using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting.Antlr3.Runtime;
using UnityEngine;

public class MainGame : MonoBehaviour
{
    // Start is called before the first frame update
    public string map =
        ".....\n"+
        "..XF.\n"+
        "..XX.\n"+
        "S....\n"+
        "4 5";
    int rows, cols;
    string[] table;

    bool isCorrectPlace(int[] place) {
        if (place[0] < 0) { return false; }
        if (place[1] < 0) { return false; }
        if (place[0] >= rows) { return false; }
        if (place[1] >= cols) { return false; }
        return table[place[0]][place[1]] == '.';
    }
    List<int[]> freeMoves(int row, int col) {
        List<int[]> answers = new List<int[]>();
        answers.Add(new int[] { row - 1, col });
        answers.Add(new int[] { row + 1, col });
        answers.Add(new int[] { row, col -1 });
        answers.Add(new int[] { row, col +1 });
        List<int[]> answers2 = new List<int[]>();
        foreach (int[] answer in answers)
        {
            if (isCorrectPlace(answer)) { 
               answers2.Add(answer);
            }
        }
        return answers2;
    }
    void Start()
    {
        table=map.Split(new char[] { '\n' });
        string lastline = table[table.Length-1];
        string[] numbers=lastline.Split(new char[] { ' ' });
        rows = int.Parse(numbers[0]);
        cols = int.Parse(numbers[1]);
        int startrow=0, startcolumn=0, finishrow=0, finishcolumn = 0;
        GameObject[,] objects=new GameObject[rows, cols];
        for (int rownr = 0; rownr < rows; rownr++) {
            for (int colnr = 0; colnr < cols; colnr++)
            {
                GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
                cube.transform.localScale = Vector3.one * 0.5f;
                cube.transform.position = new Vector3(colnr, -rownr, 0);
                objects[rownr, colnr] = cube;
                if (table[rownr][colnr] == '.')
                {
                    cube.transform.localScale = Vector3.one * 0.3f;
                }
                if (table[rownr][colnr] == 'S')
                {
                    cube.GetComponent<Renderer>().material.color = Color.green;
                    startrow = rownr; startcolumn = colnr; 
                }
                if (table[rownr][colnr] == 'F')
                {
                    cube.GetComponent<Renderer>().material.color = Color.red;
                    finishrow = rownr; finishcolumn = colnr;
                }

                //Make Start and Finish different color
            }
        }
        foreach (int[] move in freeMoves(startrow, startcolumn)) {
            objects[move[0], move[1]].GetComponent<Renderer>().material.color = Color.yellow;
        }
       // objects[0, 1].GetComponent<Renderer>().material.color = Color.yellow;
        //Make all cubes horizontally or vertically connected to start yellow
    }

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