package me.hammerle.snuviengine.api;

import static org.lwjgl.glfw.GLFW.*;

public final class KeyBinding
{
    private boolean isDown = false;
    private int time = 0;
    private boolean isReleased = false;
    private int key;
    private boolean isRebinding = false;
    private String name = null;
    
    protected KeyBinding(int key)
    {
        this.key = key;
    }
    
    public boolean isRebinding()
    {
        return isRebinding;
    }
    
    public String getName()
    {
        if(name == null)
        {
            switch(key)
            {
                case GLFW_KEY_UP: name = "Up"; break;
                case GLFW_KEY_DOWN: name = "Down"; break;
                case GLFW_KEY_LEFT: name = "Left"; break;
                case GLFW_KEY_RIGHT: name = "Right"; break;
                case GLFW_KEY_LEFT_SHIFT: name = "L-Shift"; break;
                case GLFW_KEY_RIGHT_SHIFT: name = "R-Shift"; break;
                case GLFW_KEY_ESCAPE: name = "Escape"; break;
                case GLFW_KEY_ENTER: name = "Enter"; break;
                case GLFW_KEY_SPACE: name = "Space"; break;
                default:
                    name = glfwGetKeyName(key, glfwGetKeyScancode(key));
                    if(name != null)
                    {
                        name = name.substring(0, 1).toUpperCase() + name.substring(1);
                    }
            }
            if(name == null)
            {
                name = "Unknown";
            }
        }
        return name;
    }
    
    protected void setIsRebinding(boolean b)
    {
        isRebinding = b;
    }
    
    protected void onKeyDownEvent()
    {
        isDown = true;
    }
    
    protected void onKeyUpEvent()
    {
        isReleased = true;
    }
    
    protected void tick()
    {   
        if(isDown)
        {
            time++;
            if(isReleased)
            {
                isDown = false;
            }
        }
        else if(isReleased)
        {
            isReleased = false;
            time = 0;
        }
    }
    
    public boolean isReleased()
    {
        return isReleased;
    }
    
    public boolean isUp()
    {
        return !isDown;
    }
    
    public boolean isDown()
    {
        return isDown;
    }
    
    public int getTime()
    {
        return time;
    }
    
    public void setTime(int time)
    {
        this.time = time;
    }
    
    protected void setKey(int key)
    {
        this.key = key;
        name = null;
    }
    
    public int getKey()
    {
        return key;
    }
}