import QtQuick
import qs.config
import qs.services

SettingsCard {
    id: root

    objectName: "health-summary"
    implicitHeight: 126

    readonly property int observationCount: Health.summary.warnings + Health.summary.errors
    readonly property string heroTitle: {
        if (Health.diagnosticUnavailable)
            return "Health check unavailable";
        if (Health.checks.length === 0)
            return "Checking Panama desktop";
        if (Health.status === "error")
            return "Action required";
        if (Health.status === "warning")
            return "Needs attention";
        return "Healthy";
    }
    readonly property string heroDetail: {
        if (Health.diagnosticUnavailable)
            return Health.lastError || "Panama could not complete the latest health check.";
        if (Health.checks.length === 0)
            return "Panama is checking the desktop services, tools, and integrations it owns.";
        if (Health.status === "error")
            return root.observationCount === 1
                ? "One part of the desktop needs action."
                : `${root.observationCount} parts of the desktop need action.`;
        if (Health.status === "warning")
            return root.observationCount === 1
                ? "Your desktop is working. One feature needs a decision."
                : `Your desktop is working. ${root.observationCount} features need a decision.`;
        return "Panama-owned desktop services and tools are working normally.";
    }
    readonly property color statusColor: {
        if (Health.diagnosticUnavailable || Health.status === "error")
            return Theme.danger;
        if (Health.status === "warning")
            return Theme.warn;
        if (Health.checks.length === 0)
            return Theme.fgMuted;
        return Theme.ok;
    }

    function scanTime(): string {
        const generatedAt = String(Health.snapshot.generatedAt || "");
        if (generatedAt === "")
            return "No completed check yet";
        const date = new Date(generatedAt);
        if (Number.isNaN(date.getTime()))
            return "Last check completed";
        return `Last checked ${date.toLocaleTimeString(Qt.locale(), Locale.ShortFormat)}`;
    }

    Item {
        width: parent.width
        implicitHeight: 96

        Column {
            anchors.left: parent.left
            anchors.right: actions.left
            anchors.rightMargin: 22
            anchors.verticalCenter: parent.verticalCenter
            spacing: 4

            Text {
                width: parent.width
                text: Health.diagnosticUnavailable
                    ? "DIAGNOSTICS"
                    : root.observationCount > 0
                        ? root.observationCount + (root.observationCount === 1 ? " OBSERVATION" : " OBSERVATIONS")
                        : "PANAMA DESKTOP"
                color: root.statusColor
                font.family: Theme.fontFamily
                font.pixelSize: Theme.fontSizeSmall
                font.weight: Font.DemiBold
                font.letterSpacing: 1.15
            }

            Text {
                width: parent.width
                text: root.heroTitle
                color: Theme.fg
                font.family: Theme.fontFamily
                font.pixelSize: 24
                font.weight: Font.DemiBold
                elide: Text.ElideRight
            }

            Text {
                width: parent.width
                text: root.heroDetail
                color: Theme.fgDim
                font.family: Theme.fontFamily
                font.pixelSize: Theme.fontSizeSmall
                elide: Text.ElideRight
            }

            Row {
                spacing: 10

                Text {
                    text: root.scanTime()
                    color: Theme.fgMuted
                    font.family: Theme.fontFamily
                    font.pixelSize: Theme.fontSizeSmall
                }

                Text {
                    objectName: "health-checking-label"
                    visible: Health.busy
                    text: "Checking…"
                    color: Theme.fgDim
                    font.family: Theme.fontFamily
                    font.pixelSize: Theme.fontSizeSmall
                }

                Text {
                    visible: Health.lastCopyResult !== ""
                    text: Health.lastCopyResult
                    color: Health.lastCopyResult === "Report copied." ? Theme.ok : Theme.warn
                    font.family: Theme.fontFamily
                    font.pixelSize: Theme.fontSizeSmall
                }
            }
        }

        Row {
            id: actions

            anchors.right: parent.right
            anchors.verticalCenter: parent.verticalCenter
            spacing: 8

            SettingsButton {
                id: copyButton

                objectName: "health-copy-report-button"
                visible: !Health.diagnosticUnavailable
                text: "Copy report"
                enabled: Health.checks.length > 0
                activeFocusOnTab: enabled
                border.width: activeFocus ? 2 : 1
                border.color: activeFocus ? Theme.accent : Theme.alpha(Theme.fg, 0.08)
                onClicked: Health.copyReport()
                Keys.onReturnPressed: if (enabled) Health.copyReport()
                Keys.onSpacePressed: if (enabled) Health.copyReport()
            }

            SettingsButton {
                id: refreshButton

                objectName: "health-refresh-button"
                text: Health.diagnosticUnavailable ? "Retry" : "Refresh"
                tone: Health.diagnosticUnavailable ? "normal" : "accent"
                enabled: !Health.busy
                activeFocusOnTab: enabled
                border.width: activeFocus ? 2 : (tone === "accent" ? 0 : 1)
                border.color: activeFocus ? Theme.accent : Theme.alpha(Theme.fg, 0.08)
                onClicked: Health.refresh()
                Keys.onReturnPressed: if (enabled) Health.refresh()
                Keys.onSpacePressed: if (enabled) Health.refresh()
            }
        }
    }
}