优化套餐显示逻辑新增多语言

lib/app/modules/kr_purchase_membership/controllers/kr_purchase_membership_controller.dart

@@ -372,20 +372,26 @@ class KRPurchaseMembershipController extends GetxController {
   }
 
   /// 获取套餐价格
+  /// discount: 0 表示无折扣（原价），其他值表示折扣百分比
   double kr_getPlanPrice(KRPackageListItem plan, {int? discountIndex}) {
     if (discountIndex != null &&
         discountIndex >= 0 &&
         discountIndex < plan.kr_discount.length) {
       // 计算折扣价格
       final discount = plan.kr_discount[discountIndex];
+      // 如果 discount 是 0，则表示原价（100%）
+      final discountRate = discount.kr_discount == 0 ? 100.0 : discount.kr_discount.toDouble();
       return (plan.kr_unitPrice / 100) *
           discount.kr_quantity *
-          (discount.kr_discount / 100);
+          (discountRate / 100);
     }
     return plan.kr_unitPrice / 100;
   }
 
   /// 获取时间字符串
+  /// 根据 quantity 和 unit_time 转换成多语言描述
+  /// Day: 7天 -> "一周"，30天 -> "一个月"，90天 -> "一个季度"，180天 -> "半年"，365天 -> "一年"
+  /// Month: 3月 -> "一个季度"，6月 -> "半年"，12月 -> "一年"
   String kr_getTimeStr(KRPackageListItem plan, {int? discountIndex}) {
     final quantity = discountIndex != null &&
             discountIndex >= 0 &&
@@ -393,25 +399,52 @@ class KRPurchaseMembershipController extends GetxController {
         ? plan.kr_discount[discountIndex].kr_quantity
         : 1;
 
-    if (plan.kr_unitTime == 'Month') {
-      return AppTranslations.kr_purchaseMembership.month(quantity);
+    // 如果是 Day 单位，需要转换为对应的描述
+    if (plan.kr_unitTime == 'Day') {
+      switch (quantity) {
+        case 7:
+          return AppTranslations.kr_purchaseMembership.oneWeek;
+        case 30:
+          return AppTranslations.kr_purchaseMembership.oneMonth;
+        case 90:
+          return AppTranslations.kr_purchaseMembership.oneQuarter;
+        case 180:
+          return AppTranslations.kr_purchaseMembership.halfYear;
+        case 365:
+          return AppTranslations.kr_purchaseMembership.oneYear;
+        default:
+          return AppTranslations.kr_purchaseMembership.days(quantity);
+      }
+    } else if (plan.kr_unitTime == 'Month') {
+      // 月份也需要转换
+      switch (quantity) {
+        case 1:
+          return AppTranslations.kr_purchaseMembership.oneMonth;
+        case 3:
+          return AppTranslations.kr_purchaseMembership.oneQuarter;
+        case 6:
+          return AppTranslations.kr_purchaseMembership.halfYear;
+        case 12:
+          return AppTranslations.kr_purchaseMembership.oneYear;
+        default:
+          return AppTranslations.kr_purchaseMembership.month(quantity);
+      }
     } else if (plan.kr_unitTime == 'Year') {
       return AppTranslations.kr_purchaseMembership.year(quantity);
-    } else if (plan.kr_unitTime == 'Day') {
-      return AppTranslations.kr_purchaseMembership.day(quantity);
     }
     return '';
   }
 
   /// 获取折扣文本
+  /// discount: 0 或 100 表示原价（无折扣），其他值表示折扣百分比
   String kr_getDiscountText(KRPackageListItem plan, int discountIndex) {
     if (discountIndex >= 0 && discountIndex < plan.kr_discount.length) {
       final discount = plan.kr_discount[discountIndex];
-      // 折扣值为 100 表示原价，不需要显示折扣
-      if (discount.kr_discount == 100) {
+      // 折扣值为 0 或 100 都表示原价，不需要显示折扣
+      if (discount.kr_discount == 0 || discount.kr_discount == 100) {
         return '';
       }
-      // 计算折扣百分比（例如：95% 显示为 -5%）
+      // 计算折扣百分比（例如：97% 显示为 -3%）
       final discountPercent = 100 - discount.kr_discount;
       return '-${discountPercent}%';
     }