import 'package:get/get.dart';
import 'package:on_field_work/helpers/services/app_logger.dart'; 
import 'package:on_field_work/helpers/services/api_service.dart';
import 'package:on_field_work/model/global_project_model.dart';
import 'package:on_field_work/helpers/services/storage/local_storage.dart';

class ProjectController extends GetxController {
  RxList<GlobalProjectModel> projects = <GlobalProjectModel>[].obs;
  RxString selectedProjectId = ''.obs;

  RxBool isProjectSelectionExpanded = false.obs;
  RxBool isProjectListExpanded = false.obs;
  RxBool isProjectDropdownExpanded = false.obs;

  RxBool isLoading = true.obs;
  RxBool isLoadingProjects = true.obs;

  RxMap<String, RxBool> uploadingStates = <String, RxBool>{}.obs;

  // --------------------------
  // Current selected project
  // --------------------------
  GlobalProjectModel? get selectedProject {
    if (selectedProjectId.value.isEmpty) return null;
    return projects.firstWhereOrNull((p) => p.id == selectedProjectId.value);
  }

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

  // --------------------------
  // Clear all projects & UI states
  // --------------------------
  void clearProjects() {
    projects.clear();
    selectedProjectId.value = '';
    isProjectSelectionExpanded.value = false;
    isProjectListExpanded.value = false;
    isProjectDropdownExpanded.value = false;
    isLoading.value = false;
    isLoadingProjects.value = false;
    uploadingStates.clear();

    LocalStorage.saveString('selectedProjectId', '');
    logSafe("Projects cleared and UI states reset.");
  }

  // --------------------------
  // Fetch projects from API
  // --------------------------
  Future<void> fetchProjects() async {
    isLoading.value = true;
    isLoadingProjects.value = true;

    try {
      final response = await ApiService.getGlobalProjects();

      if (response != null && response.isNotEmpty) {
        projects.assignAll(response.map((json) => GlobalProjectModel.fromJson(json)).toList());

        // Load previously saved project
        String? savedId = LocalStorage.getString('selectedProjectId');
        if (savedId != null && projects.any((p) => p.id == savedId)) {
          selectedProjectId.value = savedId;
        } else {
          selectedProjectId.value = projects.first.id.toString();
          LocalStorage.saveString('selectedProjectId', selectedProjectId.value);
        }

        logSafe("Projects fetched: ${projects.length}");
      } else {
        logSafe("No projects found or API call failed.", level: LogLevel.warning);
      }
    } catch (e, stack) {
      logSafe("Error fetching projects: $e", level: LogLevel.error, stackTrace: stack);
    } finally {
      isLoading.value = false;
      isLoadingProjects.value = false;
    }
  }

  Future<void> updateSelectedProject(String projectId) async {
    if (selectedProjectId.value == projectId) return;
    selectedProjectId.value = projectId;
    await LocalStorage.saveString('selectedProjectId', projectId);
    logSafe("Selected project updated to $projectId");
    isProjectSelectionExpanded.value = false;
    update(); 
  }
}