import SwiftUI

@MainActor
struct CastDeviceMenu: View {
    @ObservedObject var model: PlayerModel
    @ObservedObject private var discovery: CastDiscovery
    var icon = true

    init(model: PlayerModel, icon: Bool = true) {
        self.model = model
        self.discovery = model.castDiscovery
        self.icon = icon
    }

    var body: some View {
        Menu {
            if let device = model.castDevice {
                Text((model.castConnecting ? "Connecting to " : "Casting to ") + device.name)
                Button(model.castConnecting ? "Cancel Casting" : "Play on This Mac") { model.stopCasting() }
                Divider()
            }
            ForEach(discovery.devices) { device in
                Button(device.name) { model.cast(to: device) }
                    .disabled(!model.canCast)
            }
            if discovery.devices.isEmpty {
                Text("No Cast devices discovered")
            }
            if let error = discovery.error { Text(error) }
            Divider()
            Button("Find Cast Devices…") { discovery.start() }
        } label: {
            if icon {
                Image(systemName: "airplayvideo")
                    .font(.system(size: model.isCompact ? 17 : 15))
                    .frame(width: 24, height: 22)
            } else {
                Text("Cast to Device")
            }
        }
        .menuStyle(.button)
        .buttonStyle(.plain)
        .menuIndicator(.hidden)
        .fixedSize()
        .accessibilityLabel("Cast to Device")
        .help(model.castDevice.map { "Casting to " + $0.name } ?? "Cast to Device")
    }
}