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

public class Grid2 : MonoBehaviour
{
    public GameObject prefab;
    public GameObject prefab2;
    GameObject addedCell;



    void Start()
    {
        List<Vector3> path = Grid.gridpath; //lista ścieżki
        Debug.Log(prefab.transform.localScale);
        List<Grid> cells = Grid.gridCells; //lista siatki

        for (int i = 0; i < Grid.mapSizeX; i++) //stworzenie listy siatki
        {
            for (int j = 0; j < Grid.mapSizeY; j++)
            {
                Vector3 position = new Vector3(i * prefab.transform.localScale.x, 0f, j * prefab.transform.localScale.y);
                cells.Add(new Grid(position, (GameObject)Instantiate(prefab, position, Quaternion.identity, transform.parent = transform)));
            }
        }



        Vector3 currentpos = cells[0].pos;
        path.Add(currentpos);
        cells[0].visited = true;

        for (int i = 0; i < 150; i++)
        {

            Vector3 temppos = currentpos;
            int index = cells.FindIndex(f => f.pos == currentpos);
            // List<Grid> posMovs = cells.FindAll(f => (f.pos == cells[index].pos + Vector3.forward * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.back * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.left * cells[index].cellPrefab.transform.localScale.x || f.pos == cells[index].pos + Vector3.right * cells[index].cellPrefab.transform.localScale.x) && f.visited == false);
            List<Grid> posMovs = cells.FindAll(f => (f.pos == cells[index].pos + Vector3.forward * 2 * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.back * 2 * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.left * 2 * cells[index].cellPrefab.transform.localScale.x || f.pos == cells[index].pos + Vector3.right * 2 * cells[index].cellPrefab.transform.localScale.x) && f.visited == false);

            if (posMovs.Count == 0)
            {
                do
                {
                    Debug.Log("//////////////////////////////////////");
                    Debug.Log(path.Count);
                    Debug.Log("stuck my currpos: " + currentpos);
                    currentpos = cells[index].myParent;
                    Debug.Log("stuck my currpos(after myparent): " + currentpos);
                    Debug.Log("//////////////////////////////////////");
                    index = cells.FindIndex(f => f.pos == currentpos);
                   // posMovs = cells.FindAll(f => (f.pos == cells[index].pos + Vector3.forward  * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.back  * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.left  * cells[index].cellPrefab.transform.localScale.x || f.pos == cells[index].pos + Vector3.right  * cells[index].cellPrefab.transform.localScale.x) && f.visited == false);
                    posMovs = cells.FindAll(f => (f.pos == cells[index].pos + Vector3.forward * 2 * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.back * 2 * cells[index].cellPrefab.transform.localScale.z || f.pos == cells[index].pos + Vector3.left * 2 * cells[index].cellPrefab.transform.localScale.x || f.pos == cells[index].pos + Vector3.right * 2 * cells[index].cellPrefab.transform.localScale.x) && f.visited == false);

                } while (posMovs.Count == 0);
            }
           /* int k = Random.Range(0, posMovs.Count);
            currentpos = posMovs[k].pos; */
            currentpos = posMovs[Random.Range(0, posMovs.Count)].pos;
            index = cells.FindIndex(f => f.pos == currentpos);
                cells[index].myParent = temppos;
                cells[index].visited = true;
            path.Add(currentpos);

            posMovs.Clear();

         }

        foreach (Vector3 p in path)
        {
            Instantiate(prefab2, p + new Vector3(0, 7f, 0), Quaternion.identity);
        }


    }
        void Update()
    {

    }



}