import * as Minio from 'minio';
import * as uuid from 'uuid';
const sequential = require('promise-sequential');
import DriveFile, { DriveFileChunk, getDriveFileBucket } from '../models/drive-file';
import DriveFileThumbnail, { DriveFileThumbnailChunk } from '../models/drive-file-thumbnail';
import config from '../config';

DriveFile.find({
	$or: [{
		withoutChunks: { $exists: false }
	}, {
		withoutChunks: false
	}]
}).then(async files => {
	await sequential(files.map(file => async () => {
		const minio = new Minio.Client(config.drive.config);

		const keyDir = `${config.drive.prefix}/${uuid.v4()}`;
		const key = `${keyDir}/${name}`;
		const thumbnailKeyDir = `${config.drive.prefix}/${uuid.v4()}`;
		const thumbnailKey = `${thumbnailKeyDir}/${name}.thumbnail.jpg`;

		const baseUrl = config.drive.baseUrl
			|| `${ config.drive.config.useSSL ? 'https' : 'http' }://${ config.drive.config.endPoint }${ config.drive.config.port ? `:${config.drive.config.port}` : '' }/${ config.drive.bucket }`;

		const bucket = await getDriveFileBucket();
		const readable = bucket.openDownloadStream(file._id);

		await minio.putObject(config.drive.bucket, key, readable, file.length, {
			'Content-Type': file.contentType,
			'Cache-Control': 'max-age=31536000, immutable'
		});

		await DriveFile.findOneAndUpdate({ _id: file._id }, {
			$set: {
				'metadata.withoutChunks': true,
				'metadata.storage': 'minio',
				'metadata.storageProps': {
					key: key,
					thumbnailKey: thumbnailKey
				},
				'metadata.url': `${ baseUrl }/${ keyDir }/${ encodeURIComponent(name) }`,
			}
		});

		// チャンクをすべて削除
		await DriveFileChunk.remove({
			files_id: file._id
		});

		//#region サムネイルもあれば削除
		const thumbnail = await DriveFileThumbnail.findOne({
			'metadata.originalId': file._id
		});

		if (thumbnail) {
			await DriveFileThumbnailChunk.remove({
				files_id: thumbnail._id
			});

			await DriveFileThumbnail.remove({ _id: thumbnail._id });
		}
		//#endregion

		console.log('done', file._id);
	}));
});