// NodePage.qml — Demo page with OpcUaMonitoredNode lifecycle logging.

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import Bobink

Page {
    id: nodePage

    required property StackView stackRef
    required property int pageNumber
    required property var logFunction

    OpcUaMonitoredNode {
        id: demoNode
        nodeId: "ns=2;s=DemoVariable.Page" + nodePage.pageNumber
        monitored: nodePage.StackView.status === StackView.Active
        onMonitoredChanged: nodePage.logFunction(
            "Page " + nodePage.pageNumber + " node [" + nodeId + "] "
            + (monitored ? "MONITORED" : "UNMONITORED"))
    }

    ColumnLayout {
        anchors.fill: parent
        anchors.margins: 20
        spacing: 12

        RowLayout {
            Label {
                text: "Node Page " + nodePage.pageNumber
                font.bold: true
                font.pointSize: 14
            }
            Item { Layout.fillWidth: true }
            Button {
                text: "Disconnect"
                onClicked: Bobink.disconnectFromServer()
            }
        }

        Label {
            text: "Node: " + demoNode.nodeId
        }
        Label {
            text: "Monitored: " + demoNode.monitored
            color: demoNode.monitored ? "green" : "gray"
        }

        Item { Layout.fillHeight: true }

        Button {
            Layout.fillWidth: true
            text: nodePage.pageNumber === 1 ? "Go to Page 2" : "Back to Page 1"
            onClicked: {
                if (nodePage.pageNumber === 1)
                    nodePage.stackRef.push("NodePage.qml", {
                        stackRef: nodePage.stackRef,
                        pageNumber: 2,
                        logFunction: nodePage.logFunction
                    });
                else
                    nodePage.stackRef.pop();
            }
        }
    }
}