package media

import (
	"context"
	"donat-widget/internal/model"
	"log/slog"
)

func New(mediaRepo model.MediaRepo) *ServiceMedia {
	return &ServiceMedia{
		mediaRepo: mediaRepo,
	}
}

type ServiceMedia struct {
	mediaRepo model.MediaRepo
}

func (mediaService *ServiceMedia) SetMediaFile(
	ctx context.Context,
	mediaType model.MediaType,
	widgetID model.WidgetID,
	file model.UploadFile,
	filename string,
	size int64,
	collection string,
) error {
	fileID, err := mediaService.mediaRepo.SetMediaFile(
		file,
		filename,
		size,
		collection,
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.SetMediaFile: " + err.Error())
		return err
	}

	err = mediaService.SetMediaUrl(
		ctx,
		mediaType,
		widgetID,
		model.MediaUrl(fileID),
	)
	if err != nil {
		slog.Error("mediaService.SetMediaUrl: " + err.Error())
		return err
	}

	return nil
}

func (mediaService *ServiceMedia) GetMediaFile(
	ctx context.Context,
	widgetID model.WidgetID,
	mediaType model.MediaType,
) (model.DownloadFile, error) {
	fileID, err := mediaService.mediaRepo.GetMediaUrl(
		ctx,
		widgetID,
		mediaType,
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.GetMediaUrl: " + err.Error())
		return nil, err
	}

	file, err := mediaService.mediaRepo.GetMediaFile(
		model.FileID(fileID),
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.GetMediaFile: " + err.Error())
		return nil, err
	}
	return file, nil
}

func (mediaService *ServiceMedia) UpdateMediaFile(
	ctx context.Context,
	widgetID model.WidgetID,
	mediaType model.MediaType,
	file model.UploadFile,
	filename string,
	size int64,
	collection string,
) error {
	fileID, err := mediaService.mediaRepo.GetMediaUrl(
		ctx,
		widgetID,
		mediaType,
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.GetMediaUrl: " + err.Error())
		return err
	}

	err = mediaService.mediaRepo.UpdateMediaFile(
		ctx,
		widgetID,
		file,
		model.FileID(fileID),
		filename,
		size,
		collection,
		mediaType,
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.UpdateMediaFile: " + err.Error())
		return err
	}
	return nil
}

func (mediaService *ServiceMedia) SetMediaUrl(
	ctx context.Context,
	mediaType model.MediaType,
	widgetID model.WidgetID,
	mediaUrl model.MediaUrl,
) error {
	err := mediaService.mediaRepo.SetMediaUrl(
		ctx,
		widgetID,
		mediaUrl,
		mediaType,
	)
	if err != nil {
		slog.Error("mediaService.mediaRepo.SetMediaUrl: " + err.Error())
		return err
	}
	return nil
}