package models

import (
	"fmt"
	"time"

	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/timeutil"
)

type UserBusinessAnalysis struct {
	ID int64 `xorm:"pk"`

	CountDate int64 `xorm:"pk"`

	//action :ActionMergePullRequest                         // 11
	CodeMergeCount int `xorm:"NOT NULL DEFAULT 0"`

	//action :ActionCommitRepo                               // 5
	CommitCount int `xorm:"NOT NULL DEFAULT 0"`

	//action :ActionCommentIssue                             // 10
	IssueCount int `xorm:"NOT NULL DEFAULT 0"`

	//comment table current date
	CommentCount int `xorm:"NOT NULL DEFAULT 0"`

	//watch table current date
	FocusRepoCount int `xorm:"NOT NULL DEFAULT 0"`

	//star table current date
	StarRepoCount int `xorm:"NOT NULL DEFAULT 0"`

	//follow table
	WatchedCount int `xorm:"NOT NULL DEFAULT 0"`

	// user table
	GiteaAgeMonth int `xorm:"NOT NULL DEFAULT 0"`

	//
	CommitCodeSize int `xorm:"NOT NULL DEFAULT 0"`

	//attachement table
	CommitDatasetSize int `xorm:"NOT NULL DEFAULT 0"`

	//0
	CommitModelCount int `xorm:"NOT NULL DEFAULT 0"`

	//issue, issueassignees
	SolveIssueCount int `xorm:"NOT NULL DEFAULT 0"`

	//baike
	EncyclopediasCount int `xorm:"NOT NULL DEFAULT 0"`

	//user
	RegistDate timeutil.TimeStamp `xorm:"NOT NULL"`

	//repo
	CreateRepoCount int `xorm:"NOT NULL DEFAULT 0"`

	//login count, from elk
	LoginCount int `xorm:"NOT NULL DEFAULT 0"`

	//openi index
	OpenIIndex int `xorm:"NOT NULL DEFAULT 0"`

	//user
	Email string `xorm:"NOT NULL"`

	//user
	Name string `xorm:"NOT NULL"`
}

func QueryUserStaticData(startTime int64, endTime int64) []*UserBusinessAnalysis {
	log.Info("query startTime =" + fmt.Sprint(startTime) + " endTime=" + fmt.Sprint(endTime))
	statictisSess := xStatistic.NewSession()
	defer statictisSess.Close()

	statictisSess.Select("*").Table("user_business_analysis").Where(" count_date>=" + fmt.Sprint(startTime) + " and count_date<=" + fmt.Sprint(endTime)).OrderBy("count_date desc")

	userBusinessAnalysisList := make([]*UserBusinessAnalysis, 0)
	statictisSess.Find(&userBusinessAnalysisList)

	resultMap := make(map[int64]*UserBusinessAnalysis)
	log.Info("query result size=" + fmt.Sprint(len(userBusinessAnalysisList)))
	for _, userRecord := range userBusinessAnalysisList {
		if _, ok := resultMap[userRecord.ID]; !ok {
			resultMap[userRecord.ID] = userRecord
		} else {
			resultMap[userRecord.ID].CodeMergeCount += userRecord.CodeMergeCount
			resultMap[userRecord.ID].CommitCount += userRecord.CommitCount
			resultMap[userRecord.ID].IssueCount += userRecord.IssueCount
			resultMap[userRecord.ID].CommentCount += userRecord.CommentCount
			resultMap[userRecord.ID].FocusRepoCount += userRecord.FocusRepoCount
			resultMap[userRecord.ID].StarRepoCount += userRecord.StarRepoCount
			resultMap[userRecord.ID].WatchedCount += userRecord.WatchedCount
			resultMap[userRecord.ID].CommitCodeSize += userRecord.CommitCodeSize
			resultMap[userRecord.ID].CommitDatasetSize += userRecord.CommitDatasetSize
			resultMap[userRecord.ID].CommitModelCount += userRecord.CommitModelCount
			resultMap[userRecord.ID].SolveIssueCount += userRecord.SolveIssueCount
			resultMap[userRecord.ID].EncyclopediasCount += userRecord.EncyclopediasCount
			resultMap[userRecord.ID].CreateRepoCount += userRecord.CreateRepoCount
			resultMap[userRecord.ID].LoginCount += userRecord.LoginCount
		}
	}

	userBusinessAnalysisReturnList := make([]*UserBusinessAnalysis, len(resultMap))
	index := 0
	for _, v := range resultMap {
		userBusinessAnalysisReturnList[index] = v
		index += 1
	}
	log.Info("return size=" + fmt.Sprint(len(userBusinessAnalysisReturnList)))
	return userBusinessAnalysisReturnList
}

func CountData(wikiCountMap map[string]int) {
	log.Info("start to count other user info data")
	sess := x.NewSession()
	defer sess.Close()
	sess.Select("`user`.*").Table("user")
	userList := make([]*User, 0)
	sess.Find(&userList)

	currentTimeNow := time.Now()
	log.Info("current time:" + currentTimeNow.Format("2006-01-02 15:04:05"))

	yesterday := currentTimeNow.AddDate(0, 0, -1)
	startTime := time.Date(yesterday.Year(), yesterday.Month(), yesterday.Day(), 0, 0, 0, 0, yesterday.Location())
	start_unix := startTime.Unix()
	log.Info("DB query time:" + startTime.Format("2006-01-02 15:04:05"))

	endTime := time.Date(currentTimeNow.Year(), currentTimeNow.Month(), currentTimeNow.Day(), 0, 0, 0, 0, currentTimeNow.Location())
	end_unix := endTime.Unix()

	CountDate := time.Date(currentTimeNow.Year(), currentTimeNow.Month(), currentTimeNow.Day(), 0, 1, 0, 0, currentTimeNow.Location())

	CodeMergeCountMap := queryPullRequest(start_unix, end_unix)
	CommitCountMap := queryAction(start_unix, end_unix, 5)
	IssueCountMap := queryAction(start_unix, end_unix, 10)

	CommentCountMap := queryComment(start_unix, end_unix)
	FocusRepoCountMap := queryWatch(start_unix, end_unix)
	StarRepoCountMap := queryStar(start_unix, end_unix)
	WatchedCountMap := queryFollow(start_unix, end_unix)

	CommitCodeSizeMap, err := GetAllUserKPIStats()
	if err != nil {
		log.Info("query commit code errr.")
	} else {
		log.Info("query commit code size, len=" + fmt.Sprint(len(CommitCodeSizeMap)))
	}
	CommitDatasetSizeMap := queryDatasetSize(start_unix, end_unix)
	SolveIssueCountMap := querySolveIssue(start_unix, end_unix)
	CreateRepoCountMap := queryUserCreateRepo(start_unix, end_unix)
	LoginCountMap := queryLoginCount(start_unix, end_unix)

	for i, userRecord := range userList {
		var dateRecord UserBusinessAnalysis
		dateRecord.ID = userRecord.ID
		log.Info("i=" + fmt.Sprint(i) + " userName=" + userRecord.Name)
		dateRecord.CountDate = CountDate.Unix()
		dateRecord.Email = userRecord.Email
		dateRecord.RegistDate = userRecord.CreatedUnix
		dateRecord.Name = userRecord.Name
		dateRecord.GiteaAgeMonth = subMonth(currentTimeNow, userRecord.CreatedUnix.AsTime())
		if _, ok := CodeMergeCountMap[dateRecord.ID]; !ok {
			dateRecord.CodeMergeCount = 0
		} else {
			dateRecord.CodeMergeCount = CodeMergeCountMap[dateRecord.ID]
		}

		if _, ok := CommitCountMap[dateRecord.ID]; !ok {
			dateRecord.CommitCount = 0
		} else {
			dateRecord.CommitCount = CommitCountMap[dateRecord.ID]
		}

		if _, ok := IssueCountMap[dateRecord.ID]; !ok {
			dateRecord.IssueCount = 0
		} else {
			dateRecord.IssueCount = IssueCountMap[dateRecord.ID]
		}

		if _, ok := CommentCountMap[dateRecord.ID]; !ok {
			dateRecord.CommentCount = 0
		} else {
			dateRecord.CommentCount = CommentCountMap[dateRecord.ID]
		}

		if _, ok := FocusRepoCountMap[dateRecord.ID]; !ok {
			dateRecord.FocusRepoCount = 0
		} else {
			dateRecord.FocusRepoCount = FocusRepoCountMap[dateRecord.ID]
		}

		if _, ok := StarRepoCountMap[dateRecord.ID]; !ok {
			dateRecord.StarRepoCount = 0
		} else {
			dateRecord.StarRepoCount = StarRepoCountMap[dateRecord.ID]
		}

		if _, ok := WatchedCountMap[dateRecord.ID]; !ok {
			dateRecord.WatchedCount = 0
		} else {
			dateRecord.WatchedCount = WatchedCountMap[dateRecord.ID]
		}

		if _, ok := CommitCodeSizeMap[dateRecord.Email]; !ok {
			dateRecord.CommitCodeSize = 0
		} else {
			dateRecord.CommitCodeSize = int(CommitCodeSizeMap[dateRecord.Email].CommitLines)
		}

		if _, ok := CommitDatasetSizeMap[dateRecord.ID]; !ok {
			dateRecord.CommitDatasetSize = 0
		} else {
			dateRecord.CommitDatasetSize = CommitDatasetSizeMap[dateRecord.ID]
		}

		if _, ok := SolveIssueCountMap[dateRecord.ID]; !ok {
			dateRecord.SolveIssueCount = 0
		} else {
			dateRecord.SolveIssueCount = SolveIssueCountMap[dateRecord.ID]
		}

		if _, ok := wikiCountMap[dateRecord.Name]; !ok {
			dateRecord.EncyclopediasCount = 0
		} else {
			dateRecord.EncyclopediasCount = wikiCountMap[dateRecord.Name]
		}

		if _, ok := CreateRepoCountMap[dateRecord.ID]; !ok {
			dateRecord.CreateRepoCount = 0
		} else {
			dateRecord.CreateRepoCount = CreateRepoCountMap[dateRecord.ID]
		}

		if _, ok := LoginCountMap[dateRecord.ID]; !ok {
			dateRecord.LoginCount = 0
		} else {
			dateRecord.LoginCount = LoginCountMap[dateRecord.ID]
		}

		dateRecord.CommitModelCount = 0

		statictisSess := xStatistic.NewSession()
		defer statictisSess.Close()
		statictisSess.Insert(&dateRecord)
	}

}

func querySolveIssue(start_unix int64, end_unix int64) map[int64]int {
	//select issue_assignees.* from issue_assignees,issue where issue.is_closed=true and issue.id=issue_assignees.issue_id
	sess := x.NewSession()
	defer sess.Close()
	sess.Select("issue_assignees.*").Table("issue_assignees").
		Join("inner", "issue", "issue.id=issue_assignees.issue_id").
		Where("issue.is_closed=true and issue.closed_unix>=" + fmt.Sprint(start_unix) + " and issue.closed_unix<=" + fmt.Sprint(end_unix))
	issueAssigneesList := make([]*IssueAssignees, 0)
	sess.Find(&issueAssigneesList)
	resultMap := make(map[int64]int)
	log.Info("query IssueAssignees size=" + fmt.Sprint(len(issueAssigneesList)))
	for _, issueAssigneesRecord := range issueAssigneesList {
		if _, ok := resultMap[issueAssigneesRecord.AssigneeID]; !ok {
			resultMap[issueAssigneesRecord.AssigneeID] = 1
		} else {
			resultMap[issueAssigneesRecord.AssigneeID] += 1
		}
	}
	return resultMap

}

func queryPullRequest(start_unix int64, end_unix int64) map[int64]int {
	sess := x.NewSession()
	defer sess.Close()

	sess.Select("issue.*").Table("issue").
		Join("inner", "pull_request", "issue.id=pull_request.issue_id").
		Where("pull_request.merged_unix>=" + fmt.Sprint(start_unix) + " and pull_request.merged_unix<=" + fmt.Sprint(end_unix))

	issueList := make([]*Issue, 0)
	sess.Find(&issueList)
	resultMap := make(map[int64]int)
	log.Info("query issue(PR) size=" + fmt.Sprint(len(issueList)))
	for _, issueRecord := range issueList {
		if _, ok := resultMap[issueRecord.PosterID]; !ok {
			resultMap[issueRecord.PosterID] = 1
		} else {
			resultMap[issueRecord.PosterID] += 1
		}
	}
	return resultMap
}

func queryAction(start_unix int64, end_unix int64, actionType int64) map[int64]int {
	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,user_id,op_type,act_user_id").Table("action").Where("op_type=" + fmt.Sprint(actionType) + " and created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	actionList := make([]*Action, 0)
	sess.Find(&actionList)
	resultMap := make(map[int64]int)
	log.Info("query action size=" + fmt.Sprint(len(actionList)))
	for _, actionRecord := range actionList {
		if _, ok := resultMap[actionRecord.UserID]; !ok {
			resultMap[actionRecord.UserID] = 1
		} else {
			resultMap[actionRecord.UserID] += 1
		}
	}
	return resultMap
}

func queryComment(start_unix int64, end_unix int64) map[int64]int {

	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,type,poster_id").Table("comment").Where(" created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	commentList := make([]*Comment, 0)
	sess.Find(&commentList)
	resultMap := make(map[int64]int)
	log.Info("query Comment size=" + fmt.Sprint(len(commentList)))
	for _, commentRecord := range commentList {
		if _, ok := resultMap[commentRecord.PosterID]; !ok {
			resultMap[commentRecord.PosterID] = 1
		} else {
			resultMap[commentRecord.PosterID] += 1
		}
	}
	return resultMap
}

func queryWatch(start_unix int64, end_unix int64) map[int64]int {

	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,user_id,repo_id").Table("watch").Where(" created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	watchList := make([]*Watch, 0)
	sess.Find(&watchList)
	resultMap := make(map[int64]int)
	log.Info("query Watch size=" + fmt.Sprint(len(watchList)))
	for _, watchRecord := range watchList {
		if _, ok := resultMap[watchRecord.UserID]; !ok {
			resultMap[watchRecord.UserID] = 1
		} else {
			resultMap[watchRecord.UserID] += 1
		}
	}
	return resultMap

}

func queryStar(start_unix int64, end_unix int64) map[int64]int {

	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,uid,repo_id").Table("star").Where(" created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	starList := make([]*Star, 0)
	sess.Find(&starList)
	resultMap := make(map[int64]int)
	log.Info("query Star size=" + fmt.Sprint(len(starList)))
	for _, starRecord := range starList {
		if _, ok := resultMap[starRecord.UID]; !ok {
			resultMap[starRecord.UID] = 1
		} else {
			resultMap[starRecord.UID] += 1
		}
	}
	return resultMap

}

func queryFollow(start_unix int64, end_unix int64) map[int64]int {

	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,user_id,follow_id").Table("follow").Where(" created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	followList := make([]*Follow, 0)
	sess.Find(&followList)
	resultMap := make(map[int64]int)
	log.Info("query Follow size=" + fmt.Sprint(len(followList)))
	for _, followRecord := range followList {
		if _, ok := resultMap[followRecord.UserID]; !ok {
			resultMap[followRecord.UserID] = 1
		} else {
			resultMap[followRecord.UserID] += 1
		}
	}
	return resultMap
}

func queryDatasetSize(start_unix int64, end_unix int64) map[int64]int {
	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,uploader_id,size").Table("attachment").Where(" created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	attachmentList := make([]*Attachment, 0)
	sess.Find(&attachmentList)
	resultMap := make(map[int64]int)
	log.Info("query Attachment size=" + fmt.Sprint(len(attachmentList)))
	for _, attachRecord := range attachmentList {
		if _, ok := resultMap[attachRecord.UploaderID]; !ok {
			resultMap[attachRecord.UploaderID] = int(attachRecord.Size / (1024 * 1024)) //MB
		} else {
			resultMap[attachRecord.UploaderID] += int(attachRecord.Size / (1024 * 1024)) //MB
		}
	}
	return resultMap

}

func queryUserCreateRepo(start_unix int64, end_unix int64) map[int64]int {
	sess := x.NewSession()
	defer sess.Close()
	sess.Select("id,owner_id,name").Table("repository").Where("is_fork=false and created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	repoList := make([]*Repository, 0)
	sess.Find(&repoList)
	resultMap := make(map[int64]int)
	log.Info("query Repository size=" + fmt.Sprint(len(repoList)))
	for _, repoRecord := range repoList {
		if _, ok := resultMap[repoRecord.OwnerID]; !ok {
			resultMap[repoRecord.OwnerID] = 1
		} else {
			resultMap[repoRecord.OwnerID] += 1
		}
	}
	return resultMap
}

func queryLoginCount(start_unix int64, end_unix int64) map[int64]int {
	statictisSess := xStatistic.NewSession()
	defer statictisSess.Close()
	statictisSess.Select("id,u_id").Table("user_login_log").Where("created_unix>=" + fmt.Sprint(start_unix) + " and created_unix<=" + fmt.Sprint(end_unix))
	userLoginLogList := make([]*UserLoginLog, 0)
	statictisSess.Find(&userLoginLogList)
	resultMap := make(map[int64]int)
	log.Info("query user login size=" + fmt.Sprint(len(userLoginLogList)))
	for _, loginRecord := range userLoginLogList {
		if _, ok := resultMap[loginRecord.UId]; !ok {
			resultMap[loginRecord.UId] = 1
		} else {
			resultMap[loginRecord.UId] += 1
		}
	}
	return resultMap
}

func subMonth(t1, t2 time.Time) (month int) {
	y1 := t1.Year()
	y2 := t2.Year()
	m1 := int(t1.Month())
	m2 := int(t2.Month())
	d1 := t1.Day()
	d2 := t2.Day()

	yearInterval := y1 - y2
	// 如果 d1的 月-日 小于 d2的 月-日 那么 yearInterval-- 这样就得到了相差的年数
	if m1 < m2 || m1 == m2 && d1 < d2 {
		yearInterval--
	}
	// 获取月数差值
	monthInterval := (m1 + 12) - m2
	if d1 < d2 {
		monthInterval--
	}
	monthInterval %= 12
	month = yearInterval*12 + monthInterval
	return month
}