package usecase

import (
	"app-cloudep-trade-service/internal/domain/order"
	"app-cloudep-trade-service/internal/domain/usecase"
	mockmodel "app-cloudep-trade-service/internal/mock/model"
	model "app-cloudep-trade-service/internal/model/mongo"
	"context"
	"errors"
	"time"

	"github.com/go-playground/assert/v2"
	"github.com/shopspring/decimal"
	"github.com/zeromicro/go-zero/core/stores/mon"
	"go.uber.org/mock/gomock"

	"testing"
)

func TestOrderUseCase_CancelOrder(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	// 初始化 mock 依賴
	mockOrderModel := mockmodel.NewMockOrderModel(ctrl)

	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	cancelOrderQuery := usecase.CancelOrderQuery{
		BusinessID: "business_123",
		Status:     order.Cancelled, // 使用模擬的狀態
	}

	tests := []struct {
		name      string
		mockSetup func()
		param     usecase.CancelOrderQuery
		wantErr   bool
	}{
		{
			name: "successful order cancellation",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateStatus(gomock.Any(), model.UpdateStatusReq{
					BusinessID: cancelOrderQuery.BusinessID,
					Status:     cancelOrderQuery.Status.ToInt64(),
				}).Return(nil, nil)
			},
			param:   cancelOrderQuery,
			wantErr: false,
		},
		{
			name: "failed order cancellation",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateStatus(gomock.Any(), model.UpdateStatusReq{
					BusinessID: cancelOrderQuery.BusinessID,
					Status:     cancelOrderQuery.Status.ToInt64(),
				}).Return(nil, errors.New("update error"))
			},
			param:   cancelOrderQuery,
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup() // 設置每個測試用例的 mock 行為
			err := orderUseCase.CancelOrder(context.Background(), tt.param)
			if (err != nil) != tt.wantErr {
				t.Errorf("CancelOrder() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestOrderUseCase_CreateOrder(t *testing.T) {
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	// 初始化 mock 依賴
	mockOrderModel := mockmodel.NewMockOrderModel(mockCtrl)
	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	now := time.Now().UTC().UnixNano()

	// 構建測試參數
	createOrderReq := usecase.CreateOrderReq{
		BusinessID:          "business_123",
		OrderType:           order.TestType,
		OrderStatus:         order.Created,
		Brand:               "test_brand",
		OrderUID:            "user_123",
		ReferenceID:         "reference_123",
		Count:               decimal.NewFromInt(2),
		OrderFee:            decimal.NewFromFloat(0.01),
		Amount:              decimal.NewFromFloat(100.0),
		ReferenceBrand:      StringPtr("reference_brand"),
		ReferenceUID:        StringPtr("reference_uid"),
		WalletStatus:        1,
		ThreePartyStatus:    Int64Ptr(2),
		DirectionType:       1,
		CryptoType:          StringPtr("BTC"),
		PaymentFiat:         StringPtr("USD"),
		PaymentTemplateID:   StringPtr("template_001"),
		OrderArrivalTime:    Int64Ptr(now),
		OrderPaymentTime:    Int64Ptr(now),
		UnpaidTimeoutSecond: Int64Ptr(3600),
		ChainType:           StringPtr("mainnet"),
		TxHash:              StringPtr("tx_hash_123"),
		FromAddress:         StringPtr("from_address"),
		ToAddress:           StringPtr("to_address"),
		ChainFeeCrypto:      StringPtr("ETH"),
		Memo:                StringPtr("test memo"),
		OrderNote:           StringPtr("test order note"),
	}

	tests := []struct {
		name      string
		mockSetup func()
		param     usecase.CreateOrderReq
		wantErr   bool
	}{
		{
			name: "successful order creation",
			mockSetup: func() {
				mockOrderModel.EXPECT().Insert(gomock.Any(), gomock.Any()).Return(nil)
			},
			param:   createOrderReq,
			wantErr: false,
		},
		{
			name: "failed order creation",
			mockSetup: func() {
				mockOrderModel.EXPECT().Insert(gomock.Any(), gomock.Any()).Return(errors.New("insert error"))
			},
			param:   createOrderReq,
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup() // 設置每個測試用例的 mock 行為
			err := orderUseCase.CreateOrder(context.Background(), tt.param)
			if (err != nil) != tt.wantErr {
				t.Errorf("CreateOrder() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestOrderUseCase_DeleteOrder(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	// 初始化 mock 依賴
	mockOrderModel := mockmodel.NewMockOrderModel(ctrl)

	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	// 構建測試參數
	deleteOrderQuery := usecase.DeleteOrderQuery{
		BusinessID: "business_123",
	}

	tests := []struct {
		name      string
		mockSetup func()
		param     usecase.DeleteOrderQuery
		wantErr   bool
	}{
		{
			name: "successful order deletion",
			mockSetup: func() {
				mockOrderModel.EXPECT().DeleteByBusinessID(gomock.Any(), deleteOrderQuery.BusinessID).Return(nil, nil)
			},
			param:   deleteOrderQuery,
			wantErr: false,
		},
		{
			name: "failed order deletion",
			mockSetup: func() {
				mockOrderModel.EXPECT().DeleteByBusinessID(gomock.Any(), deleteOrderQuery.BusinessID).Return(nil, errors.New("delete error"))
			},
			param:   deleteOrderQuery,
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup() // 設置每個測試用例的 mock 行為
			err := orderUseCase.DeleteOrder(context.Background(), tt.param)
			if (err != nil) != tt.wantErr {
				t.Errorf("DeleteOrder() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestOrderUseCase_GetOrder(t *testing.T) {
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	// 初始化 mock 依賴
	mockOrderModel := mockmodel.NewMockOrderModel(mockCtrl)
	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	getOrderQuery := usecase.GetOrderQuery{
		BusinessID: "business_123",
	}

	// 構建測試用例返回的 Order
	mockOrder := &model.Order{
		UpdateTime:          123456789,
		CreateTime:          123456789,
		BusinessID:          "business_123",
		OrderType:           order.TestType,
		OrderStatus:         order.Created,
		Brand:               "test_brand",
		OrderUID:            "user_123",
		ReferenceID:         "reference_123",
		Count:               decimal.NewFromInt(2),
		OrderFee:            decimal.NewFromFloat(0.01),
		Amount:              decimal.NewFromFloat(100.0),
		ReferenceBrand:      StringPtr("reference_brand"),
		ReferenceUID:        StringPtr("reference_uid"),
		WalletStatus:        1,
		ThreePartyStatus:    Int64Ptr(2),
		DirectionType:       1,
		CryptoType:          StringPtr("BTC"),
		PaymentFiat:         StringPtr("USD"),
		PaymentTemplateID:   StringPtr("template_001"),
		OrderArrivalTime:    Int64Ptr(123456789),
		OrderPaymentTime:    Int64Ptr(123456789),
		UnpaidTimeoutSecond: Int64Ptr(3600),
		ChainType:           StringPtr("mainnet"),
		TxHash:              StringPtr("tx_hash_123"),
		FromAddress:         StringPtr("from_address"),
		ToAddress:           StringPtr("to_address"),
		ChainFeeCrypto:      StringPtr("ETH"),
		Memo:                StringPtr("test memo"),
		OrderNote:           StringPtr("test order note"),
	}

	tests := []struct {
		name      string
		mockSetup func()
		param     usecase.GetOrderQuery
		wantResp  *usecase.GetOrderResp
		wantErr   bool
	}{
		{
			name: "successful order retrieval",
			mockSetup: func() {
				mockOrderModel.EXPECT().FindOneBusinessID(gomock.Any(), getOrderQuery.BusinessID).Return(mockOrder, nil)
			},
			param: getOrderQuery,
			wantResp: &usecase.GetOrderResp{ // 构建预期响应
				UpdateTime:          mockOrder.UpdateTime,
				CreateTime:          mockOrder.CreateTime,
				BusinessID:          mockOrder.BusinessID,
				OrderType:           mockOrder.OrderType,
				OrderStatus:         mockOrder.OrderStatus,
				Brand:               mockOrder.Brand,
				OrderUID:            mockOrder.OrderUID,
				ReferenceID:         mockOrder.ReferenceID,
				Count:               mockOrder.Count.String(),
				OrderFee:            mockOrder.OrderFee.String(),
				Amount:              mockOrder.Amount.String(),
				ReferenceBrand:      mockOrder.ReferenceBrand,
				ReferenceUID:        mockOrder.ReferenceUID,
				WalletStatus:        Int64Ptr(mockOrder.WalletStatus),
				ThreePartyStatus:    mockOrder.ThreePartyStatus,
				DirectionType:       Int64Ptr(mockOrder.DirectionType),
				CryptoType:          mockOrder.CryptoType,
				PaymentFiat:         mockOrder.PaymentFiat,
				PaymentTemplateID:   mockOrder.PaymentTemplateID,
				OrderArrivalTime:    mockOrder.OrderArrivalTime,
				OrderPaymentTime:    mockOrder.OrderPaymentTime,
				UnpaidTimeoutSecond: mockOrder.UnpaidTimeoutSecond,
				ChainType:           mockOrder.ChainType,
				TxHash:              mockOrder.TxHash,
				FromAddress:         mockOrder.FromAddress,
				ToAddress:           mockOrder.ToAddress,
				ChainFeeCrypto:      mockOrder.ChainFeeCrypto,
				Memo:                mockOrder.Memo,
				OrderNote:           mockOrder.OrderNote,
			},
			wantErr: false,
		},
		{
			name: "order not found",
			mockSetup: func() {
				mockOrderModel.EXPECT().FindOneBusinessID(gomock.Any(), getOrderQuery.BusinessID).Return(nil, mon.ErrNotFound)
			},
			param:    getOrderQuery,
			wantResp: nil,
			wantErr:  true,
		},
		{
			name: "database error",
			mockSetup: func() {
				mockOrderModel.EXPECT().FindOneBusinessID(gomock.Any(), getOrderQuery.BusinessID).Return(nil, errors.New("database error"))
			},
			param:    getOrderQuery,
			wantResp: nil,
			wantErr:  true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup() // 設置每個測試用例的 mock 行為
			resp, err := orderUseCase.GetOrder(context.Background(), tt.param)

			if (err != nil) != tt.wantErr {
				t.Errorf("GetOrder() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			assert.Equal(t, tt.wantResp, resp)
		})
	}
}

func TestOrderUseCase_ListOrder(t *testing.T) {
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	mockOrderModel := mockmodel.NewMockOrderModel(mockCtrl)
	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	listOrderQuery := usecase.GetOrderListReq{
		PageIndex:   1,
		PageSize:    10,
		BusinessID:  "business_123",
		OrderStatus: []int64{int64(order.Created)},
	}

	mockOrders := []model.Order{
		{
			BusinessID:  "business_123",
			OrderUID:    "user_123",
			OrderStatus: order.Created,
			// 其他欄位根據需要填充
		},
	}
	mockTotal := int64(1)

	tests := []struct {
		name      string
		mockSetup func()
		param     usecase.GetOrderListReq
		wantResp  *usecase.ListOrderResp
		wantErr   bool
	}{
		{
			name: "successful order listing",
			mockSetup: func() {
				mockOrderModel.EXPECT().ListOrder(gomock.Any(), gomock.Any()).Return(mockOrders, mockTotal, nil)
			},
			param: listOrderQuery,
			wantResp: &usecase.ListOrderResp{
				Data: orderUseCase.convertOrdersToResponses(mockOrders),
				Page: &usecase.Pager{
					Total: mockTotal,
					Index: listOrderQuery.PageIndex,
					Size:  listOrderQuery.PageSize,
				},
			},
			wantErr: false,
		},
		{
			name: "order listing error",
			mockSetup: func() {
				mockOrderModel.EXPECT().ListOrder(gomock.Any(), gomock.Any()).Return(nil, int64(0), errors.New("listing error"))
			},
			param:    listOrderQuery,
			wantResp: nil,
			wantErr:  true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup()
			resp, err := orderUseCase.ListOrder(context.Background(), tt.param)
			if (err != nil) != tt.wantErr {
				t.Errorf("ListOrder() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			assert.Equal(t, tt.wantResp, resp)
		})
	}
}

func TestOrderUseCase_ModifyOrderStatus(t *testing.T) {
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	mockOrderModel := mockmodel.NewMockOrderModel(mockCtrl)
	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	modifyOrderQuery := &usecase.ModifyOrderQuery{
		BusinessID: "business_123",
		Status:     int64(order.Cancelled),
	}

	tests := []struct {
		name      string
		mockSetup func()
		param     *usecase.ModifyOrderQuery
		wantErr   bool
	}{
		{
			name: "successful order status modification",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateStatus(gomock.Any(), model.UpdateStatusReq{
					BusinessID: modifyOrderQuery.BusinessID,
					Status:     modifyOrderQuery.Status,
				}).Return(nil, nil)
			},
			param:   modifyOrderQuery,
			wantErr: false,
		},
		{
			name: "order status modification error",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateStatus(gomock.Any(), model.UpdateStatusReq{
					BusinessID: modifyOrderQuery.BusinessID,
					Status:     modifyOrderQuery.Status,
				}).Return(nil, errors.New("update error"))
			},
			param:   modifyOrderQuery,
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup()
			err := orderUseCase.ModifyOrderStatus(context.Background(), tt.param)
			if (err != nil) != tt.wantErr {
				t.Errorf("ModifyOrderStatus() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestOrderUseCase_OrderStatusTimeout(t *testing.T) {
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	mockOrderModel := mockmodel.NewMockOrderModel(mockCtrl)
	orderUseCase := &OrderUseCase{
		OrderModel: mockOrderModel,
	}

	tests := []struct {
		name      string
		mockSetup func()
		wantErr   bool
	}{
		{
			name: "successful timeout update",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateTimeoutOrder(gomock.Any(), gomock.Any()).Return(nil, nil)
			},
			wantErr: false,
		},
		{
			name: "timeout update error",
			mockSetup: func() {
				mockOrderModel.EXPECT().UpdateTimeoutOrder(gomock.Any(), gomock.Any()).Return(nil, errors.New("timeout error"))
			},
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.mockSetup()
			err := orderUseCase.OrderStatusTimeout(context.Background())
			if (err != nil) != tt.wantErr {
				t.Errorf("OrderStatusTimeout() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}