import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../core/app_colors.dart';
import '../../widgets/admin_drawer.dart';
import '../../widgets/backoffice_ui.dart';
import 'admin_doctors_page.dart';
import 'admin_patients_page.dart';

final adminPageProvider = NotifierProvider<AdminPageNotifier, String>(
  AdminPageNotifier.new,
);

class AdminPageNotifier extends Notifier<String> {
  @override
  String build() => 'doctors';
  void set(String page) => state = page;
}

class AdminHomePage extends ConsumerWidget {
  const AdminHomePage({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final page = ref.watch(adminPageProvider);

    return Scaffold(
      backgroundColor: AppColors.pageGrey,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        title: Text(
          page == 'patients' ? '患者管理' : '医生管理',
          style: TextStyle(color: AppColors.textPrimary),
        ),
        iconTheme: const IconThemeData(color: AppColors.textPrimary),
      ),
      drawer: const AdminDrawer(),
      body: BackofficeSurface(
        child: switch (page) {
          'doctors' => const AdminDoctorsPage(),
          'patients' => const AdminPatientsPage(),
          _ => const AdminDoctorsPage(),
        },
      ),
    );
  }
}