package main

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

func GetDefaultConfigDir() string {
    return filepath.Join(Homedir(), ".gdrive")
}

func ConfigFilePath(basePath, name string) string {
    return filepath.Join(basePath, name)
}

func Homedir() string {
	if runtime.GOOS == "windows" {
		return os.Getenv("APPDATA")
	}
	return os.Getenv("HOME")
}

func equal(a, b []string) bool {
    if a == nil && b == nil {
        return true;
    }

    if a == nil || b == nil {
        return false;
    }

    if len(a) != len(b) {
        return false
    }

    for i := range a {
        if a[i] != b[i] {
            return false
        }
    }

    return true
}

func ExitF(format string, a ...interface{}) {
	fmt.Fprintf(os.Stderr, format, a...)
	fmt.Println("")
	os.Exit(1)
}

func checkErr(err error) {
    if err != nil {
        fmt.Println(err)
        os.Exit(1)
    }
}