var http_module = angular.module("http_module", []);
http_module.factory('http_service', ['$http','$rootScope','$timeout', function($http,$rootScope,$timeout) {   
    var factory = {};
	function getCookie(cname){
		var name = cname + "=";
		var ca = document.cookie.split(';');
		for(var i=0; i<ca.length; i++) {
			var c = ca[i].trim();
			if (c.indexOf(name)==0) return c.substring(name.length,c.length);
		}
		return "";
	}
//	var token = {"token":getCookie("token")};
//  var token = {"token": 868686};
    var api_server = './travel-web/';
    var success = function(complete,flg,url,data){
        return function(res){
        	if(res.data.invalidUser){
        		var href_str = register_url + "index.html";
        		$rootScope.terro("登录验证失效");
        		$timeout(function(){
        			window.location.href = register_url;
        		},2000)
        		return false;
        	}
        	if(res.data.power){
        		$rootScope.terro("无权限操作");
        		return false;
        	}
            if(res.status === 200){
            	if (flg) {
            		if (res.data.opState) {
            			saveCache(url,data,res);
            		}
            	}
                complete(res);
            }else{
				//alert('server error: ' + api_server + url);
                sweetAlert('server error: ' + api_server + url);
                
            }
        }
    };
    var list = function(complete){
    	return function(res){
            if(res.status === 200){
            	permission_list = response.data.data;
                complete(res);
            }else{
				//alert('server error: ' + api_server + url);
                sweetAlert('server error: ' + "./travel-web/permission/search/userPermission");
            }
        }
    }
    factory.get = function(url, complete) {
       $http({
            url: api_server + url,
            method: 'GET'
        }).then(success(complete));
    };
    factory.post = function(url, data,complete,flg,errorCallback) {
    	if (flg == true) {
    		getCache(url,data,complete);
    	} else {
//  		data.token = getCookie("token");//暂时不加密
    		
//  		var prmData = {"data":getDes(data)};  //暂时不加密

			var prmData = getDes(data);
    		$http({
	            url: api_server + url,
	            method: 'POST',
	            data: prmData,
	        }).then(success(complete),errorCallback);
    	}
       
    };
    factory.delelte = function(url, complete) {
        $http({
            url: api_server + url,
            method: 'DELETE'
        }).then(success(complete));
    };
    factory.update = function(url, data, complete) {
        $http({
            url: api_server + url,
            method: 'PUT',
            data: _.extend(data, token)
        }).then(success(complete));
    };
    var getCache = function(url,data,complete) {
		var url_key = app_userinfo.tenantId + "_" + url + "_" + data["cache_id"];
		
		var cacheData = localStorage.getItem(url_key);
		if (cacheData) {
			cacheData = unescape($.base64.decode(cacheData));
		}
		// 验证缓存版本号
    	if (cacheData && JSON.parse(cacheData).data.version) {
    			$http({
		            url: api_server + 'valid/version',
		            method: 'POST',
		            params: {"cacheKey":url,"cache_id":data.cache_id,"version":JSON.parse(cacheData).data.version},
//		            cache: true
		        }).then(function successCallback(res){
		        	// 如果缓存版本号通过验证 直接返回缓存数据
		        	if (res.data.start) {
		        		success(complete(JSON.parse(cacheData)));
		        	} else {
		        		postCache(complete,true,url,data);
		        	}
		        })
    	} else {
    		// 取接口数据并添加到缓存
	        postCache(complete,true,url,data);
    	}
    };
    
    var postCache = function (complete,flg,url,data) {
//  	data.token = getCookie("token");//暂时不加密
//  	var prmData = {"data":getDes(data)};//暂时不加密
		var prmData = getDes(data);
    	$http({
            url: api_server + url,
            method: 'POST',
            data: prmData
        }).then(success(complete,flg,url,data));
    }
    
    
    var saveCache = function(url,data,cacheData) {
		var url_key = app_userinfo.tenantId + "_" + url + "_" + data["cache_id"];
    	cacheData = JSON.stringify(cacheData);
//  	localStorage.setItem(url_key,$.base64.encode(cacheData));
		cacheData = $.base64.encode(escape(cacheData));
    	localStorage.setItem(url_key,cacheData);
    }
    
    
    function getDes(data){  
    	return data;//暂时不加密
        //待加密字符串  
//      var str = JSON.stringify(data);  
//      //第一个参数必须；第二个、第三个参数可选  
//      var key1 = $.md5(getCookie("token"));    
//      var key2 = $.md5(getCookie("csc_compid"));   
//      var key3 = $.md5(getCookie("tenantId"));
//      //加密方法        
//      var  enResult = strEnc(str,key1,key2,key3);  
//      
//		return enResult;


        //解密方法  
        //var deResult = strDec(enResult,key1,key2,key3);  
        //展示结果  
        //document.getElementById("enStr").innerHTML = enResult;   
        //document.getElementById("dnStr").innerHTML = deResult;   
    }  

    return factory;
}]);