part of '../neon.dart';

const kAvatarSize = 40.0;

class AccountAvatar extends StatelessWidget {
  const AccountAvatar({
    required this.account,
    super.key,
  });

  final Account account;

  @override
  Widget build(final BuildContext context) {
    final size = (kAvatarSize * MediaQuery.of(context).devicePixelRatio).toInt();
    return Stack(
      alignment: Alignment.center,
      children: [
        CircleAvatar(
          radius: kAvatarSize / 2,
          child: ClipOval(
            child: CachedAPIImage(
              account: account,
              cacheKey: 'avatar-${account.id}-$size',
              download: () async => account.client.core.getAvatar(
                userId: account.username,
                size: size,
              ),
            ),
          ),
        ),
        StandardRxResultBuilder<UserStatusBloc, UserStatus?>(
          bloc: RxBlocProvider.of<AccountsBloc>(context).getUserStatusBloc(account),
          state: (final bloc) => bloc.userStatus,
          builder: (
            final context,
            final userStatusData,
            final userStatusError,
            final userStatusLoading,
            final _,
          ) =>
              SizedBox(
            height: kAvatarSize,
            width: kAvatarSize,
            child: Align(
              alignment: Alignment.bottomRight,
              child: Container(
                height: kAvatarSize / 3,
                width: kAvatarSize / 3,
                decoration: userStatusLoading || userStatusError != null || userStatusData == null
                    ? null
                    : BoxDecoration(
                        shape: BoxShape.circle,
                        color: _userStatusToColor(userStatusData),
                        border: userStatusData.status != UserStatusType.offline &&
                                userStatusData.status != UserStatusType.invisible
                            ? Border.all(
                                color: Theme.of(context).colorScheme.onPrimary,
                              )
                            : null,
                      ),
                child: userStatusLoading
                    ? CircularProgressIndicator(
                        strokeWidth: 1.5,
                        color: Theme.of(context).colorScheme.onPrimary,
                      )
                    : userStatusError != null && (userStatusError is! ApiException || userStatusError.statusCode != 404)
                        ? const Icon(
                            Icons.error_outline,
                            size: kAvatarSize / 3,
                            color: Colors.red,
                          )
                        : null,
              ),
            ),
          ),
        ),
      ],
    );
  }

  Color _userStatusToColor(final UserStatus userStatus) {
    switch (userStatus.status) {
      case UserStatusType.online:
        return const Color(0xFF49B382);
      case UserStatusType.away:
        return const Color(0xFFF4A331);
      case UserStatusType.dnd:
        return const Color(0xFFED484C);
      default:
        return Colors.transparent;
    }
  }
}