package main

import (
	"fmt"
	"golang.org/x/image/webp"
	"image/jpeg"
	"io"
	"log"
	"os"
	"time"
)

func main() {
	var (
		inFile  io.Reader
		outFile io.Writer
	)

	iFile, err := os.OpenFile("/home/debuggerx/Pictures/test.webp", os.O_RDONLY, 0)
	if err != nil {
		log.Fatal(err)
	}
	defer iFile.Close()
	inFile = iFile

	oFile, err := os.OpenFile("/home/debuggerx/Pictures/test.jpg", os.O_CREATE|os.O_WRONLY|os.O_APPEND, os.FileMode(0644))
	if err != nil {
		log.Fatal(err)
	}
	defer oFile.Close()
	outFile = oFile

	startTime := time.Now().UnixNano()
	m, err := webp.Decode(inFile)
	endTime := time.Now().UnixNano()
	fmt.Println((endTime - startTime) / 1e6)
	if err != nil {
		log.Fatal(err)
	}

	startTime = time.Now().UnixNano()
	err = jpeg.Encode(outFile, m, &jpeg.Options{Quality: 50})
	endTime = time.Now().UnixNano()
	fmt.Println((endTime - startTime) / 1e6)
	if err != nil {
		log.Fatal(err)
	}
}