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package cdm.product.template.validation.datarule;

import cdm.product.common.settlement.ResolvablePriceQuantity;
import cdm.product.template.AssetPayout;
import com.google.inject.ImplementedBy;
import com.rosetta.model.lib.annotations.RosettaDataRule;
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 static com.rosetta.model.lib.expression.ExpressionOperators.*;

/**
 * @version 5.0.1
 */
@RosettaDataRule("AssetPayoutQuantity")
@ImplementedBy(AssetPayoutQuantity.Default.class)
public interface AssetPayoutQuantity extends Validator {
	
	String NAME = "AssetPayoutQuantity";
	String DEFINITION = "priceQuantity exists";
	
	ValidationResult validate(RosettaPath path, AssetPayout assetPayout);
	
	class Default implements AssetPayoutQuantity {
	
		@Override
		public ValidationResult validate(RosettaPath path, AssetPayout assetPayout) {
			ComparisonResult result = executeDataRule(assetPayout);
			if (result.get()) {
				return ValidationResult.success(NAME, ValidationResult.ValidationType.DATA_RULE, "AssetPayout", path, DEFINITION);
			}
			
			String failureMessage = result.getError();
			if (failureMessage == null || failureMessage.contains("Null") || failureMessage == "") {
				failureMessage = "Condition has failed.";
			}
			return ValidationResult.failure(NAME, ValidationType.DATA_RULE, "AssetPayout", path, DEFINITION, failureMessage);
		}
		
		private ComparisonResult executeDataRule(AssetPayout assetPayout) {
			try {
				ComparisonResult result = exists(MapperS.of(assetPayout).map("getPriceQuantity", payoutBase -> payoutBase.getPriceQuantity()));
				return result.get() == null ? ComparisonResult.success() : result;
			}
			catch (Exception ex) {
				return ComparisonResult.failure(ex.getMessage());
			}
		}
	}
	
	@SuppressWarnings("unused")
	class NoOp implements AssetPayoutQuantity {
	
		@Override
		public ValidationResult validate(RosettaPath path, AssetPayout assetPayout) {
			return ValidationResult.success(NAME, ValidationResult.ValidationType.DATA_RULE, "AssetPayout", path, DEFINITION);
		}
	}
}