//  This file is part of Friendiqa
//  https://github.com/lubuwest/Friendiqa
//  Copyright (C) 2017 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/>.

import QtQuick 2.0
import QtQuick.LocalStorage 2.0
import QtQuick.Window 2.0
import QtQuick.Controls 1.2
import QtQuick.Controls.Styles 1.4
import "qrc:/js/news.js" as Newsjs
import "qrc:/js/service.js" as Service


TabView{
    id:root
    property QtObject osSettings: {var tmp=Qt.createComponent("qrc:/qml/configqml/OSSettingsAndroid.qml");return tmp.createObject(root)}
    tabPosition: Qt.BottomEdge
    width: osSettings.appWidth
    height:osSettings.appHeight
    focus:true

    property var db: ["Friendiqa", "1.0", "Stores Friendica data", 100000000]
    property var login: Service.readActiveConfig(db)
    property var contactlist: []
    property real mm: Screen.pixelDensity
    signal messageSignal(var friend)
    signal fotoSignal(var login, var friend)
    signal directmessageSignal(var friend)
    signal newsSignal(var news)
    signal friendsSignal(var username)
    signal contactdetailsSignal(var contact)
    signal eventSignal(var contact)
    signal uploadSignal(var urls)

    property var news:[]
    property var newContacts:[]
    property string contactLoadType: ""

    onLoginChanged:{
        if(login==""){root.currentIndex=4}
        else{
            newstab.newstabstatus=login.newsViewType;
            Newsjs.getCurrentContacts(login,db,function(contacts){
                contactlist=contacts})}
    }
    onNewContactsChanged:{
        if(newContacts.length>0){// download contact images and update db
           var contacturls=[];
           var contactnames=[];
            for (var link in newContacts){
                contacturls.push(newContacts[link].profile_image_url);
                contactnames.push(newContacts[link].screen_name);
                Service.updateContactInDB(login,db,newContacts[link].isFriend,newContacts[link])
                contactlist.push(newContacts[link].url);
            }
            xhr.setDownloadtype("contactlist");
            xhr.setFilelist(contacturls);
            xhr.setContactlist(contactnames);
            xhr.setImagedir(login.imagestore);
            xhr.getlist();
            Service.processNews(function(){
                root.contactLoadType="";
                root.news=[];
            })
        }
        else if (contactLoadType!=""){
            Service.processNews(function(){
                root.contactLoadType="";
                root.news=[];
            })}
    }

    Connections{
        target:xhr
        onDownloaded:{
            if(type=="contactlist"){
                //print("contact image saved"+Date.now()+" "+filename+" "+url);
                var database=LocalStorage.openDatabaseSync(root.db[0],root.db[1],root.db[2],root.db[3]);
                var result;
                database.transaction( function(tx) {
                    result = tx.executeSql('UPDATE contacts SET profile_image="'+filename+'" where profile_image_url="'+url+'"');
                })
            }
        }
    }

    FontLoader{id: fontAwesome; source: "qrc:/images/fontawesome-webfont.ttf"}

    Keys.onReleased: {
        if (event.key === osSettings.backKey) {
            if (currentIndex==0){
                newstab.active=true;
                if (newstab.newstabstatus!=login.newsViewType){
                    newstab.newstabstatus=login.newsViewType;
                    if(login.newsViewType=="Timeline"){Newsjs.newsfromdb(db,login.username,function(dbnews){
                        newsSignal(dbnews)
                    })}
                    else{
                         Newsjs.chatsfromdb(db,login.username,function(dbnews){
                        newsSignal(dbnews)
                    })}
                }
                else if (newstab.conversation.length>0){newstab.conversation=[]}
                else{Service.cleanNews(root.db,function(){
                    Service.cleanContacts(root.login,root.db,function(){
                        Qt.quit()})
                })}
             }
         else if (currentIndex==2){fotoSignal("backButton")}
         else {currentIndex=0}
         event.accepted = true
    }}


    style: TabViewStyle {
        frameOverlap: 1
        tab: Rectangle {
            color: styleData.selected?"sky blue":"light blue"
            border.color: "light grey"
            implicitWidth: root.width/5
            implicitHeight: 5*mm
            Text { id: text
                anchors.centerIn: parent
                text: styleData.title
                color: "black"
               font.family: fontAwesome.name
                font.pixelSize: 3*mm
            }
         }
         frame: Rectangle { color: "light grey" }
         tabsAlignment:Qt.AlignHCenter
     }

    Tab{
        title: "\uf03a"
        id: newstab
        property string newstabstatus
        property var conversation:[]
        source:(root.currentIndex==0)? "qrc:/qml/newsqml/NewsTab.qml":""
    }
    Tab{
        title: "\uf0c0"
        id: friendstab
        source: (root.currentIndex==1)?"qrc:/qml/contactqml/FriendsTab.qml":""
    }
    Tab{
        title: "\uf03e"
        id: fotostab
        property string phototabstatus:"Images"
        source: (root.currentIndex==2)?"qrc:/qml/photoqml/PhotoTab.qml":""
    }
    Tab{
        title: "\uf073"
        id: calendartab
        property string calendartabstatus:"Events"
        source: (root.currentIndex==3)?"qrc:/qml/calendarqml/CalendarTab.qml":""
    }


    Tab{
        title:"\uf085"
        id: configtab
        source: (root.currentIndex==4)?"qrc:/qml/configqml/ConfigTab.qml":""
    }
    Component.onCompleted: {
        var imagePicker = Qt.createQmlObject('import QtQuick 2.0; import "qrc:/qml/genericqml";'+
                     osSettings.imagePickQml+'{multiple : true; onReady: {'+
                     'if(imageUrls.length==1){root.currentIndex=0;newstab.active=true;root.uploadSignal(imageUrls)} else{'+
                       ' root.currentIndex=2;fotostab.active=true;'+
                       'root.uploadSignal(imageUrls)};}}',root,"imagePicker");
    }
}