import 'dart:convert';

import 'package:flutter_test/flutter_test.dart';
import 'package:jinzhi_flutter_app/features/mall/application/mall_tab_config.dart';
import 'package:jinzhi_flutter_app/models/pb/jinzhi/v1/ads.pb.dart' as pb;

void main() {
  test('builds the resident mall URL with Jinzhi attribution and theme', () {
    const config = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com/home?campaign=gold',
      adId: 'ad-1',
      trackingId: 'tracking-1',
    );

    final uri = config.attributedUri(clickId: 'click-1', isDark: true)!;

    expect(uri.queryParameters['campaign'], 'gold');
    expect(uri.queryParameters['source_app'], 'jinzhi');
    expect(uri.queryParameters['source_entry'], 'mall_tab');
    expect(uri.queryParameters['ad_id'], 'ad-1');
    expect(uri.queryParameters['tracking_id'], 'tracking-1');
    expect(uri.queryParameters['click_id'], 'click-1');
    expect(uri.queryParameters['isNight'], '1');
  });

  test('retains server open-mode metadata', () {
    const resident = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com',
    );
    const nativeApp = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com',
      openMode: 'native_app',
    );
    const external = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com',
      openMode: 'external',
    );

    expect(resident.opensInApp, isTrue);
    expect(nativeApp.opensInApp, isFalse);
    expect(external.opensInApp, isFalse);
  });

  test('adds retail quote context to the mall URL for H5', () {
    const config = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com/home',
    );

    final uri = config.attributedUri(
      clickId: 'quote-click',
      entry: MallEntryRequest.quoteRetailGold,
    )!;

    expect(uri.queryParameters['source_entry'], 'market_quote');
    expect(uri.queryParameters['hook_type'], 'quote_cta');
    expect(uri.queryParameters['entry_scene'], 'retail');
    expect(uri.queryParameters['entry_metal'], 'au');
    expect(uri.queryParameters['placement'], 'mall_tab');
  });

  test('shows the first-install promo only for a configured mall entry', () {
    const configured = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com',
      entryPromoEnabled: true,
      entryBadgeText: '新人礼',
      entryTipTitle: '新人礼：￥360 铂金订购券',
      entryTipBody: '点击这里进商城',
    );
    const disabled = MallTabConfig(
      enabled: true,
      url: 'https://mall.example.com',
      entryPromoEnabled: false,
      entryTipTitle: '新人礼',
    );

    expect(configured.showsEntryBadge, isTrue);
    expect(configured.showsEntryTip, isTrue);
    expect(disabled.showsEntryBadge, isFalse);
    expect(disabled.showsEntryTip, isFalse);
  });

  test('parses the server-provided mall entry promotion fields', () {
    final creative = <int>[
      ..._stringField(9, 'https://mall.example.com'),
      ..._boolField(16, true),
      ..._stringField(17, '新人礼'),
      ..._stringField(18, '新人礼：￥360 铂金订购券'),
      ..._stringField(19, '点击这里进商城'),
    ];
    final config = parseMallTabConfigResponse(<int>[
      ..._boolField(1, true),
      ..._bytesField(2, creative),
    ]);

    expect(config.showsEntryBadge, isTrue);
    expect(config.entryBadgeText, '新人礼');
    expect(config.entryTipTitle, '新人礼：￥360 铂金订购券');
    expect(config.entryTipBody, '点击这里进商城');
  });

  test('parses generated mall promotion and open-mode fields', () {
    final response = pb.GetAdReply(
      enabled: true,
      ad: pb.AdCreative(
        adId: 'ad-1',
        title: '会员商城',
        h5Url: 'https://mall.example.com',
        trackingId: 'tracking-1',
        openMode: pb.AdOpenMode.AD_OPEN_MODE_NATIVE_APP,
        mallPromotion: pb.MallPromotion(quoteCtaEnabled: true),
      ),
    );

    final config = parseMallTabConfigResponse(response.writeToBuffer());

    expect(config.isVisible, isTrue);
    expect(config.openMode, 'native_app');
    expect(config.quoteCtaEnabled, isTrue);
    expect(config.allowedHosts, {'mall.example.com'});
  });
}

List<int> _stringField(int tag, String value) =>
    _bytesField(tag, utf8.encode(value));

List<int> _bytesField(int tag, List<int> value) => <int>[
  ..._varint((tag << 3) | 2),
  ..._varint(value.length),
  ...value,
];

List<int> _boolField(int tag, bool value) => <int>[
  ..._varint(tag << 3),
  value ? 1 : 0,
];

List<int> _varint(int value) {
  final bytes = <int>[];
  while (value > 127) {
    bytes.add((value & 127) | 128);
    value >>= 7;
  }
  bytes.add(value);
  return bytes;
}