package user

import (
	"errors"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/utils/page"
	userDao "eta/eta_mini_ht_api/models/user"
	"gorm.io/gorm"
	"time"
)

var (
	sourceTransMap = map[string]userDao.SourceType{
		"chart":  userDao.Chart,
		"report": userDao.Report,
	}
)

type BookMarkDTO struct {
	ID         int
	UserID     int
	SourceID   int
	SourceType string
	Status     string
	MarkedTime string
}

func BookMark(templateUserId int, sourceId int, sourceType string) (err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	return userDao.BookMark(templateUserId, sourceId, sourceTypeItem)
}

func UnBookMark(templateUserId int, sourceId int, sourceType string) (err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	return userDao.UnBookMark(templateUserId, sourceId, sourceTypeItem)
}

func CheckBookMarkStatus(templateUserId int, sourceId int, sourceType string) (status string, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	bookmark, err := userDao.CheckBookMarkStatus(templateUserId, sourceId, sourceTypeItem)
	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
		logger.Error("获取用户收藏状态失败:%v", err)
		return
	}
	if errors.Is(err, gorm.ErrRecordNotFound) {
		status = string(userDao.Unmark)
		return
	}
	status = string(bookmark.Status)
	return
}

func GetTotalBookMarkPageBySourceType(userId int, sourceType string) (total int64, sourceIds []int, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	return userDao.GetTotalBookMarkPageBySourceType(userId, sourceTypeItem)
}

func GetBookMarkPageBySourceType(templateUserId int, sourceType string, info page.PageInfo) (sourceIds []int, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	offset := page.StartIndex(info.Current, info.PageSize)
	return userDao.GetBookMarkPageBySourceType(templateUserId, sourceTypeItem, offset, info.PageSize)
}
func GetBookMarkListBySourceType(templateUserId int, sourceType string) (sourceIds []int, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	return userDao.GetBookMarkListBySourceType(templateUserId, sourceTypeItem)
}
func GetBookMarkPageRangeBySourceType(templateUserId int, sourceType string, info page.PageInfo, sourceIds []int) (filterSourceIds []int, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	offset := page.StartIndex(info.Current, info.PageSize)
	return userDao.GetBookMarkPageRangeBySourceType(templateUserId, sourceTypeItem, offset, info.PageSize, sourceIds)
}

func GetBookMarkedBySource(sourceId int, templateUserId int, sourceType string) (bookMarkDTO BookMarkDTO, err error) {
	sourceTypeItem := sourceTransMap[sourceType]
	if sourceTypeItem == "" {
		logger.Error("非法的资源类型")
		err = errors.New("非法的资源类型")
		return
	}
	bookMark, err := userDao.GetBookMarkedBySource(sourceId, templateUserId, sourceTypeItem)
	if err != nil {
		logger.Error("获取用户收藏记录失败:%v", err)
		return
	}
	bookMarkDTO = convertUserBookmark(bookMark)
	return
}
func convertUserBookmark(bookmark userDao.UserBookmark) (bookMark BookMarkDTO) {
	bookMark.ID = bookmark.ID
	bookMark.UserID = bookmark.UserID
	bookMark.SourceID = bookmark.SourceID
	bookMark.SourceType = string(bookmark.SourceType)
	bookMark.Status = string(bookmark.Status)
	bookMark.MarkedTime = bookmark.MarkedTime.Format(time.DateTime)
	return
}