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

public class MinerMovement : MonoBehaviour
{
    [SerializeField] float moveSpeed = 10f;
    [SerializeField] float jumpSpeed = 5f;

    Vector2 moveInput;
    Rigidbody2D minerRigidbody;
    Animator minerAnimator;
    CapsuleCollider2D minerBodyCollider;
    BoxCollider2D minerFeetCollider;

    GameSession gameCanvas;
    ReplayScreen replayScreen; 

    public bool isLiving = true;

    void Start()
    {
        isLiving = true;
        minerRigidbody = GetComponent<Rigidbody2D>();
        minerAnimator = GetComponent<Animator>();
        minerBodyCollider = GetComponent<CapsuleCollider2D>();
        minerFeetCollider = GetComponent<BoxCollider2D>();
    }

    void Update()
    {
        if (!isLiving) 
        {
            return; 
        }

        Captured();
        Run();
        FlipMinerSprite();
    }

    void OnMove(InputValue value)
    {
        if (!isLiving) 
        {
            return; 
        }

        moveInput = value.Get<Vector2>();
    }

    void OnJump(InputValue value)
    {
        if (!isLiving) 
        {
            return; 
        }

        if (!minerFeetCollider.IsTouchingLayers(LayerMask.GetMask("Ground")))
        {
            return;
        }

        if(value.isPressed)
        {
            minerRigidbody.velocity += new Vector2 (0f, jumpSpeed);
        }
    }

    void Run()
    {
        Vector2 minerVelocity = new Vector2 (moveInput.x * moveSpeed, minerRigidbody.velocity.y);
        minerRigidbody.velocity = minerVelocity;

        bool minerHasHorizontalMovement = Mathf.Abs(minerRigidbody.velocity.x) > Mathf.Epsilon;
        minerAnimator.SetBool("isRunning", minerHasHorizontalMovement);
    }

    void FlipMinerSprite()
    {
        bool minerHasHorizontalMovement = Mathf.Abs(minerRigidbody.velocity.x) > Mathf.Epsilon;

        if (minerHasHorizontalMovement)
            {
                transform.localScale = new Vector2 (-Mathf.Sign(minerRigidbody.velocity.x), 1f);
            }
    }

    void Captured()
    {
        if (minerBodyCollider.IsTouchingLayers(LayerMask.GetMask("Enemies")))
        {
            isLiving = false;
            minerAnimator.SetTrigger("isCaught");
            minerRigidbody.velocity = new Vector2 (-2f, minerRigidbody.velocity.y);
            FindObjectOfType<GameSession>().ProcessPlayerDeath();
        }
    }
}