part of '../async_action_button.dart';

class AsyncDialogAction extends StatefulWidget {
  final String confirmLabel;
  final AsyncActionCallback onConfirm;
  final String? cancelLabel;
  final AsyncErrorBuilder? errorBuilder;
  final ButtonStyle? confirmStyle;

  const AsyncDialogAction({
    required this.confirmLabel,
    required this.onConfirm,
    this.cancelLabel = 'Abbrechen',
    this.errorBuilder,
    this.confirmStyle,
    super.key,
  });

  @override
  State<AsyncDialogAction> createState() => _AsyncDialogActionState();
}

class _AsyncDialogActionState extends State<AsyncDialogAction> {
  final AsyncActionController _controller = AsyncActionController();

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) => AnimatedBuilder(
        animation: _controller,
        builder: (context, _) {
          final err = _controller.error;
          return Column(
            mainAxisSize: MainAxisSize.min,
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              if (err != null)
                Padding(
                  padding: const EdgeInsets.only(bottom: 8),
                  child: Text(
                    err,
                    textAlign: TextAlign.center,
                    style: TextStyle(color: Theme.of(context).colorScheme.error, fontSize: 13),
                  ),
                ),
              Row(
                mainAxisAlignment: MainAxisAlignment.end,
                children: [
                  if (widget.cancelLabel != null)
                    TextButton(
                      onPressed: _controller.busy ? null : () => Navigator.of(context).pop(),
                      child: Text(widget.cancelLabel!),
                    ),
                  TextButton(
                    style: widget.confirmStyle,
                    onPressed: _controller.busy
                        ? null
                        : () async {
                            final ok = await _controller.run(
                              widget.onConfirm,
                              errorBuilder: widget.errorBuilder,
                            );
                            if (ok && context.mounted) {
                              Navigator.of(context).pop(true);
                            }
                          },
                    child: _controller.busy
                        ? Row(
                            mainAxisSize: MainAxisSize.min,
                            children: [
                              AppProgressIndicator.small(
                                color: Theme.of(context).colorScheme.primary,
                              ),
                              const SizedBox(width: 8),
                              Text(widget.confirmLabel),
                            ],
                          )
                        : Text(widget.confirmLabel),
                  ),
                ],
              ),
            ],
          );
        },
      );
}