;( function () {
    //already loaded
    if(window.cpcsp_chrome_nmcades)
        return;

    var cpcsp_chrome_nmcades = {}

    function Print2Digit(digit)
    {
        return (digit<10) ? "0"+digit : digit;
    }

    function DateToUTCStr(d)
    {
        var ret = d.getUTCFullYear() + "-";
        ret = ret + Print2Digit(d.getUTCMonth() + 1) ;
        ret = ret + "-";
        ret = ret + Print2Digit(d.getUTCDate()) + "T";
        ret = ret + Print2Digit(d.getUTCHours()) + ":" + Print2Digit(d.getUTCMinutes()) + ":" + Print2Digit(d.getUTCSeconds()) + ".";
        var ms = d.getUTCMilliseconds();
        if(ms < 100)
        {
            if(ms < 10)
                ms = "00" + ms;
            else
                ms = "0" + ms;
        }
        ret = ret + ms + "Z";
        return ret;
    }

    function cpcsp_console_log(level, msg)
    {
        if (level <= cadesplugin.current_log_level){
            if (level == cadesplugin.LOG_LEVEL_DEBUG)
                console.log("DEBUG: %s", msg);
            if (level == cadesplugin.LOG_LEVEL_INFO)
                console.info("INFO: %s", msg);
            if (level == cadesplugin.LOG_LEVEL_ERROR)
                console.error("ERROR: %s", msg);
            return;
        }
    }

    function set_log_level(level)
    {
        cadesplugin.current_log_level = level;
        if (cadesplugin.current_log_level == cadesplugin.LOG_LEVEL_DEBUG)
            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "log_level = DEBUG");
        if (cadesplugin.current_log_level == cadesplugin.LOG_LEVEL_INFO)
            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "log_level = INFO");
        if (cadesplugin.current_log_level == cadesplugin.LOG_LEVEL_ERROR)
            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "log_level = ERROR");
    }

    function check_chrome_plugin(plugin_loaded, plugin_loaded_error)
    {
        cadesplugin.async_spawn(function*(args){
            try {
                var pluginObject = yield CreatePluginObject();
                var oAbout = yield pluginObject.CreateObjectAsync("CAdESCOM.About");
                cadesplugin.set(pluginObject);
                args[0]();
            } catch(err) {
                console.log(err);
                args[1]("Плагин недоступен");
            }
        }, plugin_loaded, plugin_loaded_error);

    }
    cpcsp_chrome_nmcades.check_chrome_plugin = check_chrome_plugin;

    //значения функций для обслуживания Promise
    var g_resolve_function = {};
    var g_reject_function = {};
    var g_request_id = 1;

    function Json_to_javascript(data)
    {
        if(data.retval.type == "object")
        {
            obj = {};
            obj['objid'] = data.retval.value;
            if(typeof data.retval.properties == "object")
            {
                var props = data.retval.properties;
                for(var i = 0; i < props.length; i++)
                {
                    //                Object.defineProperty(obj, props[i], {get : CallGetProperty.bind(obj, props[i]),
                    //                                                      set : CallSetProperty.bind(obj, props[i])});
                    Object.defineProperty(obj, props[i], {get : CallGetProperty.bind(obj, props[i])});
                    obj["propset_" + props[i]] = CallSetProperty.bind(obj, props[i]);
                }
            }
            if(typeof data.retval.methods == "object")
            {
                var methods = data.retval.methods;
                for(var i = 0; i < methods.length; i++)
                {
                    obj[methods[i]] = CallMethod.bind(obj, methods[i]);
                }

            }
            return obj;
        }
        if(data.retval.type == "string")
        {
            return data.retval.value;
        }
        if(data.retval.type == "number")
        {
            return parseInt(data.retval.value);
        }
        if(data.retval.type == "boolean")
        {
            return Boolean(data.retval.value);
        }
        if(data.retval.type == "OK")
        {
            return;
        }
    }

    function CallMethod(){
        //create message structure
        g_request_id++;
        args = new Array();
        var arg;
        for(var i = 1; i < arguments.length; i++)
        {
            if(typeof arguments[i] == "object")
            {
                if(arguments[i] instanceof Date)
                {
                    arg = {type: "string", value: DateToUTCStr(arguments[i])};
                    args.push(arg);
                    continue;
                }
                arg = {type: typeof arguments[i], value: arguments[i]["objid"]};
                args.push(arg);
                continue;
            }
            arg = {type: typeof arguments[i], value: arguments[i]};
            args.push(arg);
        }
        object_messsage = {destination:"nmcades", requestid: g_request_id, objid: this["objid"], method: arguments[0],
            params: args};
        cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Sent message:" + JSON.stringify(object_messsage));
        var requestPromise = new Promise ( function (resolve, reject) {
            g_resolve_function[g_request_id] = resolve;
            g_reject_function[g_request_id] = reject;
            window.postMessage( object_messsage, "*");
        });
        return requestPromise.then(function (result) {
            return Json_to_javascript(result.data);
        });
    }

    function CreatePluginObject()
    {
        //create message structure
        g_request_id++;
        var docURL = window.document.URL;
        object_messsage = {destination:"nmcades", requestid: g_request_id, type: "init", url: docURL};
        cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Sent message:" + JSON.stringify(object_messsage));
        var requestPromise = new Promise ( function (resolve, reject) {
            g_resolve_function[g_request_id] = resolve;
            g_reject_function[g_request_id] = reject;
            window.postMessage( object_messsage, "*");
        });
        return requestPromise.then(function (result) {
            obj = {};
            obj['objid'] = result.data.value;
            obj.CreateObjectAsync = CallMethod.bind(obj, "CreateObject");
            return obj;
        });
    }
    cpcsp_chrome_nmcades.CreatePluginObject = CreatePluginObject;

    function ReleasePluginObjects()
    {
        //create message structure
        g_request_id++;
        var docURL = window.document.URL;
        object_messsage = {destination:"nmcades", requestid: g_request_id, type: "reset", url: docURL};
        cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Sent message:" + JSON.stringify(object_messsage));
        var requestPromise = new Promise ( function (resolve, reject) {
            g_resolve_function[g_request_id] = resolve;
            g_reject_function[g_request_id] = reject;
            window.postMessage( object_messsage, "*");
        });
        return requestPromise.then(function (result) {
            if (result.data.value == 0)
                return true;
            return false;
        });
    }
    cpcsp_chrome_nmcades.ReleasePluginObjects = ReleasePluginObjects;

    function CallGetProperty(){
        g_request_id++;
        object_messsage = {destination:"nmcades", requestid: g_request_id, objid: this['objid'], get_property: arguments[0]};
        cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Sent message:" + JSON.stringify(object_messsage));
        var requestPromise = new Promise ( function (resolve, reject) {
            g_resolve_function[g_request_id] = resolve;
            g_reject_function[g_request_id] = reject;
            window.postMessage( object_messsage, "*");
        });
        return requestPromise.then(function (result) {
            return Json_to_javascript(result.data);
        });
    }

    function CallSetProperty(){
        g_request_id++;
        args = new Array();
        var arg;
        if(typeof arguments[1] == "object")
        {
            if(arguments[1] instanceof Date)
            {
                arg = {type: "string", value: DateToUTCStr(arguments[1])};
            }else
            {
                arg = {type: typeof arguments[1], value: arguments[1]["objid"]};
            }
        }else {
            arg = {type: typeof arguments[1], value: arguments[1]};
        }
        args.push(arg);
        object_messsage = {destination:"nmcades", requestid: g_request_id, objid: this['objid'], set_property: arguments[0], params: args};
        cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Sent message:" + JSON.stringify(object_messsage));
        var requestPromise = new Promise ( function (resolve, reject) {
            g_resolve_function[g_request_id] = resolve;
            g_reject_function[g_request_id] = reject;
            window.postMessage( object_messsage, "*");
        });
        return requestPromise.then(function (result) {
            return Json_to_javascript(result.data);
        });
    }

    function windowListner (event){
        if (event.source != window)
            return;
        if (event.data.tabid) {
            cpcsp_console_log(cadesplugin.LOG_LEVEL_DEBUG, "nmcades_plugin_api.js: Received message: " + JSON.stringify(event.data));
            if(event.data.data.type == "result"){
                g_resolve_function[event.data.data.requestid](event.data);
                g_reject_function[event.data.data.requestid] = null;
                g_resolve_function[event.data.data.requestid] = null;
            }
            else if(event.data.data.type == "error"){
                g_reject_function[event.data.data.requestid](event.data.data);
                g_resolve_function[event.data.data.requestid] = null;
                g_reject_function[event.data.data.requestid] = null;
            }
        }
    }

    function EnableInternalCSPListener(event){
        if (event.source != window)
            return;
        if (event.data == "EnableInternalCSP_request")
            window.postMessage("EnableInternalCSP=" + cadesplugin.EnableInternalCSP, "*");
        return;
    }

    window.addEventListener("message", windowListner, false);
    window.addEventListener("message", EnableInternalCSPListener, false);
    window.postMessage("EnableInternalCSP=" + cadesplugin.EnableInternalCSP, "*");
    window.cpcsp_chrome_nmcades = cpcsp_chrome_nmcades;
}());