text: import * as asn1js from "asn1js";
  import { getParametersValue, clearProps } from "pvutils";
  import OriginatorIdentifierOrKey from "./OriginatorIdentifierOrKey.js";
  import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
  import RecipientEncryptedKeys from "./RecipientEncryptedKeys.js";
  import Certificate from "./Certificate.js";
  //**************************************************************************************
  /**
   * Class from RFC5652
   */
  export default class KeyAgreeRecipientInfo
  {
  	//**********************************************************************************
  	/**
  	 * Constructor for KeyAgreeRecipientInfo class
  	 * @param {Object} [parameters={}]
  	 * @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
  	 */
  	constructor(parameters = {})
  	{
  		//region Internal properties of the object
  		/**
  		 * @type {number}
  		 * @desc version
  		 */
  		this.version = getParametersValue(parameters, "version", KeyAgreeRecipientInfo.defaultValues("version"));
  		/**
  		 * @type {OriginatorIdentifierOrKey}
  		 * @desc originator
  		 */
  		this.originator = getParametersValue(parameters, "originator", KeyAgreeRecipientInfo.defaultValues("originator"));
  
  		if("ukm" in parameters)
  			/**
  			 * @type {OctetString}
  			 * @desc ukm
  			 */
  			this.ukm = getParametersValue(parameters, "ukm", KeyAgreeRecipientInfo.defaultValues("ukm"));
  
  		/**
  		 * @type {AlgorithmIdentifier}
  		 * @desc keyEncryptionAlgorithm
  		 */
  		this.keyEncryptionAlgorithm = getParametersValue(parameters, "keyEncryptionAlgorithm", KeyAgreeRecipientInfo.defaultValues("keyEncryptionAlgorithm"));
  		/**
  		 * @type {RecipientEncryptedKeys}
  		 * @desc recipientEncryptedKeys
  		 */
  		this.recipientEncryptedKeys = getParametersValue(parameters, "recipientEncryptedKeys", KeyAgreeRecipientInfo.defaultValues("recipientEncryptedKeys"));
  		/**
  		 * @type {Certificate}
  		 * @desc recipientCertificate For some reasons we need to store recipient's certificate here
  		 */
  		this.recipientCertificate = getParametersValue(parameters, "recipientCertificate", KeyAgreeRecipientInfo.defaultValues("recipientCertificate"));
  		//endregion
  
  		//region If input argument array contains "schema" for this object
  		if("schema" in parameters)
  			this.fromSchema(parameters.schema);
  		//endregion
  	}
  	//**********************************************************************************
  	/**
  	 * Return default values for all class members
  	 * @param {string} memberName String name for a class member
  	 */
  	static defaultValues(memberName)
  	{
  		switch(memberName)
  		{
  			case "version":
  				return 0;
  			case "originator":
  				return new OriginatorIdentifierOrKey();
  			case "ukm":
  				return new asn1js.OctetString();
  			case "keyEncryptionAlgorithm":
  				return new AlgorithmIdentifier();
  			case "recipientEncryptedKeys":
  				return new RecipientEncryptedKeys();
  			case "recipientCertificate":
  				return new Certificate();
  			default:
  				throw new Error(`Invalid member name for KeyAgreeRecipientInfo class: ${memberName}`);
  		}
  	}
  	//**********************************************************************************
  	/**
  	 * Compare values with default values for all class members
  	 * @param {string} memberName String name for a class member
  	 * @param {*} memberValue Value to compare with default value
  	 */
  	static compareWithDefault(memberName, memberValue)
  	{
  		switch(memberName)
  		{
  			case "version":
  				return (memberValue === 0);
  			case "originator":
  				return ((memberValue.variant === (-1)) && (("value" in memberValue) === false));
  			case "ukm":
  				return (memberValue.isEqual(KeyAgreeRecipientInfo.defaultValues("ukm")));
  			case "keyEncryptionAlgorithm":
  				return ((memberValue.algorithmId === "") && (("algorithmParams" in memberValue) === false));
  			case "recipientEncryptedKeys":
  				return (memberValue.encryptedKeys.length === 0);
  			case "recipientCertificate":
  				return false; // For now leave it as is
  			default:
  				throw new Error(`Invalid member name for KeyAgreeRecipientInfo class: ${memberName}`);
  		}
  	}
  	//**********************************************************************************
  	/**
  	 * Return value of pre-defined ASN.1 schema for current class
  	 *
  	 * ASN.1 schema:
  	 * ```asn1
  	 * KeyAgreeRecipientInfo ::= SEQUENCE {
  	 *    version CMSVersion,  -- always set to 3
  	 *    originator [0] EXPLICIT OriginatorIdentifierOrKey,
  	 *    ukm [1] EXPLICIT UserKeyingMaterial OPTIONAL,
  	 *    keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
  	 *    recipientEncryptedKeys RecipientEncryptedKeys }
  	 * ```
  	 *
  	 * @param {Object} parameters Input parameters for the schema
  	 * @returns {Object} asn1js schema object
  	 */
  	static schema(parameters = {})
  	{
  		/**
  		 * @type {Object}
  		 * @property {string} [blockName]
  		 * @property {string} [version]
  		 * @property {string} [originator]
  		 * @property {string} [ukm]
  		 * @property {string} [keyEncryptionAlgorithm]
  		 * @property {string} [recipientEncryptedKeys]
  		 */
  		const names = getParametersValue(parameters, "names", {});
  
  		return (new asn1js.Sequence({
  			name: names.blockName || "",
  			value: [
  				new asn1js.Integer({ name: names.version || "" }),
  				new asn1js.Constructed({
  					idBlock: {
  						tagClass: 3, // CONTEXT-SPECIFIC
  						tagNumber: 0 // [0]
  					},
  					value: [
  						OriginatorIdentifierOrKey.schema(names.originator || {})
  					]
  				}),
  				new asn1js.Constructed({
  					optional: true,
  					idBlock: {
  						tagClass: 3, // CONTEXT-SPECIFIC
  						tagNumber: 1 // [1]
  					},
  					value: [new asn1js.OctetString({ name: names.ukm || "" })]
  				}),
  				AlgorithmIdentifier.schema(names.keyEncryptionAlgorithm || {}),
  				RecipientEncryptedKeys.schema(names.recipientEncryptedKeys || {})
  			]
  		}));
  	}
  	//**********************************************************************************
  	/**
  	 * Convert parsed asn1js object into current class
  	 * @param {!Object} schema
  	 */
  	fromSchema(schema)
  	{
  		//region Clear input data first
  		clearProps(schema, [
  			"version",
  			"originator",
  			"ukm",
  			"keyEncryptionAlgorithm",
  			"recipientEncryptedKeys"
  		]);
  		//endregion
  		
  		//region Check the schema is valid
  		const asn1 = asn1js.compareSchema(schema,
  			schema,
  			KeyAgreeRecipientInfo.schema({
  				names: {
  					version: "version",
  					originator: {
  						names: {
  							blockName: "originator"
  						}
  					},
  					ukm: "ukm",
  					keyEncryptionAlgorithm: {
  						names: {
  							blockName: "keyEncryptionAlgorithm"
  						}
  					},
  					recipientEncryptedKeys: {
  						names: {
  							blockName: "recipientEncryptedKeys"
  						}
  					}
  				}
  			})
  		);
  
  		if(asn1.verified === false)
  			throw new Error("Object's schema was not verified against input data for KeyAgreeRecipientInfo");
  		//endregion
  
  		//region Get internal properties from parsed schema
  		this.version = asn1.result.version.valueBlock.valueDec;
  		this.originator = new OriginatorIdentifierOrKey({ schema: asn1.result.originator });
  
  		if("ukm" in asn1.result)
  			this.ukm = asn1.result.ukm;
  
  		this.keyEncryptionAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.keyEncryptionAlgorithm });
  		this.recipientEncryptedKeys = new RecipientEncryptedKeys({ schema: asn1.result.recipientEncryptedKeys });
  		//endregion
  	}
  	//**********************************************************************************
  	/**
  	 * Convert current object to asn1js object and set correct values
  	 * @returns {Object} asn1js object
  	 */
  	toSchema()
  	{
  		//region Create array for final sequence
  		const outputArray = [];
  
  		outputArray.push(new asn1js.Integer({ value: this.version }));
  		outputArray.push(new asn1js.Constructed({
  			idBlock: {
  				tagClass: 3, // CONTEXT-SPECIFIC
  				tagNumber: 0 // [0]
  			},
  			value: [this.originator.toSchema()]
  		}));
  
  		if("ukm" in this)
  		{
  			outputArray.push(new asn1js.Constructed({
  				optional: true,
  				idBlock: {
  					tagClass: 3, // CONTEXT-SPECIFIC
  					tagNumber: 1 // [1]
  				},
  				value: [this.ukm]
  			}));
  		}
  
  		outputArray.push(this.keyEncryptionAlgorithm.toSchema());
  		outputArray.push(this.recipientEncryptedKeys.toSchema());
  		//endregion
  
  		//region Construct and return new ASN.1 schema for this object
  		return (new asn1js.Sequence({
  			value: outputArray
  		}));
  		//endregion
  	}
  	//**********************************************************************************
  	/**
  	 * Convertion for the class to JSON object
  	 * @returns {Object}
  	 */
  	toJSON()
  	{
  		const _object = {
  			version: this.version,
  			originator: this.originator.toJSON()
  		};
  
  		if("ukm" in this)
  			_object.ukm = this.ukm.toJSON();
  
  		_object.keyEncryptionAlgorithm = this.keyEncryptionAlgorithm.toJSON();
  		_object.recipientEncryptedKeys = this.recipientEncryptedKeys.toJSON();
  
  		return _object;
  	}
  	//**********************************************************************************
  }
  //**************************************************************************************
  