/****************************************************************************
 *
 * (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/

import QtQuick          2.11
import QtQuick.Layouts  1.11

import QGroundControl                       1.0
import QGroundControl.Controls              1.0
import QGroundControl.MultiVehicleManager   1.0
import QGroundControl.ScreenTools           1.0
import QGroundControl.Palette               1.0

RowLayout {
    id:         _root
    spacing:    0

    property var    _activeVehicle:     QGroundControl.multiVehicleManager.activeVehicle
    property var    _vehicleInAir:      _activeVehicle ? _activeVehicle.flying || _activeVehicle.landing : false
    property bool   _vtolInFWDFlight:   _activeVehicle ? _activeVehicle.vtolInFwdFlight : false
    property bool   _armed:             _activeVehicle ? _activeVehicle.armed : false
    property real   _margins:           ScreenTools.defaultFontPixelWidth
    property real   _spacing:           ScreenTools.defaultFontPixelWidth / 2

    QGCLabel {
        id:             mainStatusLabel
        text:           mainStatusText()
        font.pointSize: _vehicleInAir ? ScreenTools.defaultFontPointSize : ScreenTools.largeFontPointSize

        property string _commLostText:      qsTr("Communication Lost")
        property string _readyToFlyText:    qsTr("Ready To Fly")
        property string _notReadyToFlyText: qsTr("Not Ready")
        property string _disconnectedText:  qsTr("Disconnected")
        property string _armedText:         qsTr("Armed")
        property string _flyingText:        qsTr("Flying")
        property string _landingText:       qsTr("Landing")

        function mainStatusText() {
            var statusText
            if (_activeVehicle) {
                if (_communicationLost) {
                    _mainStatusBGColor = "red"
                    return mainStatusLabel._commLostText
                }
                if (_activeVehicle.armed) {
                    _mainStatusBGColor = "green"
                    if (_activeVehicle.flying) {
                        return mainStatusLabel._flyingText
                    } else if (_activeVehicle.landing) {
                        return mainStatusLabel._landingText
                    } else {
                        return mainStatusLabel._armedText
                    }
                } else {
                    if (_activeVehicle.readyToFlyAvailable) {
                        if (_activeVehicle.readyToFly) {
                            _mainStatusBGColor = "green"
                            return mainStatusLabel._readyToFlyText
                        } else {
                            _mainStatusBGColor = "yellow"
                            return mainStatusLabel._notReadyToFlyText
                        }
                    } else {
                        // Best we can do is determine readiness based on AutoPilot component setup and health indicators from SYS_STATUS
                        if (_activeVehicle.allSensorsHealthy && _activeVehicle.autopilot.setupComplete) {
                            _mainStatusBGColor = "green"
                            return mainStatusLabel._readyToFlyText
                        } else {
                            _mainStatusBGColor = "yellow"
                            return mainStatusLabel._notReadyToFlyText
                        }
                    }
                }
            } else {
                _mainStatusBGColor = qgcPal.brandingPurple
                return mainStatusLabel._disconnectedText
            }
        }

        MouseArea {
            anchors.left:           parent.left
            anchors.right:          parent.right
            anchors.verticalCenter: parent.verticalCenter
            height:                 _root.height
            enabled:                _activeVehicle
            onClicked:              mainWindow.showIndicatorPopup(mainStatusLabel, sensorStatusInfoComponent)
        }
    }

    Item {
        width:  ScreenTools.defaultFontPixelWidth
        height: 1
    }

    QGCColoredImage {
        id:         flightModeIcon
        width:      height
        height:     ScreenTools.defaultFontPixelHeight * 0.75
        fillMode:   Image.PreserveAspectFit
        mipmap:     true
        color:      qgcPal.text
        source:     "/qmlimages/FlightModesComponentIcon.png"
        visible:    _activeVehicle
    }

    Item {
        Layout.preferredWidth:  ScreenTools.defaultFontPixelWidth * (_vehicleInAir ?  ScreenTools.largeFontPointRatio : 1) / 3
        height:                 1
        visible:                flightModeMenu.visible
    }

    FlightModeMenu {
        id:                     flightModeMenu
        Layout.preferredHeight: _root.height
        verticalAlignment:      Text.AlignVCenter
        font.pointSize:         _vehicleInAir ?  ScreenTools.largeFontPointSize : ScreenTools.defaultFontPointSize
        mouseAreaLeftMargin:    -(flightModeMenu.x - flightModeIcon.x)
        visible:                _activeVehicle
    }

    Item {
        Layout.preferredWidth:  ScreenTools.defaultFontPixelWidth * ScreenTools.largeFontPointRatio
        height:                 1
        visible:                vtolModeLabel.visible
    }

    QGCLabel {
        id:                     vtolModeLabel
        Layout.preferredHeight: _root.height
        verticalAlignment:      Text.AlignVCenter
        text:                   _vtolInFWDFlight ? qsTr("FW(vtol)") : qsTr("MR(vtol)")
        font.pointSize:         ScreenTools.largeFontPointSize
        visible:                _activeVehicle ? _activeVehicle.vtol && _vehicleInAir : false

        QGCMouseArea {
            anchors.fill:   parent
            onClicked:      mainWindow.showIndicatorPopup(vtolModeLabel, vtolTransitionComponent)
        }
    }

    Component {
        id: sensorStatusInfoComponent

        Rectangle {
            width:          mainLayout.width   + (_margins * 2)
            height:         mainLayout.height  + (_margins * 2)
            radius:         ScreenTools.defaultFontPixelHeight * 0.5
            color:          qgcPal.window
            border.color:   qgcPal.text

            ColumnLayout {
                id:                 mainLayout
                anchors.margins:    _margins
                anchors.top:        parent.top
                anchors.left:       parent.left
                spacing:            _spacing

                QGCLabel {
                    Layout.alignment:   Qt.AlignHCenter
                    text:               qsTr("Sensor Status")
                }

                GridLayout {
                    rowSpacing:     _spacing
                    columnSpacing:  _spacing
                    rows:           _activeVehicle.sysStatusSensorInfo.sensorNames.length
                    flow:           GridLayout.TopToBottom

                    Repeater {
                        model: _activeVehicle.sysStatusSensorInfo.sensorNames

                        QGCLabel {
                            text: modelData
                        }
                    }

                    Repeater {
                        model: _activeVehicle.sysStatusSensorInfo.sensorStatus

                        QGCLabel {
                            text: modelData
                        }
                    }
                }

                QGCButton {
                    Layout.alignment:   Qt.AlignHCenter
                    text:               _armed ?  qsTr("Disarm") : (forceArm ? qsTr("Force Arm") : qsTr("Arm"))

                    property bool forceArm: false

                    onPressAndHold: forceArm = true

                    onClicked: {
                        if (_armed) {
                            mainWindow.disarmVehicleRequest()
                        } else {
                            if (forceArm) {
                                mainWindow.forceArmVehicleRequest()
                            } else {
                                mainWindow.armVehicleRequest()
                            }
                        }
                        forceArm = false
                        mainWindow.hideIndicatorPopup()
                    }
                }
            }
        }
    }

    Component {
        id: vtolTransitionComponent

        Rectangle {
            width:          mainLayout.width   + (_margins * 2)
            height:         mainLayout.height  + (_margins * 2)
            radius:         ScreenTools.defaultFontPixelHeight * 0.5
            color:          qgcPal.window
            border.color:   qgcPal.text

            QGCButton {
                id:                 mainLayout
                anchors.margins:    _margins
                anchors.top:        parent.top
                anchors.left:       parent.left
                text:               _vtolInFWDFlight ? qsTr("Transition to Multi-Rotor") : qsTr("Transition to Fixed Wing")

                onClicked: {
                    if (_vtolInFWDFlight) {
                        mainWindow.vtolTransitionToMRFlightRequest()
                    } else {
                        mainWindow.vtolTransitionToFwdFlightRequest()
                    }
                    mainWindow.hideIndicatorPopup()
                }
            }
        }
    }
}