package models

// Tag represents a tag for categorizing works
type Tag struct {
	BaseModel
	Name        string  `gorm:"size:100;not null;uniqueIndex"`
	Description string  `gorm:"type:text"`
	Works       []*Work `gorm:"many2many:work_tags"`
	Slug        string  `gorm:"size:255;index"`
}

// Category represents a category for organizing works
type Category struct {
	BaseModel
	Name        string `gorm:"size:100;not null;uniqueIndex"`
	Description string `gorm:"type:text"`
	ParentID    *uint
	Parent      *Category   `gorm:"foreignKey:ParentID"`
	Children    []*Category `gorm:"foreignKey:ParentID"`
	Works       []*Work     `gorm:"many2many:work_categories"`
	Path        string      `gorm:"size:1024;index"`
	Slug        string      `gorm:"size:255;index"`
}

// Series represents a literary series
type Series struct {
	BaseModel
	Name        string `gorm:"size:255;not null;uniqueIndex"`
	Description string `gorm:"type:text"`
}

// WorkSeries is a join capturing a work's position in a series
type WorkSeries struct {
	BaseModel
	WorkID         uint   `gorm:"index;uniqueIndex:uniq_work_series"`
	Work           *Work  `gorm:"foreignKey:WorkID"`
	SeriesID       uint   `gorm:"index;uniqueIndex:uniq_work_series"`
	Series         *Series `gorm:"foreignKey:SeriesID"`
	NumberInSeries int     `gorm:"default:0"`
}