#pragma once

#include <string>

// TODO: make life cycle object class.
// objects from that class can be created and destroyed only through factory
// methods which create updates too.

namespace game {
    class StateUpdateEvent {
    public:
        enum class LifeCycle {
            Create,  // something was created
            Modify,  // something was modified (look at attributes)
            Destroy  // something was destroyed
        };

        // add all possible classes here
        enum class EventType {
            Explosion
        };

        StateUpdateEvent(LifeCycle cycle, EventType event)
            : m_lifeCycle(cycle), m_eventType(event)
        {
        }

        LifeCycle lifeCycle() const { return m_lifeCycle; }
        EventType eventType() const { return m_eventType; }

        std::string description() const
        {
            // TODO
            return "<event>";
        }

        static std::string lifeCycleToString(LifeCycle lifeCycle)
        {
            switch(lifeCycle) {
                case StateUpdateEvent::LifeCycle::Create:  return "create";
                case StateUpdateEvent::LifeCycle::Modify:  return "modify";
                case StateUpdateEvent::LifeCycle::Destroy: return "destroy";
                default: return "<invalid>";
            }
        }

    private:
        const LifeCycle m_lifeCycle;
        const EventType m_eventType;
    };
}