parameters.dart

import 'package:flutter/material.dart';

import 'package:calculus/provider/data.dart';
import 'package:calculus/utils/game_utils.dart';

class Parameters {
  static Widget buildParametersSelector(Data myProvider) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.start,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        const SizedBox(height: 5),
        Expanded(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Parameters.buildParameterSelector(myProvider, 'level'),
              const SizedBox(height: 5),
              Parameters.buildParameterSelector(myProvider, 'skin'),
              const SizedBox(height: 5),
            ],
          ),
        ),
        const SizedBox(height: 5),
        Container(
          child: Parameters.buildStartGameButton(myProvider),
        ),
      ],
    );
  }

  static Widget buildStartGameButton(Data myProvider) {
    Column decorationImage = const Column(children: [
      Image(
        image: AssetImage('assets/icons/game_win.png'),
        fit: BoxFit.fill,
      ),
    ]);

    return Container(
      margin: const EdgeInsets.all(2),
      padding: const EdgeInsets.all(2),
      child: Table(
        defaultColumnWidth: const IntrinsicColumnWidth(),
        children: [
          TableRow(
            children: [
              decorationImage,
              Column(children: [
                TextButton(
                  child: const Image(
                    image: AssetImage('assets/icons/button_start.png'),
                    fit: BoxFit.fill,
                  ),
                  onPressed: () => GameUtils.startGame(myProvider),
                ),
              ]),
              decorationImage,
            ],
          ),
        ],
      ),
    );
  }

  static Widget buildParameterSelector(Data myProvider, String parameterCode) {
    List availableValues = myProvider.getParameterAvailableValues(parameterCode);

    if (availableValues.length == 1) {
      return const SizedBox(height: 1);
    }

    return Table(
      defaultColumnWidth: const IntrinsicColumnWidth(),
      children: [
        TableRow(
          children: [
            for (var index = 0; index < availableValues.length; index++)
              Column(children: [
                _buildParameterButton(myProvider, parameterCode, availableValues[index])
              ]),
          ],
        ),
      ],
    );
  }

  static TextButton _buildParameterButton(
    Data myProvider,
    String parameterCode,
    String parameterValue,
  ) {
    String currentValue = myProvider.getParameterValue(parameterCode).toString();

    bool isActive = (parameterValue == currentValue);
    String imageAsset = 'assets/icons/${parameterCode}_$parameterValue.png';

    return TextButton(
      child: Container(
        padding: const EdgeInsets.all(2),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(10),
          border: Border.all(
            color: isActive ? Colors.blue : Colors.white,
            width: 10,
          ),
        ),
        child: Image(
          image: AssetImage(imageAsset),
          fit: BoxFit.fill,
        ),
      ),
      onPressed: () => myProvider.setParameterValue(parameterCode, parameterValue),
    );
  }
}