using UnityEngine;


public class PlayerController2D : MonoBehaviour
{
    // Public variables
    public float speed = 5f; // The speed at which the player moves
    public bool canMoveDiagonally = true; // Controls whether the player can move diagonally

    // Private variables 
    private Rigidbody2D body; // Reference to the Rigidbody2D component attached to the player
    private SpriteRenderer spriteRenderer;
    private Vector2 movement; // Stores the direction of player movement
    private bool isMovingHorizontally = true; // Flag to track if the player is moving horizontally
    [HideInInspector]
    public bool frozen;
    void Start()
    {
        // Initialize the Rigidbody2D component
        body = GetComponent<Rigidbody2D>();
        spriteRenderer = GetComponent<SpriteRenderer>();
        // Prevent the player from rotating
        body.constraints = RigidbodyConstraints2D.FreezeRotation;
    }

    void Update()
    {
        // Get player input from keyboard or controller
        float horizontalInput = Input.GetAxisRaw("Horizontal");
        float verticalInput = Input.GetAxisRaw("Vertical");

        if (frozen)
        {
            horizontalInput = 0;
            verticalInput = 0;
        }

        // Check if diagonal movement is allowed
        if (canMoveDiagonally)
        {
            // Set movement direction based on input
            movement = new Vector2(horizontalInput, verticalInput);
        }
        else
        {
            // Determine the priority of movement based on input
            if (horizontalInput != 0)
            {
                isMovingHorizontally = true;
            }

            // Set movement direction and optionally rotate the player
            if (isMovingHorizontally)
            {
                movement = new Vector2(horizontalInput, 0);
            }
        }
    }

    void FixedUpdate()
    {
        // Apply movement to the player in FixedUpdate for physics consistency
        body.linearVelocity = movement * speed;
        float moveX = Input.GetAxisRaw("Horizontal");

        if (moveX < 0)
        {
            spriteRenderer.flipX = true;
        }
        else if (moveX > 0)
        {
            spriteRenderer.flipX = false;
        }
    }

}