dating_touchme_app/lib/controller/discover/visitor_controller.dart

// controllers/visitor_controller.dart
import 'package:easy_refresh/easy_refresh.dart';
import 'package:get/get.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import '../../model/discover/visitor_model.dart';

class VisitorController extends GetxController {
  // 访客列表
  var visitors = <VisitorModel>[].obs;

  // Refresh controllers
  final EasyRefreshController refreshController = EasyRefreshController(
    controlFinishRefresh: true,
    controlFinishLoad: true,
  );
  // final RefreshController loadMoreController = RefreshController();

  // 分页参数
  var currentPage = 1.obs;
  final int pageSize = 15;
  var hasMore = true.obs;
  var isLoading = false.obs;

  @override
  void onInit() {
    super.onInit();
    _loadInitialData();
  }

  // 加载初始数据
  void _loadInitialData() async {
    isLoading.value = true;
    await Future.delayed(Duration(milliseconds: 800)); // 模拟网络延迟

    final initialVisitors = _generateMockData(1, pageSize);
    visitors.assignAll(initialVisitors);

    isLoading.value = false;
    hasMore.value = initialVisitors.length == pageSize;
  }

  // 下拉刷新
  void onRefresh() async {
    currentPage.value = 1;
    hasMore.value = true;

    await Future.delayed(Duration(milliseconds: 1000)); // 模拟网络延迟

    final newVisitors = _generateMockData(1, pageSize);
    visitors.assignAll(newVisitors);

    refreshController.finishRefresh();
    refreshController.resetFooter();
    hasMore.value = newVisitors.length == pageSize;

    if (newVisitors.isEmpty) {
      hasMore.value = false;
    }
  }

  // 上拉加载更多
  void onLoadMore() async {
    print('onLoadMore');
    if (!hasMore.value) {
      return;
    }

    currentPage.value++;

    await Future.delayed(Duration(milliseconds: 800)); // 模拟网络延迟

    final newVisitors = _generateMockData(currentPage.value, pageSize);

    if (newVisitors.isEmpty) {
      hasMore.value = false;
      refreshController.finishLoad(IndicatorResult.noMore);
    } else {
      visitors.addAll(newVisitors);
      // hasMore.value = true;
      refreshController.finishLoad(IndicatorResult.success);
    }
  }

  // 删除访客
  void deleteVisitor(String visitorId) {
    // visitors.removeWhere((visitor) => visitor.id == visitorId);
    Get.snackbar('成功', '已删除访客记录');
  }

  // 清空所有访客记录
  void clearAllVisitors() {
    visitors.clear();
    Get.snackbar('成功', '已清空所有访客记录');
  }

  // 获取今日访客数量
  int get todayVisitorsCount {
    return visitors.length;
  }

  // 获取在线访客数量
  int get onlineVisitorsCount {
    return visitors.length;
  }

  // 模拟数据生成
  List<VisitorModel> _generateMockData(int page, int size) {
    if (page > 3) return []; // 模拟只有3页数据

    final names = [
      '张三', '李四', '王五', '赵六', '钱七', '孙八', '周九', '吴十',
      '小明', '小红', '小刚', '小花', '大山', '小云', '星辰', '大海'
    ];

    final avatars = [
      'https://randomuser.me/api/portraits/men/1.jpg',
      'https://randomuser.me/api/portraits/women/1.jpg',
      'https://randomuser.me/api/portraits/men/2.jpg',
      'https://randomuser.me/api/portraits/women/2.jpg',
      'https://randomuser.me/api/portraits/men/3.jpg',
      'https://randomuser.me/api/portraits/women/3.jpg',
      'https://randomuser.me/api/portraits/men/4.jpg',
      'https://randomuser.me/api/portraits/women/4.jpg',
    ];

    final pages = [
      '首页', '产品页', '关于我们', '博客', '联系方式', '服务页', '价格页', '案例页'
    ];

    final startIndex = (page - 1) * size;
    final endIndex = startIndex + size;

    return List.generate(size, (index) {
      final globalIndex = startIndex + index;
      final isOnline = globalIndex % 3 == 0; // 每3个有一个在线

      return VisitorModel(
        miId: 'visitor_${globalIndex + 1}',
        nickName: names[globalIndex % names.length],
        profilePhoto: avatars[globalIndex % avatars.length],
        visitTime: '2025-11-14 10:42:42',
        onlineStatus: 2,
        describeInfo: '阿萨德垃圾袋杰克伦敦撒娇克拉斯的健康拉屎的 金坷垃四大皆空拉屎的距离考试啊'
      );
    });
  }

  @override
  void onClose() {
    // refreshController.dispose();
    // loadMoreController.dispose();
    super.onClose();
  }
}