package api

import (
	"context"
	"time"

	"github.com/stashapp/stash/pkg/api/urlbuilders"
	"github.com/stashapp/stash/pkg/manager/config"
	"github.com/stashapp/stash/pkg/models"
	"github.com/stashapp/stash/pkg/utils"
)

func (r *sceneResolver) Checksum(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.Checksum.Valid {
		return &obj.Checksum.String, nil
	}
	return nil, nil
}

func (r *sceneResolver) Oshash(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.OSHash.Valid {
		return &obj.OSHash.String, nil
	}
	return nil, nil
}

func (r *sceneResolver) Title(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.Title.Valid {
		return &obj.Title.String, nil
	}
	return nil, nil
}

func (r *sceneResolver) Details(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.Details.Valid {
		return &obj.Details.String, nil
	}
	return nil, nil
}

func (r *sceneResolver) URL(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.URL.Valid {
		return &obj.URL.String, nil
	}
	return nil, nil
}

func (r *sceneResolver) Date(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.Date.Valid {
		result := utils.GetYMDFromDatabaseDate(obj.Date.String)
		return &result, nil
	}
	return nil, nil
}

func (r *sceneResolver) Rating(ctx context.Context, obj *models.Scene) (*int, error) {
	if obj.Rating.Valid {
		rating := int(obj.Rating.Int64)
		return &rating, nil
	}
	return nil, nil
}

func (r *sceneResolver) File(ctx context.Context, obj *models.Scene) (*models.SceneFileType, error) {
	width := int(obj.Width.Int64)
	height := int(obj.Height.Int64)
	bitrate := int(obj.Bitrate.Int64)
	return &models.SceneFileType{
		Size:       &obj.Size.String,
		Duration:   &obj.Duration.Float64,
		VideoCodec: &obj.VideoCodec.String,
		AudioCodec: &obj.AudioCodec.String,
		Width:      &width,
		Height:     &height,
		Framerate:  &obj.Framerate.Float64,
		Bitrate:    &bitrate,
	}, nil
}

func (r *sceneResolver) Paths(ctx context.Context, obj *models.Scene) (*models.ScenePathsType, error) {
	baseURL, _ := ctx.Value(BaseURLCtxKey).(string)
	builder := urlbuilders.NewSceneURLBuilder(baseURL, obj.ID)
	builder.APIKey = config.GetInstance().GetAPIKey()
	screenshotPath := builder.GetScreenshotURL(obj.UpdatedAt.Timestamp)
	previewPath := builder.GetStreamPreviewURL()
	streamPath := builder.GetStreamURL()
	webpPath := builder.GetStreamPreviewImageURL()
	vttPath := builder.GetSpriteVTTURL()
	spritePath := builder.GetSpriteURL()
	chaptersVttPath := builder.GetChaptersVTTURL()
	funscriptPath := builder.GetFunscriptURL()

	return &models.ScenePathsType{
		Screenshot:  &screenshotPath,
		Preview:     &previewPath,
		Stream:      &streamPath,
		Webp:        &webpPath,
		Vtt:         &vttPath,
		ChaptersVtt: &chaptersVttPath,
		Sprite:      &spritePath,
		Funscript:   &funscriptPath,
	}, nil
}

func (r *sceneResolver) SceneMarkers(ctx context.Context, obj *models.Scene) (ret []*models.SceneMarker, err error) {
	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.SceneMarker().FindBySceneID(obj.ID)
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) Galleries(ctx context.Context, obj *models.Scene) (ret []*models.Gallery, err error) {
	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.Gallery().FindBySceneID(obj.ID)
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) Studio(ctx context.Context, obj *models.Scene) (ret *models.Studio, err error) {
	if !obj.StudioID.Valid {
		return nil, nil
	}

	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.Studio().Find(int(obj.StudioID.Int64))
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) Movies(ctx context.Context, obj *models.Scene) (ret []*models.SceneMovie, err error) {
	if err := r.withTxn(ctx, func(repo models.Repository) error {
		qb := repo.Scene()
		mqb := repo.Movie()

		sceneMovies, err := qb.GetMovies(obj.ID)
		if err != nil {
			return err
		}

		for _, sm := range sceneMovies {
			movie, err := mqb.Find(sm.MovieID)
			if err != nil {
				return err
			}

			sceneIdx := sm.SceneIndex
			sceneMovie := &models.SceneMovie{
				Movie: movie,
			}

			if sceneIdx.Valid {
				idx := int(sceneIdx.Int64)
				sceneMovie.SceneIndex = &idx
			}

			ret = append(ret, sceneMovie)
		}

		return nil
	}); err != nil {
		return nil, err
	}
	return ret, nil
}

func (r *sceneResolver) Tags(ctx context.Context, obj *models.Scene) (ret []*models.Tag, err error) {
	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.Tag().FindBySceneID(obj.ID)
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) Performers(ctx context.Context, obj *models.Scene) (ret []*models.Performer, err error) {
	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.Performer().FindBySceneID(obj.ID)
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) StashIds(ctx context.Context, obj *models.Scene) (ret []*models.StashID, err error) {
	if err := r.withReadTxn(ctx, func(repo models.ReaderRepository) error {
		ret, err = repo.Scene().GetStashIDs(obj.ID)
		return err
	}); err != nil {
		return nil, err
	}

	return ret, nil
}

func (r *sceneResolver) Phash(ctx context.Context, obj *models.Scene) (*string, error) {
	if obj.Phash.Valid {
		hexval := utils.PhashToString(obj.Phash.Int64)
		return &hexval, nil
	}
	return nil, nil
}

func (r *sceneResolver) CreatedAt(ctx context.Context, obj *models.Scene) (*time.Time, error) {
	return &obj.CreatedAt.Timestamp, nil
}

func (r *sceneResolver) UpdatedAt(ctx context.Context, obj *models.Scene) (*time.Time, error) {
	return &obj.UpdatedAt.Timestamp, nil
}

func (r *sceneResolver) FileModTime(ctx context.Context, obj *models.Scene) (*time.Time, error) {
	return &obj.FileModTime.Timestamp, nil
}