import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:recon/auxiliary.dart';
import 'package:recon/clients/messaging_client.dart';
import 'package:recon/models/message.dart';
import 'package:recon/models/users/friend.dart';
import 'package:recon/models/users/online_status.dart';
import 'package:recon/widgets/formatted_text.dart';
import 'package:recon/widgets/friends/friend_online_status_indicator.dart';
import 'package:recon/widgets/generic_avatar.dart';
import 'package:recon/widgets/messages/messages_list.dart';

class FriendListTile extends StatelessWidget {
  const FriendListTile({required this.friend, required this.unreads, this.onTap, super.key});

  final Friend friend;
  final int unreads;
  final Function? onTap;

  @override
  Widget build(BuildContext context) {
    final imageUri = Aux.resdbToHttp(friend.userProfile.iconUrl);
    final theme = Theme.of(context);
    final mClient = Provider.of<MessagingClient>(context, listen: false);
    final currentSession = friend.userStatus.currentSessionIndex == -1
        ? null
        : friend.userStatus.decodedSessions.elementAtOrNull(friend.userStatus.currentSessionIndex);
    return ListTile(
      leading: GenericAvatar(
        imageUri: imageUri,
      ),
      trailing: unreads != 0
          ? Text(
              "+$unreads",
              style: theme.textTheme.bodyMedium?.copyWith(color: theme.colorScheme.primary),
            )
          : null,
      title: Row(
        children: [
          Text(friend.username),
          if (friend.isHeadless)
            Padding(
              padding: const EdgeInsets.only(left: 8),
              child: Icon(
                Icons.dns,
                size: 12,
                color: theme.colorScheme.onSecondaryContainer.withAlpha(150),
              ),
            ),
        ],
      ),
      subtitle: Row(
        mainAxisSize: MainAxisSize.min,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          FriendOnlineStatusIndicator(friend: friend),
          const SizedBox(
            width: 4,
          ),
          if (!(friend.isOffline || friend.isHeadless)) ...[
            Text(toBeginningOfSentenceCase(friend.userStatus.onlineStatus.name) ?? "Unknown"),
            if (currentSession != null) ...[
              const Text(" in "),
              if (currentSession.name.isNotEmpty)
                Expanded(
                  child: FormattedText(
                    currentSession.formattedName,
                    overflow: TextOverflow.ellipsis,
                    maxLines: 1,
                  ),
                )
              else
                Expanded(
                  child: Text(
                    "${currentSession.accessLevel.toReadableString()} World",
                    overflow: TextOverflow.ellipsis,
                    maxLines: 1,
                  ),
                )
            ] else if (friend.userStatus.appVersion.isNotEmpty)
              Expanded(
                child: Text(
                  " on version ${friend.userStatus.appVersion}",
                  overflow: TextOverflow.ellipsis,
                  maxLines: 1,
                ),
              ),
          ] else if (friend.isOffline)
            Text(
              "Offline",
              overflow: TextOverflow.ellipsis,
              maxLines: 1,
              style: theme.textTheme.bodyMedium?.copyWith(
                color: OnlineStatus.offline.color(context),
              ),
            )
          else
            Text(
              "Headless Host",
              overflow: TextOverflow.ellipsis,
              maxLines: 1,
              style: theme.textTheme.bodyMedium?.copyWith(
                color: const Color.fromARGB(255, 41, 77, 92),
              ),
            )
        ],
      ),
      onTap: () async {
        onTap?.call();
        mClient.loadUserMessageCache(friend.id);
        final unreads = mClient.getUnreadsForFriend(friend);
        if (unreads.isNotEmpty) {
          final readBatch = MarkReadBatch(
            senderId: friend.id,
            ids: unreads.map((e) => e.id).toList(),
            readTime: DateTime.now(),
          );
          mClient.markMessagesRead(readBatch);
        }
        mClient.selectedFriend = friend;
        await Navigator.of(context).push(
          MaterialPageRoute(
            builder: (context) => ChangeNotifierProvider<MessagingClient>.value(
              value: mClient,
              child: const MessagesList(),
            ),
          ),
        );
        mClient.selectedFriend = null;
      },
    );
  }
}