package models

import (
	"fmt"
	"time"

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

// RepoStatistic statistic info of all repository
type RepoStatistic struct {
	ID                   int64   `xorm:"pk autoincr"`
	RepoID               int64   `xorm:"unique(s) NOT NULL"`
	Date                 string  `xorm:"unique(s) NOT NULL"`
	NumWatches           int64   `xorm:"NOT NULL DEFAULT 0"`
	NumWatchesAdded      int64   `xorm:"NOT NULL DEFAULT 0"`
	NumStars             int64   `xorm:"NOT NULL DEFAULT 0"`
	NumStarsAdded        int64   `xorm:"NOT NULL DEFAULT 0"`
	NumForks             int64   `xorm:"NOT NULL DEFAULT 0"`
	NumForksAdded        int64   `xorm:"NOT NULL DEFAULT 0"`
	NumDownloads         int64   `xorm:"NOT NULL DEFAULT 0"`
	NumDownloadsAdded    int64   `xorm:"NOT NULL DEFAULT 0"`
	NumComments          int64   `xorm:"NOT NULL DEFAULT 0"`
	NumCommentsAdded     int64   `xorm:"NOT NULL DEFAULT 0"`
	NumVisits            int64   `xorm:"NOT NULL DEFAULT 0"`
	NumClosedIssues      int64   `xorm:"NOT NULL DEFAULT 0"`
	NumClosedIssuesAdded int64   `xorm:"NOT NULL DEFAULT 0"`
	NumVersions          int64   `xorm:"NOT NULL DEFAULT 0"`
	NumDevMonths         int64   `xorm:"NOT NULL DEFAULT 0"`
	RepoSize             int64   `xorm:"NOT NULL DEFAULT 0"`
	DatasetSize          int64   `xorm:"NOT NULL DEFAULT 0"`
	NumModels            int64   `xorm:"NOT NULL DEFAULT 0"`
	NumWikiViews         int64   `xorm:"NOT NULL DEFAULT 0"`
	NumCommits           int64   `xorm:"NOT NULL DEFAULT 0"`
	NumCommitsAdded      int64   `xorm:"NOT NULL DEFAULT 0"`
	NumIssues            int64   `xorm:"NOT NULL DEFAULT 0"`
	NumIssuesAdded       int64   `xorm:"NOT NULL DEFAULT 0"`
	NumPulls             int64   `xorm:"NOT NULL DEFAULT 0"`
	NumPullsAdded        int64   `xorm:"NOT NULL DEFAULT 0"`
	IssueFixedRate       float32 `xorm:"NOT NULL"`
	NumContributor       int64   `xorm:"NOT NULL DEFAULT 0"`
	NumContributorAdded  int64   `xorm:"NOT NULL DEFAULT 0"`
	NumKeyContributor    int64   `xorm:"NOT NULL DEFAULT 0"`

	NumContributorsGrowth int64 `xorm:"NOT NULL DEFAULT 0"`
	NumCommitsGrowth      int64 `xorm:"NOT NULL DEFAULT 0"`
	NumCommitLinesGrowth  int64 `xorm:"NOT NULL DEFAULT 0"`
	NumIssuesGrowth       int64 `xorm:"NOT NULL DEFAULT 0"`
	NumCommentsGrowth     int64 `xorm:"NOT NULL DEFAULT 0"`

	Impact        float64            `xorm:"NOT NULL DEFAULT 0"`
	Completeness  float64            `xorm:"NOT NULL DEFAULT 0"`
	Liveness      float64            `xorm:"NOT NULL DEFAULT 0"`
	ProjectHealth float64            `xorm:"NOT NULL DEFAULT 0"`
	TeamHealth    float64            `xorm:"NOT NULL DEFAULT 0"`
	Growth        float64            `xorm:"NOT NULL DEFAULT 0"`
	RadarTotal    float64            `xorm:"NOT NULL DEFAULT 0"`
	CreatedUnix   timeutil.TimeStamp `xorm:"INDEX created"`
	UpdatedUnix   timeutil.TimeStamp `xorm:"INDEX updated"`
}

func DeleteRepoStatDaily(date string) error {
	sess := xStatistic.NewSession()
	defer sess.Close()
	if err := sess.Begin(); err != nil {
		return fmt.Errorf("Begin: %v", err)
	}

	if _, err := sess.Where("date = ?", date).Delete(&RepoStatistic{}); err != nil {
		return fmt.Errorf("Delete: %v", err)
	}

	if err := sess.Commit(); err != nil {
		sess.Close()
		return fmt.Errorf("Commit: %v", err)
	}

	sess.Close()
	return nil
}

func GetRepoStatisticByDate(date string) ([]*RepoStatistic, error) {
	repoStatistics := make([]*RepoStatistic, 0)
	err := xStatistic.Where("date = ?", date).Find(&repoStatistics)
	return repoStatistics, err

}

func GetOneRepoStatisticBeforeTime(time time.Time) (*RepoStatistic, error) {
	repoStatistics := make([]*RepoStatistic, 0)
	err := xStatistic.Where("created_unix >= ?", time.Unix()).OrderBy("created_unix").Limit(1).Find(&repoStatistics)
	if err != nil {
		return nil, err
	} else {
		if len(repoStatistics) == 0 {
			return nil, fmt.Errorf("the repo statistic record count is 0")
		} else {
			return repoStatistics[0], nil
		}
	}

}

func InsertRepoStat(repoStat *RepoStatistic) (int64, error) {
	return xStatistic.Insert(repoStat)
}

func UpdateRepoStat(repoStat *RepoStatistic) error {
	sql := "update repo_statistic set impact=?,completeness=?,liveness=?,project_health=?,team_health=?,growth=?,radar_total=?  where repo_id=? and date=?"

	_, err := xStatistic.Exec(sql, repoStat.Impact, repoStat.Completeness, repoStat.Liveness, repoStat.ProjectHealth, repoStat.TeamHealth, repoStat.Growth, repoStat.RadarTotal, repoStat.RepoID, repoStat.Date)
	return err
}