var __currentHostName = 'umi.ru';
var __currentPartnerId = 0;
function _api_call(api_name, arguments, callbackAfter, callbackBefore, bErrorCallback, bUsePost, interval_ms, server_id) {
	var server = 4;
	if(server_id != undefined){
		server = !isNaN(parseInt(server_id)) ? server_id : ''; 
	} else if(!parseInt(server)){
		server = '';
	}
	//test
	var callback = callbackAfter,
	need_err_callback = (bErrorCallback == undefined || bErrorCallback),
	method = (bUsePost == undefined || !bUsePost) ? 'GET' : 'POST' ,
	url = document.location.protocol + "//api" + server + ".umi.ru/";
	if(!interval_ms){
        interval_ms = 500;
    }

    function customAjaxRequest(url, method, callback, data){
        if(!data){
            data = {};
        }
        if(!data.__CURRENT_HOSTNAME__){
            data.__CURRENT_HOSTNAME__ = __currentHostName;
        }
        if(!data.__CURRENT_PARTNER_ID__){
            data.__CURRENT_PARTNER_ID__ = __currentPartnerId;
        }
        if(!data.__FROM__){
            data.__FROM__ = document.location.hostname;
        }
        if(method == "POST") {
			var oDate = new Date();
			var timestamp = oDate.getTime();
			var form = jQuery('<form></form>');
			form.attr('id', 'postapi_form_' + timestamp);
			form.css('display', 'none');
			form.attr('action', '/adminzone/proxyapi/?api=' + api_name + '&_=' + timestamp);
			form.attr('target', 'postapi_iframe_' + timestamp);
			form.attr('method', 'POST');
			for(var i in data) {
				data[i] = data[i] + "";
				data[i] = data[i].replace(/\'/g, '"');
				form.append("<input type='hidden' name='"+i+"' value='"+data[i]+"' />");
			}
			var iframe = jQuery('<iframe></iframe>');
			iframe.css('display', 'none');
			iframe.attr('id', 'postapi_iframe_' + timestamp);
			iframe.attr('name', 'postapi_iframe_' + timestamp);
			jQuery(document.body).append(form);
			jQuery(document.body).append(iframe);
			iframe.load(function() {
				var data = jQuery.parseJSON(jQuery(this).contents().find('body').text());
				if(callback) {
					callback(data);
				}
				form.remove();
				iframe.remove();
			});
			form.submit();
		} else {
			jQuery.ajax({
				url: url,
				dataType: "jsonp",
				data: data,
				crossDomain: true,
				xhrFields: {
					withCredentials: true
				},
				jsonp: "jsoncallback",
				success: callback
			});
		}
    }
    
    function getResult(task, api, serverId){
        customAjaxRequest(_api_call.getResultUrl(serverId) + '?task=' + task + '&api=' + api, 'get', function(data){
            if(!data.wait){
                if(data.auth === false){
                    _api_error_auth(api_name);
                } else {            
                    if(data.errors && data.errors.length && need_err_callback){
                        _api_error_alert(data.errors, data.forceReAuth || false);
                        if (typeof reportError === 'function') {
                            reportError(data.errors.join(" "), "api_" + api_name);
                        }
                    }
                    if(callback){
                        callback(data);
                    }
                }
            } else {
                setTimeout(function(tNumber, sApi, serverId) {return function() {getResult(tNumber, sApi, serverId);} } (task, api, serverId), interval_ms);
            }
        });
    }
    
    function request(api_name, serverId, arguments) {
        customAjaxRequest(_api_call.getCallUrl(api_name, serverId), method, function(data) { 
            if(data.result != undefined && data.errors != undefined && data.task == undefined){
                if(data.auth === false){
                    _api_error_auth(api_name);
                } else {
                    if(data.errors && data.errors.length && need_err_callback){              
                        _api_error_alert(data.errors, data.forceReAuth || false);
                        if (typeof reportError === 'function') {
                            reportError(data.errors.join(" "), "api_" + api_name);
                        }
                    }
                    if(callback){
                        callback(data);
                    }
                }
            } else if(data.wait){
                _api_error_log(['Дождитесь завершения предыдущей операции']);
                if(callback){
                    callback(data);
                }
            } else {
                setTimeout(function(tNumber, sApi, serverId) {return function() {getResult(tNumber, sApi, serverId);} } (data.task, api_name, serverId), interval_ms);
            }
        }, arguments);
    }
	
	if(callbackBefore){
		callbackBefore();
	}
	request(api_name, server, arguments);
}

_api_call.getBaseUrl = function(serverId) {
	var server = (typeof serverId !== 'undefined') ? serverId : '4'; 
	var url = document.location.protocol + "//api" + server + ".umi.ru/";
	return url;
}

_api_call.getCallUrl = function(apiName, serverId) {
	return _api_call.getBaseUrl(serverId) + apiName;
}

_api_call.getResultUrl = function(serverId) {
	return _api_call.getBaseUrl(serverId) + 'result.php';
}

function _api_call_server(server, api_name, arguments, callbackAfter, callbackBefore, bErrorCallback, bUsePost, interval_ms, server_id) {
	_api_call(api_name, arguments, callbackAfter, callbackBefore, bErrorCallback, bUsePost, interval_ms, server);
}

function _api_error_alert(aMessageRows, forceReAuth){
    if(typeof dialogs != "undefined"){
        var DialogInst = dialogs.get();
        if(DialogInst){
            var callbackReAuth = forceReAuth ? function() { window.location.reload(true); } : undefined;
            DialogInst.Alert({"text":aMessageRows.join("<br />"), "width":'350'}, callbackReAuth);
        }
    } else {
        alert(aMessageRows.join("\n"));
    }
}

function _api_error_auth(api){
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&'), bExit = false;
    for(var i = 0; i < hashes.length; i++) {
        hash = hashes[i].split('=');
        if(hash[0] == 'exit' && hash[1] == 'true'){
           return;
        }
    }

    if(jQuery('#loginFormWrapper').length){
		if(typeof window['showLoginWindow'] == 'function') {
			showLoginWindow();
		}
        _api_error_alert(["Превышен интервал бездействия.", "Необходимо заново авторизоваться."]);
        
    } else {

        if(window.top.document.location.href.indexOf('?') > 0){
           if(window.top.document.location.href.indexOf('session=fail') == -1){
                window.top.document.location.href = window.top.document.location.href + '&session=fail';
           }
        } else {
           window.top.document.location.href = window.top.document.location.href + '?session=fail';
        }
        
    }
}

function _api_error_log(errors){
	if(errors && errors.length){
		_api_error_alert(errors);
	}
}