package main

import (
	"fmt"
	"os"
)

func commandsUsage() string {
	return fmt.Sprintf(
		`commands:
  path        %v
  week        %v
`, commandPathDescription, commandWeekDescription)
}

func main() {
	if len(os.Args) >= 2 {
		switch os.Args[1] {
		case "path":
			commandPath(os.Args[1:])
		case "week":
			commandWeek(os.Args[1:])
		default:
			fmt.Printf("unknow command `%v`\n\n", os.Args[1])
			fmt.Printf("%v", commandsUsage())
			os.Exit(1)
		}
	} else {
		fmt.Println("Personal scripts set written in Golang\n")
		fmt.Printf("%v", commandsUsage())
	}

}