package main

import (
	"context"
	"encoding/json"
	"fmt"
	ckgo "github.com/ClickHouse/clickhouse-go/v2"
	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
	"io/ioutil"
	util "jygit.jydev.jianyu360.cn/data_processing/common_utils"
	"log"
	"os"
	"strings"
	"time"
)

// connectClickhouse 连接Clickhouse,其它方式连接;bitmap字段无法处理，需要使用下面方法
func connectClickhouse(host, username, password, dbname string) (driver.Conn, error) {
	//host := "192.168.3.207:19000"
	//username := "jytop"
	//password := "pwdTopJy123"
	//dbname := "pub_tags"
	var (
		ctx       = context.Background()
		conn, err = ckgo.Open(&ckgo.Options{
			Addr:         []string{host},
			DialTimeout:  10 * time.Second,
			MaxIdleConns: 3,
			MaxOpenConns: 30,
			Auth: ckgo.Auth{
				Database: dbname,
				Username: username,
				Password: password,
			},
			Debugf: func(format string, v ...interface{}) {
				log.Println(format, v)
			},
		})
	)
	if err != nil {
		return nil, err
	}
	if err := conn.Ping(ctx); err != nil {
		if exception, ok := err.(*ckgo.Exception); ok {
			log.Println("Exception [%d] %s \n%s\n", exception.Code, exception.Message, exception.StackTrace)
		}
		return nil, err
	}
	return conn, nil
}

// 动态构建 toUInt64 数组字符串
func buildToUInt64Array(labels []uint64) string {
	if len(labels) == 0 {
		return "[]"
	}
	toUInt64Labels := make([]string, len(labels))
	for i, label := range labels {
		toUInt64Labels[i] = fmt.Sprintf("toUInt64(%d)", label)
	}
	return fmt.Sprintf("[%s]", strings.Join(toUInt64Labels, ", "))
}

// IndustryClassification 国标行业分类的结构体
type IndustryClassification struct {
	Code     string                   `json:"code"`
	EntCode  uint64                   `json:"ent_code"` // 法人库bitmap
	Name     string                   `json:"name"`
	Children []IndustryClassification `json:"children"`
	Level    int                      `json:"level"` // 新增字段 Level
}

// 全局变量 seen 用于记录已经分配的 Name 和 EntCode
var seen = make(map[string]uint64)

// assignLevel 为每个分类分配层级
func assignLevel(classifications []IndustryClassification, level int) {
	for i := range classifications {
		classifications[i].Level = level
		// 递归处理子分类
		if len(classifications[i].Children) > 0 {
			assignLevel(classifications[i].Children, level+1)
		}
	}
}

// assignEntCode 为每个分类分配 EntCode
func assignEntCode(classifications []IndustryClassification, entCode *uint64) {
	for i := range classifications {
		// 如果是第三级或更高层级，且只有一个子分类且名称相同，父子共享EntCode
		if len(classifications[i].Children) == 1 && classifications[i].Level == 3 && classifications[i].Name == classifications[i].Children[0].Name {
			classifications[i].EntCode = *entCode
			classifications[i].Children[0].EntCode = *entCode
			//seen[classifications[i].Name] = *entCode
			(*entCode)++
			continue
		} else {
			classifications[i].EntCode = *entCode
			//seen[classifications[i].Name] = *entCode
			(*entCode)++
		}

		// 如果有子分类，则递归处理
		if len(classifications[i].Children) > 0 {
			assignEntCode(classifications[i].Children, entCode)
		}
	}
}

// readIndustryClassifications 读取行业分类数据
func readIndustryClassifications(filePath string) ([]IndustryClassification, error) {
	// 打开文件
	file, err := os.Open(filePath)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	// 读取文件内容
	bytes, err := ioutil.ReadAll(file)
	if err != nil {
		return nil, err
	}

	// 解析 JSON
	var classifications []IndustryClassification
	err = json.Unmarshal(bytes, &classifications)
	if err != nil {
		return nil, err
	}

	// 先分配层级
	assignLevel(classifications, 1)

	// 然后分配EntCode
	startEntCode := uint64(192)
	assignEntCode(classifications, &startEntCode)

	return classifications, nil
}

// readFile d读取文件
func readFile() []IndustryClassification {
	// 读取 JSON 文件
	filePath := "./国民经济行业分类_2017.json"
	//var err error
	classifications, err := readIndustryClassifications(filePath)
	if err != nil {
		fmt.Println("Error reading industry classifications:", err)
		return []IndustryClassification{}
	}

	return classifications
	//// 打印结果（调试用）
	//output, _ := json.MarshalIndent(classifications, "", "  ")
	//fmt.Println(string(output))
}

// removeDuplicates 去除重复字符串
func removeDuplicates(arr []string) []string {
	uniqueMap := make(map[string]bool)
	var result []string
	for _, str := range arr {
		if !uniqueMap[str] {
			uniqueMap[str] = true
			result = append(result, str)
		}
	}
	return result
}

// getMondayOfCurrentWeek 获取本周周一
func getMondayOfCurrentWeek() time.Time {
	// 获取当前时间
	now := time.Now()
	// 获取今天是本周的第几天（0 表示周日，1 表示周一，...，6 表示周六）
	weekday := int(now.Weekday())
	// 如果是周日，转换为 7（以便计算为上一周的最后一天）
	if weekday == 0 {
		weekday = 7
	}
	// 计算周一日期
	monday := now.AddDate(0, 0, -weekday+1)
	// 清除时间部分，保留日期
	monday = time.Date(monday.Year(), monday.Month(), monday.Day(), 0, 0, 0, 0, monday.Location())
	return monday
}

// CalculateRegionCode 处理地域代码
func CalculateRegionCode(area string, city string, district string) (area_code string, city_code string, district_code string) {
	area_code, city_code, district_code = "000000", "", ""
	if district != "" {
		key := area + "~" + city + "~" + district + "~"
		code := RegionCodeData[key]
		if code != "" {
			district_code = code
			city_code = code[:4] + "00"
			area_code = code[:2] + "0000"
			return
		}
	}
	if city != "" {
		key := area + "~" + city + "~" + "" + "~"
		code := RegionCodeData[key]
		if code != "" {
			city_code = code
			area_code = city_code[:2] + "0000"
			return
		}
	}
	if area != "" {
		key := area + "~" + "" + "~" + "" + "~"
		code := RegionCodeData[key]
		if code != "" {
			area_code = code
			return
		}
	}
	return
}

// getCompanyLabelBitmap 根据统一信用代码和ID获取bitmap 和对应标签字符串
func getCompanyLabelBitmap(creditNo, companyID string) (bitLabels []uint64, nameLabels []string) {
	//var bitLabels = make([]uint64, 0)  //bitmap数组
	//var nameLabels = make([]string, 0) //标签数组
	//1 dealCompanyNo
	tags1 := dealCompanyNo(creditNo)
	if len(tags1) > 0 {
		bitLabels = append(bitLabels, tags1...)
	}
	//获取对应Bitmap的标签字符串
	for _, v := range tags1 {
		if la, ok := entLabelMap[v]; ok {
			nameLabels = append(nameLabels, la)
		}
	}
	//2.获取凭安库里的国标经济行业分类
	label := getLabelsByID(companyID)
	if label != "" {
		labels := strings.Split(label, "-")
		for _, v := range labels {
			if bit, ok := nameBitMap[v]; ok {
				bitLabels = append(bitLabels, bit)
				nameLabels = append(nameLabels, v)
			}
		}
	}

	return
}

// getLabelsByID 根据名称，获取凭安库的国标经济行业分类
func getLabelsByID(companyID string) string {
	whereIndustry := map[string]interface{}{
		"company_id": companyID,
	}
	industry, _ := MgoQY.FindOne("company_industry", whereIndustry)
	if industry != nil && len(*industry) > 0 {
		label := ""
		if util.ObjToString((*industry)["industry_l1_name"]) != "" {
			label = util.ObjToString((*industry)["industry_l1_name"])
		} else {
			return ""
		}
		//二级名称
		if util.ObjToString((*industry)["industry_l2_name"]) != "" {
			label = label + "-" + util.ObjToString((*industry)["industry_l2_name"])
		}
		if util.ObjToString((*industry)["industry_l3_name"]) != "" {
			label = label + "-" + util.ObjToString((*industry)["industry_l3_name"])
		}
		if util.ObjToString((*industry)["industry_l4_name"]) != "" {
			label = label + "-" + util.ObjToString((*industry)["industry_l4_name"])
		}

		return label
	}

	return ""
}