import 'package:eaimar/modules/login/models/login_methods.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  Set<LoginMethod> ios({bool guest = true}) =>
      resolveLoginMethods(isIOS: true, envChannel: 'CHINA_XIAOMI', guestVisible: guest);
  Set<LoginMethod> google({bool guest = true}) => resolveLoginMethods(
      isIOS: false, envChannel: 'GLOBAL_GOOGLE', guestVisible: guest);
  Set<LoginMethod> domestic(String ch, {bool guest = true}) =>
      resolveLoginMethods(isIOS: false, envChannel: ch, guestVisible: guest);

  test('苹果包：只有苹果登录 + 游客', () {
    expect(ios(), {LoginMethod.apple, LoginMethod.guest});
  });

  test('苹果包不受 .env Channel 影响（iOS 不跑 build_channels.sh，值还是国内渠道）', () {
    expect(
      resolveLoginMethods(
          isIOS: true, envChannel: 'GLOBAL_GOOGLE', guestVisible: false),
      {LoginMethod.apple},
    );
  });

  test('安卓国内包：只有微信登录 + 游客', () {
    for (final ch in ['CHINA_XIAOMI', 'CHINA_HUAWEI', 'CHINA_HONOR', 'OFFICIAL']) {
      expect(domestic(ch), {LoginMethod.wechat, LoginMethod.guest},
          reason: 'channel=$ch');
    }
  });

  test('谷歌包：只有邮箱（contact）登录 + 游客，没有微信也没有苹果', () {
    expect(google(), {LoginMethod.contact, LoginMethod.guest});
  });

  test('Channel 认不出时按国内包处理（失败方向：宁可留微信，不要露出邮箱登录）', () {
    expect(domestic(''), {LoginMethod.wechat, LoginMethod.guest});
    expect(domestic('xiaomi'), {LoginMethod.wechat, LoginMethod.guest});
  });

  test('Channel 的大小写与空白不影响判定', () {
    expect(domestic(' global_google ', guest: false), {LoginMethod.contact});
  });

  test('游客开关由服务端给，关掉时每个包各自只剩一个入口', () {
    expect(ios(guest: false), {LoginMethod.apple});
    expect(google(guest: false), {LoginMethod.contact});
    expect(domestic('CHINA_VIVO', guest: false), {LoginMethod.wechat});
  });

  test('任何组合下都至少有一个登录入口，且三种包互不重叠', () {
    for (final m in [ios(), google(), domestic('CHINA_OPPO')]) {
      expect(m.where((e) => e != LoginMethod.guest).length, 1);
    }
  });
}