cell.dart

import 'package:flutter/material.dart';

import '../provider/data.dart';
import '../utils/board_utils.dart';

class Cell {
  bool isMined = false;
  bool isExplored = false;
  bool isMarked = false;
  bool isExploded = false;
  int minesCountAround = 0;

  Cell(
    @required this.isMined,
  );

  Container widget(Data myProvider, int row, int col) {
    bool showSolution = myProvider.gameWin || myProvider.gameFail;

    Color backgroundColor = this.getBackgroundColor(myProvider);
    String imageAsset = this.getImageAssetName(myProvider.skin, showSolution);

    return Container(
      decoration: BoxDecoration(
        color: backgroundColor,
        border: Border.all(
          color: Colors.grey,
          width: 1,
        ),
      ),
      child: GestureDetector(
        child: Image(
          image: AssetImage(imageAsset),
          fit: BoxFit.fill,
        ),
        onTap: () {
          if (!myProvider.isBoardMined) {
            myProvider.updateCells(BoardUtils.createBoard(myProvider, row, col));
            myProvider.updateIsBoardMined(true);
          }

          if (!(myProvider.gameWin || myProvider.gameFail)) {
            if (myProvider.reportMode) {
              BoardUtils.reportCell(myProvider, row, col);
            } else {
              BoardUtils.walkOnCell(myProvider, row, col);
            }
          }
          BoardUtils.checkGameIsFinished(myProvider);
        },
      ),
    );
  }

  String getImageAssetName(String skin, bool showSolution) {
    String imageAsset = 'assets/skins/' + skin + '_tile_unknown.png';

    if (!showSolution) {
      // Running game
      if (this.isExplored) {
        if (this.isMined) {
          // Boom
          imageAsset = 'assets/skins/' + skin + '_tile_mine.png';
        } else {
          // Show mines count around
          imageAsset = 'assets/skins/' + skin + '_tile_' + this.minesCountAround.toString() + '.png';
        }
      } else {
        if (this.isMarked) {
          // Danger!
          imageAsset = 'assets/skins/' + skin + '_tile_flag.png';
        }
      }
    } else {
      // Finished game
      if (this.isMined) {
        if (this.isExploded) {
          // Mine exploded
          imageAsset = 'assets/skins/' + skin + '_tile_mine.png';
        } else {
          // Mine not found
          imageAsset = 'assets/skins/' + skin + '_tile_mine_not_found.png';
        }
      } else {
        // Show all mines counts
        imageAsset = 'assets/skins/' + skin + '_tile_' + this.minesCountAround.toString() + '.png';
      }
    }

    return imageAsset;
  }

  Color getBackgroundColor(Data myProvider) {
    if (myProvider.gameWin) {
      return Colors.green[300];
    } else if (myProvider.gameFail) {
      return Colors.pink[200];
    }

    return Colors.white;
  }
}