $invoice->invoice_number }}
                                        </a>
                                    </td>
                                    <td>{{ $invoice->formatted_invoice_date }}</td>
                                    <td>
                                        <div>
                                            <strong>{{ $invoice->primary_client_name ?: 'N/A' }}</strong>
                                            @if($invoice->primary_client_email)
                                                <br><small class="text-muted">{{ $invoice->primary_client_email }}</small>
                                            @endif
                                        </div>
                                        @if($invoice->customers->count() > 1)
                                            <small class="badge badge-info">+{{ $invoice->customers->count() - 1 }} more</small>
                                        @endif
                                    </td>
                                    <td>
                                        <small>{{ $invoice->full_property_address ?: 'N/A' }}</small>
                                    </td>
                                    <td>
                                        <strong>{{ $invoice->formatted_total }}</strong>
                                        @if($invoice->paid_amount > 0)
                                            <br><small class="text-success">Paid: ${{ number_format($invoice->paid_amount, 2) }}</small>
                                        @endif
                                    </td>
                                    <td>
                                        @php
                                            $statusColors = [
                                                'draft' => 'secondary',
                                                'sent' => 'info', 
                                                'viewed' => 'warning',
                                                'paid' => 'success',
                                                'cancelled' => 'danger'
                                            ];
                                        @endphp
                                        <span class="badge badge-{{ $statusColors[$invoice->status] ?? 'secondary' }}">
                                            {{ ucfirst($invoice->status) }}
                                        </span>
                                    </td>
                                    <td>
                                        @php
                                            $paymentColors = [
                                                'unpaid' => 'danger',
                                                'partial' => 'warning',
                                                'paid' => 'success', 
                                                'overdue' => 'dark'
                                            ];
                                        @endphp
                                        <span class="badge badge-{{ $paymentColors[$invoice->payment_status] ?? 'secondary' }}">
                                            {{ ucfirst($invoice->payment_status) }}
                                        </span>
                                        @if($invoice->payment_status !== 'paid')
                                            <br><small class="text-muted">Balance: {{ $invoice->formatted_balance }}</small>
                                        @endif
                                    </td>
                                    <td>
                                        <div class="btn-group" role="group">
                                            <a href="{{ route('admin.invoices.show', $invoice->id) }}" class="btn btn-sm btn-info" title="View">
                                                <i class="fa fa-eye"></i>
                                            </a>
                                            <a href="{{ route('admin.invoices.pdf', $invoice->id) }}" class="btn btn-sm btn-secondary" title="PDF" target="_blank">
                                                <i class="fa fa-file-pdf"></i>
                                            </a>
                                            @if($invoice->payment_status !== 'paid')
                                                <button class="btn btn-sm btn-success" title="Record Payment" onclick="recordPayment({{ $invoice->id }})">
                                                    <i class="fa fa-dollar-sign"></i>
                                                </button>
                                            @endif
                                        </div>
                                    </td>
                                </tr>
                                @empty
                                <tr>
                                    <td colspan="8" class="text-center text-muted py-4">
                                        No invoices found.
                                    </td>
                                </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

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

<!-- Record Payment Modal -->
<div class="modal fade" id="paymentModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Record Payment</h5>
                <button type="button" class="close" data-dismiss="modal">
                    <span>&times;</span>
                </button>
            </div>
            <form id="paymentForm">
                <div class="modal-body">
                    <input type="hidden" id="invoiceId" name="invoice_id">
                    
                    <div class="form-group">
                        <label>Payment Amount</label>
                        <input type="number" step="0.01" min="0.01" class="form-control" name="amount" required>
                    </div>
                    
                    <div class="form-group">
                        <label>Payment Method</label>
                        <select class="form-control" name="payment_method" required>
                            <option value="cash">Cash</option>
                            <option value="check">Check</option>
                            <option value="credit_card">Credit Card</option>
                            <option value="debit_card">Debit Card</option>
                            <option value="bank_transfer">Bank Transfer</option>
                            <option value="paypal">PayPal</option>
                            <option value="stripe">Stripe</option>
                            <option value="square">Square</option>
                            <option value="other">Other</option>
                        </select>
                    </div>
                    
                    <div class="form-group">
                        <label>Reference Number (Optional)</label>
                        <input type="text" class="form-control" name="reference_number" placeholder="Check number, transaction ID, etc.">
                    </div>
                    
                    <div class="form-group">
                        <label>Payment Date</label>
                        <input type="date" class="form-control" name="payment_date" value="{{ now()->format('Y-m-d') }}" required>
                    </div>
                    
                    <div class="form-group">
                        <label>Notes (Optional)</label>
                        <textarea class="form-control" name="notes" rows="2" placeholder="Additional payment notes..."></textarea>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-success">Record Payment</button>
                </div>
            </form>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
// Filter functionality
$('#filterBtn').click(function() {
    var params = new URLSearchParams();
    
    var status = $('#statusFilter').val();
    var paymentStatus = $('#paymentStatusFilter').val();
    var search = $('#searchInput').val();
    
    if (status) params.append('status', status);
    if (paymentStatus) params.append('payment_status', paymentStatus);
    if (search) params.append('search', search);
    
    window.location.href = '{{ route('admin.invoices.index') }}?' + params.toString();
});

// Enter key search
$('#searchInput').keypress(function(e) {
    if (e.which === 13) {
        $('#filterBtn').click();
    }
});

// Record payment functionality
function recordPayment(invoiceId) {
    $('#invoiceId').val(invoiceId);
    $('#paymentModal').modal('show');
}

$('#paymentForm').submit(function(e) {
    e.preventDefault();
    
    var invoiceId = $('#invoiceId').val();
    var formData = $(this).serializeArray();
    var data = {};
    $.each(formData, function(i, field) {
        data[field.name] = field.value;
    });
    
    $.ajax({
        url: '/admin/invoices/' + invoiceId + '/payments',
        type: 'POST',
        data: data,
        headers: {
            'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
        },
        success: function(response) {
            if (response.success) {
                $('#paymentModal').modal('hide');
                location.reload(); // Refresh page to show updated payment status
            } else {
                alert('Error: ' + (response.message || 'Failed to record payment'));
            }
        },
        error: function(xhr) {
            var message = 'Failed to record payment';
            if (xhr.responseJSON && xhr.responseJSON.message) {
                message = xhr.responseJSON.message;
            }
            alert('Error: ' + message);
        }
    });
});
</script>
@endpush