namespace Aeshnidae.Trials;

/// <summary>
/// The Trials in the Codex (Aeshnidae.Codex finds this class by reflection when
/// "Aeshnidae.Trials" is in its Sections): your bests, the records you hold, the
/// trophies you have won, then the server records.
/// </summary>
public static class CodexPage
{
    public static string Title => "Trials";

    public static string[] Pages(Player player)
    {
        if (player is null || !TrialDb.Ready || !Mod.Settings.Enabled)
            return Array.Empty<string>();

        try
        {
            var s = Mod.Settings;
            var pages = new List<string>();
            var me = new StringBuilder();

            me.AppendLine("TRIALS");
            me.AppendLine();
            me.AppendLine("A fresh personal copy of a listed dungeon, entered through its portal, is a timed course: kill everything and the clock stops. Leaving, dying or a teleport voids the run.");
            me.AppendLine();

            var bests = TrialDb.PersonalBests(player.Guid.Full);
            me.AppendLine("Your bests:");
            if (bests.Count == 0)
                me.AppendLine("  none yet");
            foreach (var b in bests)
                me.AppendLine($"  {Mod.TrialName(b.Landblock)}, tier {b.Tier}: {b.Time}");

            var held = TrialDb.RecordsHeldBy(player.Guid.Full);
            me.AppendLine();
            me.AppendLine($"Records held: {held.Count}");
            foreach (var r in held)
                me.AppendLine($"  {Mod.TrialName(r.Landblock)}, tier {r.Tier}: {r.Time}");

            var won = TrialDb.AwardsOf(player.Guid.Full);
            me.AppendLine();
            me.AppendLine($"Trophies won: {won.Count}");
            foreach (var a in won.Take(8))
                me.AppendLine($"  {Mod.TrialName(a.Landblock)}, week of {Weeks.Describe(a.Week, s)}: {a.Time} (tier {a.Tier})");

            pages.Add(me.ToString().TrimEnd());

            var sb = new StringBuilder();
            sb.AppendLine("SERVER RECORDS");
            sb.AppendLine();

            var records = TrialDb.ServerBests();
            foreach (var (landblock, _) in Mod.Trials.OrderBy(kv => kv.Key))
            {
                sb.AppendLine(Mod.TrialName(landblock).ToUpperInvariant());
                var rows = records.Where(r => r.Landblock == landblock).OrderBy(r => r.Tier).ToList();
                if (rows.Count == 0)
                    sb.AppendLine("  no clear yet");
                foreach (var r in rows)
                    sb.AppendLine($"  tier {r.Tier}: {r.Time} - {r.CharacterName}");
                sb.AppendLine();
            }

            sb.AppendLine($"Trophies go out {s.AwardDayOfWeek}s at {s.AwardHour:00}:00. /trial for the boards.");
            pages.Add(sb.ToString().TrimEnd());

            return pages.ToArray();
        }
        catch (Exception ex)
        {
            ModManager.Log($"[{Mod.Name}] Codex page failed: {ex.Message}", ModManager.LogLevel.Warn);
            return Array.Empty<string>();
        }
    }
}