package omc

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

type MsgBody struct {
	UID     string
	RawData []byte
	MsgName string
	Msg     map[string]string
	Keys    []string
}

// Decode
// reqLoginAlarm;user=yiy;key=qw#$@;type=msg
func (o *MsgBody) Decode() error {
	multi := strings.Split(string(o.RawData), ";")
	if len(multi) < 1 {
		return errors.New("invalid msg body")
	}
	for i := 1; i < len(multi); i++ {
		m := strings.Split(multi[i], "=")
		if len(m) != 2 {
			return errors.New("invalid msg body")
		}
		o.Msg[m[0]] = m[1]
	}
	return nil
}

// Pack
// reqLoginAlarm;user=yiy;key=qw#$@;type=msg
func (o *MsgBody) Pack() error {
	var multi []string
	multi = append(multi, o.MsgName)
	for _, key := range o.Keys {
		item := fmt.Sprintf("%s=%s", key, o.Msg[key])
		multi = append(multi, item)
	}
	raw := strings.Join(multi, ";")
	o.RawData = []byte(raw)
	return nil
}