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package org.isda.cdm.validation.datarule;

import com.google.inject.ImplementedBy;
import com.rosetta.model.lib.annotations.RosettaDataRule;
import com.rosetta.model.lib.expression.CardinalityOperator;
import com.rosetta.model.lib.expression.ComparisonResult;
import com.rosetta.model.lib.mapper.MapperS;
import com.rosetta.model.lib.path.RosettaPath;
import com.rosetta.model.lib.validation.ValidationResult;
import com.rosetta.model.lib.validation.ValidationResult.ValidationType;
import com.rosetta.model.lib.validation.Validator;
import org.isda.cdm.NumberRepresentations;
import org.isda.cdm.StringRep;

import static com.rosetta.model.lib.expression.ExpressionOperators.*;

/**
 * @version test
 */
@RosettaDataRule("NumberRepresentationsForRootClass")
@ImplementedBy(NumberRepresentationsForRootClass.Default.class)
public interface NumberRepresentationsForRootClass extends Validator {
	
	String NAME = "NumberRepresentationsForRootClass";
	String DEFINITION = "if integer = 1 then string -> val = 'one'";
	
	ValidationResult validate(RosettaPath path, NumberRepresentations numberRepresentations);
	
	class Default implements NumberRepresentationsForRootClass {
	
		@Override
		public ValidationResult validate(RosettaPath path, NumberRepresentations numberRepresentations) {
			ComparisonResult result = executeDataRule(numberRepresentations);
			if (result.get()) {
				return ValidationResult.success(NAME, ValidationResult.ValidationType.DATA_RULE, "NumberRepresentations", path, DEFINITION);
			}
			
			String failureMessage = result.getError();
			if (failureMessage == null || failureMessage.contains("Null") || failureMessage == "") {
				failureMessage = "Condition has failed.";
			}
			return ValidationResult.failure(NAME, ValidationType.DATA_RULE, "NumberRepresentations", path, DEFINITION, failureMessage);
		}
		
		private ComparisonResult executeDataRule(NumberRepresentations numberRepresentations) {
			try {
				if (areEqual(MapperS.of(numberRepresentations).map("getInteger", _numberRepresentations -> _numberRepresentations.getInteger()), MapperS.of(1), CardinalityOperator.All).getOrDefault(false)) {
					return areEqual(MapperS.of(numberRepresentations).map("getString", _numberRepresentations -> _numberRepresentations.getString()).map("getVal", stringRep -> stringRep.getVal()), MapperS.of("one"), CardinalityOperator.All);
				}
				return ComparisonResult.successEmptyOperand("");
			}
			catch (Exception ex) {
				return ComparisonResult.failure(ex.getMessage());
			}
		}
	}
	
	@SuppressWarnings("unused")
	class NoOp implements NumberRepresentationsForRootClass {
	
		@Override
		public ValidationResult validate(RosettaPath path, NumberRepresentations numberRepresentations) {
			return ValidationResult.success(NAME, ValidationResult.ValidationType.DATA_RULE, "NumberRepresentations", path, DEFINITION);
		}
	}
}