/*
    Speed Climbing Stopwatch - Simple Stopwatch for Climbers
    Copyright (C) 2018  Itsblue Development - Dorian Zeder

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published
    by the Free Software Foundation, version 3 of the License.

    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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import QtQuick 2.9
import QtMultimedia 5.8
import QtQuick.Window 2.2
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.3
import QtGraphicalEffects 1.0
 import QtQuick.Controls.Styles 1.4
import "./components"

Popup {
    id: root
    x: startButt.x
    y: startButt.y
    width: startButt.width
    height: startButt.height
    modal: true
    dim: false
    opacity: 0

    property var connections

    signal  connectRequested(var type)

    onConnectionsChanged: {
        //loop trough all connections
        for (var key in connections) {
            if(!connections[key])continue; //skip if empty to avoid errors
            //check if any connection is in the state "connecting"
            if(connections[key]["status"] === "connecting"){
                root.closePolicy = Popup.NoAutoClose //make the dalog non-closable
                return
            }
        }
        //if no connection is in "conecting" state make popup closable
        root.closePolicy = Popup.CloseOnPressOutside
    }

    function connect(type) {
        connectRequested(type)
    }

    enter: Transition {
        NumberAnimation { properties: "opacity"; to: 1; duration: 300; easing.type: Easing.InOutQuad }
    }

    exit: Transition {
        NumberAnimation { properties: "opacity"; to: 0; duration: 300; easing.type: Easing.InOutQuad }
    }

    background: Rectangle {
        radius: width * 0.5
        color: appTheme.style.viewColor
        border.color: appTheme.style.lineColor
        border.width: 0

        Behavior on color {
            ColorAnimation {
                duration: 200
            }
        }

        RectangularGlow {
            id: headerUnderlineEffect
            glowRadius: 7
            spread: 0.02
            color: "black"
            opacity: 0.18
            anchors.fill: headlineUnderline
            scale: 1
        }

        Canvas {

            id: headerBackground

            anchors {
                left: parent.left
                right: parent.right
                top: parent.top
                bottom: headlineUnderline.bottom
            }

            height: header.height
            width: header.width

            property color color: appTheme.style.viewColor

            Behavior on color {
                ColorAnimation {
                    duration: 200
                }
            }

            onColorChanged: {
                requestPaint()
            }

            onPaint: {
                var ctx = getContext("2d");
                ctx.reset();

                var centreX = root.width / 2;
                var centreY = root.height / 2;

                ctx.beginPath();
                ctx.fillStyle = headerBackground.color
                ctx.moveTo(centreX, centreY);
                ctx.arc(centreX, centreY, root.width / 2, 1 * Math.PI, 2*Math.PI, false);
                //ctx.lineTo(centreX, centreY);
                ctx.fill();
            }
        }

        Item {
            id: header

            anchors {
                left: parent.left
                right: parent.right
                top: parent.top
                bottom: headlineUnderline.bottom
            }

            Label {
                id: head_text

                anchors {
                    centerIn: parent
                }

                width: headlineUnderline.width * 0.4
                height: parent.height

                fontSizeMode: Text.Fit
                verticalAlignment: Text.AlignVCenter
                horizontalAlignment: Text.AlignHCenter

                text: options_stack.currentItem.title
                font.pixelSize: headlineUnderline.width * 0.1
                color: enabled ? appTheme.style.textColor:appTheme.style.disabledTextColor
            }
        }

        Rectangle {
            id: headlineUnderline
            height: 1
            width: parent.width
            color: appTheme.style.lineColor
            visible: false
            anchors {
                top: parent.top
                left: parent.left
                right: parent.right
                topMargin: parent.height * 0.15
                rightMargin: parent.radius - Math.sqrt(Math.pow(parent.radius,2)-Math.pow(parent.radius-anchors.topMargin,2))
                leftMargin: parent.radius - Math.sqrt(Math.pow(parent.radius,2)-Math.pow(parent.radius-anchors.topMargin,2))
            }
        }

        FancyButton {
            id: head_back
            anchors {
                left: parent.left
                leftMargin: parent.width * 0.17
                top:parent.top
                topMargin: parent.height * 0.01
            }

            height: parent.height * 0.13
            width: height
            //opacity: root.closePolicy === Popup.NoAutoClose ? 0:1
            enabled: opacity > 0

            glowOpacity: Math.pow( root.opacity, 100 )

            backgroundColor: appTheme.style.buttonColor
            image: appTheme.style.backIcon

            onClicked: {
                options_stack.depth > 1 ? options_stack.pop():root.close()
            }

            Behavior on opacity {
                NumberAnimation {
                    duration: 200
                }
            }
        }
    }

    StackView {
        id: options_stack
        property int delegateHeight: height * 0.2
        property int rowSpacing: height * 0.01
        initialItem: settings
        width: headlineUnderline.width

        enabled: opacity !== 0 //disable when not visible

        anchors  {
            top: parent.top
            left: parent.left
            leftMargin: ( parent.width - headlineUnderline.width ) / 2
            topMargin: headlineUnderline.anchors.topMargin * 0.95
            bottom: parent.bottom
        }

        Behavior on opacity {
            NumberAnimation {duration: 200}
        }

        /*-----start page of the settings-----*/
        Component {
            id: settings

            Column {
                id: settings_col

                property string title: qsTr("Options")
                spacing: options_stack.rowSpacing

                /*----Connect to external devices----*/
                NextPageDelegate {
                    id: connect_del

                    height: options_stack.delegateHeight

                    text: qsTr("Base Station")
                    onClicked: {
                        options_stack.push(connect)
                    }
                }

                /*----Automated Start----*/
                NextPageDelegate {
                    id: autostart_del

                    height: options_stack.delegateHeight

                    text: qsTr("start sequence")

                    onClicked: {
                        options_stack.push(autostart)
                    }
                }

                /*----Style Settings----*/
                SmoothSwitchDelegate {
                    id: styleDel
                    text: qsTr("dark mode")

                    width: parent.width
                    height: options_stack.delegateHeight

                    checked: speedBackend.readSetting("theme") === "Dark"

                    onCheckedChanged: {
                        speedBackend.writeSetting("theme", checked ? "Dark":"Light")
                        appTheme.refreshTheme()
                    }
                }
            }
        }

        /*-----Page to setup automatc start sequence-----*/
        Component {
            id: autostart
            Column {
                id: autostart_col

                spacing: options_stack.rowSpacing

                property string title: "Autostart"

                function updateSetting(key, val, del){
                    speedBackend.writeSetting(key, val)
                }

                function loadSetting(key, del){
                    var val

                    val = speedBackend.readSetting(key)

                    return val
                }

                SmoothSwitchDelegate {
                    id: ready_del

                    width: parent.width
                    height: options_stack.delegateHeight

                    text: qsTr("say 'ready'")

                    checked: parent.loadSetting("ready_en", ready_del) === "true"

                    onCheckedChanged: {
                        parent.updateSetting("ready_en",checked, ready_del)
                    }
                }

                InputDelegate {
                    id: ready_delay_del

                    width: parent.width
                    height: options_stack.delegateHeight

                    enabled: ready_del.checked

                    text: qsTr("delay (ms)")
                    inputHint: qsTr("time")
                    inputMethodHints: Qt.ImhFormattedNumbersOnly

                    inputText: autostart_col.loadSetting("ready_delay", ready_del)

                    onInputTextChanged: {
                        autostart_col.updateSetting("ready_delay", inputText, ready_delay_del)
                    }
                }

                SmoothSwitchDelegate {
                    id: at_marks_del

                    width: parent.width
                    height: options_stack.delegateHeight

                    text: qsTr("say 'at your marks'")

                    checked: autostart_col.loadSetting("at_marks_en", ready_del) === "true"

                    onCheckedChanged: {
                        parent.updateSetting("at_marks_en",at_marks_del.checked, at_marks_del)
                    }
                }

                InputDelegate {
                    id: at_marks_delay_del

                    width: parent.width
                    height: options_stack.delegateHeight

                    text: qsTr("delay (ms)")
                    inputHint: qsTr("time")
                    inputMethodHints: Qt.ImhFormattedNumbersOnly

                    enabled: at_marks_del.checked

                    inputText: autostart_col.loadSetting("at_marks_delay", at_marks_delay_del)

                    onInputTextChanged: {
                        autostart_col.updateSetting("at_marks_delay", inputText, at_marks_delay_del)
                    }
                }
            }
        }

        /*-----Page to connect to extenstions like a startpad or buzzer-----*/
        Component {
            id: connect
            Column {
                id: connectCol
                property string title: qsTr("Base Station")

                spacing: options_stack.rowSpacing

                function baseConnected(){
                    return speedBackend.baseStationState === "connected"
                }

                ConnectionDelegate {
                    id: connectToBaseDel
                    text: status.status === "connected" ? qsTr("disconnect"): status.status === "disconnected" ? qsTr("connect"):qsTr("connecting...")

                    status: { "status": speedBackend.baseStationState }
                    connect: speedBackend.connectBaseStation
                    disconnect: speedBackend.disconnectBaseStation
                    type: "baseStation"

                    width: parent.width
                    height: options_stack.delegateHeight

                    font.pixelSize: height * 0.6
                }

                InputDelegate {
                    id: baseStationIpDel

                    text: qsTr("IP-Adress")

                    inputHint: "IP"
                    inputText: speedBackend.readSetting("baseStationIpAdress")
                    inputTextFieldWidth: width * 0.7

                    onInputTextChanged: {
                        speedBackend.writeSetting("baseStationIpAdress", inputText)
                        speedBackend.reloadBaseStationIpAdress()
                    }

                    width: parent.width
                    height: !connectCol.baseConnected() ? options_stack.delegateHeight:0

                    visible: height > 5

                    Behavior on height {
                        NumberAnimation {
                            duration: 400
                            easing.type: Easing.Linear
                        }
                    }
                }

                NextPageDelegate {
                    id: baseStationConnectionsDel
                    text: qsTr("connected extensions")

                    width: parent.width
                    height: connectCol.baseConnected() ? options_stack.delegateHeight:0

                    visible: height > 5

                    onClicked: {
                        options_stack.push(baseStationConnections)
                    }

                    Behavior on height {
                        NumberAnimation {
                            duration: 400
                            easing.type: Easing.Linear
                        }
                    }
                }
            }
        }

        /*-----Page to view devices that core connected to the pase startion-----*/
        Component{
            id: baseStationConnections
            ListView {
                id: baseStationConnections_list

                property string title: qsTr("connections")

                spacing: options_stack.rowSpacing
                boundsBehavior: Flickable.StopAtBounds

                model: speedBackend.baseStationConnections.length
                delegate: ConnectionDelegate {

                    opacity: 1

                    width: parent.width
                    height: options_stack.delegateHeight

                    text: speedBackend.baseStationConnections[index]["name"]
                    status: {'status': speedBackend.baseStationConnections[index]["state"], 'progress': speedBackend.baseStationConnections[index]["progress"]}
                }
            }
        }

        /*-----Custom animations-----*/

        pushEnter: Transition {
            NumberAnimation {
                property: "opacity"
                from: 0
                to: 1
                duration: 300
                easing.type: Easing.InOutQuad
            }
        }
        pushExit: Transition {
            NumberAnimation {
                property: "opacity"
                from: 1
                to: 0
                duration: 300
                easing.type: Easing.InOutQuad
            }
        }

        popExit: Transition {
            NumberAnimation {
                property: "opacity"
                from: 1
                to: 0
                duration: 300
                easing.type: Easing.InOutQuad
            }
        }
        popEnter: Transition {
            NumberAnimation {
                property: "opacity"
                from: 0
                to: 1
                duration: 300
                easing.type: Easing.InOutQuad
            }
        }
    }


}