using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerControls : MonoBehaviour
{
    [Header("Physics")]
    public Vector3 colliderOffset;
    public Vector3 colliderSize;
    public Vector2 castDirection;
    public float castDistance;
    public Vector3 gravity;
    public Vector3 velocity;
    public float maxVelocity = 100;

    [Header("Monitor")]
    public bool stuckBottom;
    public bool stuckRight;
    public bool stuckLeft;
    public bool stuckUp;
    
    void Start()
    {
        
    }

    void FixedUpdate()
    {
        Simulate();
    }

    void Simulate(){
        RaycastHit2D[] overlappingColliders= Physics2D.BoxCastAll(transform.position + colliderOffset, colliderSize,0,castDirection,castDistance);
        stuckBottom = stuckLeft = stuckRight = stuckUp = false; // <-- Reset all stuck states.

        if(overlappingColliders.Length > 0){
            for(int i =0; i < overlappingColliders.Length; i++){
                RaycastHit2D hit = overlappingColliders[i];
                Debug.Log(hit.collider.name);
                Vector2 offset = (Vector2)(transform.position+colliderOffset) - hit.point;
                float xBoundary = (colliderSize.x /2f) * 0.9f;
                float yBoundary = (colliderSize.y /2f) * 0.1f;

                if(offset.x >= xBoundary){
                    stuckLeft=true;
                }else if(offset.x <= -xBoundary) {
                    stuckRight=true;
                }

                if(offset.y >= yBoundary){
                    stuckBottom=true;
                }else if(offset.y <= -yBoundary){
                    stuckUp=true;
                }
            }
        }else{
            //No contacts... freefalling
            velocity+=gravity;
        }

        //Apply stucks
        velocity = new Vector3(
            Mathf.Clamp(velocity.x, (stuckLeft) ? 0: -maxVelocity, (stuckRight) ? 0: maxVelocity),
            Mathf.Clamp(velocity.y, (stuckBottom) ? 0: -maxVelocity, (stuckUp)?0: maxVelocity)
        );

        transform.Translate(velocity); // <-- Apply the calculated velocity
    }

    private void OnDrawGizmos() {
        Gizmos.color = Color.green;
        Gizmos.DrawWireCube(transform.position + colliderOffset, colliderSize);
    }
}