import AppIntents
import Foundation

// Per-widget configuration intent (iOS 17+). Every widget instance carries
// its OWN fuel + sort choices, edited directly on the home screen (long-press
// → Edit Widget), independent of what the app has selected. This is what
// allows several FuelBoard widgets to show different fuels/orderings side by
// side.

enum WidgetFuel: String, AppEnum, CaseIterable, Codable {
    case e10
    case e5
    case diesel

    static var typeDisplayRepresentation: TypeDisplayRepresentation = "Fuel"

    static var caseDisplayRepresentations: [WidgetFuel: DisplayRepresentation] = [
        .e10: "Unleaded",
        .e5: "Premium",
        .diesel: "Diesel",
    ]
}

enum WidgetSort: String, AppEnum, CaseIterable, Codable {
    case cheapest
    case closest

    static var typeDisplayRepresentation: TypeDisplayRepresentation = "Sort by"

    static var caseDisplayRepresentations: [WidgetSort: DisplayRepresentation] = [
        .cheapest: "Cheapest",
        .closest: "Closest",
    ]
}

enum WidgetDistance: String, AppEnum, CaseIterable, Codable {
    case five
    case ten
    case fifteen

    static var typeDisplayRepresentation: TypeDisplayRepresentation = "Distance"

    static var caseDisplayRepresentations: [WidgetDistance: DisplayRepresentation] = [
        .five: "5 miles",
        .ten: "10 miles",
        .fifteen: "15 miles",
    ]

    var miles: Int {
        switch self {
        case .five: return 5
        case .ten: return 10
        case .fifteen: return 15
        }
    }
}

struct FuelBoardWidgetConfigurationIntent: WidgetConfigurationIntent {
    static var title: LocalizedStringResource = "Fuel & Sort"
    static var description = IntentDescription("Which fuel, ordering and search radius this widget shows.")

    @Parameter(title: "Fuel", default: .e10)
    var fuel: WidgetFuel

    @Parameter(title: "Sort by", default: .cheapest)
    var sort: WidgetSort

    @Parameter(title: "Distance", default: .five)
    var distance: WidgetDistance
}