package models

import (
	"context"
	"time"
)

// SceneGetter provides methods to get scenes by ID.
type SceneGetter interface {
	// TODO - rename this to Find and remove existing method
	FindMany(ctx context.Context, ids []int) ([]*Scene, error)
	Find(ctx context.Context, id int) (*Scene, error)
	// FindByIDs works the same way as FindMany, but it ignores any scenes not found
	// Scenes are not guaranteed to be in the same order as the input
	FindByIDs(ctx context.Context, ids []int) ([]*Scene, error)
}

// SceneFinder provides methods to find scenes.
type SceneFinder interface {
	SceneGetter
	FindByFingerprints(ctx context.Context, fp []Fingerprint) ([]*Scene, error)
	FindByChecksum(ctx context.Context, checksum string) ([]*Scene, error)
	FindByOSHash(ctx context.Context, oshash string) ([]*Scene, error)
	FindByPath(ctx context.Context, path string) ([]*Scene, error)
	FindByFileID(ctx context.Context, fileID FileID) ([]*Scene, error)
	FindByPrimaryFileID(ctx context.Context, fileID FileID) ([]*Scene, error)
	FindByPerformerID(ctx context.Context, performerID int) ([]*Scene, error)
	FindByGalleryID(ctx context.Context, performerID int) ([]*Scene, error)
	FindByGroupID(ctx context.Context, groupID int) ([]*Scene, error)
	FindDuplicates(ctx context.Context, distance int, durationDiff float64) ([][]*Scene, error)
}

// SceneQueryer provides methods to query scenes.
type SceneQueryer interface {
	Query(ctx context.Context, options SceneQueryOptions) (*SceneQueryResult, error)
	QueryCount(ctx context.Context, sceneFilter *SceneFilterType, findFilter *FindFilterType) (int, error)
}

// SceneCounter provides methods to count scenes.
type SceneCounter interface {
	Count(ctx context.Context) (int, error)
	CountByPerformerID(ctx context.Context, performerID int) (int, error)
	CountByFileID(ctx context.Context, fileID FileID) (int, error)
	CountMissingChecksum(ctx context.Context) (int, error)
	CountMissingOSHash(ctx context.Context) (int, error)
	OCountByPerformerID(ctx context.Context, performerID int) (int, error)
}

// SceneCreator provides methods to create scenes.
type SceneCreator interface {
	Create(ctx context.Context, newScene *Scene, fileIDs []FileID) error
}

// SceneUpdater provides methods to update scenes.
type SceneUpdater interface {
	Update(ctx context.Context, updatedScene *Scene) error
	UpdatePartial(ctx context.Context, id int, updatedScene ScenePartial) (*Scene, error)
	UpdateCover(ctx context.Context, sceneID int, cover []byte) error
}

// SceneDestroyer provides methods to destroy scenes.
type SceneDestroyer interface {
	Destroy(ctx context.Context, id int) error
}

type SceneCreatorUpdater interface {
	SceneCreator
	SceneUpdater
}

type ViewDateReader interface {
	CountViews(ctx context.Context, id int) (int, error)
	CountAllViews(ctx context.Context) (int, error)
	CountUniqueViews(ctx context.Context) (int, error)
	GetManyViewCount(ctx context.Context, ids []int) ([]int, error)
	GetViewDates(ctx context.Context, relatedID int) ([]time.Time, error)
	GetManyViewDates(ctx context.Context, ids []int) ([][]time.Time, error)
	GetManyLastViewed(ctx context.Context, ids []int) ([]*time.Time, error)
}

type ODateReader interface {
	GetOCount(ctx context.Context, id int) (int, error)
	GetManyOCount(ctx context.Context, ids []int) ([]int, error)
	GetAllOCount(ctx context.Context) (int, error)
	GetODates(ctx context.Context, relatedID int) ([]time.Time, error)
	GetManyODates(ctx context.Context, ids []int) ([][]time.Time, error)
}

// SceneReader provides all methods to read scenes.
type SceneReader interface {
	SceneFinder
	SceneQueryer
	SceneCounter

	URLLoader
	ViewDateReader
	ODateReader
	FileIDLoader
	GalleryIDLoader
	PerformerIDLoader
	TagIDLoader
	SceneGroupLoader
	StashIDLoader
	VideoFileLoader

	All(ctx context.Context) ([]*Scene, error)
	Wall(ctx context.Context, q *string) ([]*Scene, error)
	Size(ctx context.Context) (float64, error)
	Duration(ctx context.Context) (float64, error)
	PlayDuration(ctx context.Context) (float64, error)
	GetCover(ctx context.Context, sceneID int) ([]byte, error)
	HasCover(ctx context.Context, sceneID int) (bool, error)
}

type OHistoryWriter interface {
	AddO(ctx context.Context, id int, dates []time.Time) ([]time.Time, error)
	DeleteO(ctx context.Context, id int, dates []time.Time) ([]time.Time, error)
	ResetO(ctx context.Context, id int) (int, error)
}

type ViewHistoryWriter interface {
	AddViews(ctx context.Context, sceneID int, dates []time.Time) ([]time.Time, error)
	DeleteViews(ctx context.Context, id int, dates []time.Time) ([]time.Time, error)
	DeleteAllViews(ctx context.Context, id int) (int, error)
}

// SceneWriter provides all methods to modify scenes.
type SceneWriter interface {
	SceneCreator
	SceneUpdater
	SceneDestroyer

	AddFileID(ctx context.Context, id int, fileID FileID) error
	AddGalleryIDs(ctx context.Context, sceneID int, galleryIDs []int) error
	AssignFiles(ctx context.Context, sceneID int, fileID []FileID) error

	OHistoryWriter
	ViewHistoryWriter
	SaveActivity(ctx context.Context, sceneID int, resumeTime *float64, playDuration *float64) (bool, error)
	ResetActivity(ctx context.Context, sceneID int, resetResume bool, resetDuration bool) (bool, error)
}

// SceneReaderWriter provides all scene methods.
type SceneReaderWriter interface {
	SceneReader
	SceneWriter
}