import 'package:flutter/material.dart';

class CustomAppBar extends StatelessWidget implements PreferredSizeWidget {
  final String title;
  final List<Widget>? actions; // Optional actions (icons, buttons)
  final bool showBackButton;

  const CustomAppBar({
    super.key,
    required this.title,
    this.actions,
    this.showBackButton = false, // Default: No back button
  });

  @override
  Widget build(BuildContext context) {
    return AppBar(
      title: Text(title, style: const TextStyle(fontWeight: FontWeight.bold)),
      centerTitle: true,
      backgroundColor: Colors.blueAccent, // Customize color
      elevation: 4, // Shadow effect
      leading: showBackButton
          ? IconButton(
        icon: const Icon(Icons.arrow_back),
        onPressed: () => Navigator.pop(context), // Back navigation
      )
          : null,
      actions: actions,
    );
  }

  @override
  Size get preferredSize => const Size.fromHeight(56); // Standard AppBar height
}