package main

import (
	"bytes"
	"context"
	"encoding/base64"
	"errors"
	"fmt"
	"github.com/olivere/elastic/v7"
	"go.uber.org/zap"
	"net/http"
	"strconv"

	"jygit.jydev.jianyu360.cn/data_processing/common_utils/log"
	"time"
)

var mapping = `    "mappings": {
        "dynamic": false,
        "properties": {
            "dataweight": {
                "type": "long"
            },
            "projectcode": {
                "type": "keyword"
            },
             "object_type": {
                "type": "keyword"
            },
            "bidopentime": {
                "type": "long"
            },
            "bidamount": {
                "type": "double"
            },
            "winner": {
                "type": "keyword"
            },
            "buyer": {
                "type": "keyword",
                "fields": {
                    "mbuyer": {
                        "analyzer": "my_ngram_title",
                        "type": "text"
                    }
                }
            },
            "budget": {
                "type": "double"
            },
            "projectname": {
                "type": "keyword",
                "fields": {
                    "pname": {
                        "analyzer": "my_ngram_title",
                        "type": "text"
                    }
                }
            },
            "area": {
                "type": "keyword"
            },
            "city": {
                "type": "keyword"
            },
            "district": {
                "type": "keyword"
            },
            "s_winner": {
                "analyzer": "douhao",
                "type": "text",
                "fields": {
                    "mwinner": {
                        "analyzer": "my_ngram_title",
                        "type": "text"
                    }
                }
            },
            "pici": {
                "type": "long"
            },
            "id": {
                "type": "keyword"
            },
            "title": {
                "analyzer": "my_ngram_title",
                "type": "text",
                "fields": {
                    "mtitle": {
                        "type": "keyword"
                    }
                }
            },
            "detail": {
                "analyzer": "my_ngram",
                "type": "text"
            },
            "site": {
                "type": "keyword"
            },
            "comeintime": {
                "type": "long"
            },
            "href": {
                "type": "keyword"
            },
            "infoformat": {
                "type": "long"
            },
            "publishtime": {
                "type": "long"
            },
            "toptype": {
                "type": "keyword"
            },
            "subtype": {
                "type": "keyword"
            },
            "createtime": {
                "type": "long"
            }
        }
    }`

//createIndex 创建索引
func createIndex(clients map[string]*elastic.Client, PreBiddingIndex string) error {
	//createJson := fmt.Sprintf(`{%s,%s}`, setting, mapping)

	for k, client := range clients {
		url := GF.ES[k].URL
		username := GF.ES[k].Username
		password := GF.ES[k].Password

		exist, err := client.IndexExists(PreBiddingIndex).Do(context.Background())
		if exist {
			log.Info("CreateIndex", zap.String(PreBiddingIndex, "已经存在了"))
		}

		setting := fmt.Sprintf(`    "settings": {
        "index": {
            "analysis": {
                "analyzer": {
                    "my_ngram_title": {
                        "filter": [
                            "lowercase"
                        ],
                        "tokenizer": "my_ngram_title"
                    },
                    "douhao": {
                        "type": "pattern",
                        "pattern": ","
                    },
                    "my_ngram": {
                        "filter": [
                            "lowercase"
                        ],
                        "tokenizer": "my_ngram"
                    }
                },
                "tokenizer": {
                    "my_ngram_title": {
                        "token_chars": [
                            "letter",
                            "digit",
                            "punctuation",
                            "symbol"
                        ],
                        "min_gram": "1",
                        "type": "nGram",
                        "max_gram": "1"
                    },
                    "my_ngram": {
                        "token_chars": [
                            "letter",
                            "digit",
                            "punctuation",
                            "symbol"
                        ],
                        "min_gram": "2",
                        "type": "nGram",
                        "max_gram": "2"
                    }
                }
            },
            "number_of_shards": "%s",
            "number_of_replicas": "0",
            "max_result_window": "20000"
        }
    }`, GF.ES[k].Shares)
		createJson := fmt.Sprintf(`{%s,%s}`, setting, mapping)

		//1. 开启节点平衡
		// 设置临时的节点平衡设置
		balanceSettings := `{
  "transient" : {
    "cluster.routing.allocation.enable" : "all"
  }
}`

		requestURL := fmt.Sprintf("%s/_cluster/settings", url)
		req, err := http.NewRequest("PUT", requestURL, bytes.NewBuffer([]byte(balanceSettings)))
		if err != nil {
			log.Error("开启节点平衡", zap.Error(err))
		}
		req.Header.Set("Content-Type", "application/json")

		// 添加身份验证头部
		auth := username + ":" + password
		basicAuth := "Basic " + base64.StdEncoding.EncodeToString([]byte(auth))
		req.Header.Set("Authorization", basicAuth)

		clientQ := &http.Client{}
		resp, err := clientQ.Do(req)
		if err != nil {
			log.Error("开启节点平衡", zap.Error(err))
			return err
		}
		defer resp.Body.Close()

		if resp.StatusCode != http.StatusOK {
			log.Fatal("设置节点平衡失败")
			return err
		}

		fmt.Println(url, "节点平衡已开启")
		//2. 创建索引
		createIndexR, err := client.CreateIndex(PreBiddingIndex).BodyString(createJson).Do(context.Background())
		if err != nil {
			log.Error(PreBiddingIndex, zap.Error(err))
			return err
		}
		if !createIndexR.Acknowledged {
			log.Error("CreateIndex", zap.String(PreBiddingIndex, "创建索引失败"))
			return err
		}

		//3. 关闭节点平衡
		//设置临时的节点平衡设置
		disableSettings := `{
  "transient" : {
    "cluster.routing.allocation.enable" : "none"
  }
}`

		req2, err2 := http.NewRequest("PUT", requestURL, bytes.NewBuffer([]byte(disableSettings)))
		if err2 != nil {
			log.Error("开启节点平衡", zap.Error(err))
		}
		req2.Header.Set("Content-Type", "application/json")
		// 添加身份验证头部
		req2.Header.Set("Authorization", basicAuth)
		//clientQ := &http.Client{}
		resp2, err2 := clientQ.Do(req)
		if err2 != nil {
			log.Error("关闭节点平衡", zap.Error(err))
		}
		defer resp2.Body.Close()
		fmt.Println(url, "节点平衡已关闭")

		//4. 新索引 添加别名
		for _, alias := range GF.Env.Alias {
			_, err = client.Alias().Add(PreBiddingIndex, alias).Do(context.Background())
			if err != nil {
				log.Error("添加别名失败：", zap.Error(err))
			}
		}
		log.Info("CreateIndex", zap.String(url, "索引别名 添加完毕"))
	}

	return nil
}

//deleteIndex 删除索引
func deleteIndex(clients map[string]*elastic.Client, index string) error {
	if len(clients) == 0 {
		return errors.New("没有 配置 ES集群信息")
	}

	for k, client := range clients {
		exist, err := client.IndexExists(index).Do(context.Background())
		if !exist {
			log.Info("deleteIndex", zap.String(k, index+" 索引文件不存在"))
		}
		if err != nil {
			return err
		}

		num, err := client.Count(index).Do(context.Background())
		if err != nil {
			return err
		}
		if num > 0 {
			log.Info("deleteIndex", zap.String(k, "索引"+index+"还存在有效数据"))
		}

		_, err = client.DeleteIndex(index).Do(context.Background())
		if err != nil {
			return err
		}

	}
	return nil
}

//dealIndexByDay 处理预处理索引,根据天；
func dealIndexByDay() {
	now := time.Now()
	PreBiddingIndex := ""
	//hour := now.Hour()
	// 判断当前时间是否时最后一个小时
	//if hour == 23 {
	//当天最后一小时
	var clients = make(map[string]*elastic.Client, 0)
	for k, v := range GF.ES {
		url := v.URL
		username := v.Username
		password := v.Password
		// 创建 Elasticsearch 客户端
		client, err := elastic.NewClient(
			elastic.SetURL(url),
			elastic.SetBasicAuth(username, password),
			elastic.SetSniff(false),
		)
		if err != nil {
			log.Error("创建 Elasticsearch 客户端失败：", zap.Error(err))
		}
		clients[k] = client
	}

	next := now.AddDate(0, 0, 1)
	month := int(next.Month())
	monthStr := strconv.Itoa(month)
	year := next.Year()
	yearStr := strconv.Itoa(year)
	dayStr := strconv.Itoa(next.Day())
	//下一天的索引名称
	PreBiddingIndex = "bidding_" + yearStr + monthStr + dayStr

	err := createIndex(clients, PreBiddingIndex)
	if err != nil {
		log.Info("dealIndexByDay", zap.Error(err))
		SendMail("预处理索引", "预处理索引创建失败，请检查")
	}

	log.Info("dealIndexByDay", zap.String(PreBiddingIndex, "创建成功"))
	//3. 删除昨天的索引
	last := now.AddDate(0, 0, -1)
	month2 := int(last.Month())
	monthStr2 := strconv.Itoa(month2)
	year2 := last.Year()
	yearStr2 := strconv.Itoa(year2)
	dayStr2 := strconv.Itoa(last.Day())
	//索引名称
	lastIndex := "bidding_" + yearStr2 + monthStr2 + dayStr2
	err = deleteIndex(clients, lastIndex)
	if err != nil {
		log.Info("dealIndexByDay", zap.Error(err))
	}
	//}
}

//dealIndexByMonth 处理预处理索引,根据月份；提前一天创建好 下个月的索引
func dealIndexByMonth() {
	now := time.Now()
	PreBiddingIndex := ""
	// 获取当前月份的最后一天
	lastDayOfMonth := time.Date(now.Year(), now.Month()+1, 0, 0, 0, 0, 0, time.UTC)
	// 判断当前时间是否为当前月份的最后一天
	if now.Day() == lastDayOfMonth.Day() {
		//当月最后一天，需要提前创建好索引
		fmt.Println("当前时间是当前月份的最后一天")
		var clients = make(map[string]*elastic.Client, 0)
		for k, v := range GF.ES {
			url := v.URL
			username := v.Username
			password := v.Password
			// 创建 Elasticsearch 客户端
			client, err := elastic.NewClient(
				elastic.SetURL(url),
				elastic.SetBasicAuth(username, password),
				elastic.SetSniff(false),
			)
			if err != nil {
				log.Error("创建 Elasticsearch 客户端失败：", zap.Error(err))
			}
			clients[k] = client
		}

		next := now.AddDate(0, 0, 1)
		month := int(next.Month())
		monthStr := strconv.Itoa(month)
		year := next.Year()
		yearStr := strconv.Itoa(year)
		//下一个月的索引名称
		PreBiddingIndex = "bidding_" + yearStr + monthStr

		//2		创建下个月索引结构
		err := createIndex(clients, PreBiddingIndex)
		if err != nil {
			log.Info("dealIndexByMonth", zap.Error(err))
			SendMail("预处理索引", "预处理索引创建失败，请检查")
		}

		log.Info("dealIndexByMonth", zap.String(PreBiddingIndex, "创建成功"))
		//3.	删除上个月的索引
		last := now.AddDate(0, -1, 1)
		month2 := int(last.Month())
		monthStr2 := strconv.Itoa(month2)
		year2 := last.Year()
		yearStr2 := strconv.Itoa(year2)
		//上个月的索引名称
		lastIndex := "bidding_" + yearStr2 + monthStr2
		err = deleteIndex(clients, lastIndex)
		if err != nil {
			log.Info("dealIndexByMonth", zap.Error(err))
		}
	}

}

////SwitchAlias 切换别名
//func SwitchAlias() {
//	now := time.Now()
//	// 判断当前时间是否为当前月份的最后一天
//	//按日创建索引
//	if GF.Env.SpecType == "day" {
//		dealAlias()
//	} else if GF.Env.SpecType == "month" {
//		// 获取当前月份的最后一天
//		lastDayOfMonth := time.Date(now.Year(), now.Month()+1, 0, 0, 0, 0, 0, time.UTC)
//		//按月创建索引
//		if now.Day() == lastDayOfMonth.Day() {
//			dealAlias()
//		}
//	}
//}
//
////dealAlias 处理 索引别名
//func dealAlias() {
//	now := time.Now()
//
//	for _, v := range GF.ES {
//		url := v.URL
//		username := v.Username
//		password := v.Password
//		// 创建 Elasticsearch 客户端
//		client, err := elastic.NewClient(
//			elastic.SetURL(url),
//			elastic.SetBasicAuth(username, password),
//			elastic.SetSniff(false),
//		)
//		if err != nil {
//			log.Error("创建 Elasticsearch 客户端失败：", zap.Error(err))
//		}
//
//		preBiddingIndex := "" //下一个索引名称
//		next := now.AddDate(0, 0, 1)
//		month := int(next.Month())
//		monthStr := strconv.Itoa(month)
//		year := next.Year()
//		yearStr := strconv.Itoa(year)
//		dayStr := strconv.Itoa(next.Day())
//		if GF.Env.SpecType == "month" {
//			//下一个月的索引名称
//			preBiddingIndex = "bidding_" + yearStr + monthStr
//		} else if GF.Env.SpecType == "day" {
//			//下一天的索引名称
//			preBiddingIndex = "bidding_" + yearStr + monthStr + dayStr
//		}
//
//		for _, alias := range GF.Env.Alias {
//			_, err = client.Alias().Add(preBiddingIndex, alias).Do(context.Background())
//			if err != nil {
//				log.Error("添加别名失败：", zap.Error(err))
//			}
//		}
//		log.Info("dealAlias", zap.String(url, "索引别名处理完毕"))
//	}
//}

//SendMail 发送邮件
func SendMail(title, content string) {
	url := fmt.Sprintf("%s?to=%s&title=%s&body=%s", GF.Email.Api, GF.Email.To, title, content)
	fmt.Println("url=>", url)
	res, err := http.Get(url)
	if err != nil {
		log.Info("SendMail", zap.Any("err", err))
	} else {
		log.Info("SendMail", zap.Any("res", res))
	}
}