@extends('layouts.app')

@section('title', 'Detail Tagihan - ' . $invoice->invoice_number)

@section('content')
<div class="container-fluid px-4">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1">Detail Tagihan</h1>
            <nav aria-label="breadcrumb">
                <ol class="breadcrumb mb-0">
                    <li class="breadcrumb-item"><a href="{{ route('dashboard') }}">Dashboard</a></li>
                    <li class="breadcrumb-item"><a href="{{ route('invoices.index') }}">Tagihan</a></li>
                    <li class="breadcrumb-item active">{{ $invoice->invoice_number }}</li>
                </ol>
            </nav>
        </div>
        <div class="d-flex gap-2 flex-wrap">
            @if(in_array($invoice->status, ['unpaid', 'overdue']))
                <a href="{{ route('payments.create', ['invoice_id' => $invoice->id]) }}" class="btn btn-success">
                    <i class="bi bi-cash-coin me-1"></i> Catat Pembayaran
                </a>
                @if(\App\Models\Setting::get('wa_enabled','0') === '1' && $invoice->customer?->phone)
                <form action="{{ route('whatsapp.send-reminder', $invoice) }}" method="POST" class="d-inline">
                    @csrf
                    <button type="submit" class="btn btn-outline-success"
                            style="border-color:#25d366; color:#25d366;"
                            title="Kirim pengingat jatuh tempo via WhatsApp">
                        <i class="bi bi-whatsapp me-1"></i>Kirim Pengingat
                    </button>
                </form>
                @endif
            @endif
            <a href="{{ route('invoices.edit', $invoice) }}" class="btn btn-warning">
                <i class="bi bi-pencil me-1"></i> Edit
            </a>
            <a href="{{ route('invoices.index') }}" class="btn btn-outline-secondary">
                <i class="bi bi-arrow-left me-1"></i> Kembali
            </a>
            <form action="{{ route('invoices.destroy', $invoice) }}" method="POST" class="d-inline">
                @csrf
                @method('DELETE')
                <button type="submit" class="btn btn-outline-danger"
                    onclick="return confirm('Hapus tagihan ini secara permanen?')">
                    <i class="bi bi-trash me-1"></i> Hapus
                </button>
            </form>
        </div>
    </div>

    @if(session('success'))
        <div class="alert alert-success alert-dismissible fade show" role="alert">
            <i class="bi bi-check-circle me-1"></i> {{ session('success') }}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    @endif

    <div class="row g-4">
        {{-- Nota Tagihan --}}
        <div class="col-lg-8">
            <div class="card shadow-sm">
                {{-- Header Nota --}}
                <div class="card-body border-bottom pb-4">
                    <div class="d-flex justify-content-between align-items-start">
                        <div>
                            <h2 class="fw-bold text-primary mb-1">{{ $invoice->invoice_number }}</h2>
                            @php
                                $statusMap = [
                                    'unpaid'    => ['bg-warning text-dark', 'Belum Dibayar'],
                                    'paid'      => ['bg-success', 'Lunas'],
                                    'overdue'   => ['bg-danger', 'Jatuh Tempo'],
                                    'cancelled' => ['bg-secondary', 'Dibatalkan'],
                                ];
                                [$badgeClass, $badgeLabel] = $statusMap[$invoice->status] ?? ['bg-secondary', ucfirst($invoice->status)];
                            @endphp
                            <span class="badge {{ $badgeClass }} fs-6">{{ $badgeLabel }}</span>
                        </div>
                        <div class="text-end">
                            <div class="text-muted small">Tanggal Terbit</div>
                            <div class="fw-semibold">{{ $invoice->issue_date ? \Carbon\Carbon::parse($invoice->issue_date)->format('d F Y') : '-' }}</div>
                        </div>
                    </div>
                </div>

                {{-- Info Pelanggan & Tagihan --}}
                <div class="card-body border-bottom">
                    <div class="row">
                        <div class="col-md-6">
                            <h6 class="text-muted text-uppercase small fw-bold mb-2">Info Pelanggan</h6>
                            <div class="fw-bold fs-5">{{ $invoice->subscription->customer->name ?? '-' }}</div>
                            <div class="text-muted">Kode: {{ $invoice->subscription->customer->customer_code ?? '-' }}</div>
                            @if($invoice->subscription->customer->address ?? false)
                                <div class="text-muted small mt-1">{{ $invoice->subscription->customer->address }}</div>
                            @endif
                            @if($invoice->subscription->customer->phone ?? false)
                                <div class="text-muted small">
                                    <i class="bi bi-telephone me-1"></i>{{ $invoice->subscription->customer->phone }}
                                </div>
                            @endif
                        </div>
                        <div class="col-md-6">
                            <h6 class="text-muted text-uppercase small fw-bold mb-2">Info Tagihan</h6>
                            <table class="table table-sm table-borderless mb-0">
                                <tr>
                                    <td class="text-muted ps-0">Tanggal Jatuh Tempo</td>
                                    <td class="fw-semibold {{ $invoice->status === 'overdue' ? 'text-danger' : '' }}">
                                        {{ $invoice->due_date ? \Carbon\Carbon::parse($invoice->due_date)->format('d F Y') : '-' }}
                                    </td>
                                </tr>
                                <tr>
                                    <td class="text-muted ps-0">Periode Tagihan</td>
                                    <td class="fw-semibold">
                                        @if($invoice->billing_month && $invoice->billing_year)
                                            {{ \Carbon\Carbon::create($invoice->billing_year, $invoice->billing_month)->translatedFormat('F Y') }}
                                        @else
                                            -
                                        @endif
                                    </td>
                                </tr>
                            </table>
                        </div>
                    </div>
                </div>

                {{-- Detail Paket --}}
                <div class="card-body border-bottom">
                    <h6 class="text-muted text-uppercase small fw-bold mb-3">Detail Layanan</h6>
                    <table class="table table-sm">
                        <thead class="table-light">
                            <tr>
                                <th>Paket</th>
                                <th>Download / Upload</th>
                                <th class="text-end">Harga</th>
                            </tr>
                        </thead>
                        <tbody>
                            <tr>
                                <td>{{ $invoice->subscription->package->name ?? '-' }}</td>
                                <td>
                                    {{ $invoice->subscription->package->download_speed ?? '-' }} /
                                    {{ $invoice->subscription->package->upload_speed ?? '-' }}
                                </td>
                                <td class="text-end">Rp {{ number_format($invoice->amount, 0, ',', '.') }}</td>
                            </tr>
                        </tbody>
                    </table>
                </div>

                {{-- Ringkasan Biaya --}}
                <div class="card-body">
                    <div class="row justify-content-end">
                        <div class="col-md-5">
                            <table class="table table-sm table-borderless mb-0">
                                <tr>
                                    <td class="text-muted">Jumlah Tagihan</td>
                                    <td class="text-end fw-semibold">Rp {{ number_format($invoice->amount, 0, ',', '.') }}</td>
                                </tr>
                                @if($invoice->discount && $invoice->discount > 0)
                                <tr>
                                    <td class="text-muted">Diskon</td>
                                    <td class="text-end text-danger">- Rp {{ number_format($invoice->discount, 0, ',', '.') }}</td>
                                </tr>
                                @endif
                                <tr class="border-top">
                                    <td class="fw-bold fs-5 pt-2">Total</td>
                                    <td class="text-end fw-bold fs-5 pt-2 text-primary">
                                        Rp {{ number_format($invoice->total_amount, 0, ',', '.') }}
                                    </td>
                                </tr>
                            </table>
                        </div>
                    </div>
                </div>
            </div>

            {{-- Info Catatan --}}
            @if($invoice->notes)
            <div class="card shadow-sm mt-3">
                <div class="card-body">
                    <h6 class="fw-bold mb-2"><i class="bi bi-sticky me-2 text-warning"></i>Catatan</h6>
                    <p class="mb-0 text-muted">{{ $invoice->notes }}</p>
                </div>
            </div>
            @endif
        </div>

        {{-- Panel Samping --}}
        <div class="col-lg-4">
            {{-- Info Pembayaran --}}
            @if($invoice->payment)
            <div class="card shadow-sm border-success mb-3">
                <div class="card-header bg-success text-white">
                    <h6 class="mb-0"><i class="bi bi-check-circle me-2"></i>Pembayaran Diterima</h6>
                </div>
                <div class="card-body">
                    <table class="table table-sm table-borderless mb-0">
                        <tr>
                            <td class="text-muted">Kode</td>
                            <td class="fw-semibold">{{ $invoice->payment->payment_code }}</td>
                        </tr>
                        <tr>
                            <td class="text-muted">Tanggal</td>
                            <td>{{ \Carbon\Carbon::parse($invoice->payment->payment_date)->format('d F Y') }}</td>
                        </tr>
                        <tr>
                            <td class="text-muted">Jumlah</td>
                            <td class="fw-bold text-success">Rp {{ number_format($invoice->payment->amount, 0, ',', '.') }}</td>
                        </tr>
                        <tr>
                            <td class="text-muted">Metode</td>
                            <td>{{ $invoice->payment->payment_method_label }}</td>
                        </tr>
                        @if($invoice->payment->payment_ref)
                        <tr>
                            <td class="text-muted">No. Referensi</td>
                            <td>{{ $invoice->payment->payment_ref }}</td>
                        </tr>
                        @endif
                    </table>
                    <div class="mt-3 d-flex gap-2">
                        <a href="{{ route('payments.show', $invoice->payment) }}" class="btn btn-sm btn-outline-success flex-fill">
                            <i class="bi bi-eye me-1"></i> Detail
                        </a>
                        <a href="{{ route('payments.receipt', $invoice->payment) }}" class="btn btn-sm btn-outline-secondary flex-fill" target="_blank">
                            <i class="bi bi-printer me-1"></i> Struk
                        </a>
                    </div>
                </div>
            </div>
            @else
            <div class="card shadow-sm mb-3">
                <div class="card-body text-center py-4">
                    <i class="bi bi-cash-stack fs-1 text-muted d-block mb-2"></i>
                    <p class="text-muted mb-3">Belum ada pembayaran untuk tagihan ini.</p>
                    @if(in_array($invoice->status, ['unpaid', 'overdue']))
                        <a href="{{ route('payments.create', ['invoice_id' => $invoice->id]) }}" class="btn btn-success w-100">
                            <i class="bi bi-cash-coin me-1"></i> Catat Pembayaran
                        </a>
                    @endif
                </div>
            </div>
            @endif

            {{-- Info Langganan --}}
            <div class="card shadow-sm">
                <div class="card-header bg-white">
                    <h6 class="mb-0 fw-bold"><i class="bi bi-wifi me-2 text-primary"></i>Info Langganan</h6>
                </div>
                <div class="card-body">
                    @if($invoice->subscription)
                        <table class="table table-sm table-borderless mb-0">
                            <tr>
                                <td class="text-muted">Paket</td>
                                <td class="fw-semibold">{{ $invoice->subscription->package->name ?? '-' }}</td>
                            </tr>
                            <tr>
                                <td class="text-muted">Download</td>
                                <td>{{ $invoice->subscription->package->download_speed ?? '-' }}</td>
                            </tr>
                            <tr>
                                <td class="text-muted">Upload</td>
                                <td>{{ $invoice->subscription->package->upload_speed ?? '-' }}</td>
                            </tr>
                            <tr>
                                <td class="text-muted">Status</td>
                                <td>
                                    @php
                                        $subStatusMap = [
                                            'active'    => ['bg-success', 'Aktif'],
                                            'inactive'  => ['bg-secondary', 'Nonaktif'],
                                            'expired'   => ['bg-danger', 'Kadaluarsa'],
                                            'suspended' => ['bg-warning text-dark', 'Ditangguhkan'],
                                        ];
                                        [$sBadge, $sLabel] = $subStatusMap[$invoice->subscription->status] ?? ['bg-secondary', ucfirst($invoice->subscription->status)];
                                    @endphp
                                    <span class="badge {{ $sBadge }}">{{ $sLabel }}</span>
                                </td>
                            </tr>
                        </table>
                    @else
                        <p class="text-muted mb-0">Tidak ada data langganan.</p>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>
@endsection