package main

import (
	"fmt"
	"strings"
)

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

	// 从参数中解析出命令
	switch name {
	case "", "help":
		return RunGrantHelp(args...)
	case "list":
		return RunGrantList(args...)
	case "add":
		return RunGrantAdd(args...)
	case "delete":
		return RunGrantDelete(args...)
	default:
		return fmt.Errorf(`Unknown command "%s"`+"\n"+`Run 'saastool grant help' for usage`, name)
	}
}

func RunGrantHelp(args ...string) error {
	fmt.Println(strings.TrimSpace(grantUsage))
	return nil
}

const grantUsage = `
Usage:  saastool grant COMMAND [OPTIONS]

Commands:
    list                 List data grants
    add                  Add data grant
    delete               Delete data grant

"help" is the default command.

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