/*******************************************************************************
* Copyright 2022 Stefan Majewsky <majewsky@gmx.net>
* SPDX-License-Identifier: GPL-3.0-only
* Refer to the file "LICENSE" for details.
*******************************************************************************/

package main

import (
	"fmt"
	"os"
	"path/filepath"
)

func main() {
	if len(os.Args) != 2 {
		usage(1)
	}
	switch os.Args[1] {
	case "upload":
		Upload(Scan())
	case "generate":
		Generate(Scan())
	case "help", "--help":
		usage(0)
	}
	scanResult := Scan()
	fmt.Printf("%#v", scanResult)
}

func must(err error) {
	if err != nil {
		fail(err.Error())
	}
}

func fail(msg string, args ...interface{}) {
	if len(args) > 0 {
		msg = fmt.Sprintf(msg, args...)
	}
	fmt.Fprintln(os.Stderr, "ERROR: ", msg)
	os.Exit(1)
}

func usage(exitCode int) {
	fmt.Fprintf(os.Stderr,
		"Usage:\n\n"+
			"  %[1]s upload   - Upload all relevant files for one episode to <sftp://ftp.c3d2.de>.\n"+
			"  %[1]s generate - Generate the c3d2-web news entry XML file for one episode.\n\n"+
			"All relevant files (audios, chapter marks file, shownotes Markdown file) must be in the working directory.\n",
		filepath.Base(os.Args[0]),
	)
	os.Exit(exitCode)
}