using Avalonia.Controls;
using Nonemm.Core;

namespace Nonemm.App.Windows;

/// Contacts, points and multipliers band by band.
public sealed partial class ScoreWindow : RefreshableWindow
{
    private readonly AppSession session;

    public ScoreWindow(AppSession session)
    {
        this.session = session;
        InitializeComponent();
        Refresh();
    }


    public override void Refresh()
    {
        Table.Children.Clear();
        Table.ColumnDefinitions.Clear();
        Table.RowDefinitions.Clear();
        if (session.Logging is null)
        {
            TotalText.Text = "no contest is open";
            return;
        }

        List<Band> bands = session.Logging.Log.Qsos
            .Select(q => q.Band)
            .OfType<Band>()
            .Distinct()
            .OrderBy(b => b.MegahertzLabel)
            .ToList();

        foreach (string _ in new[] { "band", "qsos", "points", "mults" })
        {
            Table.ColumnDefinitions.Add(new ColumnDefinition(GridLength.Star));
        }
        AddRow(0, "Band", "QSOs", "Points", "Mults", header: true);

        int row = 1;
        foreach (Band band in bands)
        {
            IReadOnlyList<Qso> onBand = session.Logging.Log.Qsos.Where(q => q.Band == band).ToList();
            AddRow(
                row++,
                band.Name,
                onBand.Count.ToString(),
                onBand.Sum(q => q.Points).ToString(),
                onBand.Sum(MultiplierCount).ToString());
        }
        AddRow(
            row,
            "Total",
            session.Logging.Log.Tally.Qsos.ToString(),
            session.Logging.Log.Tally.Points.ToString(),
            session.Logging.Log.Tally.TotalMultipliers.ToString(),
            header: true);

        TotalText.Text = $"Claimed score {session.Logging.Log.TotalScore:N0}";
    }

    private static int MultiplierCount(Qso qso) =>
        (qso.IsMultiplier1 ? 1 : 0) + (qso.IsMultiplier2 ? 1 : 0) + (qso.IsMultiplier3 ? 1 : 0);

    private void AddRow(int row, string band, string qsos, string points, string mults, bool header = false)
    {
        Table.RowDefinitions.Add(new RowDefinition(GridLength.Auto));
        string[] cells = [band, qsos, points, mults];
        for (int column = 0; column < cells.Length; column++)
        {
            TextBlock text = new()
            {
                Text = cells[column],
                FontFamily = new Avalonia.Media.FontFamily("monospace"),
                FontSize = 13,
                Opacity = header ? 1.0 : 0.85,
                Margin = new Avalonia.Thickness(0, 2, 8, 2),
            };
            Grid.SetRow(text, row);
            Grid.SetColumn(text, column);
            Table.Children.Add(text);
        }
    }
}