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

public class HeroMove : MonoBehaviour
{

    Rigidbody2D rb;

    public GameObject SpentObj;
    public GameObject GreenDoorObj;
    public GameObject GreenKeyObj;
    public GameObject BlueDoorObj;
    public GameObject BlueKeyObj;
    public GameObject EmptyObj;
    public GameObject HeroObj;

    int CurY;
    int CurX;
    int[,] LevelInfo;
    public int Color;
    public int KeyX = 100, KeyY = 100;
    public int DoorX = 100, DoorY = 100;
    public int DoorColor;

    // Use this for initialization
    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        LevelInfo = Camera.main.GetComponent<LevelMatrix>().Level;
        CurX = Camera.main.GetComponent<LevelMatrix>().HeroX;
        CurY = Camera.main.GetComponent<LevelMatrix>().HeroY;
        rb.GetComponent<SpriteRenderer>().sprite = HeroObj.GetComponent<SpriteRenderer>().sprite;
    }

    // Update is called once per frame
    void Update()
    {
        //gameObject.getComponent<SpriteRenderer>().sprite = ..

        //Movement, Door/Key checks and delete if necessery
        if (KeyCheck(CurX, CurY) != -1)
        {
            Color = KeyCheck(CurX, CurY);
            if (Color == 2)
            {
                rb.GetComponent<SpriteRenderer>().sprite = GreenKeyObj.GetComponent<SpriteRenderer>().sprite;
                //Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
            }
            if (Color == 3)
            {
                rb.GetComponent<SpriteRenderer>().sprite = BlueKeyObj.GetComponent<SpriteRenderer>().sprite;
                //    Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
            }
        }

        if (Input.GetKeyDown(KeyCode.D) || Input.GetKeyDown(KeyCode.RightArrow))
        {
            if (check(CurX + 1, CurY))
            {
                if (DoorCheck(CurX + 1, CurY) != -1)
                {
                    DoorColor = DoorCheck(CurX + 1, CurY);
                }
                if (KeyCheck(CurX + 1, CurY) != -1)
                {
                    Color = KeyCheck(CurX + 1, CurY);
                    if (Color == 2)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = GreenKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                    if (Color == 3)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = BlueKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //    Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                }
                if (DoorColor == Color)
                {
                    Instantiate(EmptyObj, new Vector3(0.32f * DoorX - 3.3f, 0.32f * DoorY - 2.2f, 0f), Quaternion.identity);
                    LevelInfo[DoorY, DoorX] = 0;
                }
                Instantiate(SpentObj, new Vector3(0.32f * CurX - 3.3f, 0.32f * CurY - 2.2f, 0f), Quaternion.identity);
                LevelInfo[CurY, CurX] = 1;
                rb.transform.Translate(0.32f, 0, 0);
                CurX++;
            }
        }
        if (Input.GetKeyDown(KeyCode.W) || Input.GetKeyDown(KeyCode.UpArrow))
        {
            if (check(CurX, CurY + 1))
            {
                if (DoorCheck(CurX, CurY + 1) != -1)
                {
                    DoorColor = DoorCheck(CurX, CurY + 1);
                }
                if (KeyCheck(CurX, CurY + 1) != -1)
                {
                    Color = KeyCheck(CurX, CurY + 1);
                    if (Color == 2)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = GreenKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                    if (Color == 3)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = BlueKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //    Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                }
                if (DoorColor == Color)
                {
                    Instantiate(EmptyObj, new Vector3(0.32f * DoorX - 3.3f, 0.32f * DoorY - 2.2f, 0f), Quaternion.identity);
                    LevelInfo[DoorY, DoorX] = 0;
                }
                Instantiate(SpentObj, new Vector3(0.32f * CurX - 3.3f, 0.32f * CurY - 2.2f, 0f), Quaternion.identity);
                LevelInfo[CurY, CurX] = 1;
                rb.transform.Translate(0, 0.32f, 0);
                CurY++;
            }
        }
        if (Input.GetKeyDown(KeyCode.A) || Input.GetKeyDown(KeyCode.LeftArrow))
        {
            if (check(CurX - 1, CurY))
            {
                if (DoorCheck(CurX - 1, CurY) != -1)
                {
                    DoorColor = DoorCheck(CurX - 1, CurY);
                }
                if (KeyCheck(CurX - 1, CurY) != -1)
                {
                    Color = KeyCheck(CurX - 1, CurY);
                    if (Color == 2)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = GreenKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                    if (Color == 3)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = BlueKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //    Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                }
                if (DoorColor == Color)
                {
                    Instantiate(EmptyObj, new Vector3(0.32f * DoorX - 3.3f, 0.32f * DoorY - 2.2f, 0f), Quaternion.identity);
                    LevelInfo[DoorY, DoorX] = 0;
                }
                Instantiate(SpentObj, new Vector3(0.32f * CurX - 3.3f, 0.32f * CurY - 2.2f, 0f), Quaternion.identity);
                LevelInfo[CurY, CurX] = 1;
                rb.transform.Translate(-0.32f, 0, 0);
                CurX--;
            }
        }
        if (Input.GetKeyDown(KeyCode.S) || Input.GetKeyDown(KeyCode.DownArrow))
        {
            if (check(CurX, CurY - 1))
            {
                if (DoorCheck(CurX, CurY - 1) != -1)
                {
                    DoorColor = DoorCheck(CurX, CurY - 1);
                }
                if (KeyCheck(CurX, CurY - 1) != -1)
                {
                    Color = KeyCheck(CurX, CurY - 1);
                    if (Color == 2)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = GreenKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                    if (Color == 3)
                    {
                        rb.GetComponent<SpriteRenderer>().sprite = BlueKeyObj.GetComponent<SpriteRenderer>().sprite;
                        //    Instantiate(EmptyObj, new Vector3(0.32f * KeyX - 3.3f, 0.32f * KeyY - 2.2f, 0f), Quaternion.identity);
                    }
                }
                if (DoorColor == Color)
                {
                    Instantiate(EmptyObj, new Vector3(0.32f * DoorX - 3.3f, 0.32f * DoorY - 2.2f, 0f), Quaternion.identity);
                    LevelInfo[DoorY, DoorX] = 0;
                }
                Instantiate(SpentObj, new Vector3(0.32f * CurX - 3.3f, 0.32f * CurY - 2.2f, 0f), Quaternion.identity);
                LevelInfo[CurY, CurX] = 1;
                rb.transform.Translate(0, -0.32f, 0);
                CurY--;
            }
        }
        //Restart
        if (Input.GetKeyDown(KeyCode.R))
        {
            Application.LoadLevel("Level");
        }

    }

    void FixedUpdate()
    {
        //rb.velocity = new Vector2(Input.GetAxis("Horizontal") * 10f, rb.velocity.y);
    }

    int DoorCheck(int i, int j)
    {
        if (LevelInfo[j, i - 1] == 2)
        {
            DoorY = j;
            DoorX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j, i + 1] == 2)
        {
            DoorY = j;
            DoorX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i] == 2)
        {
            DoorY = j - 1;
            DoorX = i;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i] == 2)
        {
            DoorY = j + 1;
            DoorX = i;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i - 1] == 2)
        {
            DoorY = j - 1;
            DoorX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i + 1] == 2)
        {
            DoorY = j + 1;
            DoorX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i + 1] == 2)
        {
            DoorY = j - 1;
            DoorX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i - 1] == 2)
        {
            DoorY = j + 1;
            DoorX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j, i - 1] == 3)
        {
            DoorY = j;
            DoorX = i - 1;
            return 3;
        }
        else
        if (LevelInfo[j, i + 1] == 3)
        {
            DoorY = j;
            DoorX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i] == 3)
        {
            DoorY = j - 1;
            DoorX = i;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i] == 3)
        {
            DoorY = j + 1;
            DoorX = i;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i - 1] == 3)
        {
            DoorY = j - 1;
            DoorX = i - 1;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i + 1] == 3)
        {
            DoorY = j + 1;
            DoorX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i + 1] == 3)
        {
            DoorY = j - 1;
            DoorX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i - 1] == 3)
        {
            DoorY = j + 1;
            DoorX = i - 1;
            return 3;
        }
        if (LevelInfo[j + 1, i] == 4)
        {
            DoorY = j + 1;
            DoorX = i;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i] == 4)
        {
            DoorY = j - 1;
            DoorX = i;
            return 4;
        }
        else
        if (LevelInfo[j, i - 1] == 4)
        {
            DoorY = j;
            DoorX = i - 1;
            return 4;
        }
        else
        if (LevelInfo[j, i + 1] == 4)
        {
            DoorY = j;
            DoorX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i - 1] == 4)
        {
            DoorY = j - 1;
            DoorX = i - 1;
            return 4;
        }
        else
        if (LevelInfo[j + 1, i + 1] == 4)
        {
            DoorY = j + 1;
            DoorX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i + 1] == 4)
        {
            DoorY = j - 1;
            DoorX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j + 1, i - 1] == 4)
        {
            DoorY = j + 1;
            DoorX = i - 1;
            return 4;
        }
        else
        {
            return -1;
        }
    }

    int KeyCheck(int i, int j)
    {
        if (LevelInfo[j, i - 1] == -2)
        {
            KeyY = j;
            KeyX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j, i + 1] == -2)
        {
            KeyY = j;
            KeyX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i] == -2)
        {
            KeyY = j - 1;
            KeyX = i;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i] == -2)
        {
            KeyY = j + 1;
            KeyX = i;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i - 1] == -2)
        {
            KeyY = j - 1;
            KeyX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i + 1] == -2)
        {
            KeyY = j + 1;
            KeyX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j - 1, i + 1] == -2)
        {
            KeyY = j - 1;
            KeyX = i + 1;
            return 2;
        }
        else
        if (LevelInfo[j + 1, i - 1] == -2)
        {
            KeyY = j + 1;
            KeyX = i - 1;
            return 2;
        }
        else
        if (LevelInfo[j, i - 1] == -3)
        {
            KeyY = j;
            KeyX = i - 1;
            return 3;
        }
        else
        if (LevelInfo[j, i + 1] == -3)
        {
            KeyY = j;
            KeyX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i] == -3)
        {
            KeyY = j - 1;
            KeyX = i;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i] == -3)
        {
            KeyY = j + 1;
            KeyX = i;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i - 1] == -3)
        {
            KeyY = j - 1;
            KeyX = i - 1;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i + 1] == -3)
        {
            KeyY = j + 1;
            KeyX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j - 1, i + 1] == -3)
        {
            KeyY = j - 1;
            KeyX = i + 1;
            return 3;
        }
        else
        if (LevelInfo[j + 1, i - 1] == -3)
        {
            KeyY = j + 1;
            KeyX = i - 1;
            return 3;
        }
        if (LevelInfo[j + 1, i] == -4)
        {
            KeyY = j + 1;
            KeyX = i;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i] == -4)
        {
            KeyY = j - 1;
            KeyX = i;
            return 4;
        }
        else
        if (LevelInfo[j, i - 1] == -4)
        {
            KeyY = j;
            KeyX = i - 1;
            return 4;
        }
        else
        if (LevelInfo[j, i + 1] == -4)
        {
            KeyY = j;
            KeyX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i - 1] == -4)
        {
            KeyY = j - 1;
            KeyX = i - 1;
            return 4;
        }
        else
        if (LevelInfo[j + 1, i + 1] == -4)
        {
            KeyY = j + 1;
            KeyX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j - 1, i + 1] == -4)
        {
            KeyY = j - 1;
            KeyX = i + 1;
            return 4;
        }
        else
        if (LevelInfo[j + 1, i - 1] == -4)
        {
            KeyY = j + 1;
            KeyX = i - 1;
            return 4;
        }
        else
        {
            return -1;
        }
    }

    bool check(int i, int j)
    {
        return (LevelInfo[j, i] != 1 && LevelInfo[j, i] != 2 && LevelInfo[j, i] != 3 && LevelInfo[j, i] != -2 && LevelInfo[j, i] != -3);
    }
}