import 'base_form_value.dart';
import 'form_info.dart';

class PrenatalFollowupForm extends BaseFormValueChange {
  static PrenatalFollowupForm? _prenatalFollowupForm;

  PrenatalFollowupForm._internal();

  ///第 1 次产前检查服务记录表的值
  static PrenatalFollowupForm get instance {
    _prenatalFollowupForm ??= PrenatalFollowupForm._internal();
    return _prenatalFollowupForm!;
  }

  void initListener(int times) {
    FormInfo.instance.onValueChange.addListener(_onValueChange);
    Future.delayed(Duration(milliseconds: 300), () {
      if (times <= 3) {
        //第2、3次随访，不需要显示分娩准备、
        FormInfo.instance.onChangeTargetValue.emit(
          this,
          TargetFormArgs(
            "Guidance_Delivery_Preparation",
            isHidden: true,
          ),
        );
      }
      if (times == 2) {
        //第2次随访，不需要显示自我监测\母乳喂养
        FormInfo.instance.onChangeTargetValue.emit(
          this,
          TargetFormArgs(
            "Guidance_5",
            isHidden: true,
          ),
        );
        FormInfo.instance.onChangeTargetValue.emit(
          this,
          TargetFormArgs(
            "Guidance_Breast_Feeding",
            isHidden: true,
          ),
        );
      }
    });
  }

  void dispose() {
    FormInfo.instance.onValueChange.removeListener(_onValueChange);
  }

  void _onValueChange(Object sender, UpdateFormArgs e) {
    String sourceKey = e.sourceKey;
    switch (sourceKey) {
      case "Referral":
        onReferralChange(e);
    }
  }
}