import 'package:flutter/material.dart';

class LoadingDialog {
  static void show(BuildContext context, {String? message}) {
    showDialog(
      context: context,
      barrierDismissible: false,
      builder: (BuildContext context) {
        return PopScope(
          canPop: false,
          child: AlertDialog(
            backgroundColor: Colors.transparent,
            elevation: 0,
            content: _buildLoadingContent(context, message),
          ),
        );
      },
    );
  }

  static void hide(BuildContext context) {
    Navigator.of(context, rootNavigator: true).pop();
  }

  static Widget _buildLoadingContent(BuildContext context, String? message) {
    final colors = Theme.of(context).colorScheme;

    return Container(
      padding: EdgeInsets.all(20),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(12),
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          CircularProgressIndicator(
            valueColor: AlwaysStoppedAnimation<Color>(colors.primary),
            strokeWidth: 3,
          ),
          if (message != null) ...[
            SizedBox(height: 16),
            Text(
              message,
              style: TextStyle(fontSize: 14, color: Colors.grey[600]),
            ),
          ],
        ],
      ),
    );
  }
}