import 'package:flutter/material.dart';

import 'package:flutter_gen/gen_l10n/l10n.dart';

import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/pages/chat_list/chat_list.dart';
import 'package:fluffychat/pages/chat_list/client_chooser_button.dart';
import '../../widgets/matrix.dart';

class ChatListHeader extends StatelessWidget implements PreferredSizeWidget {
  final ChatListController controller;

  const ChatListHeader({Key? key, required this.controller}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final selectMode = controller.selectMode;

    return AppBar(
      automaticallyImplyLeading: false,
      leading: selectMode == SelectMode.normal
          ? null
          : IconButton(
              tooltip: L10n.of(context)!.cancel,
              icon: const Icon(Icons.close_outlined),
              onPressed: controller.cancelAction,
              color: Theme.of(context).colorScheme.primary,
            ),
      title: selectMode == SelectMode.share
          ? Text(
              L10n.of(context)!.share,
              key: const ValueKey(SelectMode.share),
            )
          : selectMode == SelectMode.select
              ? Text(
                  controller.selectedRoomIds.length.toString(),
                  key: const ValueKey(SelectMode.select),
                )
              : SizedBox(
                  height: 44,
                  child: TextField(
                    controller: controller.searchController,
                    textInputAction: TextInputAction.search,
                    onChanged: controller.onSearchEnter,
                    decoration: InputDecoration(
                      fillColor: Theme.of(context)
                          .colorScheme
                          .secondaryContainer
                          .withAlpha(128),
                      border: UnderlineInputBorder(
                        borderSide: BorderSide.none,
                        borderRadius:
                            BorderRadius.circular(AppConfig.borderRadius),
                      ),
                      hintText: L10n.of(context)!.search,
                      floatingLabelBehavior: FloatingLabelBehavior.never,
                      prefixIcon: controller.isSearchMode
                          ? IconButton(
                              tooltip: L10n.of(context)!.cancel,
                              icon: const Icon(Icons.close_outlined),
                              onPressed: controller.cancelSearch,
                              color: Theme.of(context).colorScheme.onBackground,
                            )
                          : Icon(
                              Icons.search_outlined,
                              color: Theme.of(context).colorScheme.onBackground,
                            ),
                      suffixIcon: controller.isSearchMode
                          ? controller.isSearching
                              ? const Align(
                                  alignment: Alignment.centerRight,
                                  child: Padding(
                                    padding: EdgeInsets.symmetric(
                                        vertical: 8.0, horizontal: 12),
                                    child: SizedBox.square(
                                      dimension: 24,
                                      child: CircularProgressIndicator.adaptive(
                                        strokeWidth: 2,
                                      ),
                                    ),
                                  ),
                                )
                              : TextButton(
                                  onPressed: controller.setServer,
                                  style: TextButton.styleFrom(
                                    textStyle: const TextStyle(fontSize: 12),
                                  ),
                                  child: Text(
                                    controller.searchServer ??
                                        Matrix.of(context)
                                            .client
                                            .homeserver!
                                            .host,
                                    maxLines: 2,
                                  ),
                                )
                          : SizedBox(
                              width: 0,
                              child: ClientChooserButton(controller),
                            ),
                    ),
                  ),
                ),
      actions: selectMode == SelectMode.share
          ? [
              Padding(
                padding: const EdgeInsets.symmetric(
                  horizontal: 16.0,
                  vertical: 8.0,
                ),
                child: ClientChooserButton(controller),
              ),
            ]
          : selectMode == SelectMode.select
              ? [
                  if (controller.spaces.isNotEmpty)
                    IconButton(
                      tooltip: L10n.of(context)!.addToSpace,
                      icon: const Icon(Icons.workspaces_outlined),
                      onPressed: controller.addToSpace,
                    ),
                  IconButton(
                    tooltip: L10n.of(context)!.toggleUnread,
                    icon: Icon(controller.anySelectedRoomNotMarkedUnread
                        ? Icons.mark_chat_read_outlined
                        : Icons.mark_chat_unread_outlined),
                    onPressed: controller.toggleUnread,
                  ),
                  IconButton(
                    tooltip: L10n.of(context)!.toggleFavorite,
                    icon: Icon(controller.anySelectedRoomNotFavorite
                        ? Icons.push_pin_outlined
                        : Icons.push_pin),
                    onPressed: controller.toggleFavouriteRoom,
                  ),
                  IconButton(
                    icon: Icon(controller.anySelectedRoomNotMuted
                        ? Icons.notifications_off_outlined
                        : Icons.notifications_outlined),
                    tooltip: L10n.of(context)!.toggleMuted,
                    onPressed: controller.toggleMuted,
                  ),
                  IconButton(
                    icon: const Icon(Icons.delete_outlined),
                    tooltip: L10n.of(context)!.archive,
                    onPressed: controller.archiveAction,
                  ),
                ]
              : null,
    );
  }

  @override
  Size get preferredSize => const Size.fromHeight(56);
}