package manager

import (
	"errors"
	"git.noahlan.cn/northlan/ngs/session"
)

const (
	DataKey = "DATA"
)

type DataManager struct {
}

func NewDataManager() *DataManager {
	return &DataManager{}
}

func (m *DataManager) SessionGameStatus(session *session.Session, status GameStatus) {
	if data, err := m.SessionData(session); err == nil {
		data.SetStatus(status)
	}
}

func (m *DataManager) SetSessionData(s *session.Session, data *Data) {
	s.Set(DataKey, data)
}

func (m *DataManager) SessionData(session *session.Session) (*Data, error) {
	if !session.HasKey(DataKey) {
		return nil, errors.New("session中无data数据")
	}
	return session.Value(DataKey).(*Data), nil
}