package ruizide

import (
	"encoding/json"
	"eta/eta_data_analysis/models"
	"eta/eta_data_analysis/utils"
	"fmt"
	"github.com/shopspring/decimal"
	"github.com/xuri/excelize/v2"
	"os"
	"path/filepath"
	"strings"
)

const (
	OilSupplyAnalysis = "Oil Supply Analysis"
	OsaBeginRow       = 1
	OsaRows           = 3
)

var (
	OilSupplyAnalysisConfigMap = map[string]OSAPConfig{
		"Chart 1": {
			Frequency:          "月度",
			Unit:               "千桶每天",
			IndexNameColSuffix: "Oil Classification Group",
			IndexRow:           1,
			DataRow:            2,
			DateRow:            0,
		},
		"Chart 3": {
			Frequency:          "月度",
			Unit:               "千桶每天",
			IndexNameColSuffix: "CapacityDetail",
			IndexRow:           1,
			DataRow:            2,
			DateRow:            0,
		},
		"Chart 4": {
			Frequency:          "月度",
			Unit:               "千桶每天",
			IndexNameColSuffix: "Region",
			IndexRow:           2,
			DataRow:            1,
			DateRow:            0,
		},
		"Chart 5": {
			Frequency:          "月度",
			Unit:               "千桶每天",
			IndexNameColSuffix: "OilAndGasCategory",
			IndexRow:           1,
			DataRow:            2,
			DateRow:            0,
		},
	}
)

type OSAPConfig struct {
	Frequency          string
	Unit               string
	IndexNameColSuffix string
	IndexRow           int
	DataRow            int
	DateRow            int
}

type OilSupplyAnalysisProcessor struct {
}

func (p *OilSupplyAnalysisProcessor) Process(tableName string) (err error) {
	var fileName string
	// 解析表格
	fileName = tableName + "_" + utils.GetCurrentYearMonth() + ".xlsx"
	filePath := filepath.Join(excelDir, fileName)
	if _, err = os.Stat(filePath); os.IsNotExist(err) {
		utils.FileLog.Error("文件不存在: %v", err)
		return
	}
	// 打开 Excel 文件
	file, err := excelize.OpenFile(filePath)
	if err != nil {
		utils.FileLog.Error("无法打开 Excel 文件: %v", err)
		return
	}
	sheetNames := file.GetSheetList()
	classifyIds, err := dealClassify(CubeDashboards, []string{OilSupplyAnalysis})
	// 获取所有工作表
	if err != nil {
		utils.FileLog.Error("获取分类Id失败: %v", err)
		return
	}
	//按照sheet页来处理数据,一个sheet发送一次服务器
	for _, sheetName := range sheetNames {
		var indexMap = make(map[string]*models.IndexInfo)
		// 获取工作表的最大行数
		dataRows, excelErr := file.GetRows(sheetName) // 直接获取所有行数据
		if excelErr != nil {
			utils.FileLog.Error("获取工作表数据时出错: %v", excelErr)
			continue
		}
		if sheetConfig, ok := OilSupplyAnalysisConfigMap[sheetName]; ok {
			// 匹配非数字字符
			classifyId := classifyIds[OilSupplyAnalysis]
			indexMap, err = DataHandler(dataRows, sheetConfig, classifyId)
			// 新增数据源指标数据
			if len(indexMap) > 0 {
				for _, index := range indexMap {
					pars := chunkIndexData(index, rzdBatchSize)
					for _, par := range pars {
						// 转换成json
						marshal, parseErr := json.Marshal(par)
						if parseErr != nil {
							utils.FileLog.Error("json.Marshal err: %v", parseErr)
							return parseErr
						}
						// 发送 HTTP POST 请求
						_, err = utils.HttpPostRequest(utils.EDB_LIB_URL+utils.ADD_BATCH_RZD_DATA, string(marshal), "application/json")
						if err != nil {
							utils.FileLog.Error("postEdbLib err: %v", err)
							return err
						}
					}
				}
			}
		}
	}
	return
}
func DataHandler(dataRows [][]string, sheetConfig OSAPConfig, classifyId int) (indexMap map[string]*models.IndexInfo, err error) {
	indexMap = make(map[string]*models.IndexInfo)
	for _, rowData := range dataRows[BeginRow : len(dataRows)-1] {
		less := Rows - len(rowData)
		if less > 0 {
			for i := 0; i < less; i++ {
				rowData = append(rowData, "")
			}
		}
		// step_2: 指标
		// 指标名称
		indexName := OilSupplyAnalysis + "/" + sheetConfig.IndexNameColSuffix + "/" + rowData[sheetConfig.IndexRow]
		// 生成指标编码
		indexCode := getIndexId(fmt.Sprintf("%s %s", OilSupplyAnalysis, sheetConfig.IndexNameColSuffix), strings.ReplaceAll(strings.ToLower(rowData[sheetConfig.IndexRow]), " ", ""), "")
		dataTime := rowData[sheetConfig.DateRow]
		if dataTime == "0" {
			continue
		}

		date, _, convertErr := utils.ConvertDateFormatForOSA(dataTime)
		if convertErr != nil {
			utils.FileLog.Error(fmt.Sprintf("转换时间数据失败,index_code:%s,time_value:%s err:%v", indexCode, dataTime, convertErr))
			continue
		}
		if rowData[sheetConfig.DataRow] != "" {
			value, parseErr := decimal.NewFromString(rowData[sheetConfig.DataRow])
			if parseErr != nil {
				utils.FileLog.Error(fmt.Sprintf("转换data数据失败,index_code:%s,data_value:%s err:%v", indexCode, rowData[sheetConfig.DataRow], err))
				continue
			} else {
				if index, ok := indexMap[indexCode]; ok {
					if index.StartDate.After(date) {
						index.StartDate = date
					}
					if index.EndDate.Before(date) {
						index.EndDate = date
						index.LatestValue = value
					}
					index.DataList = append(index.DataList, models.IndexData{
						DataTime: date,
						Value:    value,
					})
				} else {
					indexMap[indexCode] = &models.IndexInfo{
						IndexName:   indexName,
						IndexCode:   indexCode,
						Frequency:   sheetConfig.Frequency,
						Unit:        sheetConfig.Unit,
						StartDate:   date,
						EndDate:     date,
						LatestValue: value,
						ClassifyId:  classifyId,
						DataList: []models.IndexData{
							{
								DataTime: date,
								Value:    value,
							},
						},
					}
				}
			}
		}
	}
	return
}