package paymentconfig

import (
	"testing"
	"time"

	"hfb_sys/backend/internal/model"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
)

func TestImportCreateRequestKeepsOneActiveConfigPerPayWay(t *testing.T) {
	configs := []ConfigDTO{
		{Provider: "lakala", MerchantID: "M1", PayWay: "ZFBZF", Status: "active", IsDefault: true},
		{Provider: "leshua", MerchantID: "M2", PayWay: "ZFBZF", Status: "active", IsDefault: false},
		{Provider: "leshua", MerchantID: "M3", PayWay: "WXZF", Status: "active", IsDefault: true},
	}
	activeKeys := backupActiveKeys(configs)

	first := importCreateRequest(configs[0], activeKeys)
	second := importCreateRequest(configs[1], activeKeys)
	third := importCreateRequest(configs[2], activeKeys)

	if first.Status != "active" || !first.IsDefault {
		t.Fatalf("first config status/default = %s/%v, want active/true", first.Status, first.IsDefault)
	}
	if second.Status != "disabled" || second.IsDefault {
		t.Fatalf("second config status/default = %s/%v, want disabled/false", second.Status, second.IsDefault)
	}
	if third.Status != "active" || !third.IsDefault {
		t.Fatalf("third config status/default = %s/%v, want active/true", third.Status, third.IsDefault)
	}
}

func TestImportCreateRequestPreservesTestingConfig(t *testing.T) {
	cfg := ConfigDTO{
		Provider:   "lakala",
		MerchantID: "M1",
		Status:     "testing",
	}

	req := importCreateRequest(cfg, nil)

	if req.Status != "testing" || req.IsDefault {
		t.Fatalf("status/default = %s/%v, want testing/false", req.Status, req.IsDefault)
	}
}

func TestValidateCreateRequestRequiresShunchengSecretID(t *testing.T) {
	repo := &Repository{}
	req := CreateRequest{
		Name:       "顺成生产商户",
		Provider:   "shuncheng",
		MerchantID: "0000000038",
		GatewayURL: "http://jyzxapi.ydxnhb.com",
		SignKey:    "secret-key",
		NotifyKey:  "notify-key",
		NotifyURL:  "https://example.com/api/payments/shuncheng/notify",
		PayWay:     "ZFBZF",
	}
	if err := repo.validateCreateRequest(req); err != ErrSecretIDRequired {
		t.Fatalf("validateCreateRequest() error = %v, want ErrSecretIDRequired", err)
	}

	req.ExtraConfig = map[string]any{"secret_id": "SEC-1"}
	if err := repo.validateCreateRequest(req); err != nil {
		t.Fatalf("validateCreateRequest() error = %v, want nil", err)
	}
}

// TestListUsesSuccessfulPaymentStats 验证配置页只统计成功支付，不把打开二维码或取消订单算作成交。
func TestListUsesSuccessfulPaymentStats(t *testing.T) {
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
	if err != nil {
		t.Fatalf("open db failed: %v", err)
	}
	if err := db.AutoMigrate(&model.PaymentMerchantConfig{}, &model.PaymentOrder{}); err != nil {
		t.Fatalf("migrate failed: %v", err)
	}
	config := model.PaymentMerchantConfig{
		Name:              "拉卡拉微信",
		Provider:          "lakala",
		MerchantID:        "M1",
		PayWay:            "WXZF",
		Status:            "active",
		Environment:       "production",
		TotalTransactions: 99,
		TotalAmountCent:   999999,
	}
	if err := db.Create(&config).Error; err != nil {
		t.Fatalf("create config failed: %v", err)
	}
	paidAt := time.Date(2026, 6, 14, 23, 36, 7, 0, time.UTC)
	payments := []model.PaymentOrder{
		{
			PaymentNo:       "PAY-SUCCESS",
			OrderID:         1,
			OrderNo:         "ORD-SUCCESS",
			UserID:          2,
			PaymentConfigID: config.ID,
			Provider:        "lakala",
			MerchantID:      "M1",
			ThirdOrderID:    "PAY-SUCCESS",
			AmountCent:      10130,
			BizType:         "order_pay",
			Status:          "paid",
			PaidAt:          &paidAt,
		},
		{
			PaymentNo:       "PAY-CANCELLED",
			OrderID:         2,
			OrderNo:         "ORD-CANCELLED",
			UserID:          2,
			PaymentConfigID: config.ID,
			Provider:        "lakala",
			MerchantID:      "M1",
			ThirdOrderID:    "PAY-CANCELLED",
			AmountCent:      10130,
			BizType:         "order_pay",
			Status:          "closed",
		},
		{
			PaymentNo:       "PAY-LEGACY",
			OrderID:         3,
			OrderNo:         "ORD-LEGACY",
			UserID:          2,
			PaymentConfigID: 0,
			Provider:        "lakala",
			MerchantID:      "M1",
			ThirdOrderID:    "PAY-LEGACY",
			PayWay:          "WXZF",
			AmountCent:      10130,
			BizType:         "order_pay",
			Status:          "failed",
		},
	}
	if err := db.Create(&payments).Error; err != nil {
		t.Fatalf("create payments failed: %v", err)
	}
	repo := NewRepository(db, nil)

	items, total, err := repo.List(t.Context(), ListQuery{Page: 1, PageSize: 20})
	if err != nil {
		t.Fatalf("List() error = %v", err)
	}
	if total != 1 || len(items) != 1 {
		t.Fatalf("items/total = %d/%d, want 1/1", len(items), total)
	}
	if items[0].TotalTransactions != 1 || items[0].TotalAmountCent != 10130 {
		t.Fatalf("success stats = %d/%d, want 1/10130", items[0].TotalTransactions, items[0].TotalAmountCent)
	}
	if items[0].ReferenceCount != 3 {
		t.Fatalf("reference_count = %d, want 3", items[0].ReferenceCount)
	}
	if items[0].LastUsedAt == nil {
		t.Fatal("last success pay time should not be nil")
	}
}