dating_touchme_app/lib/controller/home/timeline_controller.dart

import 'package:dating_touchme_app/model/home/marriage_data.dart';
import 'package:dating_touchme_app/network/home_api.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';

import '../../model/home/post_data.dart';

class TimelineController extends GetxController {
  // 推荐列表数据
  final recommendFeed = <MarriageData>[].obs;
  // 同城列表数据
  final nearbyFeed = <MarriageData>[].obs;

  // 推荐列表的加载状态和分页信息
  final recommendIsLoading = false.obs;
  final recommendPage = 1.obs;
  final recommendHasMore = true.obs;

  // 同城列表的加载状态和分页信息
  final nearbyIsLoading = false.obs;
  final nearbyPage = 1.obs;
  final nearbyHasMore = true.obs;

  // 当前标签页索引
  final selectedTabIndex = 0.obs;

  final topTab = 0.obs;

  final timelineTab = 0.obs;

  // 分页大小
  final pageSize = 10;

  // 从GetX依赖注入中获取HomeApi实例
  late final HomeApi _homeApi;

  final page = 1.obs;
  final size = 10.obs;

  final hasMore = true.obs;

  final postList = <Records>[].obs;

  @override
  void onInit() {
    super.onInit();
    // 从全局依赖中获取HomeApi
    _homeApi = Get.find<HomeApi>();
    loadPostList();
  }

  loadPostList() async {
    if (recommendIsLoading.value || !recommendHasMore.value) return;
    try{
      recommendIsLoading.value = true;
      final response = await _homeApi.userPagePost(
          pageNum: page.value,
          pageSize: size.value,
      );
      if (response.data.isSuccess && response.data.data != null) {
        final data = response.data.data?.records ?? [];

        postList.addAll(data.toList());
        if((data.length ?? 0) == size.value){
          hasMore.value = true;
        } else {
          hasMore.value = false;
        }
      } else {

        // 响应失败，抛出异常
        throw Exception(response.data.message ?? '获取数据失败');
      }
    } catch(e) {
      print('帖子列表获取失败: $e');
      SmartDialog.showToast('帖子列表获取失败');
      rethrow;
    } finally {

      recommendIsLoading.value = false;
    }
  }

  /// 设置当前标签页
  void setSelectedTabIndex(int index) {
    print('Setting selected tab index to: $index');
    selectedTabIndex.value = index;
    // 确保UI能够更新
    update();
  }


  void setTopTab(int index) {
    print('Setting selected tab index to: $index');
    topTab.value = index;
    // 确保UI能够更新
    update();
  }

  void setTimelineTab(int index) {
    print('Setting selected tab index to: $index');
    timelineTab.value = index;
    // 确保UI能够更新
    update();
  }

  /// 获取当前标签页的列表数据
  List<MarriageData> getFeedListByTab(int tabIndex) {
    return tabIndex == 0 ? List.from(recommendFeed) : List.from(nearbyFeed);
  }

  /// 私有方法：获取婚姻数据（统一的数据获取逻辑）
  /// 返回包含records（数据列表）、current（当前页）、pages（总页数）的Map
  Future<Map<String, dynamic>> _fetchMarriageData({
    required int pageNum,
    required int type,
  }) async {
    try {
      print('_fetchMarriageData - pageNum: $pageNum, pageSize: $pageSize, type: $type');
      // 调用API获取数据
      var response = await _homeApi.getMarriageList(
        pageNum: pageNum,
        pageSize: pageSize,
        type: type,
      );

      if (response.data.isSuccess) {
        final paginatedData = response.data.data;

        // 检查data是否为空
        if (paginatedData == null) {
          return {
            'records': <MarriageData>[],
            'current': pageNum,
            'pages': 1,
            'total': 0,
            'size': pageSize,
          };
        }

        // data 是 PaginatedResponse<dynamic>，直接使用其属性
        // records 中的每个项是 dynamic，需要转换为 MarriageData
        final allRecords = paginatedData.records
            .map((item) => MarriageData.fromJson(item as Map<String, dynamic>))
            .toList();

        // 过滤掉直播类型的项
        final records = allRecords.where((item) => !item.isLive).toList();

        print('_fetchMarriageData 返回 - 请求页码: $pageNum, 返回当前页: ${paginatedData.current}, 总页数: ${paginatedData.pages}, 原始记录数: ${allRecords.length}, 过滤后记录数: ${records.length}');

        return {
          'records': records,
          'current': paginatedData.current,
          'pages': paginatedData.pages,
          'total': paginatedData.total,
          'size': paginatedData.size,
        };
      } else {
        // 响应失败，抛出异常
        throw Exception(response.data.message);
      }
    } catch (e) {
      // 向上抛出异常，让调用方处理
      rethrow;
    }
  }

  /// 私有方法：统一的错误处理
  void _handleError(String logMessage, dynamic error, String toastMessage) {
    // 打印错误日志
    print('$logMessage: $error');
    // 显示错误提示
    SmartDialog.showToast(toastMessage);
  }
}