const path = require('path')
const config = require('../config.js')
const fs = require('fs')
const gm = require('gm')
const ffmpeg = require('fluent-ffmpeg')

const utilsController = {}

utilsController.getPrettyDate = function(date) {
	return date.getFullYear() + '-'
		+ (date.getMonth() + 1) + '-'
		+ date.getDate() + ' '
		+ (date.getHours() < 10 ? '0' : '')
		+ date.getHours() + ':'
		+ (date.getMinutes() < 10 ? '0' : '')
		+ date.getMinutes() + ':'
		+ (date.getSeconds() < 10 ? '0' : '')
		+ date.getSeconds()
}

utilsController.generateThumbs = function(file, basedomain) {
	if (config.uploads.generateThumbnails !== true) return

	let extensions = ['.jpg', '.jpeg', '.bmp', '.gif', '.png', '.webm', '.mp4']
	for (let ext of extensions) {
		if (path.extname(file.name).toLowerCase() === ext) {
			let thumbname = path.join(__dirname, '..', config.uploads.folder, 'thumbs', file.name.slice(0, -ext.length) + '.png')
			fs.access(thumbname, function(err) {
				if (err && err.code === 'ENOENT') {
					// File doesnt exist

					if (ext === '.webm' || ext === '.mp4') {
						ffmpeg(path.join(__dirname, '..', config.uploads.folder, file.name))
							.thumbnail({
								timestamps: [0],
								filename: '%b.png',
								folder: path.join(__dirname, '..', config.uploads.folder, 'thumbs'),
								size: '200x?'
							})
							.on('error', (error) => {
								console.log('Error - ', error.message)
							})
					} else {
						let size = {
							width: 200,
							height: 200
						}

						gm(path.join(__dirname, '..', config.uploads.folder, file.name))
							.resize(size.width, size.height + '>')
							.gravity('Center')
							.extent(size.width, size.height)
							.background('transparent')
							.write(thumbname, (error) => {
								if (error) console.log('Error - ', error)
							})
					}
				}
			})
		}
	}
}

module.exports = utilsController