// SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later

import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import org.deepin.ds 1.0
import org.deepin.ds.dock 1.0

AppletItem {
    id: root
    objectName: "graphics driver applet"
    property int dockOrder: 21
    property int dockSize: Panel.rootObject.dockItemMaxSize || 48

    implicitWidth: dockSize
    implicitHeight: dockSize

    // 访问 C++ 后端
    readonly property var applet: Applet
    readonly property bool dbusAvailable: applet && applet.dbusAvailable
    readonly property string currentDriver: applet ? (applet.currentDriver || qsTr("Unknown")) : qsTr("Unknown")
    readonly property string deviceInfo: applet ? (applet.deviceInfo || qsTr("Unknown")) : qsTr("Unknown")
    readonly property bool isInstalling: applet ? applet.isInstalling : false
    readonly property int installProgress: applet ? applet.installProgress : 0

    // 图标区域
    Rectangle {
        anchors.fill: parent
        color: "#3498db"
        radius: 8

        Text {
            anchors.centerIn: parent
            text: "GPU"
            font.pixelSize: root.dockSize * 0.3
            color: "white"
        }
    }

    // 悬停提示
    PanelToolTip {
        id: toolTip
        text: qsTr("Graphics Driver: ") + root.currentDriver
        toolTipX: DockPanelPositioner.x
        toolTipY: DockPanelPositioner.y
    }

    Timer {
        id: toolTipShowTimer
        interval: 50
        onTriggered: {
            const point = root.mapToItem(null, root.width / 2, root.height / 2)
            toolTip.DockPanelPositioner.bounding = Qt.rect(point.x, point.y, toolTip.width, toolTip.height)
            toolTip.open()
        }
    }

    HoverHandler {
        onHoveredChanged: {
            if (hovered && !driverPopup.popupVisible) {
                toolTipShowTimer.start()
            } else {
                if (toolTipShowTimer.running) {
                    toolTipShowTimer.stop()
                }
                toolTip.close()
            }
        }
    }

    // 弹出窗口
    PanelPopup {
        id: driverPopup
        width: 320
        height: 400
        popupX: DockPanelPositioner.x
        popupY: DockPanelPositioner.y

        onPopupVisibleChanged: {
            if (popupVisible) {
                toolTip.close()
            }
        }

        Control {
            id: popupContainer
            anchors.fill: parent
            padding: 16

            contentItem: ColumnLayout {
                spacing: 12

                Text {
                    text: qsTr("Graphics Driver Manager")
                    font.pixelSize: 16
                    font.bold: true
                    Layout.fillWidth: true
                }

                Rectangle {
                    Layout.fillWidth: true
                    Layout.preferredHeight: 1
                    color: "#cccccc"
                }

                // D-Bus 不可用提示
                Rectangle {
                    Layout.fillWidth: true
                    height: 40
                    visible: !root.dbusAvailable
                    color: "#fff3cd"
                    radius: 6

                    Text {
                        anchors.centerIn: parent
                        text: qsTr("Driver service is not available")
                        color: "#856404"
                        font.pixelSize: 12
                    }
                }

                // 设备信息
                GroupBox {
                    Layout.fillWidth: true
                    title: qsTr("Device Information")
                    visible: root.dbusAvailable

                    ColumnLayout {
                        anchors.fill: parent
                        spacing: 8

                        Text {
                            text: qsTr("Current Driver: ") + root.currentDriver
                            font.pixelSize: 12
                            Layout.fillWidth: true
                        }

                        Text {
                            text: qsTr("Device: ") + root.deviceInfo
                            font.pixelSize: 12
                            wrapMode: Text.WordWrap
                            Layout.fillWidth: true
                        }
                    }
                }

                // 操作按钮
                Button {
                    text: qsTr("Refresh")
                    Layout.fillWidth: true
                    enabled: root.dbusAvailable && !root.isInstalling
                    onClicked: {
                        if (root.applet) {
                            root.applet.refreshDeviceInfo()
                        }
                    }
                }

                Button {
                    text: qsTr("Test Install")
                    Layout.fillWidth: true
                    enabled: root.dbusAvailable && !root.isInstalling
                    onClicked: {
                        if (root.applet) {
                            root.applet.testInstall()
                        }
                    }
                }

                // 安装进度
                ColumnLayout {
                    visible: root.isInstalling
                    Layout.fillWidth: true
                    spacing: 8

                    Text {
                        text: qsTr("Installing... ") + root.installProgress + "%"
                        font.pixelSize: 12
                    }

                    ProgressBar {
                        Layout.fillWidth: true
                        value: root.installProgress / 100
                    }

                    Button {
                        text: qsTr("Cancel")
                        Layout.fillWidth: true
                        onClicked: {
                            if (root.applet) {
                                root.applet.cancelInstall()
                            }
                        }
                    }
                }

                Item {
                    Layout.fillHeight: true
                }
            }
        }

        Component.onCompleted: {
            DockPanelPositioner.bounding = Qt.binding(function () {
                const point = root.mapToItem(null, root.width / 2, root.height / 2)
                return Qt.rect(point.x, point.y, driverPopup.width, driverPopup.height)
            })
        }
    }

    // 点击处理
    TapHandler {
        acceptedButtons: Qt.LeftButton
        gesturePolicy: TapHandler.ReleaseWithinBounds

        onTapped: {
            if (driverPopup.popupVisible) {
                driverPopup.close()
            } else {
                Panel.requestClosePopup()
                // 在打开前设置定位，确保弹窗出现在插件附近
                const point = root.mapToItem(null, root.width / 2, root.height / 2)
                driverPopup.DockPanelPositioner.bounding = Qt.rect(point.x, point.y, driverPopup.width, driverPopup.height)
                driverPopup.open()
            }
            toolTip.close()
        }
    }

    // 后端信号处理
    Connections {
        target: root.applet
        function onInstallSuccess() {
            console.log("Install succeeded")
        }
        function onInstallFailed(error) {
            console.log("Install failed:", error)
        }
        function onRequestReboot() {
            console.log("Reboot requested")
        }
    }
}