// SPDX-License-Identifier: GPL-3.0-or-later

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-app.
*
* nymea-app is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nymea-app 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nymea-app. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

import QtQuick
import QtQuick.Controls
import QtQuick.Controls.Material
import QtQuick.Layouts
import Nymea

import "qrc:/ui/components"

SettingsPageBase {
    id: root
    header: NymeaHeader {
        text: qsTr("ZigBee")
        backButtonVisible: true
        onBackPressed: pageStack.pop()

        HeaderButton {
            imageSource: "qrc:/icons/add.svg"
            text: qsTr("Add ZigBee network")
            onClicked: {
                addNetwork()
            }
        }
    }

    function addNetwork() {
        var addPage = pageStack.push(Qt.resolvedUrl("ZigbeeAddNetworkPage.qml"), {zigbeeManager: zigbeeManager})
        addPage.done.connect(function() {pageStack.pop(root)})
    }

    function returnToMain() {
        pageStack.pop(root)
    }

    ZigbeeManager {
        id: zigbeeManager
        engine: _engine
    }


    Item {
        Layout.fillWidth: true
        Layout.preferredHeight: root.height
        visible: zigbeeManager.fetchingData || zigbeeManager.networks.count == 0

        BusyIndicator {
            anchors.centerIn: parent
            visible: zigbeeManager.fetchingData
            running: visible
        }

        EmptyViewPlaceholder {
            visible: !zigbeeManager.fetchingData && zigbeeManager.networks.count == 0
            width: parent.width - app.margins * 2
            anchors.centerIn: parent
            title: qsTr("ZigBee")
            text: qsTr("There are no ZigBee networks set up yet. In order to use ZigBee, create a ZigBee network.")
            imageSource: "qrc:/icons/zigbee.svg"
            buttonText: qsTr("Add network")
            onButtonClicked: {
                addNetwork()
            }
        }
    }


    ColumnLayout {
        Layout.margins: app.margins / 2
        Repeater {
            model: zigbeeManager.networks
            delegate: BigTile {
                id: networkDelegate
                Layout.fillWidth: true
                interactive: false
                property ZigbeeNetwork network: zigbeeManager.networks.get(index)

                onClicked: {
                    var page = pageStack.push(Qt.resolvedUrl("ZigbeeNetworkPage.qml"), { zigbeeManager: zigbeeManager, network: networkDelegate.network })
                    page.exit.connect(function() {
                        print("exiting")
                        root.returnToMain()
                    })
                }

                header: RowLayout {
                    ColorIcon {
                        name: "qrc:/icons/zigbee/" + model.backend + ".svg"
                        Layout.preferredWidth: Style.iconSize
                        Layout.preferredHeight: Style.iconSize
                    }

                    Label {
                        Layout.fillWidth: true
                        text: model.backend
                        font.pixelSize: app.largeFont
                    }
                }

                contentItem: ColumnLayout {
                    spacing: app.margins


                    RowLayout {
                        Label {
                            Layout.fillWidth: true
                            text: qsTr("Network state:")
                        }
                        Label {
                            text: {
                                switch (model.networkState) {
                                case ZigbeeNetwork.ZigbeeNetworkStateOnline:
                                    return qsTr("Online")
                                case ZigbeeNetwork.ZigbeeNetworkStateOffline:
                                    return qsTr("Offline")
                                case ZigbeeNetwork.ZigbeeNetworkStateStarting:
                                    return qsTr("Starting")
                                case ZigbeeNetwork.ZigbeeNetworkStateUpdating:
                                    return qsTr("Updating")
                                case ZigbeeNetwork.ZigbeeNetworkStateError:
                                    return qsTr("Error")
                                }
                            }
                        }

                        Led {
                            Layout.preferredHeight: Style.iconSize
                            Layout.preferredWidth: Style.iconSize
                            state: {
                                switch (model.networkState) {
                                case ZigbeeNetwork.ZigbeeNetworkStateOnline:
                                    return "on"
                                case ZigbeeNetwork.ZigbeeNetworkStateOffline:
                                    return "off"
                                case ZigbeeNetwork.ZigbeeNetworkStateStarting:
                                    return "orange"
                                case ZigbeeNetwork.ZigbeeNetworkStateUpdating:
                                    return "orange"
                                case ZigbeeNetwork.ZigbeeNetworkStateError:
                                    return "red"
                                }
                            }
                        }
                    }

                    RowLayout {
                        Label {
                            text: qsTr("Adapter:")
                        }

                        Label {
                            Layout.fillWidth: true
                            text: adaptersProxy.count > 0 ? adaptersProxy.get(0).description : ""
                            elide: Text.ElideRight

                            ZigbeeAdaptersProxy {
                                id: adaptersProxy
                                manager: zigbeeManager
                                serialPortFilter: networkDelegate.network.serialPort
                            }
                        }
                    }

                    Label {
                        Layout.fillWidth: true
                        text: offlineNodes.count == 0
                              ? qsTr("%n device(s)", "", Math.max(0, networkDelegate.network.nodes.count - 1)) // -1 for coordinator node
                              : qsTr("%n device(s) (%1 disconnected)", "", Math.max(networkDelegate.network.nodes.count - 1)).arg(offlineNodes.count)

                        ZigbeeNodesProxy {
                            id: offlineNodes
                            zigbeeNodes: networkDelegate.network.nodes
                            showCoordinator: false
                            showOnline: false
                        }
                    }
                }
            }
        }
    }
}