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

public class PlayerMovement : MonoBehaviour
{
    public float speed;
    public float moveH { get; set; }
    private Rigidbody2D rb2d;
    private Animator animator;
    private SpriteRenderer spriteRenderer;
    public float jumpSpeed;
    public AudioClip jumpSound;
    public LayerMask floor;
    private bool isGard = false;
    public BoxCollider2D guardCollider2D;
    public TextMeshProUGUI sonicCountLabel;
    private int sonicCount = 10;

    void Start()
    {
        rb2d = GetComponent<Rigidbody2D>();
        animator = GetComponent<Animator>();
        spriteRenderer = GetComponent<SpriteRenderer>();
        guardCollider2D.enabled = false;
        sonicCountLabel.text = "" + sonicCount;
    }

    void Update()
    {
        if (isGard == false)
        {
            moveH = Input.GetAxisRaw("Horizontal");
            rb2d.velocity = new Vector2(moveH * speed, rb2d.velocity.y);
            animator.SetFloat("Speed", moveH);
        }

        if (moveH > 0.5f)
        {
            spriteRenderer.flipX = false;
        }
        else if (moveH < -0.5f)
        {
            spriteRenderer.flipX = true;
        }

        if (Input.GetKeyDown(KeyCode.Space) && IsGrounded())
        {
            rb2d.velocity = Vector2.up * jumpSpeed;
            AudioSource.PlayClipAtPoint(jumpSound, Camera.main.transform.position);

            animator.SetTrigger("Jump");
        }

        else if (Input.GetKeyDown(KeyCode.Z))
        {
            if (moveH != 0)
            {
                return;
            }

            animator.SetTrigger("Attack1");
        }

        else if (Input.GetKeyDown(KeyCode.X) && sonicCount > 0)
        {
            if (moveH != 0)
            {
                return;
            }

            sonicCount -= 1;
            sonicCountLabel.text = "" + sonicCount;

            animator.SetTrigger("Attack2");
        }

        if (Input.GetKeyDown(KeyCode.C))
        {
            if (moveH != 0)
            {
                return;
            }

            animator.SetBool("Guard", true);
            isGard = true;

            guardCollider2D.enabled = true;
        }
        else if (Input.GetKeyUp(KeyCode.C))
        {
            animator.SetBool("Guard", false);
            isGard = false;

            guardCollider2D.enabled = false;
        }
    }

    private bool IsGrounded()
    {
        // ★改良（接地判定）
        // BoxCastの活用
        RaycastHit2D hit2d = Physics2D.BoxCast(transform.position, new Vector2(1f, 1f), 0f, Vector2.down, 0.1f, floor);
        return hit2d.collider != null;

        //RaycastHit2D hit2d = Physics2D.Raycast(transform.position, Vector2.down, 0.6f, floor);
        //return hit2d.collider != null;
    }

    public void AddSonicCount(int amount)
    {
        sonicCount += amount;
        sonicCountLabel.text = "" + sonicCount;
    }
}