package payment

import (
	"testing"

	"hfb_sys/backend/internal/model"
)

func TestCanReuseOrderPaymentRejectsTerminalAndOldChannel(t *testing.T) {
	runtimeConfig := runtimePaymentConfig{
		Provider:   "lakala",
		MerchantID: "M2",
	}

	cases := []struct {
		name    string
		payment model.PaymentOrder
		want    bool
	}{
		{
			name:    "同商户支付中可复用",
			payment: model.PaymentOrder{Status: "paying", Provider: "lakala", MerchantID: "M2"},
			want:    true,
		},
		{
			name:    "已支付保持幂等",
			payment: model.PaymentOrder{Status: "paid", Provider: "leshua", MerchantID: "M1"},
			want:    true,
		},
		{
			name:    "失败支付单不复用",
			payment: model.PaymentOrder{Status: "failed", Provider: "lakala", MerchantID: "M2"},
			want:    false,
		},
		{
			name:    "关闭支付单不复用",
			payment: model.PaymentOrder{Status: "closed", Provider: "lakala", MerchantID: "M2"},
			want:    false,
		},
		{
			name:    "旧渠道支付单不复用",
			payment: model.PaymentOrder{Status: "paying", Provider: "leshua", MerchantID: "M1"},
			want:    false,
		},
		{
			name:    "旧商户支付单不复用",
			payment: model.PaymentOrder{Status: "paying", Provider: "lakala", MerchantID: "M1"},
			want:    false,
		},
	}

	for _, tt := range cases {
		t.Run(tt.name, func(t *testing.T) {
			if got := canReuseOrderPayment(tt.payment, runtimeConfig); got != tt.want {
				t.Fatalf("canReuseOrderPayment() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestNewOrderPaymentUsesPaymentNoAsThirdOrderID(t *testing.T) {
	order := model.RentalOrder{
		ID:       11,
		OrderNo:  "ORD123",
		RenterID: 7,
	}
	runtimeConfig := runtimePaymentConfig{
		Provider:   "lakala",
		MerchantID: "M2",
		PayWay:     "ZFBZF",
		JSPayFlag:  "2",
	}

	payment, err := newOrderPayment(order, 100, StartPaymentRequest{}, runtimeConfig)
	if err != nil {
		t.Fatalf("newOrderPayment() error = %v", err)
	}
	if payment.ThirdOrderID != payment.PaymentNo {
		t.Fatalf("ThirdOrderID = %q, want PaymentNo %q", payment.ThirdOrderID, payment.PaymentNo)
	}
	if payment.ThirdOrderID == order.OrderNo {
		t.Fatalf("ThirdOrderID should not reuse order no %q", order.OrderNo)
	}
	if payment.OrderNo != order.OrderNo || payment.OrderID != order.ID || payment.UserID != order.RenterID {
		t.Fatalf("payment order fields mismatch: %+v", payment)
	}
}