using UnityEngine;
using UnityEngine.Events;

namespace Autohand{
    [RequireComponent(typeof(ConfigurableJoint))]
    public class PhysicsGadgetJoystick : MonoBehaviour{
        ConfigurableJoint joint;
        public bool invertX;
        public bool invertY;
        [Tooltip("For objects slightly off center. " +
            "\nThe minimum abs value required to return a value nonzero value\n " +
            "- if playRange is 0.1, you have to move the gadget 10% to get a result")]
        public float playRange = 0.05f; 
        Vector2 xRange, zRange;
        Vector2 value;
        Vector3 jointRotation;
        Rigidbody body;

        void Start(){
            joint = GetComponent<ConfigurableJoint>();  
            body = GetComponent<Rigidbody>();
        }

        public void FixedUpdate(){
            xRange = new Vector2(joint.lowAngularXLimit.limit, joint.highAngularXLimit.limit);
            zRange = new Vector2(-joint.angularZLimit.limit, joint.angularZLimit.limit);
            jointRotation = joint.Angles();
            value = new Vector2(jointRotation.z/(zRange.x - zRange.y), jointRotation.x/(xRange.x - xRange.y))*2;
        }

        public Vector2 GetValue() {
            if (Mathf.Abs(value.x) < playRange)
                value.x = 0;
            if (Mathf.Abs(value.y) < playRange)
                value.y = 0;
            
            value.x = invertX ? -value.x : value.x;
            value.y = invertY ? -value.y : value.y;
            return new Vector2(Mathf.Clamp(value.x, -1, 1), Mathf.Clamp(value.y, -1, 1));
        }
        
    }
}