package main

import (
	"fmt"
	"os"
	"strings"
)

func RunExp(args ...string) error {
	name, args := ParseCommandName(args)

	// 从参数中解析出命令
	switch name {
	case "", "help":
		return RunExpHelp(args...)
	case "list":
		return RunExpList(args...)
	case "get":
		return RunExpGet(args...)
	case "grant":
		return RunExpGrant(args...)
	default:
		err := fmt.Errorf(`unknown command "%s"`+"\n"+`Run 'saastool exp help' for usage`, name)
		fmt.Fprintln(os.Stderr, err)

		return err
	}
}

func RunExpHelp(args ...string) error {
	fmt.Println(strings.TrimSpace(expUsage))
	return nil
}

const expUsage = `
Usage:  saastool exp COMMAND [OPTIONS]

Commands:
    list                 List exps
    get                  Get exp report
    grant                Experiment authorization management

"help" is the default command.

Use "saastool exp COMMAND -help" for more information about a command.
`