using UnityEngine;

public enum GameObstaclesType
{
    BOX,
    HIGHT_BOX,
    SLOW_FLOOR,
    SPIKES_FLOOR,
    LASER,
}

public class GameObstacles : MonoBehaviour
{
    [SerializeField] GameObstaclesType m_type = GameObstaclesType.BOX;

    [SerializeField] float m_slowMult = 1f;
    [SerializeField] int m_spikesDamage = 0;
    [SerializeField] int m_laserDamage = 0;
    [SerializeField] float m_timeToDamage = 1f;

    GameObject m_activeLaserPart = null;

    [SerializeField] float m_leftLaserPos = -2.12f;
    [SerializeField] float m_rightLaserPos = 2.3f;
    [SerializeField] float m_laserMoveSpeed = 3f;

    bool m_moveLaserRight = false;
    bool m_moveLaserLeft = false;

    //-----------------------------------------------------------------------------------------
    public GameObstaclesType Type
    {
        get { return m_type; }
    }

    //-----------------------------------------------------------------------------------------
    public float SlowMult
    {
        get { return m_slowMult; }
    }

    //-----------------------------------------------------------------------------------------
    public float TimeToDamage
    {
        get { return m_timeToDamage; }
    }

    //-----------------------------------------------------------------------------------------
    public int SpikesDamage
    {
        get { return m_spikesDamage; }
    }

    //-----------------------------------------------------------------------------------------
    public int LaserDamage
    {
        get { return m_laserDamage; }
    }

    //-----------------------------------------------------------------------------------------
    void Start ()
    {
        InitLaserParts();
	}

    //-----------------------------------------------------------------------------------------
    void InitLaserParts()
    {
        if (m_type != GameObstaclesType.LASER)
            return;

        Transform activePartTrans = transform.Find("active_laser_part");
        if (activePartTrans)
        {
            m_activeLaserPart = activePartTrans.gameObject;
            m_moveLaserRight = true;

            Vector3 scale = m_activeLaserPart.transform.localScale;
            scale.x = -scale.x;
            m_activeLaserPart.transform.localScale = scale;

            m_laserMoveSpeed += Random.Range(0.5f, 2);
        }
        else
            CommonFunctions.myassert(false);
    }

    //-----------------------------------------------------------------------------------------
    void Update ()
    {
        if (m_type == GameObstaclesType.LASER)
            UpdateActiveLaserPartMove();
	}

    //-----------------------------------------------------------------------------------------
    void UpdateActiveLaserPartMove()
    {
        if (m_moveLaserRight)
        {
            Vector3 pos = m_activeLaserPart.transform.localPosition;
            pos.x += m_laserMoveSpeed * Time.deltaTime;
            m_activeLaserPart.transform.localPosition = pos;

            if (pos.x >= m_rightLaserPos)
            {
                pos.x = m_rightLaserPos;
                m_activeLaserPart.transform.localPosition = pos;
                Vector3 scale = m_activeLaserPart.transform.localScale;
                scale.x = -scale.x;
                m_activeLaserPart.transform.localScale = scale;

                m_moveLaserRight = false;
                m_moveLaserLeft = true;
            }
        }
        else if (m_moveLaserLeft)
        {
            Vector3 pos = m_activeLaserPart.transform.localPosition;
            pos.x -= m_laserMoveSpeed * Time.deltaTime;
            m_activeLaserPart.transform.localPosition = pos;

            if (pos.x <= m_leftLaserPos)
            {
                pos.x = m_leftLaserPos;
                m_activeLaserPart.transform.localPosition = pos;
                Vector3 scale = m_activeLaserPart.transform.localScale;
                scale.x = -scale.x;
                m_activeLaserPart.transform.localScale = scale;

                m_moveLaserRight = true;
                m_moveLaserLeft = false;
            }
        }
    }
}