package main

import (
	"flag"
	"fmt"
	"io"
	"net/http"
	"os"
	"path"
	"typorainstaller/constants"
)

func pull(pull_type int) error {
	var urlToDownload string
	var fname string
	switch pull_type {
	case PULL_INSTALLER:
		urlToDownload = path.Join("https://git.godopu.net/Godopu/typora-installer/src/branch/main/installer", constants.Installer)
		fname = constants.Installer
	case PULL_CONFIG:
		urlToDownload = "https://git.godopu.net/Godopu/typora-installer/src/branch/main/themes.zip"
		fname = "themes.zip"
	}

	resp, err := http.Get(urlToDownload)
	if err != nil {
		return err
	}

	file, err := os.Create(fname)
	if err != nil {
		return err
	}
	defer file.Close()

	_, err = io.Copy(file, resp.Body)
	if err != nil {
		return err
	}

	return nil
}

// func install() {
// 	cmd := exec.Command("powershell", "-nologo", "-noprofile")
// 	stdin, err := cmd.StdinPipe()
// 	if err != nil {
// 		log.Fatal(err)
// 	}

// 	if err != nil {
// 		panic(err)
// 	}
// 	defer stdin.Close()

// 	go func() {
// 		fmt.Fprintln(stdin, "$T = Get-Date")
// 		fmt.Fprintln(stdin, "Set-Date -Date ($T).AddYears(30)")
// 		bout, err := exec.Command("./typora-installer/install.exe").Output()
// 		if err != nil {
// 			log.Println(err)
// 		}
// 		fmt.Println(bout)
// 		fmt.Fprintln(stdin, "Set-Date -Date ($T)")
// 	}()

// 	_, err = cmd.CombinedOutput()
// 	if err != nil {
// 		log.Fatal(err)
// 	}
// }

// func config() {
// 	os.RemoveAll(filepath.Join(configPath, "themes"))
// 	copy.Copy(filepath.Join("typora-installer", "themes"), filepath.Join(configPath, "themes"))
// }

const (
	PULL_INSTALLER = iota
	PULL_CONFIG
)

func IsExistConfig() bool {
	if _, err := os.Stat("./themes.zip"); err == nil {
		return true
	}

	return false
}
func IsExistInstaller() bool {
	return false
}

func main() {

	err := os.MkdirAll(constants.WorkPath, os.ModePerm)
	if err != nil {
		panic(err)
	}

	err = os.Chdir(constants.WorkPath)
	if err != nil {
		panic(err)
	}

	conf := flag.Bool("config", false, "Config")
	inst := flag.Bool("install", false, "Install")
	flag.Parse()

	if *conf {
		if !IsExistConfig() {
			fmt.Println("Downloading config file...")
			pull(PULL_CONFIG)
			fmt.Println("Download Success")
		}
	} else if *inst {
		if !IsExistInstaller() {
			fmt.Println("Downloading install program...")
			err := pull(PULL_INSTALLER)
			if err != nil {
				panic(err)
			}
			fmt.Println("Download Success")
		}
	}
	// if *inst {
	// 	if _, err := os.Stat(filepath.Join(workPath, "typora-installer")); err != nil {
	// 		fmt.Println("Start download")
	// 		download()
	// 		fmt.Println("download success")
	// 		fmt.Println("Start unzip")
	// 		unzip("main.zip")
	// 		fmt.Println("Unzip success")
	// 	}

	// 	fmt.Println("Installing...")
	// 	install()
	// 	fmt.Println("Install success")
	// } else if *conf {
	// 	if _, err := os.Stat(filepath.Join(workPath, "typora-installer")); err != nil {
	// 		fmt.Println("Start download")
	// 		download()
	// 		fmt.Println("download success")
	// 		fmt.Println("Start unzip")
	// 		unzip("main.zip")
	// 		fmt.Println("Unzip success")
	// 	}
	// 	fmt.Println("Set config")
	// 	config()
	// 	fmt.Println("Config success")
	// }
}