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={}]
  	 * @property {Object} [schema] asn1js parsed value
  	 */
  	constructor(parameters = {})
  	{
  		//region Internal properties of the object
  		/**
  		 * @type {string}
  		 * @description type
  		 */
  		this.type = getParametersValue(parameters, "type", AttributeTypeAndValue.defaultValues("type"));
  		/**
  		 * @type {Object}
  		 * @description 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 asn1js schema for current class
  	 * @param {Object} parameters Input parameters for the schema
  	 * @returns {Object} asn1js schema object
  	 */
  	static schema(parameters = {})
  	{
  		//AttributeTypeAndValue ::= Sequence {
  		//    type     AttributeType,
  		//    value    AttributeValue }
  		//
  		//AttributeType ::= OBJECT IDENTIFIER
  		//
  		//AttributeValue ::= ANY -- DEFINED BY AttributeType
  
  		/**
  		 * @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 || "") })
  			]
  		}));
  	}
  	//**********************************************************************************
  	/**
  	 * 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)
  	{
  		if(compareTo instanceof AttributeTypeAndValue)
  		{
  			if(this.type !== compareTo.type)
  				return false;
  			
  			// noinspection OverlyComplexBooleanExpressionJS
  			if(((this.value instanceof asn1js.Utf8String) && (compareTo.value instanceof asn1js.Utf8String)) ||
  				((this.value instanceof asn1js.BmpString) && (compareTo.value instanceof asn1js.BmpString)) ||
  				((this.value instanceof asn1js.UniversalString) && (compareTo.value instanceof asn1js.UniversalString)) ||
  				((this.value instanceof asn1js.NumericString) && (compareTo.value instanceof asn1js.NumericString)) ||
  				((this.value instanceof asn1js.PrintableString) && (compareTo.value instanceof asn1js.PrintableString)) ||
  				((this.value instanceof asn1js.TeletexString) && (compareTo.value instanceof asn1js.TeletexString)) ||
  				((this.value instanceof asn1js.VideotexString) && (compareTo.value instanceof asn1js.VideotexString)) ||
  				((this.value instanceof asn1js.IA5String) && (compareTo.value instanceof asn1js.IA5String)) ||
  				((this.value instanceof asn1js.GraphicString) && (compareTo.value instanceof asn1js.GraphicString)) ||
  				((this.value instanceof asn1js.VisibleString) && (compareTo.value instanceof asn1js.VisibleString)) ||
  				((this.value instanceof asn1js.GeneralString) && (compareTo.value instanceof asn1js.GeneralString)) ||
  				((this.value instanceof asn1js.CharacterString) && (compareTo.value instanceof asn1js.CharacterString)))
  			{
  				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;
  	}
  	//**********************************************************************************
  }
  //**************************************************************************************
  