/*
 * Copyright (C) 2014 ~ 2018 Deepin Technology Co., Ltd.
 *
 * Author:     jouyouyun <jouyouwen717@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package main

import (
	"fmt"
	kingpin "gopkg.in/alecthomas/kingpin.v2"
	"pkg.deepin.io/dde/api/thumbnails"
)

const (
	SizeTypeNormal int = 128
	SizeTypeLarge      = 256
)

func main() {
	var (
		src  = kingpin.Flag("src", "Source file").String()
		size = kingpin.Flag("size", "Thumbnail size").Int()
	)
	kingpin.Parse()

	if len(*src) == 0 {
		fmt.Println("Please input source file")
		return
	}

	if *size < 0 {
		fmt.Println("Invalid size:", *size)
		return
	}

	if *size == 0 {
		dest, err := thumbnails.GenThumbnail(*src, SizeTypeNormal)
		if err != nil {
			fmt.Printf("Gen '%s' thumbnail in size '%v' failed: %v\n", *src, SizeTypeNormal, err)
			return
		}
		fmt.Printf("Thumbnail[%v]: %v\n", SizeTypeNormal, dest)

		dest, err = thumbnails.GenThumbnail(*src, SizeTypeLarge)
		if err != nil {
			fmt.Printf("Gen '%s' thumbnail in size '%v' failed: %v\n", *src, SizeTypeLarge, err)
			return
		}
		fmt.Printf("Thumbnail[%v]: %v\n", SizeTypeLarge, dest)
		return
	}

	dest, err := thumbnails.GenThumbnail(*src, *size)
	if err != nil {
		fmt.Printf("Gen '%s' thumbnail in size '%v' failed: %v\n", *src, *size, err)
		return
	}
	fmt.Printf("Thumbnail[%v]: %v\n", *size, dest)
}
