// 2026-04-10 | HotController | 热门排行控制器 | 完全重写，使用HotItem模型
// 2026-04-13 | 新增rate评分排序选项
import 'package:flutter/foundation.dart';
import 'package:get/get.dart';
import 'package:mom_kitchen/src/controllers/base_controller.dart';
import 'package:mom_kitchen/src/repositories/hot_repository.dart' as repo;
import 'package:mom_kitchen/src/services/ui/toast_service.dart';

enum HotPeriod { today, month, total }

class HotController extends BaseController {
  final repo.HotRepository _hotRepository = repo.HotRepository();

  final Rx<HotPeriod> currentPeriod = Rx<HotPeriod>(HotPeriod.total);
  final Rx<String> currentSortBy = 'view'.obs;
  final RxList<repo.HotItem> hotList = RxList<repo.HotItem>([]);

  @override
  void onInit() {
    super.onInit();
    Future.delayed(Duration.zero, () => loadHot());
  }

  void switchPeriod(HotPeriod period) {
    if (currentPeriod.value == period) return;
    currentPeriod.value = period;
    loadHot();
  }

  void switchSortBy(String sortBy) {
    if (currentSortBy.value == sortBy) return;
    currentSortBy.value = sortBy;
    loadHot();
  }

  Future<void> loadHot() async {
    await runWithLoading(() async {
      try {
        final result = await _hotRepository.fetchMergedHotList(
          period: _periodToString(currentPeriod.value),
          sortBy: currentSortBy.value,
          limit: 20,
        );

        hotList.value = result;

        if (result.isEmpty) {
          ToastService.show(message: '暂无$periodName排行数据 📊');
        } else {
          ToastService.show(message: '已加载${result.length}条$periodName排行 🎉');
        }
      } catch (e) {
        debugPrint('HotController.loadHot error: $e');
        errorMessage.value = e.toString();

        String userMessage;
        if (e.toString().contains('SocketException')) {
          userMessage = '网络连接失败，请检查网络 🔌';
        } else if (e.toString().contains('TimeoutException')) {
          userMessage = '请求超时，请稍后重试 ⏰';
        } else {
          userMessage = '获取排行数据失败: $e';
        }

        ToastService.show(message: userMessage);
      }
    });
  }

  String _periodToString(HotPeriod period) {
    switch (period) {
      case HotPeriod.today:
        return 'today';
      case HotPeriod.month:
        return 'month';
      case HotPeriod.total:
        return 'total';
    }
  }

  String get periodName {
    switch (currentPeriod.value) {
      case HotPeriod.today:
        return '今日';
      case HotPeriod.month:
        return '本月';
      case HotPeriod.total:
        return '累计';
    }
  }

  String get sortByName {
    switch (currentSortBy.value) {
      case 'view':
        return '浏览量';
      case 'like':
        return '点赞数';
      case 'rate':
        return '评分';
      default:
        return '浏览量';
    }
  }

  static List<String> get periodNames => ['今日', '本月', '累计'];
  static List<String> get sortByNames => ['浏览量', '点赞数', '评分'];

  static String getSortByValue(String name) {
    switch (name) {
      case '浏览量':
        return 'view';
      case '点赞数':
        return 'like';
      case '评分':
        return 'rate';
      default:
        return 'view';
    }
  }
}