import 'dart:math' as math;
import 'package:auto_route/auto_route.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart' hide Store;
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/extensions/asyncvalue_extensions.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/modules/search/models/curated_content.dart';
import 'package:immich_mobile/modules/search/providers/people.provider.dart';
import 'package:immich_mobile/modules/search/providers/search_page_state.provider.dart';
import 'package:immich_mobile/modules/search/ui/curated_people_row.dart';
import 'package:immich_mobile/modules/search/ui/curated_places_row.dart';
import 'package:immich_mobile/modules/search/ui/immich_search_bar.dart';
import 'package:immich_mobile/modules/search/ui/person_name_edit_form.dart';
import 'package:immich_mobile/modules/search/ui/search_row_title.dart';
import 'package:immich_mobile/modules/search/ui/search_suggestion_list.dart';
import 'package:immich_mobile/routing/router.dart';
import 'package:immich_mobile/shared/providers/server_info.provider.dart';
import 'package:immich_mobile/shared/ui/scaffold_error_body.dart';

@RoutePage()
// ignore: must_be_immutable
class SearchPage extends HookConsumerWidget {
  SearchPage({super.key});

  FocusNode searchFocusNode = FocusNode();

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final isSearchEnabled = ref.watch(searchPageStateProvider).isSearchEnabled;
    final curatedLocation = ref.watch(getCuratedLocationProvider);
    final curatedPeople = ref.watch(getCuratedPeopleProvider);
    final isMapEnabled =
        ref.watch(serverInfoProvider.select((v) => v.serverFeatures.map));
    double imageSize = math.min(context.width / 3, 150);

    TextStyle categoryTitleStyle = const TextStyle(
      fontWeight: FontWeight.w500,
      fontSize: 15.0,
    );

    Color categoryIconColor = context.isDarkTheme ? Colors.white : Colors.black;

    useEffect(
      () {
        searchFocusNode = FocusNode();
        return () => searchFocusNode.dispose();
      },
      [],
    );

    onSearchSubmitted(String searchTerm) async {
      searchFocusNode.unfocus();
      ref.watch(searchPageStateProvider.notifier).disableSearch();

      context.pushRoute(
        SearchResultRoute(
          searchTerm: searchTerm,
        ),
      );
    }

    showNameEditModel(
      String personId,
      String personName,
    ) {
      return showDialog(
        context: context,
        builder: (BuildContext context) {
          return PersonNameEditForm(personId: personId, personName: personName);
        },
      );
    }

    buildPeople() {
      return SizedBox(
        height: imageSize,
        child: curatedPeople.widgetWhen(
          onError: (error, stack) => const ScaffoldErrorBody(withIcon: false),
          onData: (people) => Padding(
            padding: const EdgeInsets.only(
              left: 16,
              top: 8,
            ),
            child: CuratedPeopleRow(
              content: people.take(12).toList(),
              onTap: (content, index) {
                context.pushRoute(
                  PersonResultRoute(
                    personId: content.id,
                    personName: content.label,
                  ),
                );
              },
              onNameTap: (person, index) => {
                showNameEditModel(person.id, person.label),
              },
            ),
          ),
        ),
      );
    }

    buildPlaces() {
      return SizedBox(
        height: imageSize,
        child: curatedLocation.widgetWhen(
          onError: (error, stack) => const ScaffoldErrorBody(withIcon: false),
          onData: (locations) => CuratedPlacesRow(
            isMapEnabled: isMapEnabled,
            content: locations
                .map(
                  (o) => CuratedContent(
                    id: o.id,
                    label: o.city,
                  ),
                )
                .toList(),
            imageSize: imageSize,
            onTap: (content, index) {
              context.pushRoute(
                SearchResultRoute(
                  searchTerm: 'm:${content.label}',
                ),
              );
            },
          ),
        ),
      );
    }

    return Scaffold(
      appBar: ImmichSearchBar(
        searchFocusNode: searchFocusNode,
        onSubmitted: onSearchSubmitted,
      ),
      body: GestureDetector(
        onTap: () {
          searchFocusNode.unfocus();
          ref.watch(searchPageStateProvider.notifier).disableSearch();
        },
        child: Stack(
          children: [
            ListView(
              children: [
                SearchRowTitle(
                  title: "search_page_people".tr(),
                  onViewAllPressed: () =>
                      context.pushRoute(const AllPeopleRoute()),
                ),
                buildPeople(),
                SearchRowTitle(
                  title: "search_page_places".tr(),
                  onViewAllPressed: () =>
                      context.pushRoute(const CuratedLocationRoute()),
                  top: 0,
                ),
                const SizedBox(height: 10.0),
                buildPlaces(),
                const SizedBox(height: 24.0),
                Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 16),
                  child: Text(
                    'search_page_your_activity',
                    style: context.textTheme.bodyLarge?.copyWith(
                      fontWeight: FontWeight.w500,
                    ),
                  ).tr(),
                ),
                ListTile(
                  leading: Icon(
                    Icons.favorite_border_rounded,
                    color: categoryIconColor,
                  ),
                  title:
                      Text('search_page_favorites', style: categoryTitleStyle)
                          .tr(),
                  onTap: () => context.pushRoute(const FavoritesRoute()),
                ),
                const CategoryDivider(),
                ListTile(
                  leading: Icon(
                    Icons.schedule_outlined,
                    color: categoryIconColor,
                  ),
                  title: Text(
                    'search_page_recently_added',
                    style: categoryTitleStyle,
                  ).tr(),
                  onTap: () => context.pushRoute(const RecentlyAddedRoute()),
                ),
                const SizedBox(height: 24.0),
                Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 16.0),
                  child: Text(
                    'search_page_categories',
                    style: context.textTheme.bodyLarge?.copyWith(
                      fontWeight: FontWeight.w500,
                    ),
                  ).tr(),
                ),
                ListTile(
                  title:
                      Text('search_page_screenshots', style: categoryTitleStyle)
                          .tr(),
                  leading: Icon(
                    Icons.screenshot,
                    color: categoryIconColor,
                  ),
                  onTap: () => context.pushRoute(
                    SearchResultRoute(
                      searchTerm: 'screenshots',
                    ),
                  ),
                ),
                const CategoryDivider(),
                ListTile(
                  title: Text('search_page_selfies', style: categoryTitleStyle)
                      .tr(),
                  leading: Icon(
                    Icons.photo_camera_front_outlined,
                    color: categoryIconColor,
                  ),
                  onTap: () => context.pushRoute(
                    SearchResultRoute(
                      searchTerm: 'selfies',
                    ),
                  ),
                ),
                const CategoryDivider(),
                ListTile(
                  title: Text('search_page_videos', style: categoryTitleStyle)
                      .tr(),
                  leading: Icon(
                    Icons.play_circle_outline,
                    color: categoryIconColor,
                  ),
                  onTap: () => context.pushRoute(const AllVideosRoute()),
                ),
                const CategoryDivider(),
                ListTile(
                  title: Text(
                    'search_page_motion_photos',
                    style: categoryTitleStyle,
                  ).tr(),
                  leading: Icon(
                    Icons.motion_photos_on_outlined,
                    color: categoryIconColor,
                  ),
                  onTap: () => context.pushRoute(const AllMotionPhotosRoute()),
                ),
              ],
            ),
            if (isSearchEnabled)
              SearchSuggestionList(onSubmitted: onSearchSubmitted),
          ],
        ),
      ),
    );
  }
}

class CategoryDivider extends StatelessWidget {
  const CategoryDivider({super.key});

  @override
  Widget build(BuildContext context) {
    return const Padding(
      padding: EdgeInsets.only(
        left: 56,
        right: 16,
      ),
      child: Divider(
        height: 0,
      ),
    );
  }
}