// lib/controllers/team_controller.dart
import 'dart:convert';
import 'package:get/get.dart';
import 'package:rogapp/model/team.dart';
import 'package:rogapp/model/category.dart';
import 'package:rogapp/model/user.dart';
import 'package:rogapp/services/api_service.dart';

class TeamController extends GetxController {
  late final ApiService _apiService;

  final teams = <Team>[].obs;
  final categories = <NewCategory>[].obs;
  final teamMembers = <User>[].obs;


  final selectedCategory = Rx<NewCategory?>(null);
  final selectedTeam = Rx<Team?>(null);
  final currentUser = Rx<User?>(null);

  final teamName = ''.obs;
  final isLoading = false.obs;
  final error = RxString('');

  @override
  void onInit() async{
    super.onInit();
    try {
      _apiService = Get.find<ApiService>();

    await fetchCategories();
    await Future.wait([
        fetchTeams(),
        getCurrentUser(),
      ]);

      print("selectedCategory=$selectedCategory.value");
      // カテゴリが取得できたら、最初のカテゴリを選択状態にする
      if (categories.isNotEmpty && selectedCategory.value == null) {
        selectedCategory.value = categories.first;
      }

    }catch(e){
      print("Team Controller error: $e");
      error.value = e.toString();
    }finally{
      isLoading.value = false;
    }

  }

  void setSelectedTeam(Team team) {
    selectedTeam.value = team;
    teamName.value = team.teamName;
    if (categories.isNotEmpty) {
      selectedCategory.value = categories.firstWhere(
            (category) => category.id == team.category.id,
        orElse: () => categories.first,
      );
    } else {
      // カテゴリリストが空の場合、teamのカテゴリをそのまま使用
      selectedCategory.value = team.category;
    }
    fetchTeamMembers(team.id);
  }

  void resetForm() {
    selectedTeam.value = null;
    teamName.value = '';
    selectedCategory.value = categories.isNotEmpty ? categories.first : null;
    teamMembers.clear();
  }

  Future<void> fetchTeams() async {
    try {
      isLoading.value = true;
      final fetchedTeams = await _apiService.getTeams();
      teams.assignAll(fetchedTeams);
    } catch (e) {
      error.value = 'チームの取得に失敗しました: $e';
      print('Error fetching teams: $e');
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> fetchCategories() async {
    try {
      final fetchedCategories = await _apiService.getCategories();
      categories.assignAll(fetchedCategories);
      print("Fetched categories: ${categories.length}");  // デバッグ用

    } catch (e) {
      print('Error fetching categories: $e');
    }
  }

  Future<void> getCurrentUser() async {
    try {
      final user = await _apiService.getCurrentUser();
      currentUser.value = user;
    } catch (e) {
      print('Error getting current user: $e');
    }
  }

  Future<Team> createTeam(String teamName, int categoryId) async {
    final newTeam = await _apiService.createTeam(teamName, categoryId);
    return newTeam;
  }

  Future<Team> updateTeam(int teamId, String teamName, int categoryId) async {
    // APIサービスを使用してチームを更新
    final updatedTeam = await _apiService.updateTeam(teamId, teamName, categoryId);
    return updatedTeam;
  }

  Future<void> deleteTeam(int teamId) async {
    try {
      await _apiService.deleteTeam(teamId);
      teams.removeWhere((team) => team.id == teamId);
    } catch (e) {
      print('Error deleting team: $e');
    }
  }

  Future<void> fetchTeamMembers(int teamId) async {
    try {
      final members = await _apiService.getTeamMembers(teamId);
      teamMembers.assignAll(members);
    } catch (e) {
      print('Error fetching team members: $e');
    }
  }

  void updateTeamName(String value) {
    teamName.value = value;
  }

  void updateCategory(NewCategory? value) {
    if (value != null) {
      selectedCategory.value = categories.firstWhere(
            (category) => category.id == value.id,
        orElse: () => value,
      );
    }
  }

  Future<void> saveTeam() async {
    try {
      isLoading.value = true;
      if (selectedCategory.value == null) {
        throw Exception('カテゴリを選択してください');
      }

      if (selectedTeam.value == null) {
        await createTeam(teamName.value, selectedCategory.value!.id);
      } else {
        await updateTeam(selectedTeam.value!.id, teamName.value, selectedCategory.value!.id);
      }

      // サーバーから最新のデータを再取得
      await fetchTeams();

      // 選択中のチームを更新
      if (selectedTeam.value != null) {
        selectedTeam.value = teams.firstWhere((t) => t.id == selectedTeam.value!.id);
        teamName.value = selectedTeam.value!.teamName;
        selectedCategory.value = selectedTeam.value!.category;
      }

      update();  // UIを強制的に更新
    } catch (e) {
      error.value = 'チームの保存に失敗しました: $e';
      print("Team save error: $e");
    } finally {
      isLoading.value = false;
    }
  }


  Future<void> deleteSelectedTeam() async {
    if (selectedTeam.value != null) {
      await deleteTeam(selectedTeam.value!.id);
      selectedTeam.value = null;
    }
  }

}