package cmdn

import (
	"errors"
	"fmt"
	"regexp"
	"strings"
)

type IResponse interface {
	// MessageID 消息ID
	MessageID() string
}

type PlainResp struct {
	ID      string
	Command string
	Result  string
	Err     error
}

func (r *PlainResp) MessageID() string {
	return r.ID
}

func (r *PlainResp) GetResult() (string, error) {
	reg, _ := regexp.Compile(`\t`)
	result := strings.TrimSpace(reg.ReplaceAllString(r.Result, " "))

	res := strings.Fields(result)
	l := len(res)
	if l > 0 {
		if res[0] == "=" {
			return strings.TrimSpace(strings.Join(res[1:], " ")), nil
		} else if res[0] == "?" {
			return "", errors.New(strings.Join(res[1:], " "))
		}
	}
	return "", errors.New(fmt.Sprintf("错误（未知应答）: %s", r.Err))
}