// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
//
// SPDX-License-Identifier: AGPL-3.0-or-later

import 'package:material_ui/material_ui.dart';
import 'package:tatchat/config/themes.dart';
import 'package:tatchat/pages/chat_list/chat_list.dart';
import 'package:tatchat/pages/chat_list/start_chat_fab.dart';
import 'package:tatchat/pages/chat_list/tabs/channels_tab.dart';
import 'package:tatchat/pages/chat_list/tabs/chat_tab_bar.dart';
import 'package:tatchat/pages/chat_list/tabs/chat_tab_header.dart';
import 'package:tatchat/pages/chat_list/tabs/home_tab.dart';
import 'package:tatchat/pages/chat_list/tabs/murals_tab.dart';
import 'package:tatchat/pages/chat_list/tabs/spaces_tab.dart';

import 'chat_list_body.dart';

class ChatListView extends StatelessWidget {
  final ChatListController controller;

  const ChatListView(this.controller, {super.key});

  @override
  Widget build(BuildContext context) {
    final isColumnMode = FluffyThemes.isColumnMode(context);
    final homeTab = controller.homeTab;
    return PopScope(
      canPop: !controller.isSearchMode,
      onPopInvokedWithResult: (pop, _) {
        if (pop) return;
        if (controller.isSearchMode) {
          controller.cancelSearch();
          return;
        }
      },
      child: SafeArea(
        bottom: false,
        left: false,
        right: false,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            if (isColumnMode)
              ChatTopTabBar(
                currentTab: homeTab,
                onTabSelected: controller.setHomeTab,
              ),
            Expanded(
              child: Scaffold(
                body: SafeArea(
                  top: false,
                  bottom: false,
                  left: false,
                  right: false,
                  child: IndexedStack(
                    index: homeTab.index,
                    children: [
                      ChatTabScaffold(
                        tab: HomeTab.chats,
                        isSearchMode: controller.isSearchMode,
                        onSearchPressed: controller.startSearch,
                        onSearchCancelled: () => controller.cancelSearch(),
                        searchController: controller.searchController,
                        searchFocusNode: controller.searchFocusNode,
                        onSearchChanged: (text) =>
                            controller.onSearchEnter(text, globalSearch: true),
                        controller: controller,
                        child: ChatListViewBody(controller),
                      ),
                      ChannelsTab(controller),
                      SpacesTab(controller),
                      MuralsTab(controller),
                    ],
                  ),
                ),
                floatingActionButton: !controller.isSearchMode && !isColumnMode
                    ? const StartChatFab()
                    : const SizedBox.shrink(),
                bottomNavigationBar: isColumnMode
                    ? null
                    : ChatBottomTabBar(
                        currentTab: homeTab,
                        onTabSelected: controller.setHomeTab,
                      ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}