package gophx

type Channel struct {
	topic    string
	bindings map[string]func(any)
}

func NewChannel(topic string, params any, socket *Socket) *Channel {
	// TODO: rejoin when socket is reconnected
	channel := &Channel{
		bindings: make(map[string]func(any)),
		topic:    topic,
	}

	msg := message{
		joinRef: 0,
		ref:     0,
		topic:   topic,
		event:   "phx_join",
		payload: params,
	}

	data, err := msg.serializeJSON()
	if err != nil {
		panic(err)
	}

	socket.addChannel(channel)
	socket.send(data)
	return channel
}

func (channel *Channel) On(event string, callback func(any)) {
	channel.bindings[event] = callback
}

func (channel *Channel) Push(event string, params any) {

}

func (channel *Channel) handleMessage(msg message) {
	if binding, ok := channel.bindings[msg.event]; ok {
		go binding(msg.payload)
	}
}