using System.Collections;
using System.Collections.Generic;
using System.IO.Ports;
using UnityEngine;

public class GerakanRaket : MonoBehaviour
{
    // Variabel untuk Gyro
    SerialPort stream = new SerialPort("COM6", 9600);
    public string strReceived;
    public string[] strData = new string[4];
    public string[] strData_received = new string[4];
    public float qw, qx, qy, qz;

    // Variabel untuk Gerakan Raket
    public Transform aimTarget;
    public float horizontalSpeed = 0.5f;
    public float verticalSpeed = 0.5f;
    public float aimSpeed = 1.0f;
    public AudioClip hitSoundClip;

    private float initialHeight;
    private Vector3 initialPosition;

    private bool ballMoving = false;

    void Start()
    {
        InitializeSerialPort();
        initialHeight = transform.position.y;
        initialPosition = transform.position;
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.R))
        {
            ResetPlayerPosition();
            return; 
        }

        try
        {
            if (stream.IsOpen && stream.BytesToRead > 0)
            {
                strReceived = stream.ReadLine();
                strData = strReceived.Split(',');
                if (strData.Length == 4)
                {
                    ProcessGyroData();
                    if (ballMoving) Move();
                }
            }
        }
        catch (System.Exception ex)
        {
            Debug.LogError("Error reading from serial port: " + ex.Message);
            ReconnectSerialPort(); 
        }
    }

    void ProcessGyroData()
    {
        strData_received[0] = strData[0];
        strData_received[1] = strData[1];
        strData_received[2] = strData[2];
        strData_received[3] = strData[3];

        qw = float.Parse(strData_received[0]);
        qx = float.Parse(strData_received[1]);
        qy = float.Parse(strData_received[2]);
        qz = float.Parse(strData_received[3]);

        transform.rotation = new Quaternion(-qy, -qz, qx, qw);
    }

    void Move()
    {
        MoveHorizontal();
        MoveVertical();
        MoveAimTarget();
    }

    void MoveHorizontal()
    {
        float horizontalMovement = -qx * horizontalSpeed * Time.deltaTime;
        Vector3 newPosition = transform.position;
        newPosition.x += horizontalMovement;
        newPosition.x = Mathf.Clamp(newPosition.x, -3f, 4.6f);
        transform.position = newPosition;
    }

    void MoveVertical()
    {
        float verticalMovement = -qy * verticalSpeed * Time.deltaTime;
        Vector3 newPosition = transform.position;
        newPosition.z += verticalMovement;
        newPosition.z = Mathf.Clamp(newPosition.z, -6.5f, 1.6f);
        transform.position = newPosition;
    }

    void MoveAimTarget()
    {
        float aimHorizontalMovement = qz * aimSpeed * Time.deltaTime;
        Vector3 aimTargetPosition = aimTarget.position;
        aimTargetPosition.x += aimHorizontalMovement;
        aimTarget.position = aimTargetPosition;
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Bola"))
        {
            HandleBallCollision(other);
        }
    }

    void HandleBallCollision(Collider ballCollider)
    {
        ballMoving = true; 
        Vector3 dir = aimTarget.position - ballCollider.transform.position;
        Rigidbody bolaRigidbody = ballCollider.GetComponent<Rigidbody>();

        if (!bolaRigidbody.useGravity)
        {
            bolaRigidbody.useGravity = true;
        }

        float horizontalMovementDirection = -qz;
        if (horizontalMovementDirection > 10)
        {
            bolaRigidbody.velocity = dir.normalized * 7 + new Vector3(1, 5, 1);
        }
        else if (horizontalMovementDirection < -10)
        {
            bolaRigidbody.velocity = dir.normalized * 7 + new Vector3(-1, 5, 1);
        }
        else
        {
            float verticalMovementDirection = -qy;
            if (verticalMovementDirection > 0)
            {
                bolaRigidbody.velocity = dir.normalized * 7 + new Vector3(0, 5, 2);
            }
            else if (verticalMovementDirection < 0)
            {
                bolaRigidbody.velocity = dir.normalized * 7 + new Vector3(0, 7, 0);
            }
            else
            {
                bolaRigidbody.velocity = dir.normalized * 7 + new Vector3(0, 6, 0);
            }
        }

        if (hitSoundClip != null)
        {
            AudioSource.PlayClipAtPoint(hitSoundClip, transform.position);
        }
    }

    public void ResetPlayerPosition()
    {
        Debug.Log("Resetting Player Position");
        transform.position = initialPosition;
        ballMoving = false;
    }

    void OnDestroy()
    {
        if (stream != null && stream.IsOpen)
        {
            stream.Close();
        }
    }

    void InitializeSerialPort()
    {
        try
        {
            stream.Open();
        }
        catch (System.Exception ex)
        {
            Debug.LogError("Error opening serial port: " + ex.Message);
        }
    }

    void ReconnectSerialPort()
    {
        try
        {
            if (stream != null && stream.IsOpen)
            {
                stream.Close();
            }
            stream.Open();
            Debug.Log("Serial port reconnected successfully.");
        }
        catch (System.Exception ex)
        {
            Debug.LogError("Error reconnecting serial port: " + ex.Message);
        }
    }
}