package elastic

import (
	"context"
	"encoding/json"
	"errors"
	"eta_gn/eta_api/models"
	"eta_gn/eta_api/models/data_manage"
	"eta_gn/eta_api/utils"
	"fmt"
	"strconv"
	"strings"

	"github.com/olivere/elastic/v7"
)

// indexName:索引名称
// mappingJson:表结构
func EsCreateIndex(indexName, mappingJson string) (err error) {
	client := utils.EsClient

	//定义表结构
	exists, err := client.IndexExists(indexName).Do(context.Background()) //<5>
	if err != nil {
		return
	}
	if !exists {
		resp, err := client.CreateIndex(indexName).BodyJson(mappingJson).Do(context.Background())
		//BodyJson(bodyJson).Do(context.Background())
		if err != nil {
			fmt.Println("CreateIndex Err:" + err.Error())
			return err
		}
		fmt.Println(resp.Index, resp.ShardsAcknowledged, resp.Acknowledged)
	} else {
		fmt.Println(indexName + " 已存在")
	}
	return
}

// EsDeleteIndex 删除索引
func EsDeleteIndex(indexName string) (err error) {
	client := utils.EsClient

	//定义表结构
	exists, err := client.IndexExists(indexName).Do(context.Background()) //<5>
	if err != nil {
		return
	}
	if exists {
		resp, err := client.DeleteIndex(indexName).Do(context.Background())
		if err != nil {
			fmt.Println("DeleteIndex Err:" + err.Error())
			return err
		}
		fmt.Println(resp.Acknowledged)
	} else {
		fmt.Println(indexName + " 不存在")
	}
	return
}

// 删除数据
func EsDeleteData(indexName, docId string) (err error) {
	client := utils.EsClient

	resp, err := client.Delete().Index(indexName).Id(docId).Do(context.Background())
	fmt.Println(resp)
	if err != nil {
		return
	}
	if resp.Status == 0 {
		fmt.Println("删除成功")
	} else {
		fmt.Println("AddData", resp.Status, resp.Result)
	}
	return
}

func MappingModify(indexName, mappingJson string) {
	client := utils.EsClient
	result, err := client.PutMapping().Index(indexName).BodyString(mappingJson).Do(context.Background())
	fmt.Println(err)
	fmt.Println(result)
	return
}

// EsAddOrEditReport 新增编辑es报告
func EsAddOrEditReport(indexName, docId string, item *models.ElasticReportDetail) (err error) {
	defer func() {
		if err != nil {
			fmt.Println("EsAddOrEditReport Err:", err.Error())
		}
	}()
	client := utils.EsClient

	// docId为报告ID+章节ID
	searchById, err := client.Get().Index(indexName).Id(docId).Do(context.Background())
	if err != nil && !strings.Contains(err.Error(), "404") {
		fmt.Println("Get Err" + err.Error())
		return
	}
	if searchById != nil && searchById.Found {
		resp, err := client.Update().Index(indexName).Id(docId).Doc(map[string]interface{}{
			"ReportId":           item.ReportId,
			"ReportChapterId":    item.ReportChapterId,
			"Title":              item.Title,
			"Abstract":           item.Abstract,
			"BodyContent":        item.BodyContent,
			"PublishTime":        item.PublishTime,
			"PublishState":       item.PublishState,
			"Author":             item.Author,
			"ClassifyIdFirst":    item.ClassifyIdFirst,
			"ClassifyNameFirst":  item.ClassifyNameFirst,
			"ClassifyIdSecond":   item.ClassifyIdSecond,
			"ClassifyNameSecond": item.ClassifyNameSecond,
			"Categories":         item.Categories,
			"StageStr":           item.StageStr,
		}).Do(context.Background())
		if err != nil {
			return err
		}
		//fmt.Println(resp.Status, resp.Result)
		if resp.Status == 0 {
			fmt.Println("修改成功" + docId)
			err = nil
		} else {
			fmt.Println("EditData", resp.Status, resp.Result)
		}
	} else {
		resp, err := client.Index().Index(indexName).Id(docId).BodyJson(item).Do(context.Background())
		if err != nil {
			fmt.Println("新增失败:", err.Error())
			return err
		}
		if resp.Status == 0 && resp.Result == "created" {
			fmt.Println("新增成功" + docId)
			return nil
		} else {
			fmt.Println("AddData", resp.Status, resp.Result)
		}
	}
	return
}

// AnalyzeResp 分词接口返回结构体
type AnalyzeResp struct {
	Tokens []struct {
		EndOffset   int64  `json:"end_offset"`
		Position    int64  `json:"position"`
		StartOffset int64  `json:"start_offset"`
		Token       string `json:"token"`
		Type        string `json:"type"`
	} `json:"tokens"`
}

// Analyze 根据输入的文字获取分词后的文字
func Analyze(content string) (contentList []string, err error) {
	defer func() {
		if err != nil {
			fmt.Println("Analyze Err:", err.Error())
		}
	}()
	client := utils.EsClient

	queryMap := map[string]string{
		"text":     content,
		"analyzer": "ik_max_word",
	}
	res, err := client.PerformRequest(
		context.Background(),
		elastic.PerformRequestOptions{
			Method: "GET",
			Path:   "/_analyze",
			Body:   queryMap,
			Stream: false,
		},
	)
	if res.StatusCode == 200 {
		var analyzeResp AnalyzeResp
		tmpErr := json.Unmarshal(res.Body, &analyzeResp)
		if tmpErr != nil {
			err = errors.New("返回数据转结构体失败：" + tmpErr.Error())
			return
		}
		for _, v := range analyzeResp.Tokens {
			contentList = append(contentList, v.Token)
		}
	} else {
		err = errors.New("分词失败,返回code异常：" + strconv.Itoa(res.StatusCode))
	}
	return
}

// EsDeleteDataV2 删除es中的数据
func EsDeleteDataV2(indexName, docId string) (err error) {
	defer func() {
		if err != nil {
			fmt.Println("EsDeleteEdbInfoData Err:", err.Error())
		}
	}()
	client := utils.EsClient

	resp, err := client.Delete().Index(indexName).Id(docId).Do(context.Background())
	fmt.Println(resp)
	if err != nil {
		return
	}
	if resp.Status == 0 {
		fmt.Println("删除成功")
	} else {
		fmt.Println("AddData", resp.Status, resp.Result)
	}
	return
}

// EsAddOrEditDataInterface 新增/修改es中的数据
func EsAddOrEditDataInterface(indexName, docId string, item interface{}) (err error) {
	defer func() {
		if err != nil {
			fmt.Println("EsAddOrEditData Err:", err.Error())
		}
	}()
	client := utils.EsClient

	resp, err := client.Index().Index(indexName).Id(docId).BodyJson(item).Do(context.Background())
	if err != nil {
		fmt.Println("新增失败:", err.Error())
		return err
	}
	fmt.Println(resp)
	if resp.Status == 0 {
		fmt.Println("新增成功", resp.Result)
		err = nil
	} else {
		fmt.Println("AddData", resp.Status, resp.Result)
	}
	return
}

// SearchMyChartInfoData 查询es中的我的图表数据
func SearchMyChartInfoData(indexName, keywordStr string, adminId int, noPermissionChartIdList []int, from, size int) (list []*data_manage.MyChartList, total int64, err error) {
	list = make([]*data_manage.MyChartList, 0)
	defer func() {
		if err != nil {
			fmt.Println("EsAddOrEditData Err:", err.Error())
		}
	}()
	client := utils.EsClient

	//queryString := elastic.NewQueryStringQuery(keywordStr)
	//boolQueryJson, err := json.Marshal(queryString)
	//if err != nil {
	//	fmt.Println("boolQueryJson err:", err)
	//} else {
	//	fmt.Println("boolQueryJson ", string(boolQueryJson))
	//}

	highlight := elastic.NewHighlight()
	highlight = highlight.Fields(elastic.NewHighlighterField("ChartName"))
	highlight = highlight.PreTags("<font color='red'>").PostTags("</font>")

	mustMap := make([]interface{}, 0)
	mustNotMap := make([]interface{}, 0)

	//指标来源
	if adminId > 0 {
		mustMap = append(mustMap, map[string]interface{}{
			"term": map[string]interface{}{
				"AdminId": adminId,
				//"Frequency.keyword": "月度",
			},
		})
	}

	//关键字匹配

	//shouldMap := map[string]interface{}{
	//	"should": []interface{}{
	//		map[string]interface{}{
	//			"match": map[string]interface{}{
	//				"ChartName": keywordStr,
	//				//"Frequency.keyword": "月度",
	//			},
	//		},
	//		// 因为关键词被分了，所以需要用下面的语句来让他 整个词 查询，从而加重整词的权重
	//		map[string]interface{}{
	//			"match": map[string]interface{}{
	//				"ChartName": map[string]interface{}{
	//					"query":    keywordStr,
	//					"operator": "and",
	//				},
	//				//"Frequency.keyword": "月度",
	//			},
	//		},
	//		map[string]interface{}{
	//			"match": map[string]interface{}{
	//				"ChartNameEn": keywordStr,
	//				//"Frequency.keyword": "月度",
	//			},
	//		},
	//		// 因为关键词被分了，所以需要用下面的语句来让他 整个词 查询，从而加重整词的权重
	//		map[string]interface{}{
	//			"match": map[string]interface{}{
	//				"ChartNameEn": map[string]interface{}{
	//					"query":    keywordStr,
	//					"operator": "and",
	//				},
	//				//"Frequency.keyword": "月度",
	//			},
	//		},
	//	},
	//}

	// 默认使用中文名字字段去匹配
	keywordNameKey := `ChartName`
	// 如果没有中文，则使用英文名称字段去匹配
	if !utils.ContainsChinese(keywordStr) {
		keywordNameKey = `ChartNameEn`
	}
	shouldMap := map[string]interface{}{
		"should": []interface{}{
			map[string]interface{}{
				"match": map[string]interface{}{
					keywordNameKey: keywordStr,
					//"Frequency.keyword": "月度",
				},
			},
			// 因为关键词被分了，所以需要用下面的语句来让他 整个词 查询，从而加重整词的权重
			map[string]interface{}{
				"match": map[string]interface{}{
					keywordNameKey: map[string]interface{}{
						"query":    keywordStr,
						"operator": "and",
					},
					//"Frequency.keyword": "月度",
				},
			},
		},
	}

	mustMap = append(mustMap, map[string]interface{}{
		"bool": shouldMap,
	})

	// noPermissionEdbInfoIdList 无权限指标id
	if len(noPermissionChartIdList) > 0 {
		mustNotMap = append(mustNotMap, map[string]interface{}{
			"terms": map[string]interface{}{
				"ChartInfoId": noPermissionChartIdList,
				//"Frequency.keyword": "月度",
			},
		})
	}

	queryMap := map[string]interface{}{
		"query": map[string]interface{}{
			"bool": map[string]interface{}{
				"must":     mustMap,
				"must_not": mustNotMap,
				//"should":   shouldMap,
			},
		},
	}

	//根据条件数量统计
	requestTotalHits := client.Count(indexName).BodyJson(queryMap)
	total, err = requestTotalHits.Do(context.Background())
	if err != nil {
		return
	}

	// 分页查询
	queryMap["from"] = from
	queryMap["size"] = size
	jsonBytes, _ := json.Marshal(queryMap)
	fmt.Println(string(jsonBytes))

	request := client.Search(indexName).Highlight(highlight).Source(queryMap) // sets the JSON request

	//requestJson, err := json.Marshal(request)
	//if err != nil {
	//	fmt.Println("requestJson err:", err)
	//}
	//fmt.Println("requestJson ", string(requestJson))
	searchMap := make(map[string]string)

	searchResp, err := request.Do(context.Background())
	if err != nil {
		return
	}
	fmt.Println(searchResp)
	fmt.Println(searchResp.Status)
	if searchResp.Status != 0 {
		return
	}

	if searchResp.Hits != nil {
		for _, v := range searchResp.Hits.Hits {
			if _, ok := searchMap[v.Id]; !ok {
				itemJson, tmpErr := v.Source.MarshalJSON()
				if tmpErr != nil {
					err = tmpErr
					fmt.Println("movieJson err:", err)
					return
				}
				chartInfoItem := new(data_manage.MyChartList)
				tmpErr = json.Unmarshal(itemJson, &chartInfoItem)
				if err != nil {
					fmt.Println("json.Unmarshal chartInfoJson err:", err)
					err = tmpErr
					return
				}
				if len(v.Highlight["ChartName"]) > 0 {
					chartInfoItem.ChartName = v.Highlight["ChartName"][0]
				}
				list = append(list, chartInfoItem)
				searchMap[v.Id] = v.Id
			}
		}
	}

	//for _, v := range result {
	//	fmt.Println(v)
	//}
	return
}