import 'dart:io' show Platform;
import 'package:chicken_farm/stores/auth_store.dart';
import 'package:chicken_farm/stores/menu_store.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';

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

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final authState = ref.watch(authStoreProvider);
    final authStore = ref.watch(authStoreProvider.notifier);

    final isSuperAdmin = authStore.isSuperAdmin();

    // 获取当前平台类型
    // 平台类型，0:所有平台，1:Android手机，2:Windows
    int currentPlatform = 0;
    if (Platform.isAndroid) {
      currentPlatform = 1;
    } else if (Platform.isWindows) {
      currentPlatform = 2;
    }

    // 根据权限和平台类型过滤菜单项
    final visibleMenuItems = MenuStore.menuItems.where((item) {
      // 平台过滤
      if (item.platform != 0 && item.platform != currentPlatform) {
        return false;
      }
      
      // 权限过滤
      if (isSuperAdmin) return true;
      if (item.permission == null) return true;
      return authState.permissions?.contains(item.permission) ?? false;
    }).toList();

    final screenWidth = MediaQuery.of(context).size.width;
    final buttonWidth = screenWidth * 0.8;

    return SingleChildScrollView(
      child: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            for (var i = 0; i < visibleMenuItems.length; i++) ...[
              SizedBox(
                width: buttonWidth,
                height: 50,
                child: ElevatedButton.icon(
                  onPressed: () {
                    Future.delayed(const Duration(milliseconds: 100), () {
                      if (context.mounted) {
                        context.pushNamed(visibleMenuItems[i].routeName);
                      }
                    });
                  },
                  icon: visibleMenuItems[i].icon != null
                      ? Icon(visibleMenuItems[i].icon)
                      : const SizedBox.shrink(),
                  label: Text(visibleMenuItems[i].name),
                ),
              ),
              if (i < visibleMenuItems.length - 1) const SizedBox(height: 20),
            ],
          ],
        ),
      ),
    );
  }
}