//  This file is part of Friendiqa
//  https://git.friendi.ca/lubuwest/Friendiqa
//  Copyright (C) 2020 Marco R. <thomasschmidt45@gmx.net>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  In addition, as a special exception, the copyright holders give
//  permission to link the code of portions of this program with the
//  OpenSSL library under certain conditions as described in each
//  individual source file, and distribute linked combinations including
//  the two.
//
//  You must obey the GNU General Public License in all respects for all
//  of the code used other than OpenSSL. If you modify file(s) with this
//  exception, you may extend this exception to your version of the
//  file(s), but you are not obligated to do so. If you do not wish to do
//  so, delete this exception statement from your version. If you delete
//  this exception statement from all source files in the program, then
//  also delete it here.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.

.pragma library
.import QtQuick.LocalStorage 2.0 as Sql
.import "qrc:/js/helper.js" as Helperjs

function requestFriends(login,database,rootwindow,callback){
//    return array of friends
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
         var result = tx.executeSql('UPDATE contacts SET isFriend=0 where username="'+login.username+'"')}); // clean old friends
        Helperjs.friendicaRequest(login,"/api/statuses/friends?count=9999", rootwindow,function (obj){
       var friends=JSON.parse(obj);
       for (var i=0;i<friends.length;i++){
           friends[i].created_at=Date.parse(cleanDate(friends[i].created_at));
           friends[i].isFriend=1
       }
       //try{requestProfile(login,friends,rootwindow,function(friends_profile){callback(friends_profile)})}
       //catch(e){
       callback(friends)//}
    });
}

function requestGroups(login,database,rootwindow,callback){
   // retrieve, save and return groups. Other features currently not implemented
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    Helperjs.friendicaRequest(login,"/api/friendica/group_show",rootwindow, function (obj){
       var groups=JSON.parse(obj);
        db.transaction( function(tx) {
             var result = tx.executeSql('DELETE from groups where username="'+login.username+'"'); // clean old groups
       for (var i=0;i<groups.length;i++){
           var memberarray=[]; for (var user in groups[i].user){memberarray.push(parseInt(groups[i].user[user].id))}
          //print("Members: "+groups[i].user)
               var result2 = tx.executeSql('INSERT INTO groups VALUES (?,?,?,?)', [login.username,groups[i].name,groups[i].gid,JSON.stringify(memberarray)])}
        callback()
        });
})}

function listFriends(login,database,callback,filter){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    var filtertext='';
    //try {filtertext=' AND screen_name like "' + filter+'%"'}catch(e){}
    var filtertext=new RegExp(".*"+filter.toLowerCase()+".*")
//    if (filter){filtertext=' AND (screen_name like "' + filter+'%" OR name like "' + Qt.btoa(filter)+'%")'}
    db.transaction( function(tx) {
        //var result = tx.executeSql('SELECT * from contacts WHERE username="'+login.username+'" AND isFriend>0'+filtertext);
        var result = tx.executeSql('SELECT * from contacts WHERE username="'+login.username+'" AND isFriend>0');
        // check for friends
        var contactlist=[];
        for (var i=0;i<result.rows.length;i++){
            var contact=result.rows.item(i)
            contact.name=Qt.atob(contact.name);
            if(filtertext.test(contact.name.toLowerCase())|| filtertext.test(contact.screen_name.toLowerCase())){
                contactlist.push(contact)}
        }
        callback(contactlist)
    });
}

function listHashtags(login,database,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
        var result = tx.executeSql('SELECT * from hashtags WHERE username="'+login.username+'" ORDER BY date DESC LIMIT 50');
        // check for friends
        var taglist=[];
        for (var i=0;i<result.rows.length;i++){
            var tag=result.rows.item(i).tag;
            tag=Qt.atob(tag);
            taglist.push(tag)}
        callback(taglist)
    });
}

function storeHashtags(login,database,newstext,rootwindow){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    var curDate= Date.now();
    var hashtags=[];
    hashtags=findTags(newstext);
    for (var tag in hashtags){
        db.transaction( function(tx) {
            var result = tx.executeSql('SELECT * from hashtags where username="'+login.username+'" AND tag = "'+Qt.btoa(tag)+'"'); // check for tag
            if(result.rows.length === 1) {// use update
                result = tx.executeSql('UPDATE hashtags SET tag="'+'", date='+curDate+', ownership=0 where username="'+login.username+'" AND tag="'+Qt.btoa(hashtags[tag])+'"');
            } else {// use insert
                result = tx.executeSql('INSERT INTO hashtags (username,tag,date,statuses,ownership) VALUES (?,?,?,?,?)', [login.username,Qt.btoa(hashtags[tag]),curDate,"[]",0])
            }
        })
    }
}

function deleteGroup(login,database,rootwindow,group, callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    Helperjs.friendicaPostRequest(login,"/api/friendica/group_delete?gid="+group.gid+"&name="+group.groupname,"","POST",rootwindow, function (obj){
        var deletereturn=JSON.parse(obj);
        if(deletereturn.success){
        db.transaction( function(tx) {
             var result = tx.executeSql('DELETE from groups where username="'+login.username+'" AND groupname="'+group.name+'"'); // delete group
        callback()
        });
}})}

function getLastNews(login,database,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    var lastnewsid=0;
    db.transaction( function(tx) {
            var result = tx.executeSql('SELECT status_id from news WHERE username="'+login.username+'" AND messagetype=0 ORDER BY status_id  DESC LIMIT 1');
            try{lastnewsid=result.rows.item(0).status_id;}catch(e){lastnewsid=0};
            callback(lastnewsid)
        })
}



//function getFriendsTimeline(login,database,contacts,onlynew,rootwindow,callback){
//    // retrieve and return timeline since last news, return contacts which are not friends and older than 2 days for update (friends can be updated in Contactstab)
//    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
//    var parameter = "?count=50";
//    if(onlynew){db.transaction( function(tx) {
//        var result = tx.executeSql('SELECT status_id from news WHERE username="'+login.username+'" AND messagetype=0 ORDER BY status_id  DESC LIMIT 1'); // check for last news id
//        try{parameter=parameter+"&since_id="+result.rows.item(0).status_id;}catch(e){};})}
//        var newContacts=[];
//        Helperjs.friendicaRequest(login,"/api/statuses/friends_timeline"+parameter, rootwindow,function (obj){
//            var news=JSON.parse(obj);
//            if (news.hasOwnProperty('status')){
//                Helperjs.showMessage(qsTr("Error"),"API:\n" +login.server+"/api/statuses/friends_timeline"+parameter+"\n Return: \n"+obj,rootwindow)
//            }
//            var newContacts=findNewContacts(news,contacts);
//            callback(news,newContacts)
//})}

function getCurrentContacts(login,database,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    var contactlist=[];
    db.transaction( function(tx) {
        var result = tx.executeSql('SELECT url from contacts WHERE username="'+login.username+'" AND isFriend=1'); // check for friends
        for (var i=0;i<result.rows.length;i++){
           contactlist.push(result.rows.item(i).url )
           //print(result.rows.item(i).url)
         }
    var lastDate=Date.now()-604800000;//  7 days old
    //print('SELECT url from contacts WHERE username="'+login.username+'" AND isFriend=0 AND imageAge>'+lastDate);
    var result2 = tx.executeSql('SELECT url from contacts WHERE username="'+login.username+'" AND isFriend=0 AND imageAge > '+lastDate);
    for (var j=0;j<result2.rows.length;j++){
               contactlist.push(result2.rows.item(j).url )
         }
    })
    callback(contactlist)
}

function findNewContacts(news,contacts){
    var newContacts=[];
    for (var i=0;i<news.length;i++){
        var url=news[i].user.url;
        if(contacts.indexOf(url)==-1 &&  !(inArray(newContacts,"url",url))){
            news[i].user.isFriend=0;
            newContacts.push(news[i].user);
            }
        if (news[i].hasOwnProperty('friendica_activities') && news[i].friendica_activities.like.length>0){
            for (var j=0;j<news[i].friendica_activities.like.length;j++){
                var like_url=news[i].friendica_activities.like[j].url;
                if(contacts.indexOf(like_url)==-1 &&  !(inArray(newContacts,"url",like_url))){
                    news[i].friendica_activities.like[j].isFriend=0;
                    newContacts.push(news[i].friendica_activities.like[j]);
                }
            }
         }
         if (news[i].hasOwnProperty('friendica_activities') && news[i].friendica_activities.dislike.length>0){
            for (var k=0;j<news[k].friendica_activities.dislike.length;k++){
                var dislike_url=news[i].friendica_activities.dislike[k].url;
                if(contacts.indexOf(dislike_url)==-1 &&  !(inArray(newContacts,"url",dislike_url))){
                    news[i].friendica_activities.dislike[k].isFriend=0;
                        newContacts.push(news[i].friendica_activities.dislike[k]);
                }
            }
         }

         if(news[i].hasOwnProperty('friendica_author')){
             var owner_url=news[i].friendica_author.url;
             if(contacts.indexOf(owner_url)==-1 &&  !(inArray(newContacts,"url",owner_url))){
                 news[i].friendica_author.isFriend=0;
                 newContacts.push(news[i].friendica_author);
                 }
         }
    }
    return newContacts
}

function storeNews(login,database,news,rootwindow){
// save news after contacts download, call next function
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    for (var i=0;i<news.length;i++){
        //print('store news data for ' + login.username+news[i].messagetype+Qt.btoa(news[i].text)+news[i].created_at+ news[i].in_reply_to_status_id+ news[i].source+ news[i].id+news[i].in_reply_to_user_id+news[i].geo+news[i].favorited+ news[i].user.id+Qt.btoa(news[i].statusnet_html)+news[i].statusnet_conversation_id+ Qt.btoa(JSON.stringify(friendica_activities))+"[]"+attachments+news[i].friendica_author.url);
        //var ausdruck=news[i];
        var likearray=[];var dislikearray=[];var attendyesarray=[];var attendnoarray=[];var attendmaybearray=[];
        if(news[i].hasOwnProperty('friendica_activities')){
             for (var user in news[i].friendica_activities.like){likearray.push(news[i].friendica_activities.like[user].url)}
             for (var user in news[i].friendica_activities.dislike){dislikearray.push(news[i].friendica_activities.dislike[user].url)}
             for (var user in news[i].friendica_activities.attendyes){attendyesarray.push(news[i].friendica_activities.attendyes[user].url)}
             for (var user in news[i].friendica_activities.attendno){attendnoarray.push(news[i].friendica_activities.attendno[user].url)}
             for (var user in news[i].friendica_activities.attendmaybe){attendmaybearray.push(news[i].friendica_activities.attendmaybe[user].url)}
        }
        var friendica_activities=[likearray,dislikearray,attendyesarray,attendnoarray,attendmaybearray]
        var attachments="";if (news[i].attachments){attachments=Qt.btoa(JSON.stringify(news[i].attachments))}

        if (news[i].friendica_title!="") {news[i].statusnet_html="<b>"+news[i].friendica_title +"</b><br><br>"+news[i].friendica_html;}
        else{news[i].statusnet_html=news[i].friendica_html}

        db.transaction( function(tx) {
            var result = tx.executeSql('SELECT * from news where username="'+login.username+'" AND status_id = "'+news[i].id+'" AND messagetype='+news[i].messagetype); // check for news id
            if(result.rows.length === 1) {// use update
                //print(news[i].id +' news exists, update it'+'UPDATE news SET username="'+login.username+'", messagetype=0, text="'+Qt.btoa(news[i].text)+'", created_at="'+Date.parse(cleanDate(news[i].created_at))+'", in_reply_to_status_id="'+news[i].in_reply_to_status_id+'", source="'+news[i].source+'", status_id="'+news[i].id+'", in_reply_to_user_id="'+news[i].in_reply_to_user_id+'", geo="'+news[i].geo+'", favorited="'+news[i].favorited+'", uid="'+news[i].user.id+'", statusnet_html="'+Qt.btoa(news[i].status_html)+'", statusnet_conversation_id="'+news[i].statusnet_conversation_id+'",friendica_activities="'+Qt.btoa(JSON.stringify(friendica_activities))+'",attachments="'+attachments+'",friendica_owner="'+news[i].friendica_owner.url+'" where username="'+login.username+'" AND status_id="'+news[i].status_id+'" AND messagetype=0')
                result = tx.executeSql('UPDATE news SET username="'+login.username+'", messagetype='+news[i].messagetype+', text="'+Qt.btoa(news[i].text)+'", created_at="'+news[i].created_at+'", in_reply_to_status_id="'+news[i].in_reply_to_status_id+'", source="'+news[i].source+'", status_id="'+news[i].id+'", in_reply_to_user_id="'+news[i].in_reply_to_user_id+'", geo="'+news[i].geo+'", favorited="'+news[i].favorited+'", uid="'+news[i].user.id+'", statusnet_html="'+Qt.btoa(news[i].statusnet_html)+'", statusnet_conversation_id="'+news[i].statusnet_conversation_id+'",friendica_activities="'+Qt.btoa(JSON.stringify(friendica_activities))+'",attachments="'+attachments+'",friendica_owner="'+news[i].friendica_author.url+'" where username="'+login.username+'" AND status_id="'+news[i].status_id+'" AND messagetype=0');
            } else {// use insert
                result = tx.executeSql('INSERT INTO news (username,messagetype,text,created_at,in_reply_to_status_id,source,status_id,in_reply_to_user_id,geo,favorited,uid,statusnet_html,statusnet_conversation_id,friendica_activities,friendica_activities_self,attachments,friendica_owner) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)', [login.username,news[i].messagetype,Qt.btoa(news[i].text),news[i].created_at, news[i].in_reply_to_status_id, news[i].source, news[i].id,news[i].in_reply_to_user_id,news[i].geo,news[i].favorited, news[i].user.id,Qt.btoa(news[i].statusnet_html),news[i].statusnet_conversation_id, Qt.btoa(JSON.stringify(friendica_activities)),"[]",attachments,news[i].friendica_author.url])}})
            }
}


function getActivitiesUserData(allcontacts,userUrlArray){//print(JSON.stringify(userUrlArray));
    var helpArray=[];
    for (var i=0;i<userUrlArray.length;i++){
       helpArray.push(objFromArray(allcontacts,"url",userUrlArray[i]));
    }
    return helpArray
}

function newsfromdb(database,login,messagetype,callback,contact,stop_time){
// return news before stop_time (used by More button), in brackets of 20 entries, or by specified contact
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
        var result = tx.executeSql('SELECT status_id from news WHERE username="'+login.username+'" AND messagetype=0 ORDER BY status_id  DESC LIMIT 1');
        try{var lastid=result.rows.item(0).status_id;}catch(e){var lastid=0};

        if (!stop_time){var stop="";
            try{var rs = tx.executeSql('select created_at from news WHERE username="'+login.username+'" AND messagetype="'+messagetype+'" ORDER BY created_at DESC LIMIT 1');
            stop="<="+rs.rows.item(0).created_at}catch(e){stop="<99999999999999"}}
        else{var stop="<"+stop_time}
        var contactfilter="";if(contact){contactfilter=" AND (uid='"+contact+"' OR friendica_owner='"+contact+"')"}
            if (messagetype=="0"){messagetype="0,5"}
        //print('select * from news WHERE username="'+login.username+'" AND messagetype IN ( '+messagetype+' ) AND created_at'+stop+contactfilter+' ORDER BY created_at DESC LIMIT 20');
        var newsrs=tx.executeSql('select * from news WHERE username="'+login.username+'" AND messagetype IN ( '+messagetype+' ) AND created_at'+stop+contactfilter+' ORDER BY created_at DESC LIMIT 20');
        var newsArray=[];
        var allcontacts=getAllContacts(database,login.username);

        for(var i = 0; i < newsrs.rows.length; i++) {
            newsArray.push(newsrs.rows.item(i));
            newsArray[i].statusnet_html=Qt.atob(newsArray[i].statusnet_html);
            newsArray[i].text=Qt.atob(newsArray[i].text);
            newsArray[i].id=newsArray[i].status_id;
            newsArray[i].friendica_author=objFromArray(allcontacts,"url",newsArray[i].friendica_owner)
            newsArray[i]=fetchUsersForNews(database,login.username,newsArray[i],allcontacts);
            if (newsArray[i].attachments!="" && newsArray[i].attachments!==null){newsArray[i].attachments=JSON.parse(Qt.atob(newsArray[i].attachments))};
        }
    callback(newsArray,lastid)});
}


function fetchUsersForNews(database,username,news,allcontacts){//print("fetchusers "+JSON.stringify(news))
    news.user=objFromArray(allcontacts,"id",news.uid);
    if(news.in_reply_to_user_id){news.reply_user=objFromArray(allcontacts,"id",news.in_reply_to_user_id)}
    //news.friendica_owner_object=objFromArray(allcontacts,"url",news.friendica_owner);
    news.friendica_author=objFromArray(allcontacts,"url",news.friendica_author);
    if (news.messagetype==0){
       var friendicaArray=JSON.parse(Qt.atob(news.friendica_activities));
        delete news.friendica_activities;
        news.friendica_activities={};
       //for(var j=0;j<friendicaArray.length;j++){
       news.friendica_activities.like=getActivitiesUserData(allcontacts,friendicaArray[0]);
       news.friendica_activities.dislike=getActivitiesUserData(allcontacts,friendicaArray[1]);
       news.friendica_activities.attendyes=getActivitiesUserData(allcontacts,friendicaArray[2]);
       news.friendica_activities.attendno=getActivitiesUserData(allcontacts,friendicaArray[3]);
       news.friendica_activities.attendmaybe=getActivitiesUserData(allcontacts,friendicaArray[4]);
            //}
    }
    return news
}

function deleteNews(login,database,newsid,messagetype,rootwindow,callback){
    var api="" ;
    if (messagetype==0){ api="/api/statuses/destroy?id="}
    else if (messagetype==1){ api="/api/direct_messages/destroy?id="}
    else if (messagetype==2){ api="/api/friendica/notifications/seen?id="}
    Helperjs.friendicaPostRequest(login,api+newsid,"","POST", rootwindow,function (obj){
        var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
         db.transaction( function(tx) {var result = tx.executeSql('DELETE from news where username="'+login.username+'" AND messagetype='+messagetype+' AND status_id ='+newsid); // delete news id
             callback(obj)
   });
})}

function retweetNews(login,database,newsid,rootwindow,callback){
    Helperjs.friendicaPostRequest(login,"/api/statuses/retweet?id="+newsid,"","POST", rootwindow,function (obj){
        var answer=JSON.parse(obj);
        if(answer.hasOwnProperty('status'))//('error' in answer.status)
            {Helperjs.showMessage("Repost",answer.status.code,rootwindow);}
        else{Helperjs.showMessage("Repost",answer.text,rootwindow)}
    })
}

function favorite(login,favorited,newsid,rootwindow){
// toggle favorites 
 if(favorited){  Helperjs.friendicaPostRequest(login,"/api/favorites/create?id="+newsid,"","POST", rootwindow,function (obj){
   })}
    else {Helperjs.friendicaPostRequest(login,"/api/favorites/destroy?id="+newsid,"","POST",rootwindow,function (obj){
   })}
}

function  likerequest(login,database,verb,newsid,rootwindow){
    Helperjs.friendicaPostRequest(login,"/api/friendica/activity/"+verb+"?id="+newsid, "","POST",rootwindow,function (obj){
         if (obj=='"ok"'){
            var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
            db.transaction( function(tx) {
                var currentActivities_rs=tx.executeSql('select friendica_activities_self from news WHERE username="'+login.username+'" AND status_id='+newsid) ;
                var currentActivities=JSON.parse(currentActivities_rs.rows.item(0).friendica_activities_self);
                //print(verb+"currentActivities "+JSON.stringify(currentActivities));
                if ((verb=="like")&&(currentActivities.indexOf(1)==-1)){ currentActivities.push(1);
                    if (currentActivities.indexOf(2)!=-1){currentActivities.splice(currentActivities.indexOf(2),1)}
                }
                if ((verb=="dislike")&&(currentActivities.indexOf(2)==-1)){ currentActivities.push(2);
                    if (currentActivities.indexOf(1)!=-1){currentActivities.splice(currentActivities.indexOf(1),1)}
                }
                if (verb=="unlike"){ if (currentActivities.indexOf(1)!=-1){currentActivities.splice(currentActivities.indexOf(1),1)}}
                if (verb=="undislike"){ if (currentActivities.indexOf(2)!=-1){currentActivities.splice(currentActivities.indexOf(2),1)}}
                //print(JSON.stringify(currentActivities));
                var result = tx.executeSql('UPDATE news SET friendica_activities_self ="'+JSON.stringify(currentActivities)+'" where username="'+login.username+'" AND status_id ='+newsid);
   })}
    else{}})
}

function like(login,database,toggle,verb,newsid,rootwindow){
    if(verb=="like"&& toggle==1){likerequest(login,database,"like",newsid,rootwindow);
    }
    if(verb=="dislike"&& toggle==1){likerequest(login,database,"dislike",newsid,rootwindow);
    }
    if(toggle==0){
         likerequest(login,database,"un"+verb,newsid,rootwindow);}
}

function attend(login,database,attend,newsid,rootwindow,callback){
    Helperjs.friendicaPostRequest(login,"/api/friendica/activity/attend"+attend+"?id="+newsid, "","POST",rootwindow,function (obj){
            //print("attend: "+attend+obj);
    if (obj=='"ok"')
        var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
        db.transaction( function(tx) {
            var currentActivities_rs=tx.executeSql('select friendica_activities_self from news WHERE username="'+login.username+'" AND status_id='+newsid) ;
            var currentActivities=JSON.parse(currentActivities_rs.rows.item(0).friendica_activities_self);
            if ((attend=="yes")&&(currentActivities.indexOf(3)==-1)){
                currentActivities.push(3);
                if (currentActivities.indexOf(4)!=-1){currentActivities.splice(currentActivities.indexOf(4),1)}
                if (currentActivities.indexOf(5)!=-1){currentActivities.splice(currentActivities.indexOf(5),1)}
                             //print(JSON.stringify(currentActivities));
             }
             if ((attend=="no")&&(currentActivities.indexOf(4)==-1)){
                currentActivities.push(4);
                if (currentActivities.indexOf(3)!=-1){currentActivities.splice(currentActivities.indexOf(3),1)}
                if (currentActivities.indexOf(5)!=-1){currentActivities.splice(currentActivities.indexOf(5),1)}
             }
             if ((attend=="maybe")&&(currentActivities.indexOf(5)==-1)){
                currentActivities.push(5);
                if (currentActivities.indexOf(3)!=-1){currentActivities.splice(currentActivities.indexOf(3),1)}
                if (currentActivities.indexOf(4)!=-1){currentActivities.splice(currentActivities.indexOf(4),1)}
             }

             var result = tx.executeSql('UPDATE news SET friendica_activities_self ="'+JSON.stringify(currentActivities)+'" where username="'+login.username+'" AND status_id ='+newsid);
             callback();
 })})}

function requestConversation(login,database,newsid,contacts,rootwindow,callback){
    Helperjs.friendicaRequest(login,"/api/conversation/show?id="+newsid,rootwindow, function (obj){
       var news=JSON.parse(obj);
       var newContacts=findNewContacts(news,contacts);
      // storeNews(login,database,news,rootwindow,callback)
      callback(news,newContacts)
})}

function conversationfromdb(database,user,conversationId,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
        var newsrs=tx.executeSql('select * from news WHERE username="'+user+'" AND statusnet_conversation_id="'+conversationId+'" ORDER BY created_at ASC');
        var newsArray=[];
        var allcontacts=getAllContacts(database,user);
        for(var i = 0; i < newsrs.rows.length; i++) {
            newsArray.push(newsrs.rows.item(i));
            newsArray[i].statusnet_html=Qt.atob(newsArray[i].statusnet_html);
            newsArray[i].text=Qt.atob(newsArray[i].text);
            newsArray[i].id=newsArray[i].status_id;
            newsArray[i]=fetchUsersForNews(database,user,newsArray[i],allcontacts);
            if (helpernews.attachments!="" && newsArray[i].attachments!==null){newsArray[i].attachments=JSON.parse(Qt.atob(newsArray[i].attachments))};
        }
    callback(newsArray)})
}

function requestFavorites(login,database,contacts,rootwindow,callback){
    Helperjs.friendicaRequest(login,"/api/favorites",rootwindow, function (obj){
   //print(obj+JSON.stringify(obj));
       var news=JSON.parse(obj);
       var newContacts=findNewContacts(news,contacts);
      // storeNews(login,database,news,rootwindow,callback)
      callback(news,newContacts)
})}


function chatsfromdb(database,login,messagetype,callback,stop_time){

    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
    if (!stop_time){var stop="";
        try{var rs = tx.executeSql('select created_at from news WHERE username="'+login.username+'" AND messagetype="'+messagetype+'" ORDER BY created_at DESC LIMIT 1');
        stop="<="+rs.rows.item(0).created_at}catch(e){stop="<99999999999999"}}
    else{var stop="<"+stop_time}
    if (messagetype=="1"){messagetype="1,5"}
    var conversationsrs=tx.executeSql('select DISTINCT statusnet_conversation_id from news WHERE username="'+login.username+'" AND created_at'+stop+' AND messagetype IN ( "'+messagetype+'" ) ORDER BY created_at DESC LIMIT 20'); //+' ORDER BY created_at DESC LIMIT 20');
    var result = tx.executeSql('SELECT status_id from news WHERE username="'+login.username+'" AND messagetype=0 ORDER BY status_id  DESC LIMIT 1');
    try{var lastid=result.rows.item(0).status_id;}catch(e){var lastid=0};
    var conversations=[];
    for(var i = 0; i < conversationsrs.rows.length; i++) {
        conversations.push(conversationsrs.rows.item(i).statusnet_conversation_id);
     }
    var newsArray=[];
    var allcontacts=getAllContacts(database,login.username);

    for(var j = 0; j< conversations.length; j++) {
        var newsrs=tx.executeSql('select * from news WHERE username="'+login.username+'"  AND statusnet_conversation_id="'+conversations[j] +'" AND messagetype="'+messagetype+'" ORDER BY created_at ASC');
        //print(JSON.stringify(newsrs.rows.item(0))+JSON.stringify(newsrs.rows.item(1)))
        var helpernews=newsrs.rows.item(0);
        helpernews.newscount=newsrs.rows.length;
        helpernews=fetchUsersForNews(database,login.username,helpernews,allcontacts);
        helpernews.statusnet_html=Qt.atob(helpernews.statusnet_html);
        helpernews.text=Qt.atob(helpernews.text);
        helpernews.id=helpernews.status_id;
        helpernews.friendica_author=objFromArray(allcontacts,"url",helpernews.friendica_owner);
        if (helpernews.attachments!="" && helpernews.attachments!==null){helpernews.attachments=JSON.parse(Qt.atob(helpernews.attachments))};
        helpernews.currentconversation=[];
        for (var h = 0;h<newsrs.rows.length;h++){
            var helpernews2=newsrs.rows.item(h);
            helpernews2.newscount=0;
            helpernews2=fetchUsersForNews(database,login.username,helpernews2,allcontacts);
            helpernews2.statusnet_html=Qt.atob(helpernews2.statusnet_html);
            helpernews2.text=Qt.atob(helpernews2.text);//print(h+" "+helpernews2.text)
            helpernews2.id=helpernews2.status_id;
            helpernews2.friendica_author=objFromArray(allcontacts,"url",helpernews2.friendica_owner);
            if (helpernews2.attachments!="" && helpernews2.attachments!==null){helpernews2.attachments=JSON.parse(Qt.atob(helpernews2.attachments))};
            helpernews.currentconversation.push(helpernews2)
        }
        newsArray.push(helpernews);
    }
    callback(newsArray,lastid);
})}


function allchatsfromdb(database,user,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
//    if (!stop_time){var stop="";
//        try{var rs = tx.executeSql('select created_at from news WHERE username="'+username+'" ORDER BY created_at DESC LIMIT 1');
//        stop="<="+rs.rows.item(0).created_at}catch(e){stop="<99999999999999"}}
//    else{var stop="<"+stop_time}
     var conversationsrs=tx.executeSql('select DISTINCT statusnet_conversation_id from news WHERE username="'+user+'" ORDER BY created_at DESC'); //+' ORDER BY created_at DESC LIMIT 20');
    var conversationIds=[];
    for(var i = 0; i < conversationsrs.rows.length; i++) {
        conversationIds.push(conversationsrs.rows.item(i).statusnet_conversation_id);
     }
    var newsArray=[];
    var countArray=[];
    var allcontacts=getAllContacts(database,user);
    for(var j = 0; j< conversationIds.length; j++) {
        var newsrs=tx.executeSql('select * from news WHERE username="'+user+'"  AND statusnet_conversation_id="'+conversationIds[j] +'" ORDER BY created_at ASC');
        var helpernews=newsrs.rows.item(0);
        //helpernews.newscount=newsrs.rows.length;
        helpernews=fetchUsersForNews(database,user,helpernews,allcontacts);
        helpernews.statusnet_html=Qt.atob(helpernews.statusnet_html);
        helpernews.text=Qt.atob(helpernews.text);
        helpernews.id=helpernews.status_id;helpernews.friendica_author=objFromArray(allcontacts,"url",helpernews.friendica_owner);
        if (helpernews.attachments!="" && helpernews.attachments!==null){helpernews.attachments=JSON.parse(Qt.atob(helpernews.attachments))};
        newsArray.push(helpernews);
        countArray.push(newsrs.rows.length)
    }
    var conversationsobject=({});

    conversationsobject.conversationIds=conversationIds;
    conversationsobject.newsArray=newsArray;
    conversationsobject.countArray=countArray;
    callback(conversationsobject);
})}

function oldchatfromdb(database,user,conversationId,lastpost,allcontacts,callback){
    var db=Sql.LocalStorage.openDatabaseSync(database[0],database[1],database[2],database[3]);
    db.transaction( function(tx) {
//    var newsArray=[];
//    var countArray=[];
    //var allcontacts=getAllContacts(database,user);
    var newsrs=tx.executeSql('select * from news WHERE username="'+user+'"  AND statusnet_conversation_id="'+conversationId +'" AND status_id<'+lastpost+' ORDER BY created_at ASC');
    if(newsrs.rows.length>0){var helpernews=newsrs.rows.item(0);
    var newscount=newsrs.rows.length;
    helpernews=fetchUsersForNews(database,user,helpernews,allcontacts);
    helpernews.statusnet_html=Qt.atob(helpernews.statusnet_html);
    helpernews.text=Qt.atob(helpernews.text);
    helpernews.id=helpernews.status_id;helpernews.friendica_author=objFromArray(allcontacts,"url",helpernews.friendica_owner);
    if (helpernews.attachments!="" && helpernews.attachments!==null){helpernews.attachments=JSON.parse(Qt.atob(helpernews.attachments))};
    callback(helpernews,newscount);}
//    var conversationobject={news:helpernews,newscount:newscount};
//    return conversationobject;
})}




function getAllContacts(database,user){
    var allcontacts=[];
    Helperjs.readData(database,"contacts",user,function(obj){
        allcontacts=obj;
        for (var n in allcontacts){
            allcontacts[n].name=Qt.atob(allcontacts[n].name);
            allcontacts[n].description=Qt.atob(allcontacts[n].description)
        }
    });
    return allcontacts;
}

function inArray(list, prop, val) {
    if (list.length > 0 ) {
        for (var i in list) {if (list[i][prop] == val) {
                return true;
            }
        }
    } return false;
}

function objFromArray(list, prop, val) {
    if (list.length > 0 ) {
        for (var i in list) {if (list[i][prop] == val) {
                return list[i];
            }
        }
    } return false;
}

function cleanDate(date){
    var cleanedDate= date.slice(0,3)+", "+date.slice(8,11)+date.slice(4,7)+date.slice(25,30)+date.slice(10,25);
    return cleanedDate
}

function findTags(fulltext){
   return fulltext.match(/\s+[#]+[A-Za-z0-9-_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF]+/g)
}