define([
    "dojo/_base/declare",
    "dojo/Deferred",
    "url",
    "implab/safe",
    "./Cookie",
    "./ContentType",
    "implab/log/trace!"], function (declare, Deferred, url, safe, Cookie, ContentType, trace) {
    return declare([], {

        // http.IncommingMessage
        message: null,

        response: null,

        session: null,

        cookieFormat: "base64+json",
        _contentType: null,
        _container: null,
        _initialised: false,

        constructor: function (options) {
            safe.argumentNotNull(options, "options");
            safe.argumentNotNull(options.container, "options.container");
            this._container = options.container;

            trace.log("Request created");
        },

        init: function (message, response) {
            safe.argumentNotNull(message, "message");

            this.message = message;
            this.method = message.method;
            this.path = url.parse(message.url, true, true).pathname;

            this.response = response;

            this._initialised = true;
        },

        _checkInit: function () {
            if(!this._initialised){
                throw new Error("Request is not initialised. 'init' function should be called");
            }
        },

        getService: function (service) {
            return this._container.getService(service);
        },

        getContainer: function () {
            return this._container;
        },
        
        getRemoteAddress: function () {
            return this.message.socket.remoteAddress;
        },

        readAllText: function (encoding) {
            this._checkInit();
            if (!encoding)
                encoding = this.getContentType().parameters.charset || 'utf8';
            this.message.setEncoding(encoding);

            let d = new Deferred();

            let chunks = [];

            this.message.on('data', function (chunk) {
                chunks.push(chunk);
            });
            this.message.on('end', function () {
                d.resolve(chunks.join(''));
            });
            this.message.on('error', function (e) {
                d.reject(e);
            });
            return d;
        },

        header: function (name) {
            safe.argumentNotEmptyString(name, "name");
            this._checkInit();

            return this.message.headers[name.toLowerCase()];
        },

        getContentType: function () {
            this._checkInit();
            if (safe.isNull(this._contentType))
                this._contentType = ContentType.parse(this.header('Content-Type'));
            return this._contentType;
        },
        /** Возвращает значение печеньки из запроса.
         * @name Имя печеньки
         * @format Формат значения, например json+base64
         * @return Объект со значением печеньки
         */
        cookie: function (name, format) {
            safe.argumentNotEmptyString(name, "name");
            this._checkInit();

            if (!format)
                format = this.cookieFormat;

            if (safe.isNull(this._cookies)) {
                let cookiesHeader = this.header("Cookie");
                if (!safe.isNullOrEmptyString(cookiesHeader))
                    this._cookies = Cookie.parseHeaderValue(cookiesHeader);
                else
                    this._cookies = {};
            }

            let cookie = this._cookies[name];
            if (safe.isNull(cookie))
                return null;

            return cookie.decode(format);
        }
    });
});