// ignore_for_file: unused_catch_stack

import 'package:flutter/material.dart';
import 'package:karing/app/modules/remote_config_manager.dart';

import 'package:karing/app/utils/app_utils.dart';
import 'package:karing/app/utils/assets_utils.dart';
import 'package:karing/i18n/strings.g.dart';
import 'package:karing/screens/group_helper.dart';
import 'package:karing/screens/theme_config.dart';
import 'package:karing/screens/webview_helper.dart';
import 'package:karing/screens/widgets/framework.dart';

class UserAgreementScreen extends LasyRenderingStatefulWidget {
  static RouteSettings routSettings() {
    return const RouteSettings(name: "UserAgreementScreen");
  }

  const UserAgreementScreen({super.key});

  @override
  State<UserAgreementScreen> createState() => _UserAgreementScreenState();
}

class _UserAgreementScreenState
    extends LasyRenderingState<UserAgreementScreen> {
  String _res = "";

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    final tcontext = Translations.of(context);
    Size windowSize = MediaQuery.of(context).size;

    String termOfUse = AppUtils.getTermsOfServiceUrl();
    return PopScope(
      canPop: false,
      child: Scaffold(
        appBar: PreferredSize(preferredSize: Size.zero, child: AppBar()),
        body: SafeArea(
          child: Padding(
            padding: const EdgeInsets.fromLTRB(18, 20, 18, 0),
            child: Column(
              children: [
                const SizedBox(height: 20),
                Expanded(
                  child: Column(
                    children: [
                      Text(
                        tcontext.UserAgreementScreen.privacyFirst,
                        style: const TextStyle(
                          fontSize: ThemeConfig.kFontSizeListItem,
                          fontWeight: ThemeConfig.kFontWeightListItem,
                        ),
                      ),
                      const SizedBox(height: 20),
                      Container(
                        alignment: Alignment.topCenter,
                        height: windowSize.height * 0.68,
                        child: FutureBuilder(
                          future: getData(),
                          builder:
                              (
                                BuildContext context,
                                AsyncSnapshot<String> snapshot,
                              ) {
                                String data = snapshot.hasData
                                    ? snapshot.data!
                                    : "";
                                return Text.rich(TextSpan(text: data));
                              },
                        ),
                      ),
                      SizedBox(
                        height: 45.0,
                        child: ElevatedButton(
                          autofocus: true,
                          child: Text(
                            tcontext.UserAgreementScreen.agreeAndContinue,
                          ),
                          onPressed: () {
                            Navigator.pop(context);
                          },
                        ),
                      ),
                      const SizedBox(height: 20),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          if (termOfUse.isNotEmpty) ...[
                            InkWell(
                              child: Text(
                                tcontext.meta.termOfUse,
                                style: const TextStyle(
                                  color: Colors.blueAccent,
                                ),
                              ),
                              onTap: () async {
                                await WebviewHelper.loadUrl(
                                  context,
                                  AppUtils.getTermsOfServiceUrl(),
                                  "termOfUse",
                                  title: tcontext.meta.termOfUse,
                                  useInappWebViewForPC: true,
                                );
                              },
                            ),
                            const SizedBox(width: 60),
                          ],
                          InkWell(
                            child: Text(
                              tcontext.meta.privacyPolicy,
                              style: const TextStyle(color: Colors.blueAccent),
                            ),
                            onTap: () async {
                              var remoteConfig =
                                  RemoteConfigManager.getConfig();
                              bool ok = await WebviewHelper.loadUrl(
                                context,
                                remoteConfig.privacyPolicy,
                                "privacyPolicy",
                                title: tcontext.meta.privacyPolicy,
                                useInappWebViewForPC: true,
                              );

                              if (!ok) {
                                if (!context.mounted) {
                                  return;
                                }
                                GroupHelper.showPrivacyPolicy(context);
                              }
                            },
                          ),
                        ],
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }

  Future<String> getData() async {
    if (_res.isNotEmpty) {
      return _res;
    }
    final languageCode = WidgetsBinding
        .instance
        .platformDispatcher
        .locale
        .languageCode
        .toLowerCase();
    bool isChinese = languageCode.contains('zh');

    _res = await AssetsUtils.loadUserAgreement(isChinese);
    return _res;
  }
}
