import 'package:get/get.dart';
import 'package:marco/helpers/services/api_service.dart';
import 'package:marco/helpers/services/app_logger.dart';
import 'package:marco/model/expense/expense_list_model.dart';

class ExpenseDetailController extends GetxController {
  final Rx<ExpenseModel?> expense = Rx<ExpenseModel?>(null);
  final RxBool isLoading = false.obs;
  final RxString errorMessage = ''.obs;

  /// Fetch expense details by ID
  Future<void> fetchExpenseDetails(String expenseId) async {
    isLoading.value = true;
    errorMessage.value = '';

    try {
      logSafe("Fetching expense details for ID: $expenseId");

      final result = await ApiService.getExpenseDetailsApi(expenseId: expenseId);
      if (result != null) {
        try {
          expense.value = ExpenseModel.fromJson(result);
          logSafe("Expense details loaded successfully: ${expense.value?.id}");
        } catch (e) {
          errorMessage.value = 'Failed to parse expense details: $e';
          logSafe("Parse error in fetchExpenseDetails: $e",
              level: LogLevel.error);
        }
      } else {
        errorMessage.value = 'Failed to fetch expense details from server.';
        logSafe("fetchExpenseDetails failed: null response",
            level: LogLevel.error);
      }
    } catch (e, stack) {
      errorMessage.value = 'An unexpected error occurred.';
      logSafe("Exception in fetchExpenseDetails: $e", level: LogLevel.error);
      logSafe("StackTrace: $stack", level: LogLevel.debug);
    } finally {
      isLoading.value = false;
    }
  }

  /// Update status for this specific expense
  Future<bool> updateExpenseStatus(String expenseId, String statusId) async {
    isLoading.value = true;
    errorMessage.value = '';
    try {
      logSafe("Updating status for expense: $expenseId -> $statusId");
      final success = await ApiService.updateExpenseStatusApi(
        expenseId: expenseId,
        statusId: statusId,
      );
      if (success) {
        logSafe("Expense status updated successfully.");
        await fetchExpenseDetails(expenseId); // Refresh details
        return true;
      } else {
        errorMessage.value = "Failed to update expense status.";
        return false;
      }
    } catch (e, stack) {
      errorMessage.value = 'An unexpected error occurred.';
      logSafe("Exception in updateExpenseStatus: $e", level: LogLevel.error);
      logSafe("StackTrace: $stack", level: LogLevel.debug);
      return false;
    } finally {
      isLoading.value = false;
    }
  }
}