package discord

type DiscordEvent uint8

const (
	DISCORD_EVENT_READY DiscordEvent = iota
	DISCORD_EVENT_MESSAGE
)

type EventHandler interface {
	Add(event DiscordEvent, handler func(payload any))

	Fire(event DiscordEvent, payload any)
}

var _ EventHandler = &EventHandlerImpl{}

type EventHandlerImpl struct {
	handlers map[DiscordEvent]func(payload any)
}

func NewEventHandler() *EventHandlerImpl {
	return &EventHandlerImpl{
		handlers: make(map[DiscordEvent]func(payload any)),
	}
}

func (h *EventHandlerImpl) Add(event DiscordEvent, handler func(payload any)) {
	h.handlers[event] = handler
}

func (h *EventHandlerImpl) Fire(event DiscordEvent, payload any) {
	if handler, ok := h.handlers[event]; ok {
		handler(payload)
	}
}