import java.awt.*;

/**
 * Player — pure data class.
 *
 * <p>Holds position, velocity, input state, sprite frames, and hitbox. No Swing, no game logic —
 * GamePanel owns all of that.
 */
public class Player {

  // ── Identity ──────────────────────────────────────────────────────────────
  public final boolean isSeal; // false = bear, true = seal
  public String name = "";

  // ── Position & physics ────────────────────────────────────────────────────
  public int x, y;
  public int velocityY = 0;
  public int speed = 5;
  public boolean onGround = false;

  // ── Input flags (set by GamePanel's KeyListener) ──────────────────────────
  public boolean left, right, up;

  // ── Hitbox (offset inward from sprite top-left) ───────────────────────────
  public final Rectangle hitbox = new Rectangle(5, 10, 20, 30);

  // ── Sprite animation ──────────────────────────────────────────────────────
  public Image[] walkFrames;
  public int currentFrame = 0;

  // ── Constructor ───────────────────────────────────────────────────────────
  public Player(boolean isSeal, Image[] frames) {
    this.isSeal = isSeal;
    this.walkFrames = frames;
  }

  // ── Helpers ───────────────────────────────────────────────────────────────

  /** Returns the current animation frame, or null if no sprites loaded. */
  public Image currentSprite() {
    if (walkFrames == null || walkFrames.length == 0) return null;
    return walkFrames[currentFrame];
  }

  /** Moves the player to (x, y) and repositions the hitbox to match. */
  public void setPosition(int x, int y) {
    this.x = x;
    this.y = y;
    syncHitbox();
  }

  /** Call after any manual change to x or y to keep the hitbox aligned. */
  public void syncHitbox() {
    hitbox.setLocation(x + 5, y + 10);
  }

  /** Advance animation frame; typically called every N game-loop ticks. */
  public void nextFrame() {
    if (walkFrames != null && walkFrames.length > 1)
      currentFrame = (currentFrame + 1) % walkFrames.length;
  }

  /** Reset to idle (frame 0). */
  public void idleFrame() {
    currentFrame = 0;
  }

  /** Clear all movement input flags — call on level reset. */
  public void clearInput() {
    left = right = up = false;
  }
}