import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:go_router/go_router.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import 'package:surface/providers/sn_network.dart';
import 'package:surface/providers/userinfo.dart';
import 'package:surface/types/post.dart';
import 'package:surface/widgets/account/account_image.dart';
import 'package:surface/widgets/dialog.dart';
import 'package:surface/widgets/loading_indicator.dart';
import 'package:surface/widgets/navigation/app_scaffold.dart';

class PublisherScreen extends StatefulWidget {
  const PublisherScreen({super.key});

  @override
  State<PublisherScreen> createState() => _PublisherScreenState();
}

class _PublisherScreenState extends State<PublisherScreen> {
  bool _isBusy = false;

  final List<SnPublisher> _publishers = List<SnPublisher>.empty(growable: true);

  Future<void> _fetchPublishers() async {
    final sn = context.read<SnNetworkProvider>();
    final ua = context.read<UserProvider>();
    if (!ua.isAuthorized) return;

    setState(() => _isBusy = true);

    try {
      final resp = await sn.client.get('/cgi/co/publishers');
      final List<SnPublisher> out = List<SnPublisher>.from(
          resp.data?.map((e) => SnPublisher.fromJson(e)) ?? []);

      if (!mounted) return;

      _publishers.addAll(out);
    } catch (err) {
      context.showErrorDialog(err);
    } finally {
      setState(() => _isBusy = false);
    }
  }

  @override
  void initState() {
    super.initState();
    _fetchPublishers();
  }

  @override
  Widget build(BuildContext context) {
    return AppScaffold(
      body: Column(
        children: [
          ListTile(
            title: Text('publishersNew').tr(),
            subtitle: Text('publisherNewSubtitle').tr(),
            contentPadding: const EdgeInsets.symmetric(horizontal: 24),
            leading: const Icon(Symbols.add_circle),
            onTap: () {
              GoRouter.of(context)
                  .pushNamed('accountPublisherNew')
                  .then((value) {
                if (value == true) {
                  _publishers.clear();
                  _fetchPublishers();
                }
              });
            },
          ),
          const Divider(height: 1),
          LoadingIndicator(isActive: _isBusy),
          Expanded(
            child: RefreshIndicator(
              onRefresh: () {
                _publishers.clear();
                return _fetchPublishers();
              },
              child: ListView.builder(
                itemCount: _publishers.length,
                itemBuilder: (context, idx) {
                  final publisher = _publishers[idx];
                  return ListTile(
                    title: Text(publisher.nick),
                    subtitle: Text('@${publisher.name}'),
                    contentPadding: const EdgeInsets.symmetric(horizontal: 16),
                    leading: AccountImage(content: publisher.avatar),
                    trailing: PopupMenuButton(
                      itemBuilder: (BuildContext context) => [
                        PopupMenuItem(
                          child: Row(
                            children: [
                              const Icon(Icons.edit),
                              const Gap(16),
                              Text('edit').tr(),
                            ],
                          ),
                          onTap: () {
                            GoRouter.of(context).pushNamed(
                              'accountPublisherEdit',
                              pathParameters: {
                                'name': publisher.name,
                              },
                            ).then((value) {
                              if (value == true) {
                                _publishers.clear();
                                _fetchPublishers();
                              }
                            });
                          },
                        ),
                      ],
                    ),
                  );
                },
              ),
            ),
          ),
        ],
      ),
    );
  }
}