//  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.Controls 1.2
import QtQuick.Controls.Styles 1.4
import QtQuick.Dialogs 1.3
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)
//            switch(newstab.newstabstatus){
//                case "Timeline": newstabstatusCombo.currentIndex=1; break;
//                case "Conversations":newstabstatusCombo.currentIndex=2; break;
//                case "Favorites":newstabstatusCombo.currentIndex=3; break;
//                case "Network":newstabstatusCombo.currentIndex=4; break;
//                case "Direct Messages":newstabstatusCombo.currentIndex=5; break;
//                case "Notifications":newstabstatusCombo.currentIndex=6; break;
//                case "Search":newstabstatusCombo.currentIndex=7; break;
//                case "Groupnews":newstabstatusCombo.currentIndex=8; break;
//            }
        }
    }

    Connections{
        target:xhr
        onError:{
            Helperjs.showMessage(qsTr("Error"),"API:\n" +login.server+api+"\n Return: \n"+data,root);
        }
        onSuccess:{
           // downloadNotice.text=downloadNotice.text+ "\n xhr finished "+Date.now();
            Service.processNews(api,data);
        }
    }

    Timer {id:replytimer; interval: 1000; running: false; repeat: false
        onTriggered: {
            if(newstab.newstabstatus=="Conversation"){
                showConversation(newsStack.timelineIndex-1,newsModel.get(0).newsitemobject)}
            else{
                  Service.updateView(newstab.newstabstatus)
                    root.contactLoadType="news";
            }
        }
    }

    Timer {id:contacttimer; interval: 50; running: false; repeat: false
        onTriggered: {
           // downloadNotice.text=downloadNotice.text + "\n contactTimer start "+ Date.now()
            root.newContacts=Newsjs.findNewContacts(root.news,root.contactlist);
            Newsjs.storeNews(login,db,root.news,root)
        }
    }



    function showNews(newsToShow){
       try{if (newsStack.depth>1){newsStack.pop()}}catch(e){}
       newsBusy.running=false;
       var currentTime= new Date();
      // downloadNotice.text=downloadNotice.text + "\n shownews start "+ Date.now();
       //print("appendnews "+newsStack.appendNews +JSON.stringify(newsToShow))
       var msg = {'currentTime': currentTime, 'model': newsModel,'news':newsToShow,'appendnews':newsStack.appendNews};
       newsWorker.sendMessage(msg);
       newsStack.appendNews=false
    }



    function showConversation(conversationIndex,newsitemobject){
        //newsBusy.running=true;
        root.contactLoadType="conversation";
        newsStack.conversationIndex= conversationIndex;
        //print(newsitemobject.id);
        if(newsitemobject.messagetype==0){
            xhr.clearParams();
            xhr.setLogin(login.username+":"+Qt.atob(login.password));
            xhr.setUrl(login.server);
            xhr.setApi("/api/conversation/show");
            xhr.setParam("id",newsitemobject.id)
            xhr.get();
        }
        else{
            xhr.clearParams();
            xhr.setLogin(login.username+":"+Qt.atob(login.password));
            xhr.setUrl(login.server);
            xhr.setApi("/api/direct_messages/conversation");
            xhr.setParam("uri",newsitemobject.statusnet_conversation_id)
            xhr.get();
        }
    }

    function showContact(contact){
        var component = Qt.createComponent("qrc:/qml/contactqml/ContactDetailsComponent.qml");
        if (component.status== Component.Ready){
            var contactDetails = component.createObject(newstab,{"contact": contact})
        }
    }

    function search(term){//print("Search "+term)
        if (term!=""){
        newstab.newstabstatus="Search";
        newsBusy.running=true;
        xhr.setLogin(login.username+":"+Qt.atob(login.password));
        xhr.setUrl(login.server);
        xhr.setApi("/api/search");
        xhr.clearParams();
        xhr.setParam("q",term)
        xhr.get();}
        newsSearch.visible=false;
        newsView.anchors.topMargin=7*mm
    }


    function onFriendsMessages(friend){
        newstab.newstabstatus="Contact"
        Newsjs.newsfromdb(db,root.login.username, function(dbnews){
            if (dbnews.length==0){
                Newsjs.newsfromdb(db,login.username,function(forumnews){
                    showNews(forumnews)
                },friend.url)
            }
           else showNews(dbnews)
       },friend.id)
    }

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

    function sendUrls(urls){
        if((urls.length==1)&&(newsStack.depth<2)){
           newsStack.push([newslistRectangle,{item:"qrc:/qml/newsqml/MessageSend.qml",properties:{attachImageURLs:urls}}])
        }
    }

    function sendtext(text){
        if(text&&(newsStack.depth<2)){
            if (text.subject=="undefined"){text.subject=""}
             newsStack.push([newslistRectangle,{item:"qrc:/qml/newsqml/MessageSend.qml",properties:{bodyMessage:text.subject+"\n"+text.plaintext}}])
        }
    }

   StackView{
       id: newsStack
       anchors.fill:parent
       property int conversationIndex: 0
       property bool appendNews: false
       property var allchats: ({})
       initialItem:Rectangle {
           id:newslistRectangle
        y:1
        color: "white"

//        ComboBox{
//            id:newstabstatusCombo
//            anchors.top: parent.top
//            anchors.topMargin: 0.5*mm
//            width: 1/3*root.width
//            height: 5*mm;
//            style:
//                ComboBoxStyle{
//                    background: Rectangle {
//                        color:"light blue"
//                        radius: 0.5*mm
//                    }
//                    label: Text {
//                        verticalAlignment: Text.AlignVCenter
//                        horizontalAlignment: Text.AlignHCenter
//                        text: control.currentText
//                    }
//                }

//            model: ListModel {
//                id: newscomboItems
//                ListElement { type: "Timeline"; text: qsTr("Timeline")}
//                ListElement { type: "Conversations";text: qsTr("Conversations")}
//                ListElement { type: "Favorites";text: qsTr("Favorites") }
//                ListElement { type: "PublicTimeline";text: qsTr("Public timeline") }
//                ListElement { type: "DirectMessages";text: qsTr("Direct Messages") }
//                ListElement { type: "Notifications";text: qsTr("Notifications") }
//                ListElement { type: "Search";text: qsTr("Search") }
//                ListElement { type: "Groupnews"; text: qsTr("Group News") }
//                ListElement { type: "Quit";text: qsTr("Quit") }
//            }
//            currentIndex:(login.newsViewType=="Timeline")?0:1
//            onCurrentIndexChanged:{
//            //onActivated:{
//                print(newscomboItems.get(currentIndex).type);
//                switch(newscomboItems.get(currentIndex).type){
//                    case "Timeline":
//                        newstab.newstabstatus="Timeline";
//                        newsModel.clear();
//                        try{ Newsjs.newsfromdb(root.db,root.login.username, function(dbnews){
//                            showNews(dbnews)
//                        })}catch(e){Helperjs.showMessage("Error",e,root)}
//                        break;
//                    case "Conversations":
//                         newsModel.clear();
//                         newstab.newstabstatus="Conversations";
//                         Newsjs.chatsfromdb(db,root.login.username,function(news){showNews(news)})
//                         break;
//                    case "Favorites":
//                         newstab.newstabstatus="Favorites";
//                         root.contactLoadType="favorites";
//                         Service.updateView("Favorites");
//                         break;
//                    case "PublicTimeline":
//                         newstab.newstabstatus="Network";
//                         Service.updateView("Network");
//                         break;
//                    case "DirectMessages":
//                         newstab.newstabstatus="DirectMessages";
//                         Service.updateView("DirectMessages");
//                         break;
//                    case "Notifications":
//                         newstab.newstabstatus="Notifications";
//                         Service.updateView("Notifications");
//                         break;
//                    case "Search":
//                         newsView.anchors.topMargin=18*mm;
//                         newsSearch.visible=true
//                         break;
//                    case "Groupnews":
//                        Service.showGroups();
//                        break;
//                    case "Quit":
//                         Service.cleanNews(root.db,function(){
//                            Service.cleanContacts(root.login,root.db,function(){
//                                Qt.quit()})
//                            })
//                }
//            }
//        }

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

            Menu{id:newstabmenu
                MenuItem {
                    text: qsTr("Timeline")
                    onTriggered: {
                        newstab.newstabstatus="Timeline";
                        newsModel.clear();
                        try{ Newsjs.newsfromdb(root.db,root.login.username, function(dbnews){
                            showNews(dbnews)
                        })}catch(e){Helperjs.showMessage("Error",e,root)}}
                }
                MenuItem {
                    text: qsTr("Conversations")
                    onTriggered:{
                        newsModel.clear();
                        newstab.newstabstatus="Conversations";
                        Newsjs.chatsfromdb(db,root.login.username,function(news){showNews(news)})
                    }
                }
                MenuItem {
                    text: qsTr("Favorites")
                    onTriggered:{
                        newstab.newstabstatus="Favorites";
                     //   root.contactLoadType="favorites";
                        Service.updateView("Favorites")
                    }
                }
                MenuItem {
                    text: qsTr("Public timeline")
                    onTriggered:{
                        newstab.newstabstatus="Public Timeline";
                        Service.updateView("Public Timeline")
                    }
                }
                
                MenuItem {
                    text: qsTr("Direct Messages")
                    onTriggered:{
                        newstab.newstabstatus="Direct Messages";
                        Service.updateView("Direct Messages")
                    }
                }
                MenuItem {
                    text: qsTr("Notifications")
                    onTriggered:{
                        newstab.newstabstatus="Notifications";
                        Service.updateView("Notifications")
                    }
                }
                MenuItem {
                     text: qsTr("Group news")
                     onTriggered:Service.showGroups();
                }
                MenuItem {
                    text: qsTr("Quit")
                    onTriggered:{
                         Service.cleanNews(root.db,function(){
                             Service.cleanContacts(root.login,root.db,function(){
                                 Qt.quit()})
                             })
                    }
                }
            }
        }

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

           BlueButton {
             id: searchButton
             text: "\uf002"
             onClicked: {
                 if (newsSearch.visible==false){
                     newsView.anchors.topMargin=18*mm;
                     newsSearch.visible=true}
                 else{
                     newsSearch.visible=false;
                     newsView.anchors.topMargin=7*mm;
                 }
             }
           }

           BlueButton {
               id: newMessageButton
               text: "\uf040"
               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
//             text: "\uf08b"
//             onClicked: {Service.cleanNews(root.db,function(){
//                 Service.cleanContacts(root.login,root.db,function(){
//                    Qt.quit() })
//             })}
//           }
           BlueButton {
            id: update
            text: "\uf021"
            onClicked: {
                root.contactLoadType="news";
                Service.updateView(newstab.newstabstatus)
            }
        }

        }
        Component {  id:footerComponent
            Rectangle{
                border.color: "#EEEEEE"
                border.width: 1
                 width:newsView.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();
                        var lastnews_id=newsModel.get(newsModel.count-1).newsitemobject.created_at;
                        if(newstab.newstabstatus=="Timeline"){
                            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=="Conversations"){
                            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,lastnews_id)}
                        else if (newstab.newstabstatus=="Notifications"){}
                        else{
                            newsStack.appendNews=true;
                            xhr.setParam("max_id",newsModel.get(newsModel.count-1).newsitemobject.id-1);
                            xhr.get()
                     }}
                 }
             }
        }
        Rectangle{
            id: newsSearch
            color: "#FFFAFA"
            y:8*mm
            width:root.width
            height: 8*mm
            visible:false
            Search{
                anchors.fill: parent
                anchors.margins: mm
            }
        }
        ListView {
          id: newsView
          anchors.fill: parent
          anchors.topMargin: 7*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{}
          //onContentYChanged:{if(contentY<-8*mm&&contentY>(-8*mm-1)){print("refreshing");
          onDragEnded:{if(contentY<-5*mm){//print("refreshing");
                  root.contactLoadType="news";
                  var onlynew=true;
                  Service.updateView(newstab.newstabstatus)
              }}
        }

       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
       }
       Rectangle{
          id:downloadNotice
          property alias text: noticeText.text
          color:"white"
          border.color:"grey"
          z:1
          anchors.horizontalCenter: newsView.horizontalCenter
          anchors.bottom:newsView.bottom
          anchors.bottomMargin: 2*mm
          width: noticeText.width+2*mm
          height: noticeText.height+2*mm
          visible: (downloadNotice.text!="")
          
          Text{
              id:noticeText
              color: "grey"
              anchors.centerIn: parent
              width: contentWidth
              height: contentHeight
              font.pixelSize: 2*mm
              text:""
          }
       }

        Component.onCompleted: {
           root.messageSignal.connect(onFriendsMessages);
           root.directmessageSignal.connect(onDirectMessage);
           root.newsSignal.connect(showNews);
           root.uploadSignal.connect(sendUrls);
           root.sendtextSignal.connect(sendtext);
           try{newsModel.clear()} catch(e){}
           xhr.setLogin(login.username+":"+Qt.atob(login.password));
           xhr.setUrl(login.server);
            if(root.news.length>0){showNews(root.news)}
            else{ newstab.newstabstatus=login.newsViewType; 
                if(login.newsViewType=="Timeline"){Newsjs.newsfromdb(db,login.username,function(dbnews){showNews(dbnews)})}
                else{Newsjs.chatsfromdb(db,login.username,function(dbnews){showNews(dbnews)})}
            }
        }
     }
  }
}