package services

import (
	"eta/mysteel_watch/global"
	"eta/mysteel_watch/models/index"
	"eta/mysteel_watch/utils"
	"eta/mysteel_watch/watch"
	"fmt"
	"github.com/xuri/excelize/v2"
	"os"
	"strconv"
	"strings"
	"sync"
	"time"
)

const (
	IndexCreatePageSize = 100 //单个Sheet页，指标个数
)

var indexCreateCheckLock sync.RWMutex

// 有更新的指标
var hasRefreshIndexMap = make(map[string]int)

func IndexCreateCheckMerge() (err error) {
	indexCreateCheckLock.Lock()
	defer func() {
		indexCreateCheckLock.Unlock()
	}()
	fmt.Println("IndexCreateCheck")
	findList, err := watch.GetIndexCreate()
	if err != nil {
		return
	}
	lenFindList := len(findList)
	fmt.Println("查出来的指标数量:", lenFindList)
	time.Sleep(3 * time.Second)
	if lenFindList <= 0 {
		return nil
	}

	// 超限的指标编码
	codeList := make([]string, 0)
	// 需要去查询的指标编码
	list := make([]index.BaseFromMysteelChemicalIndex, 0)
	for _, v := range findList {
		if tmpV, ok := hasRefreshIndexMap[v.IndexCode]; ok {
			// 超过5次没刷到数据，就不处理了
			if tmpV >= 5 {
				codeList = append(codeList, v.IndexCode)
				continue
			}
		}
		list = append(list, v)
	}
	if len(codeList) > 0 {
		fmt.Println(strings.Join(codeList, " , "), "；刷新超限了")
	}

	lenList := len(list)
	fmt.Println("需要生成的指标数量:", lenList)
	if lenList <= 0 {
		return nil
	}

	var filePre string
	filePre = list[0].IndexCode

	startDate := "1990-01-01"
	fileName := "create_" + filePre + ".xlsx" //保存的文件名称
	mergeIndexCreateFilePath := global.CONFIG.Serve.IndexSaveDir + fileName

	if utils.FileIsExist(mergeIndexCreateFilePath) { //修改文件
		err = os.Remove(mergeIndexCreateFilePath)
		if err != nil {
			fmt.Println("os.Remove Err:" + err.Error() + "; mergeIndexCreateFilePath:" + mergeIndexCreateFilePath)
			return err
		}
	}

	// 将指标标记下，不重复刷新数据
	for _, v := range list {
		tmpV, ok := hasRefreshIndexMap[v.IndexCode]
		if !ok {
			tmpV = 0
		}
		hasRefreshIndexMap[v.IndexCode] = tmpV + 1
	}

	templateFile := excelize.NewFile()
	defer func() {
		if err := templateFile.Close(); err != nil {
			fmt.Println("templateFile.Close() err:" + err.Error())
		}
	}()
	// 总共需要生成的sheet数量
	num := lenList / IndexCreatePageSize
	if lenList%IndexCreatePageSize > 0 {
		num++
	}
	fmt.Println("需要生成的sheet页数量：", num)
	endIndex := num - 1
	for i := 0; i <= endIndex; i++ {
		pageList := make([]index.BaseFromMysteelChemicalIndex, 0)
		if i < endIndex {
			pageList = list[IndexCreatePageSize*i : IndexCreatePageSize*(i+1)]
		} else {
			pageList = list[IndexCreatePageSize*i:]
		}
		//fmt.Println(pageList)

		// 生成批注
		commentResult, tmpErr := GetIndexCommentV3(mergeIndexCreateFilePath, startDate, pageList)
		if tmpErr != nil {
			fmt.Println("GetIndexCommentV3 Err:" + tmpErr.Error())
			err = tmpErr
			return
		}

		// 写入到对应的sheet页
		sheetName := "Sheet" + strconv.Itoa(i+1)

		templateFile.NewSheet(sheetName)

		templateFile.DeleteComment(sheetName, "A1")
		templateFile.AddComment(sheetName, "A1", commentResult)
		//templateFile.SetSheetRow(sheetName, "A1", "钢联数据")
		templateFile.SetCellStr(sheetName, "A1", "钢联数据")
	}

	if err = templateFile.SaveAs(mergeIndexCreateFilePath); err != nil {
		fmt.Println("保存失败,Err:" + err.Error())
		templateFile.Close()
		return
	}

	defer templateFile.Close()
	time.Sleep(3 * time.Second)

	// 将待刷新的excel文件路径传入到list里面处理
	AddIndexRefreshToLPush(mergeIndexCreateFilePath)

	return nil
}