package sync

import (
	dto "cid/model/dto/copydata"
	"cid/service/copydata"
	"context"
	"encoding/json"
	"fmt"

	"github.com/sirupsen/logrus"
)

type CampaignReportSync struct {
	*BaseReportSync
	converter *DataConverter
	mockGen   *MockDataGenerator
}

func NewCampaignReportSync() *CampaignReportSync {
	return &CampaignReportSync{
		BaseReportSync: NewBaseReportSync(),
		converter:      NewDataConverter(),
		mockGen:        NewMockDataGenerator(),
	}
}

func (c *CampaignReportSync) FetchReport(ctx context.Context, params interface{}) (interface{}, error) {
	req, ok := params.(*CampaignReportRequest)
	if !ok {
		return nil, fmt.Errorf("参数类型错误，期望 CampaignReportRequest 类型")
	}

	useMock := false

	if useMock {
		logrus.Info("使用 Mock 数据")
		return c.mockGen.GenerateCampaignReportResponse(), nil
	}

	respBytes, err := NewHttpClient("https://ad.e.kuaishou.com", 0).Post(ctx, "/rest/openapi/gw/esp/report/campaignReport", req)
	if err != nil {
		return nil, fmt.Errorf("调用 API 失败：%w", err)
	}

	var response CampaignReportResponse
	if err := json.Unmarshal(respBytes, &response); err != nil {
		return nil, fmt.Errorf("解析响应失败：%w", err)
	}

	if response.Code != 0 {
		return nil, fmt.Errorf("API 返回错误：code=%d, message=%s", response.Code, response.Message)
	}

	return &response, nil
}

func (c *CampaignReportSync) ConvertToSum(apiData interface{}, dataType string) interface{} {
	response, ok := apiData.(*CampaignReportResponse)
	if !ok || response.Data == nil || response.Data.Sum == nil {
		return nil
	}

	return c.converter.ConvertToSumItem(response.Data.Sum, dataType)
}

func (c *CampaignReportSync) ConvertToDetails(apiData interface{}, dataType string) []interface{} {
	response, ok := apiData.(*CampaignReportResponse)
	if !ok || response.Data == nil || len(response.Data.Detail) == 0 {
		return nil
	}

	detailItems := c.converter.ConvertToDetailItems(response.Data.Detail, dataType)

	result := make([]interface{}, len(detailItems))
	for i, item := range detailItems {
		result[i] = item
	}
	return result
}

func (c *CampaignReportSync) SaveSum(ctx context.Context, data interface{}) (int64, error) {
	sumItem, ok := data.(*dto.CidAccountReportSumItem)
	if !ok {
		return 0, fmt.Errorf("数据类型错误，期望 CidAccountReportSumItem 类型")
	}

	res, err := copydata.CidAccountReportDetail.CreateSum(ctx, sumItem)
	if err != nil {
		return 0, err
	}

	return res.Id, nil
}

func (c *CampaignReportSync) SaveDetails(ctx context.Context, data []interface{}) (int64, int64, error) {
	detailItems := make([]*dto.CidAccountReportDetailItem, len(data))
	for i, item := range data {
		detailItem, ok := item.(*dto.CidAccountReportDetailItem)
		if !ok {
			return 0, 0, fmt.Errorf("第 %d 条数据类型错误", i)
		}
		detailItems[i] = detailItem
	}

	req := &dto.BatchCreateCidAccountReportDetailReq{
		Items: detailItems,
	}

	res, err := copydata.CidAccountReportDetail.BatchCreate(ctx, req)
	if err != nil {
		return 0, 0, err
	}

	return res.SuccessCount, res.FailCount, nil
}