/*
    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 QtGraphicalEffects 1.0
import "."
import "./components"
import "./ProfilesDialog"
//import QtQuick.Layouts 1.11

import com.itsblue.speedclimbingstopwatch 2.0

Window {
    visible: true
    width: 540
    height: 960
    title: qsTr("Speedclimbing stw")
    property date currentTime: new Date()
    property int millis: 0

    Page {
        id:root
        anchors.fill: parent

        //set default state to IDLE
        state: "IDLE"

        Rectangle {
            id: backgroundRect
            anchors.fill: parent
            color: appTheme.style.backgroundColor

            Behavior on color {
                ColorAnimation {
                    duration: 200
                }
            }
        }

        SpeedBackend {
            id: speedBackend

            onStateChanged: {
                var stateString
                console.log("race state changed to: " + state)
                switch (state){
                case 0:
                    stateString = "IDLE"
                    break;
                case 1:
                    stateString = "STARTING"
                    settingsDialog.close()
                    profilesDialog.close()
                    break;
                case 2:
                    stateString = "WAITING"
                    settingsDialog.close()
                    profilesDialog.close()
                    break;
                case 3:
                    stateString = "RUNNING"
                    settingsDialog.close()
                    profilesDialog.close()
                    break;
                case 4:
                    stateString = "STOPPED"
                    settingsDialog.close()
                    profilesDialog.close()
                }
                root.state = stateString
            }
        }

        AppTheme {
            id: appTheme
        }

        /*------------------------
          Timer text an upper line
        ------------------------*/
        RectangularGlow {
            id: effect_2
            glowRadius: 7
            spread: 0.02
            color: "black"
            opacity: 0.18
            anchors.fill: topContainerItm
            scale: 1
        }

        Item {
            id: topContainerItm

            anchors {
                top: parent.top
                left: parent.left
                right: root.landscape() ? startButt.left:parent.right
                bottom: root.landscape() ? parent.bottom:startButt.top
                bottomMargin: root.landscape() ? undefined:parent.height * 0.1
                rightMargin: root.landscape() ? parent.width * 0.05:0
            }

            Rectangle {
                anchors.fill: parent
                color: appTheme.style.menuColor

                Behavior on color {
                    ColorAnimation {
                        duration: 200
                    }
                }
            }

            Text {
                id: topLa

                anchors.centerIn: parent

                opacity: ( speedBackend.state < 3 ) ? 1:0

                width: parent.width * 0.7

                text: qsTr("Click Start to start")

                color: appTheme.style.textColor

                fontSizeMode: Text.Fit

                verticalAlignment: Text.AlignVCenter
                horizontalAlignment: Text.AlignHCenter

                font.pixelSize: root.landscape() ? parent.width * 0.15 : parent.height * 0.4

                minimumPixelSize: 1

                Behavior on text {
                    FadeAnimation{
                        target: topLa
                        fadeDuration: 100
                    }
                }
            }

            Column {
                id: timerCol

                anchors.fill: parent

                opacity: ( speedBackend.state < 3 ) ? 0:1

                spacing: height * 0.05

                Repeater {
                    id: timerRep

                    model: speedBackend.timers.length

                    delegate: Item {
                        id: timerDel

                        width: parent.width
                        height: timerRep.model > 1 ? ( timerCol.height * 0.9 ) / timerRep.model:timerCol.height

                        Label {
                            id: timerTextLa

                            anchors.centerIn: parent

                            width: ( parent.width * 0.8 )
                            height: parent.height

                            elide: "ElideRight"
                            color: speedBackend.timers[index]["state"] === "WON" ? "green" :
                                   speedBackend.timers[index]["state"] === "LOST" ? "red":
                                   appTheme.style.textColor

                            enabled: speedBackend.timers[index]["state"] !== "DISABLED"

                            text: speedBackend.timers[index]["text"]

                            fontSizeMode: Text.Fit

                            verticalAlignment: Text.AlignVCenter
                            horizontalAlignment: Text.AlignHCenter

                            font.pixelSize: root.landscape() ? parent.width * 0.15 : parent.height * 0.4

                            minimumPixelSize: 1

                            Behavior on text {
                                enabled: root.state !== "RUNNING"
                                FadeAnimation {
                                    target: timerTextLa
                                }
                            }
                        }

                        Label {
                            id: react_time

                            property int rtime: speedBackend.timers[index]["reacttime"]

                            anchors {
                                centerIn: parent
                                verticalCenterOffset: parent.height * 0.25
                            }

                            width: ( parent.width * 0.6 )
                            height: parent.height

                            fontSizeMode: Text.Fit

                            verticalAlignment: Text.AlignVCenter
                            horizontalAlignment: Text.AlignHCenter

                            text: qsTr("reaction time (ms):  ") + Math.round(rtime)

                            opacity: (root.state === "RUNNING" || root.state === "STOPPED") && rtime !== 0 ? 1:0

                            color: appTheme.style.textColor

                            font.pixelSize: timerTextLa.font.pixelSize * 0.5
                        }
                    }
                }

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

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

        Item {
            id: connectionIconContainer

            anchors {
                top: parent.top
                left: parent.left
                right: parent.right
                bottom: parent.bottom
                bottomMargin: root.landscape() ? 0:parent.height * 0.8
                rightMargin: root.landscape() ? parent.width * 0.8:0
            }

            ConnectionIcon {
                id: baseConnConnIcon
                status: speedBackend.baseStationState

                source: appTheme.style.baseStationIcon
                anchors {
                    top: parent.top
                    topMargin: 10
                    left: parent.left
                    leftMargin: 10
                }
                scale: 1.3
                height: !root.landscape()? parent.height*0.3:parent.width*0.3
            }

            Row {
                id: connectedExtensionsRow

                anchors {
                    top: parent.top
                    topMargin: 10
                    left: baseConnConnIcon.right
                    leftMargin: 1
                }

                height: parent.height
                width: parent.width

                Repeater {
                    id: connectedExtensionsRep
                    anchors.fill: parent
                    model: speedBackend.baseStationConnections.length
                    delegate: ConnectionIcon {
                        id: buzzerConnIcon
                        status: speedBackend.baseStationConnections[index]["state"]

                        source: {
                            var source
                            switch(speedBackend.baseStationConnections[index]["type"]){
                            case "STARTPAD":
                                source = appTheme.style.startpadIcon
                                break
                            case "TOPPAD":
                                source = appTheme.style.buzzerIcon
                                break
                            }
                        }

                        scale: 0

                        height: !root.landscape()? parent.height*0.17:parent.width*0.17
                        width: status === "disconnected" ? 0:height

                        Component.onCompleted: {
                            scale = 1
                        }

                        Behavior on scale {
                            NumberAnimation {
                                duration: 200
                            }
                        }

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

        Rectangle {
            id: upper_line
            width: root.landscape() ? 1:parent.width
            height: root.landscape() ? parent.height:1
            color: appTheme.style.lineColor
            anchors.left: root.landscape() ? topContainerItm.right:parent.left
            anchors.top: root.landscape() ? parent.top:topContainerItm.bottom
            anchors.bottom: root.landscape() ? parent.bottom:undefined
            visible: false
        }

        // ----------------------------------
        // -- Start / Stop / Reset button ---
        // ----------------------------------
        FancyButton {
            id : startButt

            text: qsTr("start")
            property int size: root.landscape() ? parent.width * 0.5:parent.height * 0.5
            anchors {
                bottom: parent.bottom
                bottomMargin: root.height * 0.5 - height * 0.5
                right: parent.right
                rightMargin: root.width * 0.5 - width * 0.5
            }
            contentItem: Text {
                //make text disappear
            }
            height: root.landscape() ? (size > parent.height * 0.9 ? parent.height * 0.9:size) : (size > parent.width * 0.9 ? parent.width * 0.9:size)
            width: height

            Label {
                id: startButt_text
                text: startButt.text
                anchors.centerIn: parent
                font.pixelSize: parent.height * 0.16
                font.family: "Helvetica"
                color: enabled ? appTheme.style.textColor:appTheme.style.disabledTextColor
            }

            backgroundColor: appTheme.style.buttonColor

            Behavior on text {
                //animate a text change
                enabled: true
                FadeAnimation {
                    target: startButt_text
                }
            }

            onClicked: {
                switch(root.state) {
                case "IDLE":
                    root.start()
                    break
                case "RUNNING":
                    root.stop(0)
                    break
                case "STOPPED":
                    root.reset()
                    break
                }
            }
        }

        ProgressCircle {
            id: prog
            anchors.fill: startButt
            opacity: root.state === "STARTING" || root.state === "IDLE" ? 1:0

            scale: startButt.scale

            lineWidth: 5

            arcBegin: 0
            arcEnd: 360 * speedBackend.nextStartActionDelayProgress

            colorCircle: "grey"

            Behavior on opacity {
                NumberAnimation {
                    duration: 200
                }
            }

            animationDuration: speedBackend.mode === 1 ? 150:0
        }

        /*----------------------
          Cancel button
        ----------------------*/
        FancyButton {
            id: cancelButt

            text: qsTr("cancel")
            anchors {
                right: startButt.right
                bottom: startButt.bottom
            }
            contentItem: Text {
                //make text disappear
            }
            height: startButt.height * 0.3
            scale: 0
            width: height

            enabled: root.state === "STARTING"

            onClicked: {
                root.stop(1)
            }

            Behavior on scale {
                PropertyAnimation {
                    duration: 200
                }
            }

            Label {
                id: cancelButt_text
                text: cancelButt.text
                anchors.centerIn: parent
                font.pixelSize: parent.height * 0.16
                font.family: "Helvetica"
                color: appTheme.style.textColor
            }

            backgroundColor: appTheme.style.buttonColor
        }

        /*------
          Popups
        ------*/
        SettingsDialog{
            id: settingsDialog

            x: startButt.x
            y: startButt.y
            width: startButt.width
            height: startButt.height
        }

        ProfilesDialog {
            id: profilesDialog

            property int margin: root.landscape() ? root.height * 0.05:root.width * 0.05

            x: root.landscape() ? topContainerItm.width + margin:topContainerItm.x + margin
            y: !root.landscape() ? topContainerItm.height + margin:topContainerItm.x + margin
            width: root.landscape() ? root.width - topContainerItm.width - menu_container.width - margin * 2 : root.width - margin * 2
            height: !root.landscape() ? root.height - topContainerItm.height - menu_container.height - margin * 2 : root.height - margin * 2
        }

        /*-------------------
          lower line and menu
        -------------------*/

        Rectangle {
            id: lowerLine
            width: root.landscape() ? 1:parent.width
            height: root.landscape() ? parent.height:1
            color: appTheme.style.lineColor
            anchors.right: root.landscape() ? menu_container.left:parent.right
            anchors.bottom: root.landscape() ? parent.bottom:menu_container.top
            anchors.top: root.landscape() ? parent.top:undefined
            visible: false
        }

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

        Item {
            id: menu_container

            anchors {
                bottom: parent.bottom
                right: parent.right
                left: root.landscape() ? startButt.right:parent.left
                top: root.landscape() ? parent.top:startButt.bottom
                topMargin: root.landscape() ? undefined:parent.height * 0.1
                leftMargin: root.landscape() ? parent.width * 0.05:0
            }

            Rectangle {
                id: lowerMenuBackground
                anchors.fill: parent
                color: appTheme.style.menuColor

                Behavior on color {
                    ColorAnimation {
                        duration: 200
                    }
                }
            }

            Grid {
                id: loweMenuGrd

                property int spacingMultiplier: 200 * (getActiveChildren() - 1)
                property int activeChildren: getActiveChildren()

                function getActiveChildren() {
                    var childrenCount = 0
                    for (var i = 0; i < children.length; i++)
                    {
                        if(children[i].enabled){
                            childrenCount ++
                        }
                    }

                    return childrenCount
                }

                anchors.centerIn: parent

                height: childrenRect.height
                width: childrenRect.width

                rows: root.landscape() ? activeChildren:1
                columns: root.landscape() ? 1:activeChildren

                spacing: 0// root.landscape() ? parent.height * spacingMultiplier * 0.001:parent.width * spacingMultiplier * 0.001

                Behavior on spacingMultiplier {
                    NumberAnimation {
                        duration: 200
                    }
                }

                FancyButton {
                    id: settingsButt

                    height: root.landscape() ? menu_container.width * 0.7:menu_container.height * 0.7
                    width: height

                    onClicked: {
                        settingsDialog.open()
                    }

                    image: appTheme.style.settIcon

                    backgroundColor: parent.pressed ? appTheme.style.buttonPressedColor:appTheme.style.buttonColor

                }

                Item {
                    height: profilesButt.height
                    width: profilesButt.height
                }

                FancyButton {
                    id: profilesButt

                    enabled: height > 0

                    state: speedBackend.baseStationState === "connected" ? "visible":"hidden"
                    width:  height

                    onClicked: {
                        profilesDialog.open()
                    }

                    image: appTheme.style.profilesIcon

                    backgroundColor: parent.pressed ? appTheme.style.buttonPressedColor:appTheme.style.buttonColor

                    states: [
                        State {
                            name: "hidden"
                            PropertyChanges {
                                target: profilesButt
                                height: 0
                            }
                        },
                        State {
                            name: "visible"
                            PropertyChanges {
                                target: profilesButt
                                height: root.landscape() ? menu_container.width * 0.7:menu_container.height * 0.7
                            }
                        }
                    ]

                    transitions: [
                        Transition {
                            NumberAnimation {
                                properties: "height"
                            }
                        }
                    ]
                }
            }
        }

        /*----------------------
          Timer states
        ----------------------*/
        states: [
            State {
                name: "IDLE"
                //state for the start page
                PropertyChanges {
                    target: topContainerItm;
                    anchors.bottomMargin: root.landscape() ? undefined:parent.height * 0.1;
                    anchors.rightMargin: root.landscape() ? parent.height * 0.05:0
                }
                PropertyChanges {
                    target: startButt;
                    enabled: true; text: qsTr("start");
                    size: root.landscape() ? parent.width * 0.5:parent.height * 0.5
                    anchors.bottomMargin: parent.height * 0.5 - startButt.height * 0.5
                    anchors.rightMargin: parent.width * 0.5 - startButt.width * 0.5
                }
                PropertyChanges {
                    target: topLa
                    text: qsTr("Click Start to start")
                }

            },
            State {
                name: "WAITING"
                //state when a false start occured and waiting for time calculation
                PropertyChanges {
                    target: startButt; enabled: false; text: qsTr("waiting...");
                    anchors.rightMargin: root.landscape() ? parent.width * 0.05:parent.width * 0.5 - startButt.width * 0.5 //put the button more to the right to hide the menu (only in landscape mode)
                    anchors.bottomMargin: root.landscape() ? parent.height * 0.5 - startButt.height * 0.5:parent.height * 0.1 //put the button lower to hide the menu (only in portrait mode)
                }
                PropertyChanges { target: cancelButt; scale: 0; enabled: false}
                PropertyChanges { target: menu_container; }
                PropertyChanges {
                    target: topLa
                    text: qsTr("please wait...")
                }
            },
            State {
                name: "STARTING"
                //state for the start sequence
                PropertyChanges { target: startButt; enabled: false; text: qsTr("starting...");
                    anchors.rightMargin: root.landscape() ? parent.width * 0.05:parent.width * 0.5 - startButt.width * 0.5 //put the button more to the right to hide the menu (only in landscape mode)
                    anchors.bottomMargin: root.landscape() ? parent.height * 0.5 - startButt.height * 0.5:parent.height * 0.1 //put the button lower to hide the menu (only in portrait mode)
                }
                PropertyChanges { target: cancelButt; scale: 1}
                PropertyChanges { target: menu_container; }
                PropertyChanges {
                    target: topLa
                    text: qsTr("starting...")
                }

            },
            State {
                name: "RUNNING"
                //state when the timer is running
                PropertyChanges { target: startButt; enabled: true;
                    text: "stop"
                    anchors.rightMargin: root.landscape() ? parent.width * 0.05:parent.width * 0.5 - startButt.width * 0.5 //put the button more to the right to hide the menu (only in landscape mode)
                    anchors.bottomMargin: root.landscape() ? parent.height * 0.5 - startButt.height * 0.5:parent.height * 0.1 //put the button lower to hide the menu (only in portrait mode)
                }
                PropertyChanges {
                    target: topLa
                    text: ""
                }
            },

            State {
                name: "STOPPED"
                //state when the meassuring is over
                PropertyChanges {
                    target: startButt;
                    enabled: true; text: qsTr("reset");
                    size: root.landscape() ? parent.height * 0.35:parent.height * 0.2;
                    anchors.bottomMargin: root.landscape() ? parent.height * 0.5 - startButt.height * 0.5:parent.height * 0.2 - startButt.height * 0.5
                    anchors.rightMargin: root.landscape() ? parent.height * 0.2 - startButt.height * 0.5:parent.width * 0.5 - startButt.width * 0.5
                }
                PropertyChanges {
                    target: topContainerItm;
                    anchors.rightMargin: root.landscape() ? 0-startButt.width/2:undefined
                    anchors.bottomMargin: root.landscape() ? undefined:0-startButt.height/2
                }
                PropertyChanges {
                    target: topLa
                    text: ""
                }
            }
        ]

        /*----------------------
          Timer animations
        ----------------------*/
        transitions: [
            Transition {
                NumberAnimation { properties: "size,rightMargin,height,width,bottomMargin,font.pixelSize,pixelSize"; easing.type: Easing.InOutQuad; duration: 700 }
            },
            Transition {
                to: "STOPPED"
                NumberAnimation { properties: "size,rightMargin,height,width,bottomMargin,font.pixelSize,pixelSize"; easing.type: Easing.InOutQuad; duration: 700 }
            },
            Transition {
                to: "IDLE"
                NumberAnimation { properties: "size,rightMargin,height,width,bottomMargin,font.pixelSize,pixelSize"; easing.type: Easing.InOutQuad; duration: 700 }
            },

            Transition {
                from: "STARTING"
                to: "RUNNING"
                //disable transitions for the RUNNING state
            },
            Transition {
                from: "RUNNING"
                to: "WAITING"
                //disable transitions for the RUNNING state
            }
        ]

        /*----------------------
          Timer functions
        ----------------------*/
        function landscape(){
            return(root.height < root.width)
        }

        /*----Functions to control the stopwatch----*/
        function start(){
            var ret = speedBackend.startRace()
            if(ret !== 200){
                console.log("+ --- error starting race: "+ret)
            }
        }

        function stop(type){

            var ret = speedBackend.stopRace(type)

            if(ret !== 200){
                console.log("+ --- error stopping race: "+ret)
            }
        }

        function reset(){

            var ret = speedBackend.resetRace()

            if(ret !== 200){
                console.log("+ --- error resetting race: "+ret)
            }
        }
    }
}