import QtQuick
import QtQuick.Controls
import Nebula.Bigscreen

ApplicationWindow {
    id: window

    width: 1280
    height: 720
    visible: true
    title: "Nebula Bigscreen"
    color: Theme.backgroundDeep

    property string currentView: "home"
    property bool powerOverlayVisible: false
    property string signedInUser: "Player"

    NebulaBackground {
        anchors.fill: parent
    }

    Column {
        anchors.fill: parent
        spacing: 0

        TopBar {
            id: topBar
            width: parent.width
            userName: window.signedInUser
            accentFocus: contentLoader.item && contentLoader.item.accentFocus !== undefined
                ? contentLoader.item.accentFocus()
                : 0
        }

        Loader {
            id: contentLoader
            width: parent.width
            height: parent.height - topBar.height
            sourceComponent: viewComponentFor(window.currentView)
        }
    }

    Connections {
        target: contentLoader.item
        ignoreUnknownSignals: true
        function onNavigate(route) {
            window.onChildNavigate(route)
        }
        function onGoBack() {
            window.onChildGoBack()
        }
    }

    PowerOverlay {
        id: powerOverlay
        visible: window.powerOverlayVisible
        z: 10

        onDismissed: window.powerOverlayVisible = false
        onActionChosen: function(actionId) {
            console.log("Power action:", actionId)
            window.powerOverlayVisible = false
        }
    }

    Connections {
        target: InputRouter
        function onActionTriggered(action) {
            if (window.powerOverlayVisible) {
                window.handlePowerInput(action)
                return
            }
            if (action === 7) {
                window.powerOverlayVisible = true
                return
            }
            if (contentLoader.item && contentLoader.item.handleInput) {
                contentLoader.item.handleInput(action)
            }
        }
    }

    Component {
        id: homeComponent
        HomeView {}
    }

    Component {
        id: libraryComponent
        LibraryView {}
    }

    Component {
        id: settingsComponent
        SettingsView {}
    }

    function viewComponentFor(viewId) {
        switch (viewId) {
        case "library":
            return libraryComponent
        case "settings":
            return settingsComponent
        default:
            return homeComponent
        }
    }

    function onChildNavigate(route) {
        if (route === "power") {
            window.powerOverlayVisible = true
            return
        }
        window.currentView = route
    }

    function onChildGoBack() {
        window.currentView = "home"
    }

    function handlePowerInput(action) {
        switch (action) {
        case 1:
            powerOverlay.moveFocus(-1)
            break
        case 2:
            powerOverlay.moveFocus(1)
            break
        case 5:
            powerOverlay.activateFocused()
            break
        case 6:
            window.powerOverlayVisible = false
            break
        default:
            break
        }
    }

}