text: import * as asn1js from "asn1js";
  import { getParametersValue, isEqualBuffer, clearProps } from "pvutils";
  import { stringPrep } from "./common.js";
  //**************************************************************************************
  /**
   * Class from RFC5280
   */
  export default class AttributeTypeAndValue
  {
  	//**********************************************************************************
  	/**
  	 * Constructor for AttributeTypeAndValue 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 {string}
  		 * @desc type
  		 */
  		this.type = getParametersValue(parameters, "type", AttributeTypeAndValue.defaultValues("type"));
  		/**
  		 * @type {Object}
  		 * @desc Value of the AttributeTypeAndValue class
  		 */
  		this.value = getParametersValue(parameters, "value", AttributeTypeAndValue.defaultValues("value"));
  		//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 "type":
  				return "";
  			case "value":
  				return {};
  			default:
  				throw new Error(`Invalid member name for AttributeTypeAndValue class: ${memberName}`);
  		}
  	}
  	//**********************************************************************************
  	/**
  	 * Return value of pre-defined ASN.1 schema for current class
  	 *
  	 * ASN.1 schema:
  	 * ```asn1
  	 * AttributeTypeAndValue ::= Sequence {
  	 *    type     AttributeType,
  	 *    value    AttributeValue }
  	 *
  	 * AttributeType ::= OBJECT IDENTIFIER
  	 *
  	 * AttributeValue ::= ANY -- DEFINED BY AttributeType
  	 * ```
  	 *
  	 * @param {Object} parameters Input parameters for the schema
  	 * @returns {Object} asn1js schema object
  	 */
  	static schema(parameters = {})
  	{
  		/**
  		 * @type {Object}
  		 * @property {string} [blockName] Name for entire block
  		 * @property {string} [type] Name for "type" element
  		 * @property {string} [value] Name for "value" element
  		 */
  		const names = getParametersValue(parameters, "names", {});
  
  		return (new asn1js.Sequence({
  			name: (names.blockName || ""),
  			value: [
  				new asn1js.ObjectIdentifier({ name: (names.type || "") }),
  				new asn1js.Any({ name: (names.value || "") })
  			]
  		}));
  	}
  	//**********************************************************************************
  	static blockName()
  	{
  		return "AttributeTypeAndValue";
  	}
  	//**********************************************************************************
  	/**
  	 * Convert parsed asn1js object into current class
  	 * @param {!Object} schema
  	 */
  	fromSchema(schema)
  	{
  		//region Clear input data first
  		clearProps(schema, [
  			"type",
  			"typeValue"
  		]);
  		//endregion
  		
  		//region Check the schema is valid
  		const asn1 = asn1js.compareSchema(schema,
  			schema,
  			AttributeTypeAndValue.schema({
  				names: {
  					type: "type",
  					value: "typeValue"
  				}
  			})
  		);
  
  		if(asn1.verified === false)
  			throw new Error("Object's schema was not verified against input data for AttributeTypeAndValue");
  		//endregion
  
  		//region Get internal properties from parsed schema
  		this.type = asn1.result.type.valueBlock.toString();
  		// noinspection JSUnresolvedVariable
  		this.value = asn1.result.typeValue;
  		//endregion
  	}
  	//**********************************************************************************
  	/**
  	 * Convert current object to asn1js object and set correct values
  	 * @returns {Object} asn1js object
  	 */
  	toSchema()
  	{
  		//region Construct and return new ASN.1 schema for this object
  		return (new asn1js.Sequence({
  			value: [
  				new asn1js.ObjectIdentifier({ value: this.type }),
  				this.value
  			]
  		}));
  		//endregion
  	}
  	//**********************************************************************************
  	/**
  	 * Convertion for the class to JSON object
  	 * @returns {Object}
  	 */
  	toJSON()
  	{
  		const _object = {
  			type: this.type
  		};
  
  		if(Object.keys(this.value).length !== 0)
  			_object.value = this.value.toJSON();
  		else
  			_object.value = this.value;
  
  		return _object;
  	}
  	//**********************************************************************************
  	/**
  	 * Compare two AttributeTypeAndValue values, or AttributeTypeAndValue with ArrayBuffer value
  	 * @param {(AttributeTypeAndValue|ArrayBuffer)} compareTo The value compare to current
  	 * @returns {boolean}
  	 */
  	isEqual(compareTo)
  	{
  		const stringBlockNames = [
  			asn1js.Utf8String.blockName(),
  			asn1js.BmpString.blockName(),
  			asn1js.UniversalString.blockName(),
  			asn1js.NumericString.blockName(),
  			asn1js.PrintableString.blockName(),
  			asn1js.TeletexString.blockName(),
  			asn1js.VideotexString.blockName(),
  			asn1js.IA5String.blockName(),
  			asn1js.GraphicString.blockName(),
  			asn1js.VisibleString.blockName(),
  			asn1js.GeneralString.blockName(),
  			asn1js.CharacterString.blockName()
  		];
  
  		if(compareTo.constructor.blockName() === AttributeTypeAndValue.blockName())
  		{
  			if(this.type !== compareTo.type)
  				return false;
  
  			//region Check we do have both strings
  			let isString = false;
  			const thisName = this.value.constructor.blockName();
  
  			if(thisName === compareTo.value.constructor.blockName())
  			{
  				for(const name of stringBlockNames)
  				{
  					if(thisName === name)
  					{
  						isString = true;
  						break;
  					}
  				}
  			}
  			//endregion
  
  			if(isString)
  			{
  				const value1 = stringPrep(this.value.valueBlock.value);
  				const value2 = stringPrep(compareTo.value.valueBlock.value);
  
  				if(value1.localeCompare(value2) !== 0)
  					return false;
  			}
  			else // Comparing as two ArrayBuffers
  			{
  				if(isEqualBuffer(this.value.valueBeforeDecode, compareTo.value.valueBeforeDecode) === false)
  					return false;
  			}
  
  			return true;
  		}
  
  		if(compareTo instanceof ArrayBuffer)
  			return isEqualBuffer(this.value.valueBeforeDecode, compareTo);
  
  		return false;
  	}
  	//**********************************************************************************
  }
  //**************************************************************************************
  