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 isDark = Theme.of(context).brightness == Brightness.dark;
    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-${account.id}-${isDark ? 'dark' : 'light'}$size',
              download: () async {
                if (isDark) {
                  return account.client.core.getDarkAvatar(
                    userId: account.username,
                    size: size,
                  );
                } else {
                  return account.client.core.getAvatar(
                    userId: account.username,
                    size: size,
                  );
                }
              },
            ),
          ),
        ),
        ResultBuilder<UserStatusBloc, NextcloudUserStatusStatus?>(
          stream: Provider.of<AccountsBloc>(context, listen: false).getUserStatusBloc(account).userStatus,
          builder: (final context, final userStatus) {
            final hasEmoji = userStatus.data?.icon != null;
            final factor = hasEmoji ? 2 : 3;
            return SizedBox(
              height: kAvatarSize,
              width: kAvatarSize,
              child: Align(
                alignment: Alignment.bottomRight,
                child: Container(
                  height: kAvatarSize / factor,
                  width: kAvatarSize / factor,
                  decoration: userStatus.loading || userStatus.error != null || userStatus.data == null || hasEmoji
                      ? null
                      : BoxDecoration(
                          shape: BoxShape.circle,
                          color: _userStatusToColor(userStatus.data!),
                        ),
                  child: userStatus.loading
                      ? CircularProgressIndicator(
                          strokeWidth: 1.5,
                          color: Theme.of(context).colorScheme.onPrimary,
                        )
                      : userStatus.error != null &&
                              (userStatus.error is! NextcloudApiException ||
                                  (userStatus.error! as NextcloudApiException).statusCode != 404)
                          ? Icon(
                              Icons.error_outline,
                              size: kAvatarSize / factor,
                              color: Colors.red,
                            )
                          : hasEmoji
                              ? Text(
                                  userStatus.data!.icon!,
                                  style: const TextStyle(
                                    fontSize: 16,
                                  ),
                                )
                              : null,
                ),
              ),
            );
          },
        ),
      ],
    );
  }

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