package report

import (
	logger "eta_mini_ht_api/common/component/log"
	"eta_mini_ht_api/common/exception"
	"eta_mini_ht_api/common/utils/date"
	"eta_mini_ht_api/common/utils/page"
	reportService "eta_mini_ht_api/domian/report"
	"sync"
	"time"
)

type PublishRankedReport struct {
	Id              int
	OrgId           int
	Title           string
	Abstract        string
	PermissionNames interface{}
	PublishedTime   string
}

type HotRankedReport struct {
	Id            int
	OrgId         int
	Count         int
	Title         string
	PublishedTime string
}

type PermissionNode struct {
	ID       int               `json:"id"`
	Name     string            `json:"name"`
	ParentID int               `json:"parentId"`
	Children []*PermissionNode `json:"children,omitempty"`
}

type RecordCount struct {
	UserId     int
	Mobile     string
	ReportId   int
	IpAddress  string
	Location   string
	Referer    string
	Additional string
}

func GetTotalPageCount() (total int64) {
	return reportService.GetTotalPageCount()
}

// GetReportPage 分页获取报告列表
func GetReportPage(pageInfo page.PageInfo) (list []reportService.ReportDTO, err error) {
	list, err = reportService.GetReportPage(pageInfo)
	if err != nil {
		err = exception.New(exception.QueryReportPageFailed)
	}
	return
}
func CountReport(count RecordCount) error {
	dto := convertToRecordCountDTO(count)
	return reportService.CountReport(dto)
}
func GetRandedReportByWeeklyHot(limit int) (reports []HotRankedReport, err error) {
	end := time.Now()
	begin := date.GetBeginOfTheWeek(end, time.Monday)
	hotReports := reportService.GetHotReports(begin.Format(time.DateOnly), end.Format(time.DateOnly), limit)
	if len(hotReports) > 0 {
		var dtoList []reportService.ReportDTO
		var ids []int
		for i := 0; i < len(hotReports); i++ {
			ids = append(ids, hotReports[i].ReportId)
		}
		dtoList, err = reportService.GetListByCondition("id", ids)
		if err != nil {
			logger.Error("获取本周最热研报列表失败:%v", err)
			err = exception.New(exception.GetHotRandListFailed)
			return
		}
		reports = make([]HotRankedReport, len(ids))
		for i := 0; i < len(dtoList); i++ {
			report := convertToHotRankedReport(dtoList[i])
			for j := 0; j < len(ids); j++ {
				if ids[j] == report.Id {
					reports[j] = report
					break
				}
			}
		}
	} else {
		reports = []HotRankedReport{}
	}
	return
}

func GetRandedReportByPublishTime() (reports []PublishRankedReport, err error) {
	dtoList, err := reportService.GetListOrderByCondition("published_time", 3, reportService.DESC)
	if err != nil {
		logger.Error("获取最新发布的研报列表失败:%v", err)
		err = exception.New(exception.GetPublishedRandListFailed)
		return
	}
	//并发获取研报的标签
	var wg sync.WaitGroup
	wg.Add(len(dtoList))
	for i := 0; i < len(dtoList); i++ {
		go func(report *reportService.ReportDTO) {
			defer wg.Done()
			report.PermissionNames = getReportPermissionNames(report.OrgId, report.Source)
		}(&dtoList[i])
	}
	wg.Wait()
	reports = convertToPublishRankedReportList(dtoList)
	return
}

func getReportPermissionNames(id int, source string) (labels []string) {
	permissions := reportService.GetReportPermissionsById(id, source)
	for _, permission := range permissions {
		labels = append(labels, permission.Name)
	}
	return
}

func GetPermissionList() (root *PermissionNode, err error) {
	list, err := reportService.GetPermissionList()
	if err != nil {
		logger.Error("获取品种列表失败:%v", err)
		err = exception.New(exception.GetPermissionListFailed)
		return
	}
	root = &PermissionNode{
		ID:       0,
		ParentID: 0,
	}
	assemblePermissionNode(list, root, 0, 2)
	return
}

func assemblePermissionNode(list []reportService.PermissionDTO, node *PermissionNode, current int, level int) {
	if node != nil && current < level {
		for _, permission := range list {
			if permission.ParentID == node.ID {
				childNode := &PermissionNode{
					ID:       permission.ID,
					Name:     permission.Name,
					ParentID: permission.ParentID,
				}
				node.Children = append(node.Children, childNode)
				assemblePermissionNode(list, childNode, current+1, level)
			}
		}
	}
}
func convertToHotRankedReport(dto reportService.ReportDTO) (report HotRankedReport) {
	report = HotRankedReport{
		Id:            dto.ReportID,
		OrgId:         dto.OrgId,
		PublishedTime: dto.PublishedTime,
		Title:         dto.Title,
	}
	//publishDate, err := time.Parse(time.DateTime, report.PublishedTime)
	//if err == nil {
	//	report.PublishedTime = publishDate.Format(time.DateOnly)
	//}
	return
}
func convertToPublishRankedReportList(dtoList []reportService.ReportDTO) (reports []PublishRankedReport) {
	reports = []PublishRankedReport{}
	for _, dto := range dtoList {
		report := PublishRankedReport{
			Id:              dto.ReportID,
			OrgId:           dto.OrgId,
			PublishedTime:   dto.PublishedTime,
			Abstract:        dto.Abstract,
			Title:           dto.Title,
			PermissionNames: dto.PermissionNames,
		}
		//publishDate, err := time.Parse(time.DateTime, report.PublishedTime)
		//if err == nil {
		//	report.PublishedTime = publishDate.Format(time.DateOnly)
		//}
		reports = append(reports, report)
	}
	return
}

func convertToRecordCountDTO(record RecordCount) (dto reportService.RecordCountDTO) {
	return reportService.RecordCountDTO{
		UserId:     record.UserId,
		Mobile:     record.Mobile,
		ReportId:   record.ReportId,
		IpAddress:  record.IpAddress,
		Location:   record.Location,
		Referer:    record.Referer,
		Additional: record.Additional,
	}
}