package command

import (
	pushPb "dcg/game/pb/push"
)

type HandlerFunc func(roomId int64, cmd string, user *pushPb.PushUser)

type Manager struct {
	handlers map[string]HandlerFunc
}

func NewManager() *Manager {
	return &Manager{
		handlers: make(map[string]HandlerFunc),
	}
}

func (m *Manager) Register(h HandlerFunc, cmd string, alias ...string) {
	if _, ok := m.handlers[cmd]; ok {
		return
	}
	m.handlers[cmd] = h
	// alias
	for _, s := range alias {
		if _, ok := m.handlers[cmd]; ok {
			continue
		}
		m.handlers[s] = h
	}
}

func (m *Manager) Handle(roomId int64, cmd string, user *pushPb.PushUser) {
	if h, ok := m.handlers[cmd]; ok {
		h(roomId, cmd, user)
	}
}