draft grpc

internal/api/payment/interface.go

@@ -1,3 +1,6 @@
+//go:build ignore
+// +build ignore
+
 package payment
 
 import "github.com/gin-gonic/gin"
@@ -5,10 +8,19 @@ import "github.com/gin-gonic/gin"
 // PaymentHandler defines the interface for payment operations
 type PaymentHandler interface {
 	CreatePayment(c *gin.Context)
+	ListPaymentHistory(c *gin.Context)
+	TopupWallet(c *gin.Context)
+	DownloadInvoice(c *gin.Context)
 }
 
 // CreatePaymentRequest defines the payload for creating a payment
 type CreatePaymentRequest struct {
-	PlanID string  `json:"plan_id" binding:"required"`
+	PlanID        string   `json:"plan_id" binding:"required"`
+	TermMonths    int32    `json:"term_months" binding:"required"`
+	PaymentMethod string   `json:"payment_method" binding:"required"`
+	TopupAmount   *float64 `json:"topup_amount,omitempty"`
+}
+
+type TopupWalletRequest struct {
 	Amount float64 `json:"amount" binding:"required"`
 }