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: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/models/search_filter.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/person_name_edit_form.dart';
import 'package:immich_mobile/modules/search/ui/search_row_title.dart';
import 'package:immich_mobile/routing/router.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/providers/server_info.provider.dart';
import 'package:immich_mobile/shared/ui/immich_app_bar.dart';
import 'package:immich_mobile/shared/ui/scaffold_error_body.dart';

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

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final curatedLocation = ref.watch(getCuratedLocationProvider);
    final curatedPeople = ref.watch(getAllPeopleProvider);
    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;

    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
                  .map((e) => CuratedContent(label: e.name, id: e.id))
                  .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(
                SearchInputRoute(
                  prefilter: SearchFilter(
                    people: {},
                    location: SearchLocationFilter(
                      city: content.label,
                    ),
                    camera: SearchCameraFilter(),
                    date: SearchDateFilter(),
                    display: SearchDisplayFilters(
                      isNotInAlbum: false,
                      isArchive: false,
                      isFavorite: false,
                    ),
                    mediaType: AssetType.other,
                  ),
                ),
              );
            },
          ),
        ),
      );
    }

    buildSearchButton() {
      return GestureDetector(
        onTap: () {
          context.pushRoute(SearchInputRoute());
        },
        child: Card(
          elevation: 0,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
            side: BorderSide(
              color: context.isDarkTheme
                  ? Colors.grey[800]!
                  : const Color.fromARGB(255, 225, 225, 225),
            ),
          ),
          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          child: Padding(
            padding: const EdgeInsets.symmetric(
              horizontal: 16.0,
              vertical: 12.0,
            ),
            child: Row(
              children: [
                Icon(Icons.search, color: context.primaryColor),
                const SizedBox(width: 16.0),
                Text(
                  "Search your photos",
                  style: context.textTheme.bodyLarge?.copyWith(
                    color:
                        context.isDarkTheme ? Colors.white70 : Colors.black54,
                    fontWeight: FontWeight.w400,
                  ),
                ),
              ],
            ),
          ),
        ),
      );
    }

    return Scaffold(
      appBar: const ImmichAppBar(),
      body: Stack(
        children: [
          ListView(
            children: [
              buildSearchButton(),
              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_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()),
              ),
            ],
          ),
        ],
      ),
    );
  }
}

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,
      ),
    );
  }
}