import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:paperless_mobile/core/bloc/paperless_server_information_cubit.dart';
import 'package:paperless_mobile/core/model/error_message.dart';
import 'package:paperless_mobile/core/model/paperless_server_information.dart';
import 'package:paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
import 'package:paperless_mobile/di_initializer.dart';
import 'package:paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
import 'package:paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
import 'package:paperless_mobile/features/documents/bloc/documents_cubit.dart';
import 'package:paperless_mobile/features/settings/view/settings_page.dart';
import 'package:paperless_mobile/features/login/bloc/authentication_cubit.dart';
import 'package:paperless_mobile/features/scan/bloc/document_scanner_cubit.dart';
import 'package:paperless_mobile/features/labels/tags/bloc/tags_cubit.dart';
import 'package:paperless_mobile/generated/l10n.dart';
import 'package:paperless_mobile/util.dart';
import 'package:url_launcher/link.dart';
import 'package:url_launcher/url_launcher_string.dart';
import 'package:paperless_mobile/extensions/flutter_extensions.dart';

class InfoDrawer extends StatelessWidget {
  const InfoDrawer({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return Drawer(
      child: ListView(
        children: [
          DrawerHeader(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Row(
                  children: [
                    Image.asset(
                      "assets/logos/paperless_logo_white.png",
                      height: 32,
                      width: 32,
                      color: Theme.of(context).colorScheme.onPrimaryContainer,
                    ).padded(const EdgeInsets.only(right: 8.0)),
                    Text(
                      S.of(context).appTitleText,
                      style: Theme.of(context).textTheme.headline5!.copyWith(
                            color: Theme.of(context)
                                .colorScheme
                                .onPrimaryContainer,
                          ),
                    ),
                  ],
                ),
                Align(
                  alignment: Alignment.bottomRight,
                  child: BlocBuilder<PaperlessServerInformationCubit,
                      PaperlessServerInformation>(
                    builder: (context, state) {
                      return Column(
                        crossAxisAlignment: CrossAxisAlignment.end,
                        children: [
                          ListTile(
                            contentPadding: EdgeInsets.zero,
                            dense: true,
                            title: Text(
                              'example.paperless.myinstance.com.de',
                              overflow: TextOverflow.ellipsis,
                              textAlign: TextAlign.end,
                              maxLines: 1,
                            ),
                            isThreeLine: true,
                            subtitle: Column(
                              crossAxisAlignment: CrossAxisAlignment.end,
                              children: [
                                Text(
                                  'Logged in as anton',
                                  textAlign: TextAlign.end,
                                ),
                                Text(
                                  '${S.of(context).serverInformationPaperlessVersionText} ${state.version} (API v${state.apiVersion})',
                                  style: Theme.of(context).textTheme.caption,
                                ),
                              ],
                            ),
                          ),
                        ],
                      );
                    },
                  ),
                ),
              ],
            ),
            decoration: BoxDecoration(
              color: Theme.of(context).colorScheme.primaryContainer,
            ),
          ),
          ListTile(
            leading: const Icon(Icons.settings),
            title: Text(
              S.of(context).appDrawerSettingsLabel,
            ),
            onTap: () => Navigator.of(context).push(
              MaterialPageRoute(
                builder: (context) => BlocProvider.value(
                  value: getIt<ApplicationSettingsCubit>(),
                  child: const SettingsPage(),
                ),
              ),
            ),
          ),
          const Divider(),
          ListTile(
            leading: const Icon(Icons.bug_report),
            title: Text(S.of(context).appDrawerReportBugLabel),
            onTap: () {
              launchUrlString(
                  "https://github.com/astubenbord/paperless-mobile/issues/new");
            },
          ),
          const Divider(),
          AboutListTile(
            icon: const Icon(Icons.info),
            applicationIcon: const ImageIcon(
                AssetImage("assets/logos/paperless_logo_green.png")),
            applicationName: "Paperless Mobile",
            applicationVersion:
                kPackageInfo.version + "+" + kPackageInfo.buildNumber,
            aboutBoxChildren: [
              Text(
                  '${S.of(context).aboutDialogDevelopedByText} Anton Stubenbord'),
              Link(
                uri: Uri.parse(
                    "https://github.com/astubenbord/paperless-mobile"),
                builder: (context, followLink) => GestureDetector(
                  onTap: followLink,
                  child: Text(
                    "https://github.com/astubenbord/paperless-mobile",
                    style: TextStyle(
                        color: Theme.of(context).colorScheme.tertiary),
                  ),
                ),
              ),
              const SizedBox(height: 16),
              Text(
                "Credits",
                style: Theme.of(context).textTheme.titleMedium,
              ),
              _buildOnboardingImageCredits(),
            ],
            child: Text(S.of(context).appDrawerAboutLabel),
          ),
          const Divider(),
          ListTile(
            leading: const Icon(Icons.logout),
            title: Text(S.of(context).appDrawerLogoutLabel),
            onTap: () {
              try {
                BlocProvider.of<AuthenticationCubit>(context).logout();
                getIt<DocumentsCubit>().reset();
                getIt<CorrespondentCubit>().reset();
                getIt<DocumentTypeCubit>().reset();
                getIt<TagCubit>().reset();
                getIt<DocumentScannerCubit>().reset();
              } on ErrorMessage catch (error, stackTrace) {
                showError(context, error, stackTrace);
              }
            },
          ),
          const Divider(),
        ],
      ),
    );
  }

  Link _buildOnboardingImageCredits() {
    return Link(
      uri: Uri.parse(
          "https://www.freepik.com/free-vector/business-team-working-cogwheel-mechanism-together_8270974.htm#query=setting&position=4&from_view=author"),
      builder: (context, followLink) => Wrap(
        children: [
          const Text("Onboarding images by "),
          GestureDetector(
            onTap: followLink,
            child: Text(
              "pch.vector",
              style: TextStyle(color: Theme.of(context).colorScheme.tertiary),
            ),
          ),
          const Text(" on Freepik.")
        ],
      ),
    );
  }
}