import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:gymlink_module_web/components/app_bar.dart';
import 'package:gymlink_module_web/components/heading.dart';
import 'package:gymlink_module_web/components/order_detail_item_card.dart';
import 'package:gymlink_module_web/interfaces/items.dart';
import 'package:gymlink_module_web/tools/history.dart';
import 'package:gymlink_module_web/tools/text.dart';
import 'package:url_launcher/url_launcher.dart';

final GymHistoryItemDetail item = GymHistoryItemDetail.fromJson({
  "id": "12345",
  "date": "01.01.1970",
  "sum": "45000",
  "pay_url": "https://example.org",
  "receiver": "Иванов Иван Иванович",
  "email": "a@a.ru",
  "address": "г. Москва, ул. Пушкина, д. 17",
  "providers": [
    {
      "id": "123",
      "name": "Поставщик 1",
      "status": "Доставлен",
      "items": [
        {"photo": "url", "id": "123", "count": 2, "price": "15000"},
        {"photo": "url", "id": "123", "count": 2, "price": "15000"}
      ]
    },
    {
      "id": "123",
      "name": "Поставщик 1",
      "status": "Доставляется",
      "items": [
        {"photo": "url", "id": "123", "count": 2, "price": "15000"}
      ]
    }
  ]
});

class OrderInfoPage extends StatefulWidget {
  final String id;
  const OrderInfoPage({super.key, required this.id});

  @override
  State<StatefulWidget> createState() => _OrderInfoPageState();
}

class _OrderInfoPageState extends State<OrderInfoPage> {
  GymHistoryItemDetail? detail;
  final _scrollController = ScrollController();
  late Timer _updateTimer;
  bool _isRefreshing = false;
  @override
  void initState() {
    super.initState();
    _updateTimer = Timer.periodic(const Duration(minutes: 1), _onRefresh);
    _onRefresh(_updateTimer);
  }

  @override
  void dispose() {
    _updateTimer.cancel();
    super.dispose();
  }

  Future<void> _onRefresh(Timer timer) async {
    return Future.delayed(const Duration(milliseconds: 1000), () async {
      var orderInfo = await getHistoryDetail(widget.id);
      setState(() {
        detail = orderInfo;
        _isRefreshing = false;
      });
    });
  }

  Future<void> _goToPage() async {
    if (detail?.payUrl != null) {
      final Uri url = Uri.parse(detail?.payUrl ?? 'https://example.org');
      if (!await launchUrl(url, webOnlyWindowName: '_blank')) {
        throw 'Could not launch $url';
      }
      _onRefresh(_updateTimer);
    }
  }

  Widget _buildContent() {
    return Column(
      children: [
        GymLinkHeader(title: "Заказ #${detail?.id} от ${detail?.date}"),
        Expanded(
          child: RefreshIndicator(
            onRefresh: () => _onRefresh(_updateTimer),
            edgeOffset: 55,
            child: Scrollbar(
              controller: _scrollController,
              child: ListView(
                controller: _scrollController,
                children: [
                  const SizedBox(height: 10),
                  kIsWeb
                      ? Center(
                          child: ElevatedButton(
                            onPressed: () {
                              setState(() {
                                _isRefreshing = true;
                              });
                              _onRefresh(_updateTimer);
                            },
                            style: ElevatedButton.styleFrom(
                              backgroundColor: Theme.of(context).primaryColor,
                              shape: const RoundedRectangleBorder(
                                borderRadius:
                                    BorderRadius.all(Radius.circular(50)),
                              ),
                              foregroundColor: Colors.white,
                              fixedSize: const Size(180, 40),
                            ),
                            child: const Row(
                              mainAxisSize: MainAxisSize.min,
                              children: [
                                Text('Обновить'),
                                Spacer(),
                                Icon(Icons.refresh),
                                Spacer()
                              ],
                            ),
                          ),
                        )
                      : const SizedBox.shrink(),
                  const SizedBox(height: 5),
                  _isRefreshing
                      ? const Center(
                          child: CircularProgressIndicator(),
                        )
                      : const SizedBox.shrink(),
                  const SizedBox(height: 5),
                  ListView.builder(
                    itemCount: detail!.providers.length,
                    physics: const NeverScrollableScrollPhysics(),
                    shrinkWrap: true,
                    itemBuilder: (context, index) {
                      final provider = detail!.providers[index];
                      return Padding(
                        padding: const EdgeInsetsDirectional.symmetric(
                          vertical: 10,
                          horizontal: 5,
                        ),
                        child: Card(
                          elevation: 3,
                          child: Column(
                            children: [
                              MarkdownBody(data: '# ${provider.name}'),
                              MarkdownBody(
                                  data: '## Статус: ${provider.status}'),
                              const MarkdownBody(data: '### Состав:'),
                              for (final item in provider.items)
                                OrderDetailCardItemCard(
                                  image: FutureBuilder(
                                    future: precacheImage(
                                        NetworkImage(item.photo), context),
                                    builder: (context, snapshot) {
                                      if (snapshot.connectionState ==
                                          ConnectionState.done) {
                                        return Image(
                                          image: NetworkImage(item.photo),
                                          width: 50,
                                        );
                                      } else {
                                        return const CircularProgressIndicator();
                                      }
                                    },
                                  ),
                                  name: shortString(item.name),
                                  count: item.count,
                                  price: double.parse(item.price),
                                ),
                            ],
                          ),
                        ),
                      );
                    },
                  ),
                  const SizedBox(
                    height: 10,
                  ),
                  SizedBox(
                    height: 200,
                    child: Padding(
                      padding: const EdgeInsetsDirectional.symmetric(
                        horizontal: 5,
                      ),
                      child: Card(
                        elevation: 4,
                        child: Padding(
                          padding: const EdgeInsetsDirectional.symmetric(
                              horizontal: 10, vertical: 20),
                          child: Column(
                            // mainAxisSize: MainAxisSize.min,
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            // crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Column(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                children: [
                                  MarkdownBody(
                                      data:
                                          '## Итого: ${double.parse(detail!.sum).toStringAsFixed(2)} руб.'),
                                  MarkdownBody(
                                      data:
                                          "### Адрес получателя: __${detail!.address}__"),
                                  MarkdownBody(
                                      data: '### Почта: __${detail!.email}__'),
                                  MarkdownBody(
                                      data: '### ФИО: __${detail!.receiver}__'),
                                ],
                              ),
                              detail?.payUrl == null
                                  ? const SizedBox.shrink()
                                  : Center(
                                      child: ElevatedButton(
                                        onPressed: () async {
                                          await _goToPage();
                                          await payOrder(detail!.id);
                                        },
                                        style: ElevatedButton.styleFrom(
                                          backgroundColor:
                                              Theme.of(context).primaryColor,
                                          shape: const RoundedRectangleBorder(
                                            borderRadius: BorderRadius.all(
                                                Radius.circular(50)),
                                          ),
                                          foregroundColor: Colors.white,
                                          fixedSize: const Size(180, 40),
                                        ),
                                        child: const Text('Оплатить заказ'),
                                      ),
                                    ),
                            ],
                          ),
                        ),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ),
      ],
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: const GymLinkAppBar(),
      body: detail == null
          ? const Center(child: CircularProgressIndicator())
          : _buildContent(),
    );
  }
}