// Code generated by ent, DO NOT EDIT.

package media

import (
	"fmt"
	"time"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
)

const (
	// Label holds the string label denoting the media type in the database.
	Label = "media"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldTmdbID holds the string denoting the tmdb_id field in the database.
	FieldTmdbID = "tmdb_id"
	// FieldImdbID holds the string denoting the imdb_id field in the database.
	FieldImdbID = "imdb_id"
	// FieldMediaType holds the string denoting the media_type field in the database.
	FieldMediaType = "media_type"
	// FieldNameCn holds the string denoting the name_cn field in the database.
	FieldNameCn = "name_cn"
	// FieldNameEn holds the string denoting the name_en field in the database.
	FieldNameEn = "name_en"
	// FieldOriginalName holds the string denoting the original_name field in the database.
	FieldOriginalName = "original_name"
	// FieldOverview holds the string denoting the overview field in the database.
	FieldOverview = "overview"
	// FieldCreatedAt holds the string denoting the created_at field in the database.
	FieldCreatedAt = "created_at"
	// FieldAirDate holds the string denoting the air_date field in the database.
	FieldAirDate = "air_date"
	// FieldResolution holds the string denoting the resolution field in the database.
	FieldResolution = "resolution"
	// FieldStorageID holds the string denoting the storage_id field in the database.
	FieldStorageID = "storage_id"
	// FieldTargetDir holds the string denoting the target_dir field in the database.
	FieldTargetDir = "target_dir"
	// FieldDownloadHistoryEpisodes holds the string denoting the download_history_episodes field in the database.
	FieldDownloadHistoryEpisodes = "download_history_episodes"
	// FieldLimiter holds the string denoting the limiter field in the database.
	FieldLimiter = "limiter"
	// FieldExtras holds the string denoting the extras field in the database.
	FieldExtras = "extras"
	// FieldAlternativeTitles holds the string denoting the alternative_titles field in the database.
	FieldAlternativeTitles = "alternative_titles"
	// FieldCreateTime holds the string denoting the create_time field in the database.
	FieldCreateTime = "create_time"
	// EdgeEpisodes holds the string denoting the episodes edge name in mutations.
	EdgeEpisodes = "episodes"
	// Table holds the table name of the media in the database.
	Table = "media"
	// EpisodesTable is the table that holds the episodes relation/edge.
	EpisodesTable = "episodes"
	// EpisodesInverseTable is the table name for the Episode entity.
	// It exists in this package in order to avoid circular dependency with the "episode" package.
	EpisodesInverseTable = "episodes"
	// EpisodesColumn is the table column denoting the episodes relation/edge.
	EpisodesColumn = "media_id"
)

// Columns holds all SQL columns for media fields.
var Columns = []string{
	FieldID,
	FieldTmdbID,
	FieldImdbID,
	FieldMediaType,
	FieldNameCn,
	FieldNameEn,
	FieldOriginalName,
	FieldOverview,
	FieldCreatedAt,
	FieldAirDate,
	FieldResolution,
	FieldStorageID,
	FieldTargetDir,
	FieldDownloadHistoryEpisodes,
	FieldLimiter,
	FieldExtras,
	FieldAlternativeTitles,
	FieldCreateTime,
}

// ValidColumn reports if the column name is valid (part of the table columns).
func ValidColumn(column string) bool {
	for i := range Columns {
		if column == Columns[i] {
			return true
		}
	}
	return false
}

var (
	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
	DefaultCreatedAt time.Time
	// DefaultAirDate holds the default value on creation for the "air_date" field.
	DefaultAirDate string
	// DefaultDownloadHistoryEpisodes holds the default value on creation for the "download_history_episodes" field.
	DefaultDownloadHistoryEpisodes bool
	// DefaultCreateTime holds the default value on creation for the "create_time" field.
	DefaultCreateTime func() time.Time
)

// MediaType defines the type for the "media_type" enum field.
type MediaType string

// MediaType values.
const (
	MediaTypeTv    MediaType = "tv"
	MediaTypeMovie MediaType = "movie"
)

func (mt MediaType) String() string {
	return string(mt)
}

// MediaTypeValidator is a validator for the "media_type" field enum values. It is called by the builders before save.
func MediaTypeValidator(mt MediaType) error {
	switch mt {
	case MediaTypeTv, MediaTypeMovie:
		return nil
	default:
		return fmt.Errorf("media: invalid enum value for media_type field: %q", mt)
	}
}

// Resolution defines the type for the "resolution" enum field.
type Resolution string

// Resolution1080p is the default value of the Resolution enum.
const DefaultResolution = Resolution1080p

// Resolution values.
const (
	Resolution720p  Resolution = "720p"
	Resolution1080p Resolution = "1080p"
	Resolution2160p Resolution = "2160p"
	ResolutionAny   Resolution = "any"
)

func (r Resolution) String() string {
	return string(r)
}

// ResolutionValidator is a validator for the "resolution" field enum values. It is called by the builders before save.
func ResolutionValidator(r Resolution) error {
	switch r {
	case Resolution720p, Resolution1080p, Resolution2160p, ResolutionAny:
		return nil
	default:
		return fmt.Errorf("media: invalid enum value for resolution field: %q", r)
	}
}

// OrderOption defines the ordering options for the Media queries.
type OrderOption func(*sql.Selector)

// ByID orders the results by the id field.
func ByID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldID, opts...).ToFunc()
}

// ByTmdbID orders the results by the tmdb_id field.
func ByTmdbID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldTmdbID, opts...).ToFunc()
}

// ByImdbID orders the results by the imdb_id field.
func ByImdbID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldImdbID, opts...).ToFunc()
}

// ByMediaType orders the results by the media_type field.
func ByMediaType(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldMediaType, opts...).ToFunc()
}

// ByNameCn orders the results by the name_cn field.
func ByNameCn(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldNameCn, opts...).ToFunc()
}

// ByNameEn orders the results by the name_en field.
func ByNameEn(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldNameEn, opts...).ToFunc()
}

// ByOriginalName orders the results by the original_name field.
func ByOriginalName(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldOriginalName, opts...).ToFunc()
}

// ByOverview orders the results by the overview field.
func ByOverview(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldOverview, opts...).ToFunc()
}

// ByCreatedAt orders the results by the created_at field.
func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
}

// ByAirDate orders the results by the air_date field.
func ByAirDate(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldAirDate, opts...).ToFunc()
}

// ByResolution orders the results by the resolution field.
func ByResolution(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldResolution, opts...).ToFunc()
}

// ByStorageID orders the results by the storage_id field.
func ByStorageID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldStorageID, opts...).ToFunc()
}

// ByTargetDir orders the results by the target_dir field.
func ByTargetDir(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldTargetDir, opts...).ToFunc()
}

// ByDownloadHistoryEpisodes orders the results by the download_history_episodes field.
func ByDownloadHistoryEpisodes(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldDownloadHistoryEpisodes, opts...).ToFunc()
}

// ByCreateTime orders the results by the create_time field.
func ByCreateTime(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCreateTime, opts...).ToFunc()
}

// ByEpisodesCount orders the results by episodes count.
func ByEpisodesCount(opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborsCount(s, newEpisodesStep(), opts...)
	}
}

// ByEpisodes orders the results by episodes terms.
func ByEpisodes(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newEpisodesStep(), append([]sql.OrderTerm{term}, terms...)...)
	}
}
func newEpisodesStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(EpisodesInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.O2M, false, EpisodesTable, EpisodesColumn),
	)
}