package database

type MangaDefinition struct {
	Id             int `gorm:"primary_key;AUTO_INCREMENT"`
	Title          string
	Thumbnail      []byte
	LastChapterNum string
	// Chapters       []Chapter
	//`gorm:"foreignkey:MangaID"`
}

type Manga struct {
	Id                int `gorm:"primary_key;AUTO_INCREMENT"`
	MangaDefinitionId int
	Definition        MangaDefinition `gorm:"foreignKey:MangaDefinitionId"`
	UserId            int
	User              User
	TimeStampUnix     int64
	Chapters          []Chapter `gorm:"foreignKey:MangaId"`
}

func NewMangaDefinition(id int, title string) MangaDefinition {
	return MangaDefinition{
		Id:             id,
		Title:          title,
		LastChapterNum: "",
	}
}

func NewManga(def MangaDefinition, user User, timeStampUnix int64) Manga {
  return Manga{
  	MangaDefinitionId: def.Id,
  	Definition:        def,
  	UserId:            user.Id,
  	User:              user,
  	TimeStampUnix:     timeStampUnix,
  }
}

// GetLatestChapter TODO: Cache this somehow
func (m *Manga) GetLatestChapter() (*Chapter, bool) {
	// highest := int64(0)
	// index := 0
	// for i, chapter := range m.Chapters {
	// 	if chapter.MangaId == m.Manga.Id && highest < chapter.TimeStampUnix {
	// 		highest = chapter.TimeStampUnix
	// 		index = i
	// 	}
	// }

	// if highest == 0 {
	return nil, false
	// }

	// return &m.Chapters[index], true

	//result := db.Where("manga.id = ?", m.Id).Order("TimeStampUnix desc").Take(&chapter)
	//if result.Error != nil && !errors.Is(result.Error, gorm.ErrRecordNotFound) {
	//	return &chapter, true, result.Error
	//} else if errors.Is(result.Error, gorm.ErrRecordNotFound) {
	//	return &chapter, false, nil
	//} else {
	//	return &chapter, true, nil
	//}
}