feat(dashboard): 新增庫存積壓、熱銷數量與即將過期排行，優化熱銷商品顯示與 Tooltip

app/Modules/Core/Controllers/DashboardController.php

@@ -32,6 +32,102 @@ class DashboardController extends Controller
         }
 
         $invStats = $this->inventoryService->getDashboardStats();
+        $procStats = $this->procurementService->getDashboardStats();
+
+        // 銷售統計 (本月營收)
+        $thisMonthRevenue = \App\Modules\Sales\Models\SalesImportItem::whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->sum('amount');
+
+        // 生產統計 (待核准工單)
+        $pendingProductionCount = \App\Modules\Production\Models\ProductionOrder::where('status', 'pending')->count();
+        
+        // 生產狀態分佈
+        // 近30日銷售趨勢 (Area Chart)
+        $startDate = now()->subDays(29)->startOfDay();
+        $salesData = \App\Modules\Sales\Models\SalesImportItem::where('transaction_at', '>=', $startDate)
+            ->selectRaw('DATE(transaction_at) as date, SUM(amount) as total')
+            ->groupBy('date')
+            ->orderBy('date')
+            ->get()
+            ->mapWithKeys(function ($item) {
+                return [$item->date => (int)$item->total];
+            });
+
+        $salesTrend = [];
+        for ($i = 0; $i < 30; $i++) {
+            $date = $startDate->copy()->addDays($i)->format('Y-m-d');
+            $salesTrend[] = [
+                'date' => $startDate->copy()->addDays($i)->format('m/d'),
+                'amount' => $salesData[$date] ?? 0,
+            ];
+        }
+
+        // 本月熱銷商品 Top 5 (Bar Chart)
+        $topSellingProducts = \App\Modules\Sales\Models\SalesImportItem::with('product')
+            ->whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->select('product_code', 'product_id', \Illuminate\Support\Facades\DB::raw('SUM(amount) as total_amount'))
+            ->groupBy('product_code', 'product_id')
+            ->orderByDesc('total_amount')
+            ->limit(5)
+            ->get()
+            ->map(function ($item) {
+                return [
+                    'name' => $item->product ? $item->product->name : $item->product_code,
+                    'amount' => (int)$item->total_amount,
+                ];
+            });
+
+        // 庫存積壓排行 (Top Inventory Value)
+        $topInventoryValue = \App\Modules\Inventory\Models\Inventory::with('product')
+            ->select('product_id', \Illuminate\Support\Facades\DB::raw('SUM(quantity * unit_cost) as total_value'))
+            ->where('quantity', '>', 0)
+            ->groupBy('product_id')
+            ->orderByDesc('total_value')
+            ->limit(5)
+            ->get()
+            ->map(function ($item) {
+                return [
+                    'name' => $item->product ? $item->product->name : 'Unknown Product',
+                    'code' => $item->product ? $item->product->code : '',
+                    'value' => (int)$item->total_value,
+                ];
+            });
+
+        // 熱銷數量排行 (Top Selling by Quantity)
+        $topSellingByQuantity = \App\Modules\Sales\Models\SalesImportItem::with('product')
+            ->whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->select('product_code', 'product_id', \Illuminate\Support\Facades\DB::raw('SUM(quantity) as total_quantity'))
+            ->groupBy('product_code', 'product_id')
+            ->orderByDesc('total_quantity')
+            ->limit(5)
+            ->get()
+            ->map(function ($item) {
+                return [
+                    'name' => $item->product ? $item->product->name : $item->product_code,
+                    'code' => $item->product_code,
+                    'value' => (int)$item->total_quantity,
+                ];
+            });
+
+        // 即將過期商品 (Expiring Soon)
+        $expiringSoon = \App\Modules\Inventory\Models\Inventory::with('product')
+            ->where('quantity', '>', 0)
+            ->whereNotNull('expiry_date')
+            ->where('expiry_date', '>=', now()) // 只顯示未過期但即將過期的
+            ->orderBy('expiry_date', 'asc')
+            ->limit(5)
+            ->get()
+            ->map(function ($item) {
+                return [
+                    'name' => $item->product ? $item->product->name : 'Unknown Product',
+                    'batch_number' => $item->batch_number,
+                    'expiry_date' => $item->expiry_date->format('Y-m-d'),
+                    'quantity' => (int)$item->quantity,
+                ];
+            });
 
         return Inertia::render('Dashboard', [
             'stats' => [
@@ -39,8 +135,18 @@ class DashboardController extends Controller
                 'lowStockCount' => $invStats['lowStockCount'],
                 'negativeCount' => $invStats['negativeCount'] ?? 0,
                 'expiringCount' => $invStats['expiringCount'] ?? 0,
+                'totalInventoryValue' => $invStats['totalInventoryValue'] ?? 0,
+                'thisMonthRevenue' => $thisMonthRevenue,
+                'pendingOrdersCount' => $procStats['pendingOrdersCount'] ?? 0,
+                'pendingTransferCount' => $invStats['pendingTransferCount'] ?? 0,
+                'pendingProductionCount' => $pendingProductionCount,
+                'todoCount' => ($procStats['pendingOrdersCount'] ?? 0) + ($invStats['pendingTransferCount'] ?? 0) + $pendingProductionCount,
+                'salesTrend' => $salesTrend,
+                'topSellingProducts' => $topSellingProducts,
+                'topInventoryValue' => $topInventoryValue,
+                'topSellingByQuantity' => $topSellingByQuantity,
+                'expiringSoon' => $expiringSoon,
             ],
-            'abnormalItems' => $invStats['abnormalItems'] ?? [],
         ]);
     }
 }