"use strict";
var _ = require('../../lodash'), PropertyList = require('./property-list').PropertyList, Header = require('./header').Header, E = '', CRLF = '\r\n', PROP_NAME = '_postman_propertyName', HeaderList;
_.inherit((
/**
* Contains a list of header elements
*
* @constructor
* @param {Object} parent
* @param {Header[]} headers
* @extends {PropertyList}
*/
HeaderList = function (parent, headers) {
    // this constructor is intended to inherit and as such the super constructor is required to be executed
    HeaderList.super_.call(this, Header, parent, headers);
}), PropertyList);
_.assign(HeaderList.prototype, /** @lends HeaderList.prototype */ {
    /**
     * Gets size of a list of headers excluding standard header prefix.
     *
     * @returns {Number}
     */
    contentSize: function () {
        if (!this.count()) {
            return 0;
        }
        var raw = this.reduce(function (acc, header) {
            // unparse header only if it has a valid key and is not disabled
            if (header && !header.disabled) {
                // *( header-field CRLF )
                acc += Header.unparseSingle(header) + CRLF;
            }
            return acc;
        }, E);
        return raw.length;
    }
});
_.assign(HeaderList, /** @lends HeaderList */ {
    /**
     * Defines the name of this property for internal use.
     * @private
     * @readOnly
     * @type {String}
     */
    _postman_propertyName: 'HeaderList',
    /**
     * Checks if the given object is a HeaderList
     *
     * @param {*} obj
     * @returns {Boolean}
     */
    isHeaderList: function (obj) {
        return Boolean(obj) && ((obj instanceof HeaderList) ||
            _.inSuperChain(obj.constructor, PROP_NAME, HeaderList._postman_propertyName));
    }
});
module.exports = {
    HeaderList: HeaderList
};