/*
 *  Copyright 2015 Marco Martin <mart@kde.org>
 *
 *  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 2 of the License, or
 *  (at your option) any later version.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
 */

import QtQuick 2.1
import QtQuick.Layouts 1.1

import MeeGo.QOfono 0.2

import org.kde.plasma.plasmoid 2.0
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents

import org.kde.plasma.workspace.components 2.0 as PlasmaWorkspace

import "LayoutManager.js" as LayoutManager

PlasmaCore.ColorScope {
    id: root
    width: 480
    height: 640
    colorGroup: PlasmaCore.Theme.ComplementaryColorGroup

    property Item toolBox
    property int buttonHeight: width/4
    property bool reorderingApps: false
    property QtObject expandedApplet

    Containment.onAppletAdded: {
        addApplet(applet, x, y);
        LayoutManager.save();
    }

    function addApplet(applet, x, y) {
        var container = appletContainerComponent.createObject(layout)
        container.visible = true
        print("Applet added: " + applet + " " + applet.title)

        var appletWidth = applet.width;
        var appletHeight = applet.height;
        applet.parent = container;
        container.applet = applet;
        //applet.anchors.fill = container;
        applet.anchors.left = container.left;
        applet.anchors.right = container.right;
        applet.height = units.iconSizes.medium
        applet.visible = true;
        container.visible = true;

        // If the provided position is valid, use it.
        if (x >= 0 && y >= 0) {
            var index = LayoutManager.insertAtCoordinates(container, x , y);

        // Fall through to determining an appropriate insert position.
        } else {
            var before = null;

            if (lastSpacer.parent === layout) {
                before = lastSpacer;
            }

            if (before) {
                LayoutManager.insertBefore(before, container);

            // Fall through to adding at the end.
            } else {
                container.parent = layout;
            }

            //event compress the enable of animations
            //startupTimer.restart();
        }

        if (applet.Layout.fillWidth) {
            lastSpacer.parent = root;
        } else {
            lastSpacer.parent = layout;
        }
    }

    Component.onCompleted: {
        LayoutManager.plasmoid = plasmoid;
        LayoutManager.root = root;
        LayoutManager.layout = layout;
        LayoutManager.restore();
    }

    PlasmaCore.DataSource {
        id: statusNotifierSource
        engine: "statusnotifieritem"
        interval: 0
        onSourceAdded: {
            connectSource(source)
        }
        Component.onCompleted: {
            connectedSources = sources
        }
    }

    RowLayout {
        id: appletsLayout
        Layout.minimumHeight: Math.max(root.height, Math.round(Layout.preferredHeight / root.height) * root.height)
    }
 
    Component {
        id: appletContainerComponent
        Item {
            property Item applet
            Layout.fillWidth: true
            clip: true
            anchors {
               left: parent.left
               right: parent.right
            }
            height: applet && applet.expanded ? Math.max(applet.fullRepresentationItem.Layout.minimumHeight, units.iconSizes.medium) : units.iconSizes.medium
            Behavior on height {
                NumberAnimation {
                    duration: units.shortDuration
                    easing.type: Easing.InOutQuad
                }
            }
            Connections {
                target: applet
                onExpandedChanged: {
                    if (!applet.expanded && root.expandedApplet == applet) {
                        root.expandedApplet = null;
                        return;
                    }
                    if (root.expandedApplet) {
                        root.expandedApplet.expanded = false;
                    }
                    root.expandedApplet = applet;
                }
            }
        }
    }

    Component {
        id: tabComponent
        PlasmaComponents.TabButton {
            width: parent.width / parent.children.length
            height: units.iconSizes.huge
        }
    }


    PlasmaCore.DataSource {
        id: timeSource
        engine: "time"
        connectedSources: ["Local"]
        interval: 60 * 1000
    }

    OfonoManager {
        id: ofonoManager
        onAvailableChanged: {
           console.log("Ofono is " + available)
        }
        onModemAdded: {
            console.log("modem added " + modem)
        }
        onModemRemoved: console.log("modem removed")
    }

    OfonoNetworkRegistration {
        id: netreg
        Component.onCompleted: {
            netreg.scan()
            updateStrengthIcon()
        }

        onNetworkOperatorsChanged : {
            console.log("operators :"+netreg.currentOperator["Name"].toString())
        }
        modemPath: ofonoManager.modems.length ? ofonoManager.modems[0] : ""
        function updateStrengthIcon() {
            if (netreg.strength >= 100) {
                strengthIcon.source = "network-mobile-100";
            } else if (netreg.strength >= 80) {
                strengthIcon.source = "network-mobile-80";
            } else if (netreg.strength >= 60) {
                strengthIcon.source = "network-mobile-60";
            } else if (netreg.strength >= 40) {
                strengthIcon.source = "network-mobile-40";
            } else if (netreg.strength >= 20) {
                strengthIcon.source = "network-mobile-20";
            } else {
                strengthIcon.source = "network-mobile-0";
            }
        }

        onStrengthChanged: {
            console.log("Strength changed to " + netreg.strength)
            updateStrengthIcon()
        }
    }

    Rectangle {
        parent: slidingPanel.visible ? panelContents : root
        anchors {
            left: parent.left
            right: parent.right
            bottom: parent.bottom
        }
        height: root.height
        color: PlasmaCore.ColorScope.backgroundColor

        PlasmaCore.IconItem {
            id: strengthIcon
            colorGroup: PlasmaCore.ColorScope.colorGroup
            anchors {
                left: parent.left
                verticalCenter: parent.verticalCenter
            }
            width: height
            height: parent.height
        }
        PlasmaComponents.Label {
            anchors {
                left: strengthIcon.right
                verticalCenter: parent.verticalCenter
            }
            text: netreg.strength + "% " + netreg.name
            color: PlasmaCore.ColorScope.textColor
            font.pixelSize: parent.height / 2
        }

        PlasmaComponents.Label {
            id: clock
            anchors.fill: parent
            text: Qt.formatTime(timeSource.data.Local.DateTime, "hh:mm")
            color: PlasmaCore.ColorScope.textColor
            horizontalAlignment: Qt.AlignHCenter
            verticalAlignment: Qt.AlignVCenter
            font.pixelSize: height / 2
        }

        Row {
            anchors.right: batteryIcon.left
            height: parent.height
            Repeater {
                id: statusNotifierRepeater
                model: PlasmaCore.SortFilterModel {
                    id: filteredStatusNotifiers
                    filterRole: "Title"
                    filterRegExp: tasksRow.skipItems
                    sourceModel: PlasmaCore.DataModel {
                        dataSource: statusNotifierSource
                    }
                }

                delegate: TaskWidget {
                }
            }
        }

        PlasmaWorkspace.BatteryIcon {
            id: batteryIcon
            anchors {
                right: parent.right
                verticalCenter: parent.verticalCenter
            }
            width: height
            height: parent.height
            hasBattery: pmSource.data["Battery"]["Has Battery"]
        // batteryType: "Phone"
            percent: pmSource.data["Battery0"] ? pmSource.data["Battery0"]["Percent"] : 0

            PlasmaCore.DataSource {
                id: pmSource
                engine: "powermanagement"
                connectedSources: sources
                onSourceAdded: {
                    disconnectSource(source);
                    connectSource(source);
                }
                onSourceRemoved: {
                    disconnectSource(source);
                }
            }
        }
        Rectangle {
            height: units.smallSpacing/2
            color: PlasmaCore.ColorScope.highlightColor
            anchors {
                left: parent.left
                right: parent.right
                bottom: parent.bottom
            }
        }
    }
    MouseArea {
        property int oldMouseY: 0

        anchors.fill: parent
        onPressed: {
            oldMouseY = mouse.y;
            slidingPanel.visibility = Qt.WindowFullScreen;
        }
        onPositionChanged: {
            //var factor = (mouse.y - oldMouseY > 0) ? (1 - Math.max(0, (slidingArea.y + slidingPanel.overShoot) / slidingPanel.overShoot)) : 1
            var factor = 1;
            slidingPanel.offset = slidingPanel.offset + (mouse.y - oldMouseY) * factor;
            oldMouseY = mouse.y;
        }
        onReleased: slidingPanel.updateState();
    }

    SlidingPanel {
        id: slidingPanel
        width: plasmoid.availableScreenRect.width
        height: plasmoid.availableScreenRect.height
        contents: Item {
            id: panelContents
            anchors.fill: parent
            clip: true

            Item {
                id: lastSpacer
                Layout.fillWidth: true
                Layout.fillHeight: true
            }
            Column {
                id: layout
                anchors.fill: parent
                spacing: units.smallSpacing
            }
        }
    }
}