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)
	OCountByGroupID(ctx context.Context, groupID 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
}