import 'dart:io';

import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';

import '../network/NetworkConfig.dart';

const int Environment_Dev = 1;
const int Environment_Pre = 2;
const int Environment_Online = 3;

class Global {
  factory Global() => _getInstance();

  static Global get instance => _getInstance();
  static Global? _instance;

  Global._internal() {
    // 初始化
  }

  static Global _getInstance() {
    if (_instance == null) {
      _instance = new Global._internal();
    }
    return _instance!;
  }

  static const method = MethodChannel('samples.flutter.dev/battery');

  static bool get isRelease => bool.fromEnvironment("dart.vm.product");
  static String? flatform_name;

  static Future initialize() async {
    if (!NetworkConfig.isTest) {
      NetworkConfig.BASE_URLS = NetworkConfig.BASE_URLS_AI;
    }

    if (Platform.isIOS) {
      //ios相关代码
      flatform_name = 'iOS';
    } else if (Platform.isAndroid) {
      //android相关代码
      flatform_name = 'Android';
    }
    WidgetsFlutterBinding.ensureInitialized(); //不加这个强制横/竖屏会报错
    SystemChrome.setPreferredOrientations([
      // 强制竖屏
      DeviceOrientation.portraitUp,
      DeviceOrientation.portraitDown
    ]);
    Global a = Global.instance;
  }
}