/* Eric Li, ICS4U, Completed 5/29/2022

Paddle class defines behaviours for the left and right player-controlled paddles */

import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;

public class Player extends GenericSprite {
  public final int SPEED = 5;
  public static final int PLAYER_WIDTH = 72;
  public static final int PLAYER_HEIGHT = 97;
  public int lastXDirection, lastYDirection, lastFrame;
  public int upKey, downKey, rightKey, leftKey;
  // sA[0] is -x, -y
  // sA[1] is x, -y
  // sA[2] is -x, y
  // sA[3] is x, y
  public BufferedImage[][][] spriteArray;
  public Player(int x, int y, int upKey, int downKey, int leftKey, int rightKey, BufferedImage[][][] sprites) {
    super(x, y, PLAYER_HEIGHT, PLAYER_WIDTH);

    this.upKey = upKey;
    this.downKey = downKey;
    this.leftKey = leftKey;
    this.rightKey = rightKey;
    spriteArray = sprites;
  }



  // moves paddle when key is pressed
  public void keyPressed(KeyEvent e) {
    if(e.getKeyChar() == 'd'){
      rightPressed = true;

    }
    if(e.getKeyChar() == 'a'){
      leftPressed = true;

    }
    if(e.getKeyChar() == 'w'){
      upPressed = true;

    }
    if(e.getKeyChar() == 's'){
      downPressed = true;

    }
    move();
  }

  // stops moving paddle when key is released
  public void keyReleased(KeyEvent e) {
    if(e.getKeyChar() == 'd'){
      rightPressed = false;
      move();
    }
    if(e.getKeyChar() == 'a'){
      leftPressed = false;
      move();
    }
    if(e.getKeyChar() == 'w'){
      upPressed = false;
      move();
    }
    if(e.getKeyChar() == 's'){
      downPressed = false;
      move();
    }
  }

  // calls parent
  public void move(){
    y = y + (int)yVelocity;
    GamePanel.camera.x = GamePanel.camera.x + (int)xVelocity;
    if(rightPressed){
      xVelocity+=1;
    }
    if(leftPressed) {
      xVelocity -= 1;
    }
    if(upPressed&isGrounded){
      yVelocity = -10;
    }
    xVelocity*=0.9;
    yVelocity+=0.3;
    capSpeed();
  }

  public void capSpeed(){
    if(xVelocity>speedCap){
      xVelocity = speedCap;
    } else if(xVelocity<-1*speedCap) {
      xVelocity = -1*speedCap;
    }
  }

  public int draw(Graphics g, int frame) {
    // g.setColor(Color.WHITE);
    if (!upPressed && !downPressed && !leftPressed && !rightPressed) {
      g.drawImage(spriteArray[lastXDirection][lastYDirection][0], x, y, null);
      return 0;
    } else {
      lastXDirection = (int)(Math.signum(xVelocity) + 1) / 2;
      lastYDirection = (int)(Math.signum(yVelocity) + 1) / 2;
      lastFrame = frame;
      g.drawImage(spriteArray[lastXDirection][lastYDirection][frame], x, y, null);
      return 1;
    }
  }
}