package home

import (
	"encoding/json"
	"eta/eta_mini_ht_api/common/component/config"
	"eta/eta_mini_ht_api/common/component/es"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/contants"
	"eta/eta_mini_ht_api/common/utils/page"
	mediaDomian "eta/eta_mini_ht_api/domian/media"
	reportDomain "eta/eta_mini_ht_api/domian/report"
	mediaService "eta/eta_mini_ht_api/service/media"
	reportService "eta/eta_mini_ht_api/service/report"
	userService "eta/eta_mini_ht_api/service/user"
	"strings"
	"sync"
	"time"
)

var (
	sortField = []string{"_score:desc"}
	htConfig  = config.GetConfig(contants.HT).(*config.HTBizConfig)
)

const (
	ReportColumn = "title"
	MediaColumn  = "mediaName"
)

type ResultType string

const (
	MediaResultType  ResultType = "media"
	ReportResultType ResultType = "report"
)

type HomeSearch struct {
	ResultType ResultType
	Media      *mediaDomian.MediaDTO
	Report     *reportDomain.ReportDTO
}

func elastic() *es.ESClient {
	return es.GetInstance()
}
func Search(key string, pageInfo page.PageInfo, login bool, templateUserId int) (result []HomeSearch, total int64, err error) {
	//同步es
	offset := page.StartIndex(pageInfo.Current, pageInfo.PageSize)
	sorts := append(sortField, "publishedTime:desc")
	deadLine := time.Unix(pageInfo.TimeStamp, 0).Format(time.DateTime)
	request := homeSearch(key, offset, pageInfo.PageSize, sorts, deadLine)
	re, err := elastic().Search(request)
	if err != nil {
		logger.Error("es搜索异常:%v", err)
	}
	hits := elastic().GetSource(re.Hits)
	if len(hits) == 0 {
		return
	}
	for _, hit := range hits {
		var content map[string][]string
		err = json.Unmarshal(hit.Highlight, &content)
		searchResult := HomeSearch{}
		err = json.Unmarshal(hit.Source, &searchResult)
		if err != nil {
			logger.Error("解析研报数据失败:%v", err)
			continue
		}
		switch hit.Index {
		case htConfig.GetMediaIndex():
			searchResult = HomeSearch{
				ResultType: MediaResultType,
				Media:      transMedia(hit, content),
			}
		case htConfig.GetReportIndex():
			searchResult = HomeSearch{
				ResultType: ReportResultType,
				Report:     transReport(hit, content),
			}
		}
		result = append(result, searchResult)
	}
	_, mappingRiskLevel, userRiskStatus, err := userService.GetRiskLevelPermissionList(nil, login, templateUserId)
	if err != nil {
		logger.Error("获取用户信息失败:%v", err)
	}
	var wg sync.WaitGroup
	wg.Add(len(result))
	for i := 0; i < len(result); i++ {
		go func(searchResult *HomeSearch) {
			defer wg.Done()
			switch searchResult.ResultType {
			case ReportResultType:
				searchResult.Report, _ = reportService.DealReportInfo(searchResult.Report, login, templateUserId, mappingRiskLevel, userRiskStatus)
			case MediaResultType:
				searchResult.Media, _ = mediaService.DealMediaInfo(searchResult.Media, login, templateUserId, mappingRiskLevel, userRiskStatus)
			}
		}(&result[i])
	}
	wg.Wait()
	return
}

func transMedia(hit es.Hit, content map[string][]string) (media *mediaDomian.MediaDTO) {
	err := json.Unmarshal(hit.Source, &media)
	if err != nil {
		logger.Error("解析媒体数据失败:%v", err)
		return
	}
	media.Highlight = content[MediaColumn]
	media.PublishedTime = media.PublishedTime[:10]
	media.MediaTitle = media.Highlight[0]
	media.Type = media.MediaType
	return
}

func transReport(hit es.Hit, content map[string][]string) (report *reportDomain.ReportDTO) {
	err := json.Unmarshal(hit.Source, &report)
	if err != nil {
		logger.Error("解析研报数据失败:%v", err)
		return
	}
	report.Highlight = content[ReportColumn]
	report.Title = report.Highlight[0]
	report.PublishedTime = report.PublishedTime[:10]
	report.Type = "report"
	return
}
func homeSearch(key string, from int, to int, sorts []string, publishedTime string) (request *es.ESQueryRequest) {
	req := new(es.ESQueryRequest)
	return req.CreateESQueryRequest(strings.Join([]string{htConfig.GetReportIndex(), htConfig.GetMediaIndex()}, ","), "", key, from, to, sorts, es.HomeSearch).ByCondition("status", "PUBLISH").Before(publishedTime, "publishedTime")
}