package report

import (
	"errors"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/utils/date"
	"eta/eta_mini_ht_api/models"
	"fmt"
	"gorm.io/gorm"
	"time"
)

type ReportStatus string
type ReportSource string
type SendStatus string

const (
	SEND          SendStatus   = "SEND"
	UNSEND        SendStatus   = "UNSEND"
	SourceETA     ReportSource = "ETA"
	SourceHT      ReportSource = "HT"
	StatusInit    ReportStatus = "INIT"
	StatusPending ReportStatus = "PENDING"
	StatusDone    ReportStatus = "DONE"

	MaxBatchNum   = 1000
	CommonColumns = "id,org_id,author,abstract,title,source,cover_src,published_time"
	taskColumns   = "id,author,published_time"
)

type Report struct {
	ID            int          `gorm:"column:id;primary_key;comment:'id'" json:"id"`
	OrgID         int          `gorm:"column:org_id;comment:'原始id'" json:"org_id"`
	Source        ReportSource `gorm:"column:source;comment:'研报来源1:eta 2:海通'" json:"source"`
	Title         string       `gorm:"column:title;comment:'标题'" json:"title"`
	Abstract      string       `gorm:"column:abstract;comment:'摘要'" json:"abstract"`
	Author        string       `gorm:"column:author;comment:'作者'" json:"author"`
	CoverSrc      int          `gorm:"column:cover_src;comment:'封面图片'" json:"cover_src"`
	Status        ReportStatus `gorm:"column:status;comment:'报告状态 init:初始化 pending:同步中 done:完成同步'" json:"status"`
	SendStatus    SendStatus   `gorm:"column:send_status;comment:'发送状态'" json:"send_status"`
	PublishedTime string       `gorm:"column:published_time;comment:'发布时间'" json:"published_time"`
	CreatedTime   time.Time    `gorm:"column:created_time;comment:'创建时间'" json:"created_time"`
	UpdatedTime   time.Time    `gorm:"column:updated_time;comment:'修改时间'" json:"updated_time"`
}

func BatchInsertReport(list *[]Report) (err error) {
	db := models.Main()
	//手动事务
	tx := db.Begin()
	err = db.CreateInBatches(list, MaxBatchNum).Error
	if err != nil {
		logger.Error("批量插入研报失败:%v", err)
		tx.Rollback()
		return
	}
	tx.Commit()
	return nil
}

func (t *Report) BeforeCreate(_ *gorm.DB) (err error) {
	t.CreatedTime = time.Now()
	return
}

func GetAuthorByOrgId(orgId int, source string) (names []string, err error) {
	db := models.Main()
	err = db.Model(&Report{}).Select("author").Where("org_id = ? and source =? ", orgId, source).Scan(&names).Error
	return
}

func GetReportByOrgId(orgId int, source string) (reports []Report, err error) {
	db := models.Main()
	err = db.Select(CommonColumns).Where("org_id = ? and source =? ", orgId, source).Find(&reports).Error
	return
}
func GetReportById(reportId int) (report Report, err error) {
	db := models.Main()
	err = db.Select(CommonColumns).Where("id = ?", reportId).First(&report).Error
	if err != nil {
		logger.Error("查询报告失败:%v", err)
	}
	return
}
func GetLatestReportIdBySource(source ReportSource) (id int, err error) {
	sql := "select IFNULL(max(org_id),0)  from reports where source = ?"
	err = DoSql(sql, &id, source)
	return
}
func DoSql(sql string, result interface{}, values ...interface{}) (err error) {
	db := models.Main()
	err = db.Raw(sql, values...).Scan(result).Error
	if err != nil {
		logger.Error("执行sql[%v]失败:%v", sql, err)
	}
	return
}

func GetListOrderByCondition(week bool, column string, limit int, order models.Order) (reports []Report, err error) {
	db := models.Main()
	if week {
		end := time.Now()
		begin := date.GetBeginOfTheWeek(end, time.Monday)
		err = db.Select(CommonColumns).Where("DATE(published_time) BETWEEN ? AND ?", begin, end).Order(fmt.Sprintf("%s %s", column, order)).Limit(limit).Find(&reports).Error
	} else {
		err = db.Select(CommonColumns).Order(fmt.Sprintf("%s %s", column, order)).Limit(limit).Find(&reports).Error
	}
	if err != nil {
		logger.Error("查询报告列表失败:%v", err)
	}
	if reports == nil {
		return []Report{}, nil
	}
	return
}

func GetListByCondition[T any](column string, values []T) (reports []Report, err error) {
	if len(values) == 0 {
		logger.Error("查询条件的值不能为空")
		return []Report{}, nil
	}
	db := models.Main()
	err = db.Select(CommonColumns).Where(fmt.Sprintf("%s in ?", column), values).Find(&reports).Error
	if err != nil {
		logger.Error("查询报告列表失败:%v", err)
	}
	if reports == nil {
		return []Report{}, nil
	}
	return
}
func GetMaxIdByPermissionIds(orgIds []int) (maxId int64) {
	db := models.Main()
	err := db.Model(&Report{}).Select("MAX(id) id").Where("org_id in ?", orgIds).Scan(&maxId).Error
	if err != nil {
		logger.Error("获取报告最大ID失败:%v", err)
		return 0
	}
	return
}
func GetTotalPageCount() (total int64) {
	db := models.Main()
	err := db.Model(&Report{}).Count(&total).Error
	if err != nil {
		logger.Error("统计报告数量失败:%v", err)
	}
	return
}

func GetTotalPageCountByAnalyst(analyst string) (total int64, latestId int64) {
	db := models.Main()
	err := db.Model(&Report{}).Where("author =?", analyst).Count(&total).Error
	if err != nil {
		return
	}
	err = db.Model(&Report{}).Select("Max(id)").Where("author =?", analyst).Scan(&latestId).Error
	if err != nil {
		return
	}
	return
}
func GetReportPage(latestId int64, limit int, offset int) (list []Report, err error) {
	if latestId < 0 {
		err = errors.New("非法的id参数")
		logger.Error("非法的id参数:%d", latestId)
		return
	}
	if limit <= 0 {
		err = errors.New("非法的limit参数")
		logger.Error("非法的limit参数:%d", limit)
	}
	db := models.Main()
	err = db.Select(CommonColumns).Where("id<= ?", latestId).Order("published_time desc").Limit(limit).Offset(offset).Find(&list).Error
	return
}

func GetReportPageByOrgIds(latestId int64, limit int, offset int, orgIds []int) (list []Report, err error) {
	if len(orgIds) == 0 {
		return GetReportPage(latestId, limit, offset)
	}
	if latestId < 0 {
		err = errors.New("非法的id参数")
		logger.Error("非法的id参数:%d", latestId)
		return
	}
	if limit <= 0 {
		err = errors.New("非法的limit参数")
		logger.Error("非法的limit参数:%d", limit)
	}
	db := models.Main()
	err = db.Select(CommonColumns).Where("id<= ? and org_id in ?", latestId, orgIds).Order("published_time desc").Limit(limit).Offset(offset).Find(&list).Error
	return
}

func GetNewReportByPublishTime(time time.Time) (list []Report) {
	db := models.Main()
	err := db.Select(taskColumns).Where("published_time >= ?", time).Order("published_time desc").Find(&list).Error
	if err != nil {
		logger.Error("查询新发布的报告列表失败:%v", err)
	}
	return
}
func GetReportPageByAnalyst(latestId int64, limit int, offset int, analyst string) (list []Report, err error) {
	if latestId < 0 {
		err = errors.New("非法的id参数")
		logger.Error("非法的id参数:%d", latestId)
		return
	}
	if limit <= 0 {
		err = errors.New("非法的limit参数")
		logger.Error("非法的limit参数:%d", limit)
	}
	db := models.Main()
	err = db.Select(CommonColumns).Where("id<= ? and author = ?", latestId, analyst).Order("published_time desc").Limit(limit).Offset(offset).Find(&list).Error
	return
}