#include "IInputSystem.h"
#include "IInputListener.h"

namespace LifeCore
{
    bool IInputSystem::IsListening(IInputListener* listener){
        for(auto val : listeners)
            if(val == listener)
                return true;
        return false;
    }
    bool IInputSystem::RemoveListener(IInputListener* listener){
        auto it = listeners.begin();
        for(it = listeners.begin(); it != listeners.end(); ++it){
            if(*it == listener)
                break;
        }

        if(it == listeners.end())
            return false;

        listeners.erase(it);

        if(listener->GetInputSystem() == this){
            listener->SetInputSystem(nullptr);
        }
        return true;
    }
    void IInputSystem::AddListener(IInputListener* listener){
        if(IsListening(listener))
            return;
        listeners.push_back(listener);
        if(listener->GetInputSystem() != this)
            listener->SetInputSystem(this);
    }
    bool IInputSystem::KeyPressed(Key key){
        return keyboard_keys[static_cast<size_t>(key)];
    }
    void IInputSystem::OnKeyPress(Key key, unsigned int text, const std::string& str){
        keyboard_keys[static_cast<size_t>(key)] = true;
        for(auto listener : listeners)
            listener->KeyDown(key, text, str);
    }
    void IInputSystem::OnKeyRelease(Key key, unsigned int text, const std::string& str){
        keyboard_keys[static_cast<size_t>(key)] = false;
        for(auto listener : listeners)
            listener->KeyUp(key, text, str);
    }
    void IInputSystem::OnMouseMove(int absX, int relX, int absY, int relY){
        for(auto listener : listeners)
            listener->MouseMove(absX, relX, absY, relY);
    }
    void IInputSystem::OnMousePress(MouseKey button){
        for(auto listener : listeners)
            listener->MousePressed(button);
    }
    void IInputSystem::OnMouseRelease(MouseKey button){
        for(auto listener : listeners)
            listener->MouseReleased(button);
    }
}