@extends('backEnd.layouts.master')
@section('title', 'Inventory Ledger — ' . $product->name)

@section('content')
<div class="page-header">
    <div>
        <h4><i class="fas fa-history me-2 text-success"></i>Inventory Ledger</h4>
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-0">
                <li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}">Dashboard</a></li>
                <li class="breadcrumb-item"><a href="{{ route('admin.inventory.index') }}">Inventory</a></li>
                <li class="breadcrumb-item active">{{ Str::limit($product->name, 30) }}</li>
            </ol>
        </nav>
    </div>
    <div class="d-flex gap-2">
        <button class="btn btn-success btn-sm" onclick="openAdjust()">
            <i class="fas fa-plus me-1"></i>Adjust Stock
        </button>
        <a href="{{ route('admin.inventory.index') }}" class="btn btn-outline-secondary btn-sm">
            <i class="fas fa-arrow-left me-1"></i>Back
        </a>
    </div>
</div>

{{-- Product Summary --}}
<div class="admin-card mb-4">
    <div class="admin-card-body">
        <div class="d-flex align-items-center gap-4">
            @if($product->thumbnail)
            <img src="{{ asset($product->thumbnail) }}" width="80" height="80" class="rounded" style="object-fit:cover;">
            @endif
            <div>
                <h5 class="fw-bold mb-1">{{ $product->name }}</h5>
                <div class="d-flex gap-3 text-muted small">
                    <span>SKU: {{ $product->sku ?? 'N/A' }}</span>
                    <span>Category: {{ $product->category?->name ?? 'N/A' }}</span>
                    <span>Price: ৳{{ number_format($product->sale_price ?? $product->price) }}</span>
                </div>
            </div>
            <div class="ms-auto text-center">
                <div class="fw-bold fs-2 {{ $product->stock <= 0 ? 'text-danger' : ($product->stock <= 5 ? 'text-warning' : 'text-success') }}">
                    {{ $product->stock }}
                </div>
                <div class="text-muted small">Current Stock</div>
            </div>
        </div>
    </div>
</div>

{{-- Ledger Table --}}
<div class="admin-card">
    <div class="admin-card-header">
        <h5>Stock Movement History ({{ $ledger->total() }} entries)</h5>
    </div>
    <div class="table-responsive">
        <table class="admin-table">
            <thead>
                <tr>
                    <th>#</th>
                    <th>Type</th>
                    <th>Stock In</th>
                    <th>Stock Out</th>
                    <th>Reference</th>
                    <th>Note</th>
                    <th>Date</th>
                </tr>
            </thead>
            <tbody>
                @forelse($ledger as $i => $entry)
                <tr>
                    <td>{{ ($ledger->currentPage() - 1) * $ledger->perPage() + $i + 1 }}</td>
                    <td>
                        @php
                        $typeConfig = [
                            'purchase'   => ['label' => 'Purchase',   'class' => 'bg-success',  'icon' => 'fa-arrow-down'],
                            'sale'       => ['label' => 'Sale',       'class' => 'bg-primary',  'icon' => 'fa-shopping-cart'],
                            'return'     => ['label' => 'Return',     'class' => 'bg-info',     'icon' => 'fa-undo'],
                            'reserve'    => ['label' => 'Reserved',   'class' => 'bg-secondary','icon' => 'fa-lock'],
                            'release'    => ['label' => 'Released',   'class' => 'bg-secondary','icon' => 'fa-unlock'],
                            'adjustment' => ['label' => 'Adjustment', 'class' => 'bg-warning text-dark', 'icon' => 'fa-edit'],
                            'damage'     => ['label' => 'Damage',     'class' => 'bg-danger',   'icon' => 'fa-exclamation-triangle'],
                        ];
                        $cfg = $typeConfig[$entry->type] ?? ['label' => ucfirst($entry->type), 'class' => 'bg-secondary', 'icon' => 'fa-circle'];
                        @endphp
                        <span class="badge {{ $cfg['class'] }}">
                            <i class="fas {{ $cfg['icon'] }} me-1"></i>{{ $cfg['label'] }}
                        </span>
                    </td>
                    <td>
                        @if($entry->qty_in > 0)
                        <span class="text-success fw-bold">+{{ $entry->qty_in }}</span>
                        @else
                        <span class="text-muted">—</span>
                        @endif
                    </td>
                    <td>
                        @if($entry->qty_out > 0)
                        <span class="text-danger fw-bold">-{{ $entry->qty_out }}</span>
                        @else
                        <span class="text-muted">—</span>
                        @endif
                    </td>
                    <td>
                        @if($entry->reference_type && $entry->reference_id)
                        <small class="text-muted">{{ $entry->reference_type }} #{{ $entry->reference_id }}</small>
                        @else
                        <span class="text-muted small">—</span>
                        @endif
                    </td>
                    <td>{{ $entry->note ?? '—' }}</td>
                    <td>
                        <div>{{ $entry->created_at->format('d M Y') }}</div>
                        <small class="text-muted">{{ $entry->created_at->format('h:i A') }}</small>
                    </td>
                </tr>
                @empty
                <tr>
                    <td colspan="7" class="text-center py-5 text-muted">
                        <i class="fas fa-history fa-3x mb-3 d-block opacity-25"></i>
                        No inventory movements recorded yet.
                    </td>
                </tr>
                @endforelse
            </tbody>
        </table>
    </div>
    @if($ledger->hasPages())
    <div class="px-4 py-3 border-top">
        {{ $ledger->links() }}
    </div>
    @endif
</div>

{{-- Adjust Stock Modal --}}
<div class="modal fade" id="adjustModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title"><i class="fas fa-edit me-2"></i>Adjust Stock — {{ $product->name }}</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form action="{{ route('admin.inventory.adjust', $product->id) }}" method="POST">
                @csrf @method('PATCH')
                <div class="modal-body">
                    <div class="alert alert-light mb-3">
                        <strong>Current Stock: {{ $product->stock }} units</strong>
                    </div>
                    <div class="mb-3">
                        <label class="form-label fw-600">Adjustment Type</label>
                        <select name="type" class="form-select" required>
                            <option value="purchase">📦 Purchase / Stock In</option>
                            <option value="return">↩️ Customer Return</option>
                            <option value="adjustment">📝 Manual Adjustment (Add)</option>
                            <option value="damage">⚠️ Damage / Loss (Deduct)</option>
                        </select>
                    </div>
                    <div class="mb-3">
                        <label class="form-label fw-600">Quantity</label>
                        <input type="number" name="qty" class="form-control" min="1" required placeholder="Number of units">
                    </div>
                    <div class="mb-3">
                        <label class="form-label fw-600">Note</label>
                        <textarea name="note" class="form-control" rows="2" placeholder="Reason..."></textarea>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary"><i class="fas fa-save me-1"></i>Adjust</button>
                </div>
            </form>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
function openAdjust() {
    new bootstrap.Modal(document.getElementById('adjustModal')).show();
}
</script>
@endpush