// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package common

import (
	"context"
	"errors"
	"fmt"

	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
	"github.com/superseriousbusiness/gotosocial/internal/media"
)

// StoreLocalMedia is a wrapper around CreateMedia() and
// ProcessingMedia{}.Load() with appropriate error responses.
func (p *Processor) StoreLocalMedia(
	ctx context.Context,
	accountID string,
	data media.DataFunc,
	info media.AdditionalMediaInfo,
) (
	*gtsmodel.MediaAttachment,
	gtserror.WithCode,
) {
	// Create a new processing media attachment.
	processing, err := p.media.CreateMedia(ctx,
		accountID,
		data,
		info,
	)
	if err != nil {
		err := gtserror.Newf("error creating media: %w", err)
		return nil, gtserror.NewErrorInternalError(err)
	}

	// Immediately trigger write to storage.
	attachment, err := processing.Load(ctx)
	if err != nil {
		const text = "error processing emoji"
		err := gtserror.Newf("error processing media: %w", err)
		return nil, gtserror.NewErrorUnprocessableEntity(err, text)
	} else if attachment.Type == gtsmodel.FileTypeUnknown {
		text := fmt.Sprintf("could not process %s type media", attachment.File.ContentType)
		return nil, gtserror.NewErrorUnprocessableEntity(errors.New(text), text)
	}

	return attachment, nil
}

// StoreLocalMedia is a wrapper around CreateMedia() and
// ProcessingMedia{}.Load() with appropriate error responses.
func (p *Processor) StoreLocalEmoji(
	ctx context.Context,
	shortcode string,
	data media.DataFunc,
	info media.AdditionalEmojiInfo,
) (
	*gtsmodel.Emoji,
	gtserror.WithCode,
) {
	// Create a new processing emoji media.
	processing, err := p.media.CreateEmoji(ctx,
		shortcode,
		"", // domain = "" -> local
		data,
		info,
	)
	if err != nil {
		err := gtserror.Newf("error creating emoji: %w", err)
		return nil, gtserror.NewErrorInternalError(err)
	}

	// Immediately write to storage.
	emoji, err := processing.Load(ctx)
	if err != nil {
		const text = "error processing emoji"
		err := gtserror.Newf("error processing emoji %s: %w", shortcode, err)
		return nil, gtserror.NewErrorUnprocessableEntity(err, text)
	}

	return emoji, nil
}