package session

import (
	"git.noahlan.cn/northlan/nnet/nface"
	"sync"
)

type Manager struct {
	sync.RWMutex
	sessions map[int64]nface.ISession
}

func NewManager() *Manager {
	return &Manager{
		RWMutex:  sync.RWMutex{},
		sessions: make(map[int64]nface.ISession),
	}
}

func (m *Manager) StoreSession(s nface.ISession) {
	m.Lock()
	defer m.Unlock()

	m.sessions[s.ID()] = s
}

func (m *Manager) FindSession(sid int64) nface.ISession {
	m.RLock()
	defer m.RUnlock()

	return m.sessions[sid]
}

func (m *Manager) FindOrCreateSession(sid int64) nface.ISession {
	m.RLock()
	s, ok := m.sessions[sid]
	m.RUnlock()

	if !ok {
		s = New()

		m.Lock()
		m.sessions[s.ID()] = s
		m.Unlock()
	}
	return s
}