import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:ui/providers/APIs.dart';
import 'package:ui/providers/settings.dart';
import 'package:ui/providers/welcome_data.dart';
import 'package:ui/utils.dart';
import 'package:ui/widgets/progress_indicator.dart';

class SearchPage extends ConsumerStatefulWidget {
  const SearchPage({super.key, this.query});

  static const route = "/search";
  final String? query;

  @override
  ConsumerState<ConsumerStatefulWidget> createState() {
    return _SearchPageState();
  }
}

class _SearchPageState extends ConsumerState<SearchPage> {
  List<dynamic> list = List.empty();

  @override
  Widget build(BuildContext context) {
    final q = widget.query ?? "";
    var searchList = ref.watch(searchPageDataProvider(q));

    List<Widget> res = searchList.when(
        data: (data) {
          var cards = List<Widget>.empty(growable: true);
          for (final item in data) {
            cards.add(Card(
                margin: const EdgeInsets.all(4),
                clipBehavior: Clip.hardEdge,
                child: InkWell(
                  //splashColor: Colors.blue.withAlpha(30),
                  onTap: () {
                    if (item.inWatchlist != true) {
                      _showSubmitDialog(context, item);
                    }
                  },
                  child: Row(
                    children: <Widget>[
                      Flexible(
                        child: SizedBox(
                          width: 150,
                          height: 200,
                          child: Image.network(
                            "${APIs.tmdbImgBaseUrl}${item.posterPath}",
                            fit: BoxFit.contain,
                            headers: APIs.authHeaders,
                          ),
                        ),
                      ),
                      Flexible(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Row(
                              children: [
                                Text(
                                  "${item.name} ${item.name != item.originalName ? item.originalName : ''} (${item.firstAirDate?.year})",
                                  style: const TextStyle(
                                      fontSize: 14,
                                      fontWeight: FontWeight.bold),
                                ),
                                const SizedBox(
                                  width: 10,
                                ),
                                item.mediaType == "tv"
                                    ? const Chip(
                                        avatar: Icon(Icons.live_tv),
                                        label: Text(
                                          "电视剧",
                                        ))
                                    : const Chip(
                                        avatar: Icon(Icons.movie),
                                        label: Text("电影")),
                                item.inWatchlist == true
                                    ? const Chip(
                                        label: Icon(
                                        Icons.done,
                                        color: Colors.green,
                                      ))
                                    : const Text("")
                              ],
                            ),
                            const Text(""),
                            item.originCountry.isNotEmpty
                                ? Text("国家：${item.originCountry[0]}")
                                : Container(),
                            Text("${item.overview}")
                          ],
                        ),
                      )
                    ],
                  ),
                )));
          }
          return cards;
        },
        error: (err, trace) => [Text("$err")],
        loading: () => [const MyProgressIndicator()]);

    var f = NotificationListener(
        onNotification: (ScrollNotification scrollInfo) {
          if (scrollInfo is ScrollEndNotification &&
              scrollInfo.metrics.axisDirection == AxisDirection.down &&
              scrollInfo.metrics.pixels >= scrollInfo.metrics.maxScrollExtent) {
            ref.read(searchPageDataProvider(q).notifier).queryNextPage();
          }
          return true;
        },
        child: ListView(
          children: res,
        ));
    return Column(
      children: [
        TextField(
          autofocus: true,
          controller: TextEditingController(text: q),
          onSubmitted: (value) async {
            context.go(
                Uri(path: SearchPage.route, queryParameters: {'query': value})
                    .toString());
          },
          decoration: const InputDecoration(
              labelText: "搜索",
              hintText: "搜索剧集名称",
              prefixIcon: Icon(Icons.search)),
        ),
        Expanded(child: f)
      ],
    );
  }

  Future<void> _showSubmitDialog(BuildContext context, SearchResult item) {
    return showDialog<void>(
        context: context,
        builder: (BuildContext context) {
          return Consumer(
            builder: (context, ref, _) {
              String resSelected = "1080p";
              int storageSelected = 0;
              var storage = ref.watch(storageSettingProvider);
              var name = ref.watch(suggestNameDataProvider(item.id!));

              var pathController = TextEditingController();
              return AlertDialog(
                title: Text('添加剧集: ${item.name}'),
                content: SizedBox(
                  width: 500,
                  height: 200,
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      DropdownMenu(
                        width: 200,
                        label: const Text("清晰度"),
                        initialSelection: resSelected,
                        dropdownMenuEntries: const [
                          DropdownMenuEntry(value: "720p", label: "720p"),
                          DropdownMenuEntry(value: "1080p", label: "1080p"),
                          DropdownMenuEntry(value: "4k", label: "4k"),
                        ],
                        onSelected: (value) {
                          setState(() {
                            resSelected = value!;
                          });
                        },
                      ),
                      storage.when(
                          data: (v) {
                            return StatefulBuilder(
                                builder: (context, setState) {
                              return Column(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                children: [
                                  DropdownMenu(
                                    width: 200,
                                    label: const Text("存储位置"),
                                    initialSelection: storageSelected,
                                    dropdownMenuEntries: v
                                        .map((s) => DropdownMenuEntry(
                                            label: s.name!, value: s.id))
                                        .toList(),
                                    onSelected: (value) {
                                      setState(() {
                                        storageSelected = value!;
                                      });
                                    },
                                  ),
                                  item.mediaType == "tv"
                                      ? name.when(
                                          data: (s) {
                                            return storageSelected == 0
                                                ? const Text("")
                                                : () {
                                                    final storage = v
                                                        .where((e) =>
                                                            e.id ==
                                                            storageSelected)
                                                        .first;
                                                    final path = storage
                                                        .settings!["tv_path"];

                                                    pathController.text = s;
                                                    return SizedBox(
                                                      //width: 300,
                                                      child: TextField(
                                                        controller:
                                                            pathController,
                                                        decoration:
                                                            InputDecoration(
                                                                labelText:
                                                                    "存储路径",
                                                                prefix:
                                                                    Text(path)),
                                                      ),
                                                    );
                                                  }();
                                          },
                                          error: (error, stackTrace) =>
                                              Text("$error"),
                                          loading: () =>
                                              const MyProgressIndicator(
                                            size: 20,
                                          ),
                                        )
                                      : Text(""),
                                ],
                              );
                            });
                          },
                          error: (err, trace) => Text("$err"),
                          loading: () => const MyProgressIndicator()),
                    ],
                  ),
                ),
                actions: <Widget>[
                  TextButton(
                    style: TextButton.styleFrom(
                      textStyle: Theme.of(context).textTheme.labelLarge,
                    ),
                    child: const Text('取消'),
                    onPressed: () {
                      Navigator.of(context).pop();
                    },
                  ),
                  TextButton(
                    style: TextButton.styleFrom(
                      textStyle: Theme.of(context).textTheme.labelLarge,
                    ),
                    child: const Text('确定'),
                    onPressed: () {
                      ref
                          .read(searchPageDataProvider(widget.query ?? "")
                              .notifier)
                          .submit2Watchlist(item.id!, storageSelected,
                              resSelected, item.mediaType!, pathController.text)
                          .then((v) {
                        Utils.showSnakeBar("添加成功");
                        Navigator.of(context).pop();
                      }).onError((error, trace) {
                        Utils.showSnakeBar("添加失败：$error");
                      });
                    },
                  ),
                ],
              );
            },
          );
        });
  }
}

class SearchBarApp extends StatefulWidget {
  const SearchBarApp({
    super.key,
    required this.onChanged,
  });

  final ValueChanged<String> onChanged;
  @override
  State<SearchBarApp> createState() => _SearchBarAppState();
}

class _SearchBarAppState extends State<SearchBarApp> {
  @override
  Widget build(BuildContext context) {
    return SearchAnchor(
        builder: (BuildContext context, SearchController controller) {
      return SearchBar(
        controller: controller,
        padding: const WidgetStatePropertyAll<EdgeInsets>(
            EdgeInsets.symmetric(horizontal: 16.0)),
        onSubmitted: (value) => {widget.onChanged(controller.text)},
        leading: const Icon(Icons.search),
      );
    }, suggestionsBuilder: (BuildContext context, SearchController controller) {
      return List<ListTile>.generate(0, (int index) {
        final String item = 'item $index';
        return ListTile(
          title: Text(item),
          onTap: () {
            setState(() {
              controller.closeView(item);
            });
          },
        );
      });
    });
  }
}