using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.Events;

public class PlayerController : MonoBehaviour
{
    [SerializeField]
    private GameObject player;
    private IMovable movementPlayer;
    private StatusEffects sE;

    private float speed;
    //Variables to control the movement that needs to be on the fixed update, but influenced by inputs
    private bool moving;
    private float horizontalAxis;

    public bool aswitch { get; private set; }
    private bool rogueAbility;

    //public List<ClassBaseType> classes;
    private ClassSelection cS;
    private WeaponScript mg;

    private int currentClassIndex;
    private ClassBaseType currentClass;
    void Start()
    {
        
        
            movementPlayer = GetComponent<IMovable>();
            sE = GetComponent<StatusEffects>();
            mg = GetComponent<WeaponScript>();
            cS= GetComponent<ClassSelection>();
        Debug.Log(cS);
        


    }

    void Update()
    {
        //All the inputs will come from the update, if changed please use the unity inputs, since we want to do the input system on the menu.
        if (movementPlayer != null && sE != null)
        {
            horizontalAxis = Input.GetAxis("Horizontal");
            float t = Input.GetAxis("Mouse ScrollWheel");
            if (t != 0)
            {
                mg.ChangeWeapon(t);
            }
            if (Input.anyKey && !movementPlayer.GetBlockMovement())
            {
                if (Input.GetButtonDown("Jump"))
                {
                    if (movementPlayer.OnGround())
                    {
                        //drag is changed to 0 if in midair in order to have more controll.
                        movementPlayer.ChangeDrag(0);
                        movementPlayer.ChangeVelocity(new Vector3(movementPlayer.GetVelocity().x, sE.jumpForce, movementPlayer.GetVelocity().z));
                    }
                }
                if (horizontalAxis != 0 && Input.GetButton("Horizontal"))
                {
                    moving = true;

                    if (movementPlayer.OnGround())
                    {
                        //if the player is asking to move the pawn.
                        movementPlayer.ChangeDrag(0);
                    }
                }
                else moving = false;
                if (Input.GetButton("Fire1"))
                {
                    Vector3 screenPos = Camera.main.WorldToScreenPoint(transform.position);
                    Vector3 mouseDir = Vector3.Normalize(Input.mousePosition - screenPos);
                    mg.Shoot(mouseDir);
                }
            }

        }

        if (Input.GetKeyDown(KeyCode.Q))
        {
            cS.SwitchClasses();
        }
        cS.CoolDowns();
        cS.UseAbility();
    }

    public void TemporaryUISwitch()
    {
        aswitch = !aswitch;
    }
    private void FixedUpdate()
    {
        if (movementPlayer != null)
        {
            if (!movementPlayer.OnGround())
            {
                //Check if the player is in midair, this is more if the midair is originated because the player fell.
                movementPlayer.ChangeDrag(0);
                speed = sE.speedAir;
                //Increases the gravity just for this pawn.
                if(movementPlayer.GetGravity())
                movementPlayer.AddForce(Vector3.down * sE.increasedGravity);
            }
            else speed = sE.speedGround;

            if (Mathf.Abs(horizontalAxis) < 1)
            {
                //if the player is trying to stop moving or changing directions
                if (movementPlayer.OnGround())
                    movementPlayer.ChangeDrag(sE.dragStop);
            }
            if (moving && !movementPlayer.GetBlockMovement())
            {
                movementPlayer.Move(Vector3.right, speed, speed * horizontalAxis);
            }
        }
    }
}