package excel

import (
	"encoding/json"
	"errors"
	"eta/eta_api/models/data_manage/excel"
	excelServices "eta/eta_api/services/excel"
	"fmt"
)

// GetCustomAnalysisExcelData 获取自定义分析的表格data数据
func GetCustomAnalysisExcelData(excelInfo *excel.ExcelInfo) (luckySheet excelServices.LuckySheet, err error, errMsg string) {
	// 查找当前excel的sheet列表
	sheetList, err := excel.GetAllSheetList(excelInfo.ExcelInfoId)
	if err != nil {
		errMsg = "保存失败"
		err = errors.New("查找当前excel的sheet列表失败，Err:" + err.Error())
		return
	}
	currSheetMap := make(map[string]string)
	for _, sheet := range sheetList {
		currSheetMap[sheet.SheetName] = sheet.SheetName
	}

	sheetCellDataMapList := make(map[int][]excelServices.LuckySheetCellData)

	// 通过excel的id获取各个sheet的单元格数据map
	{
		dataList, tmpErr := excel.GetSheetDataListByExcelInfoId(excelInfo.ExcelInfoId)
		if tmpErr != nil {
			err = tmpErr
			return
		}

		for _, cellData := range dataList {
			sheetDataList, ok := sheetCellDataMapList[cellData.ExcelSheetId]
			if !ok {
				sheetDataList = make([]excelServices.LuckySheetCellData, 0)
			}

			tmpSheetDataList := make([]excelServices.LuckySheetCellData, 0)
			err = json.Unmarshal([]byte(cellData.Data), &tmpSheetDataList)
			if err != nil {
				return
			}
			sheetCellDataMapList[cellData.ExcelSheetId] = append(sheetDataList, tmpSheetDataList...)
		}
	}

	// 转成luckySheet的数据格式
	luckySheet = excelServices.LuckySheet{
		SheetList: make([]excelServices.LuckySheetData, 0),
	}

	for _, sheet := range sheetList {
		var luckySheetDataConfig excelServices.LuckySheetDataConfig
		err = json.Unmarshal([]byte(sheet.Config), &luckySheetDataConfig)
		if err != nil {
			return
		}
		tmpLuckySheetDataInfo := excelServices.LuckySheetData{
			Name:     sheet.SheetName,
			Index:    sheet.Sort,
			CellData: sheetCellDataMapList[sheet.ExcelSheetId],
			Config:   luckySheetDataConfig,
		}
		luckySheet.SheetList = append(luckySheet.SheetList, tmpLuckySheetDataInfo)
	}

	return
}

// GenerateExcelCustomAnalysisExcel 根据自定义分析的表格data数据生成excel
func GenerateExcelCustomAnalysisExcel(excelInfo *excel.ExcelInfo) (downloadFilePath string, err error, errMsg string) {
	luckySheet, err, errMsg := GetCustomAnalysisExcelData(excelInfo)
	if err != nil {
		return
	}

	downloadFilePath, err = luckySheet.ToExcel()
	fmt.Println("生成的文件地址：", downloadFilePath)

	return
}