import 'package:go_router/go_router.dart';
import 'package:solian/models/realm.dart';
import 'package:solian/screens/about.dart';
import 'package:solian/screens/account.dart';
import 'package:solian/screens/account/friend.dart';
import 'package:solian/screens/account/personalize.dart';
import 'package:solian/screens/channel/channel_chat.dart';
import 'package:solian/screens/channel/channel_detail.dart';
import 'package:solian/screens/channel/channel_organize.dart';
import 'package:solian/screens/chat.dart';
import 'package:solian/screens/posts/post_detail.dart';
import 'package:solian/screens/realms.dart';
import 'package:solian/screens/realms/realm_detail.dart';
import 'package:solian/screens/realms/realm_organize.dart';
import 'package:solian/screens/realms/realm_view.dart';
import 'package:solian/screens/social.dart';
import 'package:solian/screens/posts/post_publish.dart';
import 'package:solian/shells/basic_shell.dart';
import 'package:solian/shells/nav_shell.dart';
import 'package:solian/shells/title_shell.dart';
import 'package:solian/theme.dart';
import 'package:solian/widgets/sidebar/empty_placeholder.dart';

abstract class AppRouter {
  static GoRouter instance = GoRouter(
    routes: [
      ShellRoute(
        builder: (context, state, child) => NavShell(
          state: state,
          showAppBar: false,
          showSidebar: false,
          child: child,
        ),
        routes: [
          ShellRoute(
            builder: (context, state, child) => BasicShell(
              state: state,
              sidebarFirst: true,
              showAppBar: false,
              sidebar: const SocialScreen(),
              child: child,
            ),
            routes: [
              GoRoute(
                path: '/',
                name: 'social',
                builder: (context, state) =>
                    SolianTheme.isExtraLargeScreen(context)
                        ? const EmptyPagePlaceholder()
                        : const SocialScreen(),
              ),
              GoRoute(
                path: '/posts/view/:alias',
                name: 'postDetail',
                builder: (context, state) => TitleShell(
                  state: state,
                  child: PostDetailScreen(
                    alias: state.pathParameters['alias']!,
                  ),
                ),
              ),
              GoRoute(
                path: '/posts/publish',
                name: 'postPublishing',
                builder: (context, state) {
                  final arguments = state.extra as PostPublishingArguments?;
                  return PostPublishingScreen(
                    edit: arguments?.edit,
                    reply: arguments?.reply,
                    repost: arguments?.repost,
                    realm: arguments?.realm,
                  );
                },
              ),
            ],
          ),
          ShellRoute(
            builder: (context, state, child) => BasicShell(
              state: state,
              sidebarFirst: true,
              showAppBar: false,
              sidebar: const ChatScreen(),
              child: child,
            ),
            routes: [
              GoRoute(
                path: '/chat',
                name: 'chat',
                builder: (context, state) =>
                    SolianTheme.isExtraLargeScreen(context)
                        ? const EmptyPagePlaceholder()
                        : const ChatScreen(),
              ),
              GoRoute(
                path: '/chat/organize',
                name: 'channelOrganizing',
                builder: (context, state) {
                  final arguments = state.extra as ChannelOrganizeArguments?;
                  return ChannelOrganizeScreen(
                    edit: arguments?.edit,
                    realm: arguments?.realm,
                  );
                },
              ),
              GoRoute(
                path: '/chat/:alias',
                name: 'channelChat',
                builder: (context, state) {
                  return ChannelChatScreen(
                    alias: state.pathParameters['alias']!,
                    realm: state.uri.queryParameters['realm'] ?? 'global',
                  );
                },
              ),
              GoRoute(
                path: '/chat/:alias/detail',
                name: 'channelDetail',
                builder: (context, state) {
                  final arguments = state.extra as ChannelDetailArguments;
                  return TitleShell(
                    state: state,
                    child: ChannelDetailScreen(
                      channel: arguments.channel,
                      profile: arguments.profile,
                      realm: state.uri.queryParameters['realm'] ?? 'global',
                    ),
                  );
                },
              ),
            ],
          ),
          ShellRoute(
            builder: (context, state, child) => BasicShell(
              state: state,
              sidebarFirst: true,
              showAppBar: false,
              sidebar: const RealmListScreen(),
              child: child,
            ),
            routes: [
              GoRoute(
                path: '/realms',
                name: 'realms',
                builder: (context, state) =>
                    SolianTheme.isExtraLargeScreen(context)
                        ? const EmptyPagePlaceholder()
                        : const RealmListScreen(),
              ),
              GoRoute(
                path: '/realms/:alias/detail',
                name: 'realmDetail',
                builder: (context, state) => TitleShell(
                  state: state,
                  child: RealmDetailScreen(
                    realm: state.extra as Realm,
                    alias: state.pathParameters['alias']!,
                  ),
                ),
              ),
              GoRoute(
                path: '/realm/organize',
                name: 'realmOrganizing',
                builder: (context, state) {
                  final arguments = state.extra as RealmOrganizeArguments?;
                  return RealmOrganizeScreen(
                    edit: arguments?.edit,
                  );
                },
              ),
              GoRoute(
                path: '/realm/:alias',
                name: 'realmView',
                builder: (context, state) {
                  return RealmViewScreen(
                    alias: state.pathParameters['alias']!,
                  );
                },
              ),
            ],
          ),
          ShellRoute(
            builder: (context, state, child) => BasicShell(
              state: state,
              sidebarFirst: true,
              showAppBar: false,
              sidebar: const AccountScreen(),
              child: child,
            ),
            routes: [
              GoRoute(
                path: '/account',
                name: 'account',
                builder: (context, state) =>
                    SolianTheme.isExtraLargeScreen(context)
                        ? const EmptyPagePlaceholder()
                        : const AccountScreen(),
              ),
              GoRoute(
                path: '/account/friend',
                name: 'accountFriend',
                builder: (context, state) => TitleShell(
                  state: state,
                  child: const FriendScreen(),
                ),
              ),
              GoRoute(
                path: '/account/personalize',
                name: 'accountPersonalize',
                builder: (context, state) => TitleShell(
                  state: state,
                  child: const PersonalizeScreen(),
                ),
              ),
              GoRoute(
                path: '/about',
                name: 'about',
                builder: (context, state) => TitleShell(
                  state: state,
                  child: const AboutScreen(),
                ),
              ),
            ],
          ),
        ],
      ),
    ],
  );
}