import QtQuick
import QtQuick.Layouts
import qEmby 1.0

Item {
    id: root

    property int defaultDuration: 4000
    property int maximumVisible: 5
    property int nextToastId: 1

    function show(message, kind, duration) {
        const normalizedKind = ["info", "success", "warning", "error"].indexOf(kind) >= 0 ? kind : "info";
        const timeout = duration === undefined ? defaultDuration : Math.max(0, duration);
        const toastId = nextToastId++;
        toastModel.append({
            "toastId": toastId,
            "message": String(message),
            "kind": normalizedKind,
            "timeoutMs": timeout
        });
        while (toastModel.count > maximumVisible)toastModel.remove(0)
        return toastId;
    }

    function info(message, duration) {
        return show(message, "info", duration);
    }

    function success(message, duration) {
        return show(message, "success", duration);
    }

    function warning(message, duration) {
        return show(message, "warning", duration);
    }

    function error(message, duration) {
        return show(message, "error", duration);
    }

    function dismiss(toastId) {
        for (let i = 0; i < toastModel.count; ++i) {
            if (toastModel.get(i).toastId === toastId) {
                toastModel.remove(i);
                return ;
            }
        }
    }

    function clear() {
        toastModel.clear();
    }

    ListModel {
        id: toastModel
    }

    ListView {
        id: toastView

        anchors.top: parent.top
        anchors.right: parent.right
        anchors.topMargin: Theme.spacingLg
        anchors.rightMargin: Theme.spacingLg
        width: Math.min(360, Math.max(240, root.width - Theme.spacingXl * 2))
        height: Math.min(contentHeight, Math.max(0, root.height - Theme.spacingXl * 2))
        spacing: Theme.spacingSm
        interactive: contentHeight > height
        clip: true
        model: toastModel
        z: 1000

        add: Transition {
            NumberAnimation {
                properties: "opacity,x"
                from: 0
                duration: Theme.animationFast
                easing.type: Easing.OutCubic
            }

        }

        remove: Transition {
            NumberAnimation {
                property: "opacity"
                to: 0
                duration: Theme.animationFast
            }

        }

        displaced: Transition {
            NumberAnimation {
                properties: "x,y"
                duration: Theme.animationFast
                easing.type: Easing.OutCubic
            }

        }

        delegate: Rectangle {
            id: toast

            required property int toastId
            required property string message
            required property string kind
            required property int timeoutMs
            readonly property color statusColor: kind === "success" ? Theme.success : kind === "warning" ? Theme.warning : kind === "error" ? Theme.danger : Theme.accent
            readonly property string statusIcon: kind === "success" ? "✓" : kind === "warning" ? "!" : kind === "error" ? "×" : "i"
            readonly property string statusLabel: kind === "success" ? qsTr("Success") : kind === "warning" ? qsTr("Warning") : kind === "error" ? qsTr("Error") : qsTr("Information")

            width: toastView.width
            implicitHeight: toastLayout.implicitHeight + Theme.spacingMd * 2
            radius: Theme.radiusLg
            color: Theme.bgSurface
            border.width: 1
            border.color: Theme.alpha(statusColor, 0.72)
            Accessible.role: Accessible.AlertMessage
            Accessible.name: qsTr("%1: %2").arg(statusLabel).arg(message)

            RowLayout {
                id: toastLayout

                anchors.fill: parent
                anchors.margins: Theme.spacingMd
                spacing: Theme.spacingMd

                Rectangle {
                    color: toast.statusColor
                    radius: width / 2
                    Layout.preferredWidth: 24
                    Layout.preferredHeight: 24
                    Layout.alignment: Qt.AlignTop

                    Text {
                        anchors.centerIn: parent
                        text: toast.statusIcon
                        color: "#FFFFFF"
                        font.pixelSize: Theme.fontBody
                        font.weight: Font.Bold
                    }

                }

                Text {
                    text: toast.message
                    color: Theme.textBody
                    font.pixelSize: Theme.fontBody
                    wrapMode: Text.WordWrap
                    Layout.fillWidth: true
                    Layout.alignment: Qt.AlignVCenter
                }

                ThemedButton {
                    text: "×"
                    implicitWidth: 28
                    implicitHeight: 28
                    leftPadding: 0
                    rightPadding: 0
                    Accessible.name: qsTr("Dismiss notification")
                    Layout.alignment: Qt.AlignTop
                    onClicked: root.dismiss(toast.toastId)
                }

            }

            Timer {
                interval: toast.timeoutMs
                running: toast.timeoutMs > 0
                repeat: false
                onTriggered: root.dismiss(toast.toastId)
            }

        }

    }

}