@extends('admin.layout')

@section('title', 'Edit Invoice #' . $invoice->invoice_number)

@section('content')
<div class="container-fluid">
    <!-- Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-0 text-gray-800">Edit Invoice #{{ $invoice->invoice_number }}</h1>
            <p class="mb-0 text-muted">Ubah informasi invoice</p>
        </div>
        <div>
            <a href="{{ route('admin.invoices.show', $invoice) }}" class="btn btn-secondary">
                <i class="fas fa-arrow-left"></i> Kembali
            </a>
            <a href="{{ route('admin.invoices.download', $invoice) }}" class="btn btn-success">
                <i class="fas fa-download"></i> Download PDF
            </a>
        </div>
    </div>

    <div class="row">
        <div class="col-lg-8">
            <!-- Edit Invoice Form -->
            <div class="card shadow mb-4">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">Form Edit Invoice</h6>
                </div>
                <div class="card-body">
                    <form action="{{ route('admin.invoices.update', $invoice) }}" method="POST" id="invoice-form">
                        @csrf
                        @method('PUT')
                        
                        <!-- Invoice Basic Info -->
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="invoice_number" class="form-label">No. Invoice</label>
                                    <input type="text" class="form-control" id="invoice_number" 
                                           value="{{ $invoice->invoice_number }}" readonly>
                                    <small class="form-text text-muted">Nomor invoice tidak dapat diubah</small>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="booking_code" class="form-label">Booking Code</label>
                                    <input type="text" class="form-control" id="booking_code" 
                                           value="{{ $invoice->booking->booking_code }}" readonly>
                                    <small class="form-text text-muted">Booking terkait tidak dapat diubah</small>
                                </div>
                            </div>
                        </div>

                        <!-- Invoice Details -->
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="invoice_date" class="form-label">Tanggal Invoice <span class="text-danger">*</span></label>
                                    <input type="date" class="form-control @error('invoice_date') is-invalid @enderror" 
                                           id="invoice_date" name="invoice_date" 
                                           value="{{ old('invoice_date', $invoice->created_at->format('Y-m-d')) }}" required>
                                    @error('invoice_date')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="due_date" class="form-label">Tanggal Jatuh Tempo</label>
                                    <input type="date" class="form-control @error('due_date') is-invalid @enderror" 
                                           id="due_date" name="due_date" 
                                           value="{{ old('due_date', $invoice->due_date ? \Carbon\Carbon::parse($invoice->due_date)->format('Y-m-d') : '') }}">
                                    @error('due_date')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label for="status" class="form-label">Status Invoice</label>
                            <select class="form-control @error('status') is-invalid @enderror" 
                                    id="status" name="status">
                                <option value="draft" {{ old('status', $invoice->status) == 'draft' ? 'selected' : '' }}>Draft</option>
                                <option value="sent" {{ old('status', $invoice->status) == 'sent' ? 'selected' : '' }}>Terkirim</option>
                                <option value="paid" {{ old('status', $invoice->status) == 'paid' ? 'selected' : '' }}>Dibayar</option>
                                <option value="overdue" {{ old('status', $invoice->status) == 'overdue' ? 'selected' : '' }}>Terlambat</option>
                                <option value="cancelled" {{ old('status', $invoice->status) == 'cancelled' ? 'selected' : '' }}>Dibatalkan</option>
                            </select>
                            @error('status')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="form-group">
                            <label for="notes" class="form-label">Catatan</label>
                            <textarea class="form-control @error('notes') is-invalid @enderror" 
                                      id="notes" name="notes" rows="3" 
                                      placeholder="Catatan tambahan untuk invoice ini...">{{ old('notes', $invoice->notes) }}</textarea>
                            @error('notes')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="form-group">
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-save"></i> Update Invoice
                            </button>
                            <a href="{{ route('admin.invoices.show', $invoice) }}" class="btn btn-secondary">
                                <i class="fas fa-times"></i> Batal
                            </a>
                        </div>
                    </form>
                </div>
            </div>
        </div>

        <div class="col-lg-4">
            <!-- Current Invoice Info -->
            <div class="card shadow mb-4">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">Informasi Saat Ini</h6>
                </div>
                <div class="card-body">
                    <div class="invoice-info">
                        <div class="mb-3">
                            <strong>No. Invoice:</strong>
                            <div class="text-muted">{{ $invoice->invoice_number }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Status Saat Ini:</strong>
                            <div>
                                @php
                                    $statusColors = [
                                        'draft' => 'secondary',
                                        'sent' => 'info',
                                        'paid' => 'success',
                                        'overdue' => 'danger',
                                        'cancelled' => 'dark'
                                    ];
                                    $statusLabels = [
                                        'draft' => 'Draft',
                                        'sent' => 'Terkirim',
                                        'paid' => 'Dibayar',
                                        'overdue' => 'Terlambat',
                                        'cancelled' => 'Dibatalkan'
                                    ];
                                @endphp
                                <span class="badge badge-{{ $statusColors[$invoice->status] ?? 'secondary' }}">
                                    {{ $statusLabels[$invoice->status] ?? ucfirst($invoice->status) }}
                                </span>
                            </div>
                        </div>
                        <div class="mb-3">
                            <strong>Total Amount:</strong>
                            <div class="text-success font-weight-bold">
                                Rp {{ number_format($invoice->total_amount, 0, ',', '.') }}
                            </div>
                        </div>
                        <div class="mb-3">
                            <strong>Dibuat:</strong>
                            <div class="text-muted">{{ $invoice->created_at->format('d F Y H:i') }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Terakhir Update:</strong>
                            <div class="text-muted">{{ $invoice->updated_at->format('d F Y H:i') }}</div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Booking Information -->
            <div class="card shadow mb-4">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">Informasi Booking</h6>
                </div>
                <div class="card-body">
                    <div class="booking-info">
                        <div class="mb-3">
                            <strong>Booking Code:</strong>
                            <div class="text-muted">
                                <span class="badge badge-info">{{ $invoice->booking->booking_code }}</span>
                            </div>
                        </div>
                        <div class="mb-3">
                            <strong>Nama Tamu:</strong>
                            <div class="text-muted">{{ $invoice->booking->guest_name }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Hotel:</strong>
                            <div class="text-muted">{{ $invoice->booking->room->hotel->name ?? 'N/A' }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Kamar:</strong>
                            <div class="text-muted">{{ $invoice->booking->room->name }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Check-in:</strong>
                            <div class="text-muted">{{ \Carbon\Carbon::parse($invoice->booking->check_in_date)->format('d F Y') }}</div>
                        </div>
                        <div class="mb-3">
                            <strong>Check-out:</strong>
                            <div class="text-muted">{{ \Carbon\Carbon::parse($invoice->booking->check_out_date)->format('d F Y') }}</div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Help Card -->
            <div class="card shadow">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-info">Bantuan</h6>
                </div>
                <div class="card-body">
                    <div class="text-sm">
                        <p><strong>Catatan Editing:</strong></p>
                        <ul class="mb-0">
                            <li>Nomor invoice dan booking terkait tidak dapat diubah</li>
                            <li>Total amount dihitung otomatis dari booking</li>
                            <li>Status "Dibayar" akan mengunci beberapa perubahan</li>
                            <li>Tanggal jatuh tempo opsional</li>
                            <li>Catatan dapat digunakan untuk informasi tambahan</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
$(document).ready(function() {
    // Handle invoice date change
    $('#invoice_date').change(function() {
        // Auto update due date if not set (7 days from invoice date)
        if (!$('#due_date').val()) {
            const invoiceDate = new Date($(this).val());
            const dueDate = new Date(invoiceDate);
            dueDate.setDate(dueDate.getDate() + 7);
            
            $('#due_date').val(dueDate.toISOString().split('T')[0]);
        }
    });
    
    // Form validation
    $('#invoice-form').submit(function(e) {
        const invoiceDate = $('#invoice_date').val();
        const dueDate = $('#due_date').val();
        
        if (!invoiceDate) {
            e.preventDefault();
            Swal.fire({
                icon: 'error',
                title: 'Error!',
                text: 'Tanggal invoice harus diisi.'
            });
            return false;
        }
        
        // Check if due date is before invoice date
        if (dueDate && new Date(dueDate) < new Date(invoiceDate)) {
            e.preventDefault();
            Swal.fire({
                icon: 'error',
                title: 'Error!',
                text: 'Tanggal jatuh tempo tidak boleh lebih awal dari tanggal invoice.'
            });
            return false;
        }
        
        // Show loading
        Swal.fire({
            title: 'Mengupdate Invoice...',
            text: 'Mohon tunggu sebentar.',
            allowOutsideClick: false,
            showConfirmButton: false,
            willOpen: () => {
                Swal.showLoading();
            }
        });
    });
    
    // Status change warning for paid invoices
    $('#status').change(function() {
        const currentStatus = '{{ $invoice->status }}';
        const newStatus = $(this).val();
        
        if (currentStatus === 'paid' && newStatus !== 'paid') {
            Swal.fire({
                title: 'Peringatan!',
                text: 'Anda akan mengubah status dari "Dibayar" ke status lain. Apakah Anda yakin?',
                icon: 'warning',
                showCancelButton: true,
                confirmButtonColor: '#f39c12',
                cancelButtonColor: '#6c757d',
                confirmButtonText: 'Ya, Ubah Status',
                cancelButtonText: 'Batal'
            }).then((result) => {
                if (!result.isConfirmed) {
                    $(this).val(currentStatus);
                }
            });
        }
    });
});
</script>
@endpush