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resources/js/constants/purchase-order.ts

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+/**
+ * 採購單相關常數
+ */
+
+import type { PurchaseOrderStatus, PaymentMethod, InvoiceType } from "@/types/purchase-order";
+
+// 狀態標籤配置
+export const STATUS_CONFIG: Record<
+    PurchaseOrderStatus,
+    { label: string; variant: "default" | "secondary" | "destructive" | "outline" }
+> = {
+    draft: { label: "草稿", variant: "outline" },
+    pending: { label: "待審核", variant: "outline" },
+    processing: { label: "處理中", variant: "outline" },
+    shipping: { label: "運送中", variant: "outline" },
+    confirming: { label: "待確認", variant: "outline" },
+    completed: { label: "已完成", variant: "outline" },
+    cancelled: { label: "已取消", variant: "outline" },
+};
+
+export const STATUS_OPTIONS = Object.entries(STATUS_CONFIG).map(([value, config]) => ({
+    value,
+    label: (config as any).label,
+}));
+
+// 付款方式選項
+export const PAYMENT_METHODS: Record<PaymentMethod, string> = {
+    cash: "現金",
+    bank_transfer: "銀行轉帳",
+    credit_card: "信用卡",
+    check: "支票",
+};
+
+// 發票類型選項
+export const INVOICE_TYPES: Record<InvoiceType, string> = {
+    duplicate: "二聯式",
+    triplicate: "三聯式",
+    electronic: "電子發票",
+};
+
+// 退回原因選項
+export const REJECTION_REASONS = [
+    { value: "預算不足", label: "預算不足" },
+    { value: "非必要採購", label: "非必要採購" },
+    { value: "數量過多", label: "數量過多" },
+    { value: "價格過高", label: "價格過高" },
+    { value: "資訊不完整", label: "資訊不完整" },
+    { value: "其他", label: "其他" },
+];
+
+/**
+ * 價格警示閾值（百分比）
+ * 當單價比上次採購價高出此百分比時，顯示警示
+ */
+export const PRICE_ALERT_THRESHOLD = 5;