package gateway_test

import (
	"testing"

	"github.com/wangjia/pay/internal/gateway"
	"github.com/wangjia/pay/internal/model"
)

func TestDBProductResolver(t *testing.T) {
	db := model.OpenTestDB(t)
	db.Create(&model.Product{Name: "标准年付", Price: "299.00", BizCode: "annual_standard", Active: true})

	r := gateway.NewDBProductResolver(db)
	minor, subject, bizCode, err := r.Resolve("annual_standard", "CNY")
	if err != nil || minor != 29900 || subject != "标准年付" || bizCode != "annual_standard" {
		t.Fatalf("resolve = %d %s %s %v", minor, subject, bizCode, err)
	}
	if _, _, _, err := r.Resolve("ghost", "CNY"); err != gateway.ErrProductNotFound {
		t.Fatalf("缺套餐应 ErrProductNotFound, got %v", err)
	}
}

func TestDBProductResolverMultiCurrency(t *testing.T) {
	db := model.OpenTestDB(t)
	// 一个套餐:CNY 走 v1 Price 元 string 回退;USD/USDT 走 ProductPrice。
	p := model.Product{Name: "Pro 年付", Price: "199.00", BizCode: "pro_year", Active: true, MerchantID: 1}
	if err := db.Create(&p).Error; err != nil {
		t.Fatal(err)
	}
	rows := []model.ProductPrice{
		{ProductID: p.ID, Currency: "USD", AmountMinor: 2999},
		{ProductID: p.ID, Currency: "USDT", AmountMinor: 29990000},
	}
	if err := db.Create(&rows).Error; err != nil {
		t.Fatal(err)
	}
	r := gateway.NewDBProductResolver(db)

	// CNY 回退 Product.Price("199.00" 元 → 19900 分)
	if amt, _, code, err := r.Resolve("pro_year", "CNY"); err != nil || amt != 19900 || code != "pro_year" {
		t.Fatalf("CNY resolve = %d,%q,%v want 19900,pro_year,nil", amt, code, err)
	}
	// USD 走 ProductPrice
	if amt, _, _, err := r.Resolve("pro_year", "USD"); err != nil || amt != 2999 {
		t.Fatalf("USD resolve = %d,%v want 2999", amt, err)
	}
	// USDT 走 ProductPrice
	if amt, _, _, err := r.Resolve("pro_year", "USDT"); err != nil || amt != 29990000 {
		t.Fatalf("USDT resolve = %d,%v want 29990000", amt, err)
	}
	// 不支持的币种 → ErrProductNotFound
	if _, _, _, err := r.Resolve("pro_year", "JPY"); err != gateway.ErrProductNotFound {
		t.Fatalf("JPY resolve err = %v want ErrProductNotFound", err)
	}
}