import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

/// create by 张风捷特烈 on 2020-04-23
/// contact me by email 1981462002@qq.com
/// 说明:

class ConformDialog extends StatelessWidget {
  final String title;
  final String msg;
  final String conformText;
  final VoidCallback onConform;

  ConformDialog({
    Key? key,
    required this.title,
    required this.msg,
    required this.onConform,
    this.conformText = '删除',
  }) : super(key: key);

  final ButtonStyle conformStyle = ElevatedButton.styleFrom(
    backgroundColor: Colors.redAccent,
    foregroundColor: Colors.white,
    elevation: 0,
    minimumSize: const Size(70, 35),
    padding: EdgeInsets.zero,
    shape: const StadiumBorder(),
  );

  final ButtonStyle cancelStyle = OutlinedButton.styleFrom(
    minimumSize: const Size(70, 35),
    elevation: 0,
    padding: EdgeInsets.zero,
    shape: const StadiumBorder(),
  );

  @override
  Widget build(BuildContext context) {
    return Dialog(
      child: Padding(
        padding: const EdgeInsets.all(20.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            _buildTitle(),
            _buildMessage(),
            _buildButtons(context),
          ],
        ),
      ),
    );
  }

  Widget _buildTitle()=>Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: [
      const Icon(Icons.warning_amber_rounded, color: Colors.orange),
      const SizedBox(
        width: 10,
      ),
      Text(
        title,
        style: const TextStyle(
            fontSize: 16, fontWeight: FontWeight.bold),
      ),
    ],
  );

  Widget _buildMessage()=>Padding(
    padding: const EdgeInsets.only(
      top: 15,
      bottom: 15,
    ),
    child: Text(
      msg,
      style: const TextStyle(fontSize: 14),
    ),
  );

  Widget _buildButtons(BuildContext context) => Row(
        children: [
          const Spacer(),
          OutlinedButton(
              onPressed: Navigator.of(context).pop,
              style: cancelStyle,
              child: const Text(
                '取消',
                style: TextStyle(fontSize: 12, color: Colors.grey),
              )),
          const SizedBox(width: 10),
          ElevatedButton(
            onPressed: onConform,
            style: conformStyle,
            child: Text(conformText),
          ),
        ],
      );
}