import SwiftUI

@main
struct FuelBoardApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
                .onOpenURL(perform: handleOpenURL)
        }
    }

    /// WidgetKit widgets can only open their containing app, so a widget tap
    /// delivers a `fuelboard://directions?lat=..&lng=..` URL here instead of
    /// opening Apple Maps itself. Forward it to the native Maps directions
    /// URL (`maps://?daddr=`), which is what the app's own rows use.
    private func handleOpenURL(_ url: URL) {
        guard url.scheme == "fuelboard",
              url.host == "directions",
              let components = URLComponents(url: url, resolvingAgainstBaseURL: false),
              let lat = components.queryItems?.first(where: { $0.name == "lat" })?.value.flatMap(Double.init),
              let lng = components.queryItems?.first(where: { $0.name == "lng" })?.value.flatMap(Double.init),
              let mapsURL = URL(string: "maps://?daddr=\(lat),\(lng)&t=d")
        else { return }
        UIApplication.shared.open(mapsURL)
    }
}