namespace Aeshnidae.LootTables;

public static class Commands
{
    [CommandHandler("loottables", AccessLevel.Developer, CommandHandlerFlag.None, 0,
        "How many code-side loot tables there are and which are overridden.",
        "/loottables")]
    public static void HandleStatus(Session session, params string[] parameters)
    {
        var file = Mod.Settings.ReadOverrides(Mod.ModPath);
        var sb = new StringBuilder($"{Mod.Name}: {Tables.All.Count} code-side loot tables, {file.Tables.Count} overridden");
        foreach (var id in file.Tables.Keys.OrderBy(k => k))
            sb.Append('\n').Append("  ").Append(id);
        Reply(session, sb.ToString());
    }

    [CommandHandler("loottables-apply", AccessLevel.Developer, CommandHandlerFlag.None, 0,
        "Re-read the loot-table overrides and apply them (between landblock ticks). The staff site runs this after a save.",
        "/loottables-apply")]
    public static void HandleApply(Session session, params string[] parameters)
    {
        try
        {
            var result = Mod.ApplyNow();
            var line = $"Loot tables applied: {result.Applied} overridden, the rest retail" +
                       (result.Errors.Count > 0 ? $"; refused: {string.Join(" | ", result.Errors)}" : "");
            Reply(session, line);
            ModManager.Log($"[{Mod.Name}] loottables-apply by {session?.Player?.Name ?? "console"}: {line}");
        }
        catch (Exception ex)
        {
            Reply(session, $"Loot tables NOT applied: {ex.InnerException?.Message ?? ex.Message}");
            ModManager.Log($"[{Mod.Name}] loottables-apply failed: {ex}", ModManager.LogLevel.Error);
        }
    }

    private static void Reply(Session? session, string message)
    {
        if (session?.Player is null)
        {
            ModManager.Log(message);
            return;
        }
        foreach (var line in message.Split('\n'))
            session.Player.SendMessage(line);
    }
}