package pathgame.gameplay;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import me.hammerle.snuviengine.api.Key;
import org.lwjgl.glfw.GLFW;

public class Keys {
    public final Key up;
    public final Key down;
    public final Key left;
    public final Key right;
    public final Key zoomIn;
    public final Key zoomOut;
    public final Key confirm;
    public final Key escape;
    public final Key cameraUp;
    public final Key cameraDown;
    public final Key cameraLeft;
    public final Key cameraRight;
    public final Key test;
    public final Key overlay;
    public final Key boat;
    
    public final Key[] keys;
    
    public final String[] keyNames = {
        "Up Key", "Down Key", "Left Key", "Right Key", "Zoom In Key",
        "Zoom Out Key", "Cam Up Key", "Cam Down Key", "Cam Left Key",
        "Cam Right Key", "Overlay Key", "Boat Key"
    };
    
    private final me.hammerle.snuviengine.api.Keys engineKeys;
    
    public Keys(me.hammerle.snuviengine.api.Keys keys) {
        engineKeys = keys;
        up = keys.register(GLFW.GLFW_KEY_W);
        down = keys.register(GLFW.GLFW_KEY_S);
        left = keys.register(GLFW.GLFW_KEY_A);
        right = keys.register(GLFW.GLFW_KEY_D);
        zoomIn = keys.register(GLFW.GLFW_KEY_I);
        zoomOut = keys.register(GLFW.GLFW_KEY_O);
        confirm = keys.register(GLFW.GLFW_KEY_ENTER);
        escape = keys.register(GLFW.GLFW_KEY_ESCAPE);
        cameraUp = keys.register(GLFW.GLFW_KEY_UP);
        cameraDown = keys.register(GLFW.GLFW_KEY_DOWN);
        cameraLeft = keys.register(GLFW.GLFW_KEY_LEFT);
        cameraRight = keys.register(GLFW.GLFW_KEY_RIGHT);
        test = keys.register(GLFW.GLFW_KEY_T);
        overlay = keys.register(GLFW.GLFW_KEY_TAB);
        boat = keys.register(GLFW.GLFW_KEY_E);
        
        this.keys = new Key[]{
            up, down, left, right, zoomIn, zoomOut,
            cameraUp, cameraDown, cameraLeft,
            cameraRight, overlay, boat
        };
        readConfig();
    }
    
    private void readConfig() {
        File f = new File("resources/config.bin");
        if(!f.exists()) {
            return;
        }
        try(DataInputStream reader = new DataInputStream(new FileInputStream(f))) {
            for(Key key : keys) {
                engineKeys.rebind(key, reader.readInt());
            }
        } catch(IOException ex) {
        }
    }
    
    public void rebind(Key key) {
        engineKeys.rebindOnNextKeyPress(key);
    }
}