import QtQuick 2.0
import QtQuick.Dialogs 1.2
import QtQuick.Controls 1.2
//import QtQuick.LocalStorage 2.0 as Sql
import "qrc:/qml"
import "qrc:/qml/genericqml"
import "qrc:/js/news.js" as Newsjs
import "qrc:/js/helper.js" as Helperjs
import "qrc:/js/service.js" as Service

Item {
    Connections{
        target:newstab
        onNewstabstatusChanged:{
            newstabstatusButton.text= qsTr(newstab.newstabstatus)
        }
    }
    Connections{
        target:newstab
        onConversationChanged:{
            newsBusy.running=false;
            newstab.newstabstatus="Conversation";
            newsStack.push({item:"qrc:/qml/newsqml/Conversation.qml",properties:{"news": conversation}})
        }
    }
    Connections{
        target:root
        onCurrentContactChanged:{
            if (root.newContacts.length>0){
                print(Qt.atob(root.newContacts[root.currentContact].name))
            }
        }
     }
    function showNews(newsToShow){
       if (newsStack.depth>1){newsStack.pop()}
       newsBusy.running=false;
       var currentTime= new Date();
       var msg = {'currentTime': currentTime, 'model': newsModel,'news':newsToShow};
       newsWorker.sendMessage(msg);
    }

    function onFriendsMessages(friend){
        newstab.newstabstatus="Contact";
       Newsjs.newsfromdb(db,root.login.username, function(dbnews){showNews(dbnews)},friend)
    }

    function onDirectMessage(friend){
        newstab.newstabstatus="SendMessage"
        newsStack.push({item:"qrc:/qml/newsqml/MessageSend.qml",properties:{"reply_to_user": friend,"directmessage":1,"login":root.login}});
    }



   StackView{
       id: newsStack
       anchors.fill:parent
       
   initialItem:Rectangle {
        y:1
        color: "white"
        width:root.width-2*mm
        height:root.height-8*mm

        BlueButton{
            id:newstabstatusButton
            anchors.top: parent.top
            anchors.topMargin: 0.5*mm
            text: qsTr(newstab.newstabstatus)
            onClicked: {newstabmenu.popup()}
        }

        Row{
           spacing: mm
           anchors.top: parent.top
           anchors.topMargin: 0.5*mm
           anchors.right: parent.right

           BlueButton {
            id: newMessageButton
            width:10*mm
            text: qsTr("+")
            onClicked: {
               var groups=[];
                Helperjs.readData(root.db,"groups",root.login.username,function(groupobject){
                   groups=groupobject});
                newstab.newstabstatus="SendMessage"
                Helperjs.readData(root.db,"contacts",root.login.username,function(friends){
                   newsStack.push({item:"qrc:/qml/newsqml/MessageSend.qml",properties:{"contacts": friends,"login":root.login}})
               },"isFriend",1);
            }
        }
        BlueButton {
            id: quitButton
            width:10*mm
            text: qsTr("Quit")
            onClicked: {Service.cleanNews(root.db,function(){Qt.quit() })}
        }
        BlueButton {
            id: update
            text: "Update"
            onClicked: {
                newsBusy.running=true;
                newstab.newstabstatus=login.newsViewType;
                root.contactLoadType="news";
                var onlynew=true;
                Newsjs.getFriendsTimeline(login,db,contactlist,onlynew,newstab,function(ns,nc){
                    root.news=ns;root.newContacts=nc;root.currentContact=0;
                    if (ns.length==0){// update last 20 existing news for changes and likes
                        onlynew=false;
                        Newsjs.getFriendsTimeline(login,db,contactlist,onlynew,newstab,function(rns,rnc){
                            root.contactLoadType="news";
                            root.news=rns;root.newContacts=rnc;root.currentContact=0})
                    }
                })}
        }

        }
        Component {  id:footerComponent
            Rectangle{
                border.color: "#EEEEEE"
                border.width: 1
                 width:parent.width
                 height:6*mm
                 Text{
                     font.pixelSize: 1.5*mm
                     anchors.centerIn: parent
                     text:qsTr("More")
                 }
                 MouseArea{anchors.fill:parent
                     onClicked:{
                      var currentTime= new Date();
                      if(newstab.newstabstatus=="Timeline"){
                            var lastnews_id=newsModel.get(newsModel.count-1).newsitemobject.created_at;
                            Newsjs.newsfromdb(root.db,root.login.username, function(news){
                          var msg = {'currentTime': currentTime, 'model': newsModel,'news':news,'appendnews':true};
                          newsWorker.sendMessage(msg);
                          },false,lastnews_id)}
                      if(newstab.newstabstatus=="Tree"){
                            var lastnews_id=newsModel.get(newsModel.count-1).newsitemobject.created_at;
                            Newsjs.chatsfromdb(root.db,root.login.username, function(news){
                          var msg = {'currentTime': currentTime, 'model': newsModel,'news':news,'appendnews':true};
                          newsWorker.sendMessage(msg);
                          },lastnews_id)}
                      else if(newstab.newstabstatus=="Contact"){
                          Newsjs.newsfromdb(root.db,root.login.username, function(news){
                            var msg = {'currentTime': currentTime, 'model': newsModel,'news':news,'appendnews':true};
                            newsWorker.sendMessage(msg);
                            },newsModel.get(newsModel.count-1).newsitemobject.uid,newsModel.get(newsModel.count-1).newsitemobject.created_at)}
                      }}
                  }
        }
        ListView {
          id: newsView
          anchors.fill: parent
          anchors.topMargin: 8*root.mm
          anchors.leftMargin: 3*root.mm; anchors.rightMargin: root.mm
          anchors.bottomMargin: 1*root.mm
          clip: true
          spacing: 0
          footer: footerComponent
          model: newsModel
          delegate: Newsitem{}
          }

       ListModel{id: newsModel}

       WorkerScript {
              id: newsWorker
              source: "qrc:/js/newsworker.js"
          }
       
       BusyIndicator{
         id: newsBusy
         anchors.horizontalCenter: newsView.horizontalCenter
         anchors.top:newsView.top
         anchors.topMargin: 2*mm
         width:10*mm
         height: 10*mm
       }

       Menu {
          id:newstabmenu
          MenuItem {
              text: qsTr("Timeline")
              onTriggered: {
                  newstab.newstabstatus="Timeline";
                  newsModel.clear();
                  Newsjs.newsfromdb(root.db,root.login.username, function(dbnews){
                     showNews(dbnews)
                  })}
              }
          MenuItem {
                text: qsTr("Favorites")
                onTriggered:{
                    newstab.newstabstatus="Favorites";
               root.contactLoadType="favorites";
                    newsBusy.running=true;
                    Newsjs.requestFavorites(root.login,db,root.contactlist,root,function(ns,nc){
                    root.news=ns; root.newContacts=nc;root.currentContact=0;
                    })
                }
           }

           MenuItem {
                text: qsTr("Tree")
                onTriggered:{
                    newsModel.clear();
                    newstab.newstabstatus="Tree";
                    Newsjs.chatsfromdb(db,root.login.username,function(news){showNews(news)})
                }
           }
           MenuItem {
                text: qsTr("Notifications")
                onTriggered:{
                    newstab.newstabstatus="Notifications";
                    newsBusy.running=true;
                    Newsjs.getNotifications(root.login,db,root,function(news){
                        showNews(news)}
                    )}
          }
        }
        Component.onCompleted: {
           root.messageSignal.connect(onFriendsMessages);
           root.directmessageSignal.connect(onDirectMessage);
           root.newsSignal.connect(showNews);
           try{newsModel.clear()} catch(e){}
           if(login.newsViewType=="Timeline"){Newsjs.newsfromdb(db,login.username,function(dbnews){showNews(dbnews)})}
           else{Newsjs.chatsfromdb(db,login.username,function(dbnews){showNews(dbnews)})}
        }
    }
  }
}