import AppIntents
import WidgetKit

/// Severity filter for widget alert display.
enum AlertSeverityFilter: String, AppEnum {
    case all
    case critical
    case high

    static var typeDisplayRepresentation: TypeDisplayRepresentation = "Alert Severity"

    static var caseDisplayRepresentations: [AlertSeverityFilter: DisplayRepresentation] = [
        .all: DisplayRepresentation(
            title: "All Alerts",
            subtitle: "Show alerts of all severity levels"
        ),
        .critical: DisplayRepresentation(
            title: "Critical Only",
            subtitle: "Only show critical alerts"
        ),
        .high: DisplayRepresentation(
            title: "High & Critical",
            subtitle: "Only show high and critical alerts"
        ),
    ]

    /// Returns whether an alert with the given severity string passes this filter.
    func matches(severity: String) -> Bool {
        switch self {
        case .all:
            return true
        case .critical:
            return severity == "critical"
        case .high:
            return severity == "critical" || severity == "high"
        }
    }
}

/// Configuration intent for Kordant widgets.
/// Allows users to filter alerts by severity from the widget gallery.
struct KordantWidgetConfigurationIntent: WidgetConfigurationIntent {
    static var title: LocalizedStringResource = "Widget Configuration"
    static var description: LocalizedStringResource = "Choose which alerts to display on your widget."

    @Parameter(
        title: "Severity Filter",
        default: .all
    )
    var severityFilter: AlertSeverityFilter
}