@extends('layouts.app')

@section('title', 'Warehouse Intake Terminal - Pavitram Agroz')

@section('content')
<div class="row mb-4">
    <div class="col-12">
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-1">
                <li class="breadcrumb-item"><a href="{{ route('inventory.warehouses.index') }}">Warehouses</a></li>
                <li class="breadcrumb-item active">Warehouse Intake Terminal</li>
            </ol>
        </nav>
        <h2 class="h3 fw-bold mb-1">Warehouse Intake Terminal</h2>
        <p class="text-muted mb-0">Receive QA-verified manufactured product units into official warehouse floor inventory.</p>
    </div>
</div>

<div class="row g-4 mb-4">
    <!-- Scanner Intake Column -->
    <div class="col-lg-6">
        <div class="card border-0 shadow-sm mb-4">
            <div class="card-header bg-white py-3">
                <div class="d-flex align-items-center">
                    <div class="rounded-circle bg-success bg-opacity-10 p-2 me-3 text-success">
                        <i class="bi bi-box-arrow-in-down fs-4"></i>
                    </div>
                    <div>
                        <h5 class="card-title fw-bold mb-0">Hardware Scanner Intake</h5>
                        <small class="text-muted">Scan QR code or enter serial number of verified units</small>
                    </div>
                </div>
            </div>
            <div class="card-body p-4">
                <form method="POST" action="{{ route('inventory.receiving.unit') }}" id="intakeForm">
                    @csrf

                    <div class="mb-3">
                        <label for="warehouse_id" class="form-label fw-bold">Destination Warehouse</label>
                        <select name="warehouse_id" id="warehouse_id" class="form-select @error('warehouse_id') is-invalid @enderror" required>
                            @foreach($warehouses as $wh)
                                <option value="{{ $wh->id }}" {{ $selectedWarehouse && $selectedWarehouse->id === $wh->id ? 'selected' : '' }}>
                                    {{ $wh->name }} ({{ $wh->code }}) {{ $wh->is_default ? '★ Central Hub' : '' }}
                                </option>
                            @endforeach
                        </select>
                        @error('warehouse_id')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="mb-3">
                        <label for="codeInput" class="form-label fw-bold">Scan QR Token / URL or Serial</label>
                        <div class="input-group input-group-lg">
                            <span class="input-group-text bg-light"><i class="bi bi-qr-code-scan"></i></span>
                            <input type="text" 
                                   name="code" 
                                   id="codeInput" 
                                   class="form-control font-monospace @error('code') is-invalid @enderror" 
                                   placeholder="Scan QR or type PA-P001-000001..." 
                                   value="{{ old('code') }}" 
                                   autofocus 
                                   required 
                                   autocomplete="off">
                            <button type="submit" class="btn btn-primary px-4 fw-bold">
                                <i class="bi bi-plus-lg me-1"></i> Receive
                            </button>
                        </div>
                        @error('code')
                            <div class="text-danger small mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="mb-2">
                        <label for="notes" class="form-label text-muted small">Intake Notes / Pallet Reference (Optional)</label>
                        <input type="text" name="notes" id="notes" class="form-control form-control-sm" placeholder="e.g. Pallet #4 - Bay B12">
                    </div>
                </form>

                <div class="alert alert-info border-0 mt-4 mb-0 small">
                    <div class="d-flex">
                        <i class="bi bi-shield-check fs-5 me-2 text-info flex-shrink-0"></i>
                        <div>
                            <strong>Verification Gate:</strong>
                            Only units that have successfully passed Pre-Warehouse QA Inspection (status <em>Verified</em>) can be received into warehouse inventory.
                        </div>
                    </div>
                </div>
            </div>
        </div>

        @if(session('received_unit'))
            @php $rUnit = session('received_unit'); @endphp
            <div class="card border-0 shadow-sm border-start border-success border-4">
                <div class="card-body p-4">
                    <div class="d-flex align-items-center mb-2">
                        <i class="bi bi-check-circle-fill text-success fs-3 me-2"></i>
                        <h5 class="fw-bold text-success mb-0">Unit Received into Warehouse</h5>
                    </div>
                    <div class="row g-2 mt-1">
                        <div class="col-6">
                            <small class="text-muted d-block">Serial Number</small>
                            <span class="font-monospace fw-bold">{{ $rUnit->serial_number }}</span>
                        </div>
                        <div class="col-6">
                            <small class="text-muted d-block">Product</small>
                            <span class="fw-semibold">{{ $rUnit->product->name }}</span>
                        </div>
                        <div class="col-6">
                            <small class="text-muted d-block">Batch</small>
                            <span class="font-monospace">{{ $rUnit->batch->batch_number }}</span>
                        </div>
                        <div class="col-6">
                            <small class="text-muted d-block">Current Location</small>
                            <span class="badge bg-success">{{ $rUnit->current_location_display }}</span>
                        </div>
                    </div>
                </div>
            </div>
        @endif
    </div>

    <!-- Batch Intake & Recent Receipts Column -->
    <div class="col-lg-6">
        <!-- Batches Awaiting Warehouse Intake -->
        <div class="card border-0 shadow-sm mb-4">
            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
                <h5 class="card-title fw-bold mb-0">Batches with Verified Units Ready</h5>
                <span class="badge bg-primary">{{ $pendingBatches->count() }} Batches</span>
            </div>
            <div class="card-body p-0">
                @if($pendingBatches->isEmpty())
                    <div class="text-center py-4 text-muted small">
                        <i class="bi bi-check2-all display-6 text-success mb-2 d-block"></i>
                        All QA-verified units are currently intake-cleared in warehouses.
                    </div>
                @else
                    <div class="table-responsive">
                        <table class="table table-hover align-middle mb-0 small">
                            <thead class="table-light">
                                <tr>
                                    <th>Batch</th>
                                    <th>Product</th>
                                    <th>Verified Units</th>
                                    <th class="text-end">Action</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($pendingBatches as $batch)
                                    <tr>
                                        <td>
                                            <span class="font-monospace fw-bold">{{ $batch->batch_number }}</span>
                                        </td>
                                        <td>{{ $batch->product->name }}</td>
                                        <td>
                                            <span class="badge bg-info-subtle text-info-emphasis fw-bold">
                                                {{ $batch->ready_units_count }} Ready
                                            </span>
                                        </td>
                                        <td class="text-end">
                                            <form method="POST" action="{{ route('inventory.receiving.batch', $batch) }}" class="d-inline" onsubmit="return confirm('Intake all {{ $batch->ready_units_count }} verified units into {{ $selectedWarehouse->name }}?');">
                                                @csrf
                                                <input type="hidden" name="warehouse_id" value="{{ $selectedWarehouse->id }}">
                                                <button type="submit" class="btn btn-sm btn-outline-primary">
                                                    <i class="bi bi-box-arrow-in-down me-1"></i> Bulk Intake
                                                </button>
                                            </form>
                                        </td>
                                    </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                @endif
            </div>
        </div>

        <!-- Recent Receipts -->
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white py-3">
                <h5 class="card-title fw-bold mb-0">Recent Warehouse Receipts</h5>
            </div>
            <div class="card-body p-0">
                @if($recentReceipts->isEmpty())
                    <div class="text-center py-4 text-muted small">No receipts recorded yet today.</div>
                @else
                    <div class="table-responsive">
                        <table class="table table-hover align-middle mb-0 small">
                            <thead class="table-light">
                                <tr>
                                    <th>Serial</th>
                                    <th>Product</th>
                                    <th>Warehouse</th>
                                    <th>Time</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($recentReceipts as $unit)
                                    <tr>
                                        <td class="font-monospace fw-bold">{{ $unit->serial_number }}</td>
                                        <td>{{ $unit->product->name }}</td>
                                        <td>{{ $unit->warehouse->name ?? 'Warehouse' }}</td>
                                        <td class="text-muted">{{ $unit->warehouse_received_at ? $unit->warehouse_received_at->diffForHumans() : '-' }}</td>
                                    </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                @endif
            </div>
        </div>
    </div>
</div>

<script>
    document.addEventListener('DOMContentLoaded', function() {
        const input = document.getElementById('codeInput');
        if (input) {
            input.focus();
        }
    });
</script>
@endsection