using Avalonia.Controls;
using Avalonia.Interactivity;
using Nonemm.Contests;
using Nonemm.Core;
using Nonemm.Storage;

namespace Nonemm.App.Dialogs;

/// Picks the contest and the entry categories the sponsor asks for in the
/// Cabrillo header.
public sealed partial class ContestSetupDialog : Window
{
    private readonly AppSession session;

    public ContestSetupDialog(AppSession session)
    {
        this.session = session;
        InitializeComponent();
        ContestBox.ItemsSource = session.Registry.Choices.Select(c => c.DisplayName).ToList();
        ContestBox.SelectedIndex = 0;
        ContestBox.SelectionChanged += (_, _) => ShowChosen();
        ModeBox.ItemsSource = new[] { "CW", "SSB", "RTTY", "MIXED" };
        ModeBox.SelectedIndex = 0;
        OperatorBox.ItemsSource = new[] { "SINGLE-OP", "MULTI-OP", "CHECKLIST" };
        OperatorBox.SelectedIndex = 0;
        BandBox.ItemsSource = new[] { "ALL", "160M", "80M", "40M", "20M", "15M", "10M" };
        BandBox.SelectedIndex = 0;
        PowerBox.ItemsSource = new[] { "HIGH", "LOW", "QRP" };
        PowerBox.SelectedIndex = 0;
        AssistedBox.ItemsSource = new[] { "NON-ASSISTED", "ASSISTED" };
        AssistedBox.SelectedIndex = 0;
        TransmitterBox.ItemsSource = new[] { "ONE", "TWO", "LIMITED", "UNLIMITED", "SWL" };
        TransmitterBox.SelectedIndex = 0;
        OverlayBox.ItemsSource = new[]
        {
            "N/A", "ROOKIE", "BAND-LIMITED", "TB-WIRES", "OVER-50", "HQ", "NOVICE-TECH", "EXPERT",
        };
        OverlayBox.SelectedIndex = 0;
        OperatorsBox.Text = session.Settings.Station.Callsign;
        ShowChosen();
    }


    private ContestChoice Chosen =>
        session.Registry.Choices[Math.Max(0, ContestBox.SelectedIndex)];

    private void ShowChosen()
    {
        Contest contest = Chosen.Create(ModeOf());
        ExchangeBox.Text = contest.SentExchangeFor(session.Settings.Station.ToStationInfo());
        HintText.Text = $"Cabrillo name {contest.CabrilloName} · exchange " +
                        string.Join(", ", contest.ExchangeFieldsFor(session.Settings.Station.ToStationInfo())
                            .Select(f => f.Label));
    }

    private ModeCategory ModeOf() => (ModeBox.SelectedItem as string) switch
    {
        "SSB" => ModeCategory.Phone,
        "RTTY" => ModeCategory.Digital,
        _ => ModeCategory.Cw,
    };

    private void OnStart(object? sender, RoutedEventArgs e) => Close(new ContestInstance
    {
        ContestNumber = 0,
        ContestName = Chosen.Create(ModeOf()).Name,
        StartDate = DateTime.UtcNow,
        SentExchange = ExchangeBox.Text ?? "",
        OperatorCategory = Text(OperatorBox),
        BandCategory = Text(BandBox),
        PowerCategory = Text(PowerBox),
        ModeCategory = Text(ModeBox),
        AssistedCategory = Text(AssistedBox),
        TransmitterCategory = Text(TransmitterBox),
        OverlayCategory = Text(OverlayBox),
        Operators = OperatorsBox.Text ?? "",
    });

    private void OnCancel(object? sender, RoutedEventArgs e) => Close(null);

    private static string Text(ComboBox box) => box.SelectedItem as string ?? "";
}