@extends('adminlte::page')
@section('title', $product->name . ' - Lotlar')

@section('content')
<div class="container-fluid pt-4">

    <div class="d-flex align-items-center justify-content-between mb-4">
        <div class="d-flex align-items-center gap-3">
            <a href="{{ route('stocks.branch', $branch->id) }}" class="btn btn-outline-secondary mr-3">
                <i class="fas fa-arrow-left"></i>
            </a>
            <div>
                <h2 class="fw-bold mb-0">{{ $product->name }}</h2>
                <small class="text-muted">
                    {{ $branch->name }} — Aktif Lotlar (FIFO sırası)
                </small>
            </div>
        </div>
        <a href="{{ route('stock-transactions.index') }}?product_id={{ $product->id }}&branch_id={{ $branch->id }}"
           class="btn btn-outline-info">
            <i class="fas fa-history me-1"></i> Bu Ürünün Hareketleri
        </a>
    </div>

    {{-- Özet Kartlar --}}
    @if($stock)
    <div class="row g-3 mb-4">
        <div class="col-6 col-md-3">
            <div class="card border-0 bg-success text-center p-3">
                <div class="fs-3 fw-bold text-white" style="font-size: 1.8rem;">
                    {{ number_format($stock->total_quantity, 2) }}
                    <small class="fs-6">{{ optional($product->baseUnit)->symbol ?? '' }}</small>
                </div>
                <small class="text-white opacity-75">Toplam Stok</small>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <div class="card border-0 bg-info text-center p-3">
                <div class="fs-3 fw-bold text-white " style="font-size: 1.8rem;">
                    {{ number_format($stock->unit_cost, 2) }} ₺
                </div>
                <small class="text-white opacity-75">Ort. Maliyet / {{ optional($product->baseUnit)->symbol ?? 'kg' }}</small>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <div class="card border-0 bg-warning text-center p-3">
                <div class="fw-bold text-white" style="font-size: 1.8rem;">
                    {{ number_format($stock->total_inventory_value, 2) }} ₺
                </div>
                <small class="text-white opacity-75">Toplam Değer</small>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <div class="card border-0 bg-secondary text-center p-3">
                <div class="fs-3 fw-bold text-white" style="font-size: 1.8rem;">{{ $lots->count() }}</div>
                <small class="text-white opacity-75">Aktif Lot</small>
            </div>
        </div>
    </div>
    @endif

    {{-- Lot Tablosu --}}
    <div class="card shadow-sm">
        <div class="card-header fw-bold d-flex justify-content-between">
            <span><i class="fas fa-boxes me-2"></i> Aktif Lotlar</span>
            <small class="text-muted">En üstteki lot önce tüketilir (FIFO)</small>
        </div>
        <div class="card-body p-0">
            @if($lots->isEmpty())
                <div class="text-center text-muted py-5">
                    <i class="fas fa-box-open fa-3x mb-3 opacity-25 d-block"></i>
                    Bu şubede aktif lot bulunamadı.
                </div>
            @else
            <table class="table table-hover mb-0">
                <thead class="table-light">
                    <tr>
                        <th>#</th>
                        <th>Lot No</th>
                        <th>Tedarikçi</th>
                        <th>Ambalaj</th>
                        <th>Çuval</th>
                        <th>Toplam</th>
                        <th>Alış Fiyatı</th>
                        <th>Lot Değeri</th>
                        <th>Giriş Tarihi</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach($lots as $index => $lot)
                    <tr class="{{ $index === 0 ? 'table-success' : '' }}">
                        <td>
                            @if($index === 0)
                                <span class="badge bg-success" title="İlk tüketilecek lot">FIFO</span>
                            @else
                                {{ $index + 1 }}
                            @endif
                        </td>
                        <td><span class="badge bg-secondary">{{ $lot->lot_number }}</span></td>
                        <td>
                            {{ optional($lot->supplierProduct?->supplier)->name ?? '-' }}
                            @if($lot->supplierProduct?->name)
                                <br><small class="text-muted">({{ $lot->supplierProduct->name }})</small>
                            @endif
                        </td>
                        <td>{{ optional($lot->packageType)->name ?? '-' }}</td>
                        <td>{{ $lot->current_package_count }}</td>
                        <td class="fw-bold">
                            {{ number_format($lot->current_total_quantity, 2) }}
                            {{ optional($product->baseUnit)->symbol ?? 'kg' }}
                        </td>
                        <td>{{ number_format($lot->purchase_unit_cost, 2) }} ₺</td>
                        <td class="text-success fw-bold">
                            {{ number_format($lot->current_total_quantity * $lot->purchase_unit_cost, 2) }} ₺
                        </td>
                        <td>{{ $lot->created_at->format('d.m.Y') }}</td>
                    </tr>
                    @endforeach
                </tbody>
                <tfoot class="table-light fw-bold">
                    <tr>
                        <td colspan="4">Toplam</td>
                        <td>{{ $lots->sum('current_package_count') }}</td>
                        <td>
                            {{ number_format($lots->sum('current_total_quantity'), 2) }}
                            {{ optional($product->baseUnit)->symbol ?? 'kg' }}
                        </td>
                        <td>—</td>
                        <td class="text-success">
                            {{ number_format($lots->sum(fn($l) => $l->current_total_quantity * $l->purchase_unit_cost), 2) }} ₺
                        </td>
                        <td>—</td>
                    </tr>
                </tfoot>
            </table>
            @endif
        </div>
    </div>
</div>
@endsection