//  This file is part of Friendiqa
//  https://github.com/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/>.

import QtQuick 2.0
import QtQuick.Controls 2.12
import Qt.labs.folderlistmodel 2.1
import "qrc:/js/service.js" as Service
import "qrc:/js/helper.js" as Helperjs
import "qrc:/qml/genericqml"

Rectangle{
    id:imageDialog
    z:2
    border.color: "grey"
    width: parent.width-4*mm
    height:parent.height-12*mm
    x:2*mm
    y:10*mm
    property string directory: ""
    property bool multiple: false
    property string imageUrl: ""
    property var imageUrls: []
    signal ready();
    function pickImage() {}

    Text{
        id:directoryText
         x:0.5*mm
         y:0.5*mm
         width: imageDialog.width-15*mm
         height:contentHeight
         wrapMode: Text.Wrap
         text: directory
    }
    Button{
        id:closeButton
        height: 3*root.fontFactor*osSettings.bigFontSize
        anchors.top: parent.top
        anchors.topMargin: 0.5*mm
        anchors.right: parent.right
        anchors.rightMargin: 1*mm
        text:   "\uf057"
        onClicked:{ready();imageDialog.destroy()}
    }

    ListView {
        id: imageView
        x:0.5*mm
        y: Math.max(directoryText.height, closeButton.height)+mm
        width: imageDialog.width-2*mm
        height: imageDialog.height-imageView.y-4*mm
        clip: true
        model: imageModel
        delegate: imageItem
    }

    FolderListModel{
        id: imageModel
        nameFilters: ["*.png", "*.jpg",".jpeg","*.JPG","*.gif"]
        sortField: FolderListModel.Time
        sortReversed:false
        showDotAndDotDot: true
        showDirs: true
        showDirsFirst: true
        folder:directory
    }

    BusyIndicator{
        id: imageBusy
        anchors.horizontalCenter: imageView.horizontalCenter
        anchors.top:imageView.top
        anchors.topMargin: 2*mm
        width:10*mm
        height: 10*mm
        running:false
    }

    Component{
        id:imageItem
        Item{
            width:imageView.width
            height:folderImage.height+2*mm
            Rectangle{
                id:imagetextRectangle
                color:"black"
                x:mm
                z:3
                opacity: fileIsDir?0:0.5
                width:imagetext.contentWidth
                height: imagetext.contentHeight
                anchors.bottom: folderImage.bottom
            }
            Text {
                id:imagetext
                x:fileIsDir?11*mm:mm
                z:4
                text: fileName
                width: fileIsDir?parent.width - 12*mm :imageView.width-mm
                anchors.bottom: folderImage.bottom
                color: fileIsDir?"black":"white"
                font.pointSize: osSettings.bigFontSize
                wrapMode:Text.Wrap
            }
            Text {
                id:selected
                anchors.right:parent.right
                visible: attachImageURLs.indexOf(fileURL)>-1
                z:4
                text: "\u2713"
                width: 10*mm
                anchors.top: folderImage.top
                color: "green"
                font.pointSize: 3*osSettings.bigFontSize
            }

            Image{id:folderImage
                 width: fileIsDir?10*mm: imageView.width-mm
                 fillMode:Image.PreserveAspectFit
                 source:fileIsDir?"qrc:/images/folder-blue.png":fileURL
                }

            MouseArea{
                anchors.fill: parent
                onClicked:{
                   if (fileName==".."){
                        imageModel.folder=imageModel.parentFolder;
                        directory=imageModel.parentFolder
                    }
                    else if (fileIsDir){
                        imageModel.folder=fileURL;
                        directory=fileURL
                    }
                    else{
                        if (multiple!=true){
                            //attachImageURLs.push(fileURL);
                            //attachImage(fileURL);
                            imageUrls.push(fileURL);
                            imageUrl=fileURL;
                            ready();
                            imageDialog.destroy()
                        }
                        else {
                            if(selected.visible==true){
                                imageUrls.splice(imageUrls.indexOf(fileURL,1))
                                selected.visible=false
                            }
                            else{
                                imageUrls.push(fileURL);
                                selected.visible=true;
    
                            }
                            imageUrl=fileURL
                        }
                    }
                }
            }
          }
     }
}