import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/views/chat.dart';
import 'package:flutter/material.dart';
import 'package:flutter_slidable/flutter_slidable.dart';
import 'package:bot_toast/bot_toast.dart';
import 'package:pedantic/pedantic.dart';

import '../../l10n/l10n.dart';
import '../../utils/app_route.dart';
import '../../utils/date_time_extension.dart';
import '../../views/chat.dart';
import '../theme_switcher.dart';
import '../avatar.dart';
import '../dialogs/simple_dialogs.dart';
import '../matrix.dart';
import '../dialogs/send_file_dialog.dart';

class ChatListItem extends StatelessWidget {
  final Room room;
  final bool activeChat;
  final Function onForget;

  const ChatListItem(this.room, {this.activeChat = false, this.onForget});

  void clickAction(BuildContext context) async {
    if (!activeChat) {
      if (room.membership == Membership.invite &&
          await SimpleDialogs(context)
                  .tryRequestWithLoadingDialog(room.join()) ==
              false) {
        return;
      }

      if (room.membership == Membership.ban) {
        BotToast.showText(text: L10n.of(context).youHaveBeenBannedFromThisChat);
        return;
      }

      if (room.membership == Membership.leave) {
        await showDialog(
          context: context,
          builder: (BuildContext context) => AlertDialog(
            title: Text(L10n.of(context).archivedRoom),
            content: Text(L10n.of(context).thisRoomHasBeenArchived),
            actions: <Widget>[
              FlatButton(
                child: Text(L10n.of(context).close.toUpperCase(),
                    style: TextStyle(color: Colors.blueGrey)),
                onPressed: () => Navigator.of(context).pop(),
              ),
              FlatButton(
                child: Text(L10n.of(context).delete.toUpperCase(),
                    style: TextStyle(color: Colors.red)),
                onPressed: () async {
                  await archiveAction(context);
                  await Navigator.of(context).pop();
                },
              ),
              FlatButton(
                child: Text(L10n.of(context).rejoin.toUpperCase(),
                    style: TextStyle(color: Colors.blue)),
                onPressed: () async {
                  await SimpleDialogs(context)
                      .tryRequestWithLoadingDialog(room.join());
                  await Navigator.of(context).pop();
                },
              ),
            ],
          ),
        );
      }

      if (room.membership == Membership.join) {
        if (Matrix.of(context).shareContent != null) {
          if (Matrix.of(context).shareContent['msgtype'] ==
              'chat.fluffy.shared_file') {
            await showDialog(
                context: context,
                builder: (context) => SendFileDialog(
                      file: Matrix.of(context).shareContent['file'],
                      room: room,
                    ));
          } else {
            unawaited(room.sendEvent(Matrix.of(context).shareContent));
          }
          Matrix.of(context).shareContent = null;
        }
        await Navigator.pushAndRemoveUntil(
          context,
          AppRoute.defaultRoute(context, ChatView(room.id)),
          (r) => r.isFirst,
        );
      }
    }
  }

  Future<void> _toggleFavouriteRoom(BuildContext context) =>
      SimpleDialogs(context).tryRequestWithLoadingDialog(
        room.setFavourite(!room.isFavourite),
      );

  Future<void> _toggleMuted(BuildContext context) =>
      SimpleDialogs(context).tryRequestWithLoadingDialog(
        room.setPushRuleState(room.pushRuleState == PushRuleState.notify
            ? PushRuleState.mentions_only
            : PushRuleState.notify),
      );

  Future<bool> archiveAction(BuildContext context) async {
    {
      if ([Membership.leave, Membership.ban].contains(room.membership)) {
        final success = await SimpleDialogs(context)
            .tryRequestWithLoadingDialog(room.forget());
        if (success != false) {
          if (onForget != null) onForget();
        }
        return success;
      }
      final confirmed = await SimpleDialogs(context).askConfirmation();
      if (!confirmed) {
        return false;
      }
      final success = await SimpleDialogs(context)
          .tryRequestWithLoadingDialog(room.leave());
      if (success == false) {
        return false;
      }
      return true;
    }
  }

  @override
  Widget build(BuildContext context) {
    final isMuted = room.pushRuleState != PushRuleState.notify;
    final slideableKey = GlobalKey();
    return Slidable(
      key: slideableKey,
      secondaryActions: <Widget>[
        if ([Membership.join, Membership.invite].contains(room.membership))
          IconSlideAction(
            caption: isMuted
                ? L10n.of(context).unmuteChat
                : L10n.of(context).muteChat,
            color: Colors.blueGrey,
            icon:
                isMuted ? Icons.notifications_active : Icons.notifications_off,
            onTap: () => _toggleMuted(context),
          ),
        if ([Membership.join, Membership.invite].contains(room.membership))
          IconSlideAction(
            caption: room.isFavourite
                ? L10n.of(context).unpin
                : L10n.of(context).pin,
            color: Colors.blue,
            icon: room.isFavourite ? Icons.favorite_border : Icons.favorite,
            onTap: () => _toggleFavouriteRoom(context),
          ),
        if ([Membership.join, Membership.invite].contains(room.membership))
          IconSlideAction(
            caption: L10n.of(context).leave,
            color: Colors.red,
            icon: Icons.archive,
            onTap: () => archiveAction(context),
          ),
        if ([Membership.leave, Membership.ban].contains(room.membership))
          IconSlideAction(
            caption: L10n.of(context).delete,
            color: Colors.red,
            icon: Icons.delete_forever,
            onTap: () => archiveAction(context),
          ),
      ],
      actionPane: SlidableDrawerActionPane(),
      child: Center(
        child: Material(
          color: chatListItemColor(context, activeChat),
          child: ListTile(
            onLongPress: () => (slideableKey.currentState as SlidableState)
                .open(actionType: SlideActionType.secondary),
            leading: Avatar(room.avatar, room.displayname),
            title: Row(
              children: <Widget>[
                Expanded(
                  child: Text(
                    room.getLocalizedDisplayname(L10n.of(context)),
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                    softWrap: false,
                  ),
                ),
                room.isFavourite
                    ? Padding(
                        padding: const EdgeInsets.only(left: 4.0),
                        child: Icon(
                          Icons.favorite,
                          color: Colors.grey[400],
                          size: 16,
                        ),
                      )
                    : Container(),
                isMuted
                    ? Padding(
                        padding: const EdgeInsets.only(left: 4.0),
                        child: Icon(
                          Icons.notifications_off,
                          color: Colors.grey[400],
                          size: 16,
                        ),
                      )
                    : Container(),
                Padding(
                  padding: const EdgeInsets.only(left: 4.0),
                  child: Text(
                    room.timeCreated.localizedTimeShort(context),
                    style: TextStyle(
                      color: Color(0xFF555555),
                      fontSize: 13,
                    ),
                  ),
                ),
              ],
            ),
            subtitle: Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                Expanded(
                  child: room.membership == Membership.invite
                      ? Text(
                          L10n.of(context).youAreInvitedToThisChat,
                          style: TextStyle(
                            color: Theme.of(context).primaryColor,
                          ),
                          softWrap: false,
                        )
                      : Text(
                          room.lastEvent?.getLocalizedBody(
                                L10n.of(context),
                                withSenderNamePrefix: !room.isDirectChat,
                                hideReply: true,
                              ) ??
                              '',
                          softWrap: false,
                          maxLines: 1,
                          overflow: TextOverflow.ellipsis,
                          style: TextStyle(
                            decoration: room.lastEvent?.redacted == true
                                ? TextDecoration.lineThrough
                                : null,
                          ),
                        ),
                ),
                SizedBox(width: 8),
                room.notificationCount > 0
                    ? Container(
                        padding: EdgeInsets.symmetric(horizontal: 5),
                        height: 20,
                        decoration: BoxDecoration(
                          color: room.highlightCount > 0
                              ? Colors.red
                              : Theme.of(context).primaryColor,
                          borderRadius: BorderRadius.circular(20),
                        ),
                        child: Center(
                          child: Text(
                            room.notificationCount.toString(),
                            style: TextStyle(color: Colors.white),
                          ),
                        ),
                      )
                    : Text(' '),
              ],
            ),
            onTap: () => clickAction(context),
          ),
        ),
      ),
    );
  }
}