import 'package:get/get.dart';
import 'package:logger/logger.dart';
import 'package:marco/helpers/services/api_service.dart';
import 'package:marco/controller/project_controller.dart';

final Logger log = Logger();

class DashboardController extends GetxController {
  // Observables
  final RxList<Map<String, dynamic>> roleWiseData = <Map<String, dynamic>>[].obs;
  final RxBool isLoading = false.obs;
  final RxString selectedRange = '7D'.obs;
  final RxBool isChartView = true.obs;

  // Inject the ProjectController
  final ProjectController projectController = Get.find<ProjectController>();

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

    final selectedProjectIdRx = projectController.selectedProjectId;

    if (selectedProjectIdRx != null) {
      // Fix: explicitly cast and use ever<T> with non-nullable type
      ever<String>(selectedProjectIdRx, (id) {
        if (id.isNotEmpty) {
          fetchRoleWiseAttendance();
        }
      });

      // Initial load if already has value
      if (selectedProjectIdRx.value.isNotEmpty) {
        fetchRoleWiseAttendance();
      }
    } else {
      log.w('selectedProjectId observable is null in ProjectController.');
    }

    ever(selectedRange, (_) {
      fetchRoleWiseAttendance();
    });
  }

  int get rangeDays => _getDaysFromRange(selectedRange.value);

  int _getDaysFromRange(String range) {
    switch (range) {
      case '15D':
        return 15;
      case '30D':
        return 30;
      case '7D':
      default:
        return 7;
    }
  }

  void updateRange(String range) {
    selectedRange.value = range;
  }

  void toggleChartView(bool isChart) {
    isChartView.value = isChart;
  }

  Future<void> refreshDashboard() async {
    await fetchRoleWiseAttendance();
  }

  Future<void> fetchRoleWiseAttendance() async {
    final String? projectId = projectController.selectedProjectId?.value;

    if (projectId == null || projectId.isEmpty) {
      log.w('Project ID is null or empty, skipping API call.');
      return;
    }

    try {
      isLoading.value = true;

      final List<dynamic>? response =
          await ApiService.getDashboardAttendanceOverview(projectId, rangeDays);

      if (response != null) {
        roleWiseData.value =
            response.map((e) => Map<String, dynamic>.from(e)).toList();
        log.i('Attendance overview fetched successfully.');
      } else {
        log.e('Failed to fetch attendance overview: response is null.');
        roleWiseData.clear();
      }
    } catch (e, st) {
      log.e('Error fetching attendance overview', error: e, stackTrace: st);
      roleWiseData.clear();
    } finally {
      isLoading.value = false;
    }
  }
}