import 'package:dartx/dartx.dart';
import 'package:fluentui_system_icons/fluentui_system_icons.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:hiddify/core/localization/translations.dart';
import 'package:hiddify/core/widget/animated_visibility.dart';
import 'package:hiddify/core/widget/shimmer_skeleton.dart';
import 'package:hiddify/features/proxy/active/active_proxy_notifier.dart';
import 'package:hiddify/features/proxy/active/ip_widget.dart';
import 'package:hiddify/features/proxy/model/proxy_failure.dart';
import 'package:hiddify/features/stats/notifier/stats_notifier.dart';
import 'package:hiddify/gen/fonts.gen.dart';
import 'package:hiddify/utils/utils.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';

class ActiveProxyFooter extends HookConsumerWidget {
  const ActiveProxyFooter({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final t = ref.watch(translationsProvider);
    final theme = Theme.of(context);
    final activeProxy = ref.watch(activeProxyNotifierProvider);
    final ipInfo = ref.watch(ipInfoNotifierProvider);
    final stats = ref.watch(statsNotifierProvider).value;

    return AnimatedVisibility(
      axis: Axis.vertical,
      visible: activeProxy is AsyncData,
      child: switch (activeProxy) {
        AsyncData(value: final proxy) => Padding(
            padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
            child: Column(
              children: [
                // Карточка с информацией о прокси и локации
                Card(
                  elevation: 2,
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
                  child: Padding(
                    padding: const EdgeInsets.all(16),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        // Название прокси
                        Row(
                          children: [
                            Icon(
                              FluentIcons.arrow_routing_20_regular,
                              size: 20,
                              color: theme.colorScheme.primary,
                            ),
                            const Gap(12),
                            Expanded(
                              child: Text(
                                proxy.selectedName.isNotNullOrBlank
                                    ? proxy.selectedName!
                                    : proxy.name,
                                semanticsLabel: t.proxies.activeProxySemanticLabel,
                                style: theme.textTheme.titleMedium?.copyWith(
                                  fontWeight: FontWeight.w600,
                                  fontFamily: FontFamily.emoji,
                                ),
                                overflow: TextOverflow.ellipsis,
                              ),
                            ),
                          ],
                        ),
                        const Gap(12),
                        const Divider(height: 1),
                        const Gap(12),
                        // Информация о стране
                        switch (ipInfo) {
                          AsyncData(value: final info) => InkWell(
                              onTap: () async {
                                ref.read(ipInfoNotifierProvider.notifier).refresh();
                              },
                              borderRadius: BorderRadius.circular(8),
                              child: Padding(
                                padding: const EdgeInsets.symmetric(vertical: 4),
                                child: Row(
                                  children: [
                                    IPCountryFlag(countryCode: info.countryCode),
                                    const Gap(12),
                                    Expanded(
                                      child: Column(
                                        crossAxisAlignment: CrossAxisAlignment.start,
                                        children: [
                                          Text(
                                            info.countryCode.toUpperCase(),
                                            style: theme.textTheme.bodyLarge?.copyWith(
                                              fontWeight: FontWeight.w500,
                                            ),
                                          ),
                                          if (info.org?.isNotEmpty ?? false)
                                            Text(
                                              info.org!,
                                              style: theme.textTheme.bodySmall?.copyWith(
                                                color: theme.colorScheme.onSurfaceVariant,
                                              ),
                                              overflow: TextOverflow.ellipsis,
                                            ),
                                        ],
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                            ),
                          AsyncError(error: final UnknownIp _) => InkWell(
                              onTap: () async {
                                ref.read(ipInfoNotifierProvider.notifier).refresh();
                              },
                              borderRadius: BorderRadius.circular(8),
                              child: Padding(
                                padding: const EdgeInsets.symmetric(vertical: 4),
                                child: Row(
                                  children: [
                                    const Icon(FluentIcons.arrow_sync_20_regular),
                                    const Gap(12),
                                    Text(
                                      t.proxies.checkIp,
                                      style: theme.textTheme.bodyMedium,
                                    ),
                                  ],
                                ),
                              ),
                            ),
                          AsyncError() => InkWell(
                              onTap: () async {
                                ref.read(ipInfoNotifierProvider.notifier).refresh();
                              },
                              borderRadius: BorderRadius.circular(8),
                              child: Padding(
                                padding: const EdgeInsets.symmetric(vertical: 4),
                                child: Row(
                                  children: [
                                    Icon(
                                      FluentIcons.error_circle_20_regular,
                                      color: theme.colorScheme.error,
                                    ),
                                    const Gap(12),
                                    Text(
                                      t.proxies.unknownIp,
                                      style: theme.textTheme.bodyMedium?.copyWith(
                                        color: theme.colorScheme.error,
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                            ),
                          _ => const Padding(
                              padding: EdgeInsets.symmetric(vertical: 4),
                              child: Row(
                                children: [
                                  Icon(FluentIcons.question_circle_20_regular),
                                  Gap(12),
                                  Expanded(
                                    child: ShimmerSkeleton(height: 16, widthFactor: 0.6),
                                  ),
                                ],
                              ),
                            ),
                        },
                      ],
                    ),
                  ),
                ),
                const Gap(12),
                // Карточки со статистикой
                Row(
                  children: [
                    Expanded(
                      child: Card(
                        elevation: 2,
                        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
                        child: Padding(
                          padding: const EdgeInsets.all(16),
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Icon(
                                FluentIcons.arrow_bidirectional_up_down_20_regular,
                                size: 24,
                                color: theme.colorScheme.secondary,
                              ),
                              const Gap(8),
                              Text(
                                (stats?.downlinkTotal ?? 0).size(),
                                semanticsLabel: t.stats.totalTransferred,
                                style: theme.textTheme.titleLarge?.copyWith(
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                              Text(
                                t.stats.totalTransferred,
                                style: theme.textTheme.bodySmall?.copyWith(
                                  color: theme.colorScheme.onSurfaceVariant,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ),
                    ),
                    const Gap(12),
                    Expanded(
                      child: Card(
                        elevation: 2,
                        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
                        child: Padding(
                          padding: const EdgeInsets.all(16),
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Icon(
                                FluentIcons.arrow_download_20_regular,
                                size: 24,
                                color: theme.colorScheme.tertiary,
                              ),
                              const Gap(8),
                              Text(
                                (stats?.downlink ?? 0).speed(),
                                semanticsLabel: t.stats.speed,
                                style: theme.textTheme.titleLarge?.copyWith(
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                              Text(
                                t.stats.speed,
                                style: theme.textTheme.bodySmall?.copyWith(
                                  color: theme.colorScheme.onSurfaceVariant,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
              ],
            ),
          ),
        _ => const SizedBox(),
      },
    );
  }
}

class _InfoProp extends StatelessWidget {
  const _InfoProp({
    required this.icon,
    required this.text,
    this.semanticLabel,
  });

  final IconData icon;
  final String text;
  final String? semanticLabel;

  @override
  Widget build(BuildContext context) {
    return Semantics(
      label: semanticLabel,
      child: Row(
        children: [
          Icon(icon),
          const Gap(8),
          Flexible(
            child: Text(
              text,
              style: Theme.of(context)
                  .textTheme
                  .labelMedium
                  ?.copyWith(fontFamily: FontFamily.emoji),
              overflow: TextOverflow.ellipsis,
            ),
          ),
        ],
      ),
    );
  }
}