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

public class Shape : MonoBehaviour {

    public float speed = 1.0f;

    float LastMoveDown = 0;

	// Use this for initialization
	void Start () {

	}

	// Update is called once per frame
	void Update () {

        if (Input.GetKeyDown("a"))
        {
            transform.position += new Vector3(-1, 0, 0);

            Debug.Log(transform.position);


            if (!IsInGrid())
            {
                transform.position += new Vector3(1, 0, 0);
            }
            else
            {
                UpdateGameBoard();
            }
        }

        if (Input.GetKeyDown("d"))
        {
            transform.position += new Vector3(1, 0, 0);

            Debug.Log(transform.position);


            if (!IsInGrid())
            {
                transform.position += new Vector3(-1, 0, 0);
            }
            else
            {
                UpdateGameBoard();
            }

        }

        if (Input.GetKeyDown("s") || Time.time - LastMoveDown >= 1)
        {
            transform.position += new Vector3(0, -1, 0);

            Debug.Log(transform.position);

            if (!IsInGrid())
            {
                transform.position += new Vector3(0, 1, 0);

                enabled = false;

                FindObjectOfType<ShapeSpawner>().SpawnShape();
            }
            else
            {
                UpdateGameBoard();
            }

            LastMoveDown = Time.time;

        }

        if (Input.GetKeyDown("w"))
        {
            transform.Rotate(0, 0, 90);

            Debug.Log(transform.position);

            if (!IsInGrid())
            {
                transform.Rotate(0, 0, -90);
            }
            else
            {
                UpdateGameBoard();
            }

        }

        if (Input.GetKeyDown("e"))
        {
            transform.Rotate(0, 0, -90);

            Debug.Log(transform.position);

            if (!IsInGrid())
            {
                transform.Rotate(0, 0, 90);
            }
            else
            {
                UpdateGameBoard();
            }

        }
    }

    public bool IsInGrid()
    {


        foreach(Transform childBlock in transform)
        {
            Vector2 vect = RoundVector(childBlock.position);
            if (!IsInBorder(vect))
            {
                return false;
            }

            if(GameBoard.gameBoard[(int)vect.x, (int)vect.y] != null &&
               GameBoard.gameBoard[(int)vect.x, (int)vect.y].parent != transform)
            {
                return false;
            }

        }
        return true;
    }

    public Vector2 RoundVector(Vector2 vect)
    {
        return new Vector2(Mathf.Round(vect.x), Mathf.Round(vect.y));
    }

    public static bool IsInBorder(Vector2 pos)
    {
        return ((int)pos.x >= -6.0 &&
            (int)pos.x <= 5.0 &&
            (int)pos.y >= -8.0);
    }

    public void UpdateGameBoard()
    {
        for(int y = 0; y < 17; ++y)
        {
            for(int x = 0; x < 12; ++x)
            {
                if(GameBoard.gameBoard[x,y] != null &&
                    GameBoard.gameBoard[x, y].parent != transform)
                {
                    GameBoard.gameBoard[x, y] = null;
                }
            }
        }


        foreach(Transform childBlock in transform)
        {
            Vector2 vect = RoundVector (childBlock.position);

            GameBoard.gameBoard[(int)vect.x, (int)vect.y] = childBlock;

            Debug.Log("Cube At: " + vect.x + " " + vect.y);





        }

        GameBoard.PrintArray();

    }
}