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

public class MineSweeperEditor : EditorWindow {

    public int MineCount = 10;

    Board board;



    // Add menu named "My Window" to the Window menu
    [MenuItem("Addon/Mine Sweeper")]
    static void Init()
    {
        // Get existing open window or if none, make a new one:
        MineSweeperEditor window = (MineSweeperEditor)EditorWindow.GetWindow(typeof(MineSweeperEditor));
        window.Show();
    }

    private void Awake()
    {
        board = new Board(new Vector2Int(10, 10));
    }

    void OnGUI()
    {
        HeaderGUI();
        board.OnGUI();
        board.OnClick();
    }

    private void Update()
    {
        Repaint();
    }

    private void HeaderGUI()
    {
        GUIStyle style = GUI.skin.label;
        
        style.normal.textColor = Color.red;
        style.normal.background = MineSweeperConstants.CELL_CLICKED;

        GUILayout.BeginHorizontal();
        GUILayout.Label("000", style);
        
        GUILayout.FlexibleSpace();
        GUILayout.EndHorizontal();

    }


    public static Color getColor(int count){

        switch (count) {
            case 0:
                return new Color(0.75f, 0.75f, 0.75f);
            case 1:
                return Color.blue;
            case 2:
                return Color.green;
            case 3:
                return Color.red;
            case 4:
                return new Color(0, 0, 0.54f);
            case 5:
                return new Color(0.64f, 0.16f, 0.16f);
            case 6:
                return Color.cyan;
            case 7:
                return Color.grey;
            case 8:
                return Color.black;
            default:
                return Color.black;
        }
    }

}

public class Cell {

    public bool isOpen = false;
    public bool containsMine = false;
    public int adjacentMines = 0;

    public Board board;
    private Rect rect;

    Vector2Int coords;
    public bool isMarked = false;


    public Cell(Board board, Vector2Int coords)
    {
        this.board = board;
        this.coords = coords;

        rect = new Rect(coords.x * MineSweeperConstants.CELL_SIZE + 1, coords.y * MineSweeperConstants.CELL_SIZE + 1, MineSweeperConstants.CELL_SIZE, MineSweeperConstants.CELL_SIZE);
    }

    public void DrawCell()
    {
        if (!isOpen) {
            if (isMarked)
                GUI.Label(rect, "!",MineSweeperConstants.STYLE_CELL_BUTTON);
            else
            {
                GUI.Label(rect, "", MineSweeperConstants.STYLE_CELL_BUTTON);
            }

        } else {
            if (containsMine)
                GUI.Label(rect, "X",MineSweeperConstants.STYLE_CELL_CLICKED);
            else {
                MineSweeperConstants.STYLE_CELL_CLICKED.normal.textColor = MineSweeperEditor.getColor(adjacentMines);
                GUI.Label(rect,adjacentMines.ToString(), MineSweeperConstants.STYLE_CELL_CLICKED);
                MineSweeperConstants.STYLE_CELL_CLICKED.normal.textColor = Color.black;
            }
        }
    }

    public void OnClick(int button, Vector2 mousePos)
    {
        if (rect.Contains(mousePos)) {
            if (button == 0)
                DoLeftClick();
            else if (button == 1)
                DoRightClick();
        }
    }

    private void DoLeftClick()
    {
        if (isOpen)
            return;

        isOpen = true;

        Cell[] adjacentCells = board.AdjacentCells(coords);

        foreach (Cell cell in adjacentCells) {
            if (cell.containsMine)
                adjacentMines++;
        }

        if (adjacentMines == 0 && !containsMine)
            foreach (Cell cell in adjacentCells)
                if (!cell.isOpen)
                    cell.DoLeftClick();

    }

    private void DoRightClick()
    {
        isMarked = !isMarked;
    }
}