import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

import 'package:file_picker/file_picker.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:iconsax_plus/iconsax_plus.dart';

import 'package:fladder/providers/settings/client_settings_provider.dart';
import 'package:fladder/providers/sync/background_download_provider.dart';
import 'package:fladder/providers/sync_provider.dart';
import 'package:fladder/providers/user_provider.dart';
import 'package:fladder/screens/settings/settings_list_tile.dart';
import 'package:fladder/screens/settings/widgets/settings_label_divider.dart';
import 'package:fladder/screens/settings/widgets/settings_list_group.dart';
import 'package:fladder/screens/shared/default_alert_dialog.dart';
import 'package:fladder/screens/shared/input_fields.dart';
import 'package:fladder/util/adaptive_layout/adaptive_layout.dart';
import 'package:fladder/util/localization_helper.dart';
import 'package:fladder/util/size_formatting.dart';

List<Widget> buildClientSettingsDownload(BuildContext context, WidgetRef ref, Function setState) {
  final clientSettings = ref.watch(clientSettingsProvider);
  final currentFolder = ref.watch(syncProvider.notifier).savePath;
  final canSync = ref.watch(userProvider.select((value) => value?.canDownload ?? false));

  return [
    if (canSync && !kIsWeb) ...[
      ...settingsListGroup(context, SettingsLabelDivider(label: context.localized.downloadsTitle), [
        if (AdaptiveLayout.of(context).isDesktop) ...[
          SettingsListTile(
            label: Text(context.localized.downloadsPath),
            subLabel: Text(currentFolder ?? "-"),
            onTap: currentFolder != null
                ? () async => await showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                        title: Text(context.localized.pathEditTitle),
                        content: Text(context.localized.pathEditDesc),
                        actions: [
                          ElevatedButton(
                            onPressed: () async {
                              String? selectedDirectory = await FilePicker.platform.getDirectoryPath(
                                  dialogTitle: context.localized.pathEditSelect, initialDirectory: currentFolder);
                              if (selectedDirectory != null) {
                                ref.read(clientSettingsProvider.notifier).setSyncPath(selectedDirectory);
                              }
                              Navigator.of(context).pop();
                            },
                            child: Text(context.localized.change),
                          )
                        ],
                      ),
                    )
                : () async {
                    String? selectedDirectory = await FilePicker.platform.getDirectoryPath(
                        dialogTitle: context.localized.pathEditSelect, initialDirectory: currentFolder);
                    if (selectedDirectory != null) {
                      ref.read(clientSettingsProvider.notifier).setSyncPath(selectedDirectory);
                    }
                  },
            trailing: currentFolder?.isNotEmpty == true
                ? IconButton(
                    color: Theme.of(context).colorScheme.error,
                    onPressed: () async => await showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                        title: Text(context.localized.pathClearTitle),
                        content: Text(context.localized.pathEditDesc),
                        actions: [
                          ElevatedButton(
                            onPressed: () {
                              ref.read(clientSettingsProvider.notifier).setSyncPath(null);
                              Navigator.of(context).pop();
                            },
                            child: Text(context.localized.clear),
                          )
                        ],
                      ),
                    ),
                    icon: const Icon(IconsaxPlusLinear.folder_minus),
                  )
                : null,
          ),
        ],
        FutureBuilder(
          future: ref.watch(syncProvider.notifier).directorySize,
          builder: (context, snapshot) {
            final data = snapshot.data ?? 0;
            return SettingsListTile(
              label: Text(context.localized.downloadsSyncedData),
              subLabel: Text(data.byteFormat ?? ""),
              trailing: FilledButton(
                onPressed: () {
                  showDefaultAlertDialog(
                    context,
                    context.localized.downloadsClearTitle,
                    context.localized.downloadsClearDesc,
                    (context) async {
                      await ref.read(syncProvider.notifier).clear();
                      setState(() {});
                      Navigator.of(context).pop();
                    },
                    context.localized.clear,
                    (context) => Navigator.of(context).pop(),
                    context.localized.cancel,
                  );
                },
                child: Text(context.localized.clear),
              ),
            );
          },
        ),
        SettingsListTile(
          label: Text(context.localized.clientSettingsRequireWifiTitle),
          subLabel: Text(context.localized.clientSettingsRequireWifiDesc),
          onTap: () => ref.read(clientSettingsProvider.notifier).setRequireWifi(!clientSettings.requireWifi),
          trailing: Switch(
            value: clientSettings.requireWifi,
            onChanged: (value) => ref.read(clientSettingsProvider.notifier).setRequireWifi(value),
          ),
        ),
        SettingsListTile(
          label: Text(context.localized.maxConcurrentDownloadsTitle),
          subLabel: Text(context.localized.maxConcurrentDownloadsDesc),
          trailing: SizedBox(
              width: 100,
              child: IntInputField(
                controller: TextEditingController(text: clientSettings.maxConcurrentDownloads.toString()),
                onSubmitted: (value) {
                  if (value != null) {
                    ref.read(clientSettingsProvider.notifier).update(
                          (current) => current.copyWith(
                            maxConcurrentDownloads: value,
                          ),
                        );

                    ref.read(backgroundDownloaderProvider.notifier).setMaxConcurrent(value);
                  }
                },
              )),
        ),
      ]),
      const SizedBox(height: 12),
    ],
  ];
}