import QtQuick 2.0
import QtQuick.Dialogs 1.2
import QtQuick.Controls 1.4
import QtQml.Models 2.1
import "qrc:/js/service.js" as Service
import "qrc:/js/helper.js" as Helperjs
import "qrc:/qml"

Rectangle {
    id:fotorectangle
width:root.width-mm
 height:root.height-5*mm
 color: '#fff'
 property var newImages:[]
 property int currentImageNo: 0
//onLoginChanged:{var msg = {'model': photogroupModel,'albums':[],'firstalbum':0,'foreignPicture':false};
//         photoWorker.sendMessage(msg);
//}
 onNewImagesChanged:{if(newImages.length>0){ Service.dataRequest(root.login,newImages[currentImageNo],root.db,fotorectangle);newImagesProgress.visible=true //download first image
}  }
 onCurrentImageNoChanged:{ if(currentImageNo<newImages.length){Service.dataRequest(root.login,newImages[currentImageNo],root.db,fotorectangle)};
   if(currentImageNo==newImages.length){newImagesProgress.visible=false;showOwnFotos();
     newImages=[];currentImageNo=0} 
// download next image if photoplaceholder is finished saving
 }


ProgressBar{
   id: newImagesProgress
   width: 15*mm
   height: updatePhotolist.height
   anchors.top: parent.top
   anchors.right:updatePhotolist.left
   anchors.rightMargin:mm
   visible: false
   value: currentImageNo/newImages.length
}

Button{
     id:  updatePhotolist
     anchors.top: parent.top
     anchors.right:showFotos.left
     anchors.rightMargin:mm
     text: qsTr("Update")
     onClicked: {
          Service.requestList(root.login,root.db, fotostab,function(obj){
            newImages=obj;
})}}

 Button{
     id:  showFotos
     anchors.top: parent.top
     anchors.right: parent.right
     anchors.rightMargin:2*mm
     text: qsTr("Show")
     onClicked: {showOwnFotos()}
 }

  DelegateModel{
     id: visualphotoModel
     delegate: PhotogroupComponent{}
     model: photogroupModel
 }

  ListModel{
      id: photogroupModel
  }

 GridView {
             id: albumgridview
             cellWidth: 17*mm
             cellHeight: 17*mm
             x: mm;y:8*mm
             width: parent.width-2*mm; height: parent.height-9*mm
             clip: true
             model: visualphotoModel.parts.album
             footer:
                 Rectangle{
                     border.color: "#EEEEEE"
                     border.width: 1
                      width:12*mm
                      height:6*mm
                      Text{
                          font.pixelSize: 1.5*mm
                          anchors.centerIn: parent
                         text:qsTr("More")
                      }
                      MouseArea{anchors.fill:parent
                          onClicked:{
                                var lastalbum_id=photogroupModel.get(photogroupModel.count-1);
                                 if(photogroupModel.get(photogroupModel.count-1).foreignPictures==false){Service.requestFriendsAlbumPictures(friend,fotostab,function(albums){
                                     var msg = {'model': photogroupModel,'albums':albums,'firstalbum':lastalbum_id+1,'foreignPicture':true};
                                     photoWorker.sendMessage(msg);  })}
                                 else {  Helperjs.readField("album",root.db, "imageData",root.login.username,function(albums){
                                     var msg = { 'model': photogroupModel,'albums':albums,'foreignPicture': false,'firstalbum':lastalbum_id+1};
                                     photoWorker.sendMessage(msg)})}
       }}}
}

Rectangle { id: photoBackground; color: 'light grey'; width: parent.width; height: parent.height; opacity: 0; visible: opacity != 0.0 }

ListView { anchors.fill: parent; model: visualphotoModel.parts.browser; interactive: false }

Button {
    id: backButton
    text: qsTr("Back")
    x: parent.width - backButton.width - 3*mm
    y: -backButton.height - 4*mm
    onClicked: {photoBackground.opacity=0}
//       visible: Qt.platform.os !== "android"
 }

ListView {anchors.fill: parent; model: visualphotoModel.parts.fullscreen; interactive: false }
WorkerScript{id: photoWorker;source: "qrc:/js/photoworker.js"}

function showOwnFotos(){
      try {photogroupModel.clear()}catch (e){print(e)}
            Helperjs.readField("album",root.db, "imageData",root.login.username,function(albums){
                           if (albums[0]) {
                               var msg = { 'model': photogroupModel,'albums':albums,'firstalbum':0,'foreignPicture': false};
                               photoWorker.sendMessage(msg);
                            };
             })
      }

function onFriendsFotos(friend){print("Friend "+friend.url);
      try {photogroupModel.clear()}catch (e){print(e)}
   Service.requestFriendsAlbumPictures(friend,fotostab,function(albums){
         var msg = {'model': photogroupModel,'albums':albums,'firstalbum':0,'foreignPicture':true};
         photoWorker.sendMessage(msg);
     })
 }

    Component.onCompleted: { root.fotoSignal.connect(onFriendsFotos);}
 }