import { ChatInputCommandInteraction } from "discord.js";
import { Config } from "../../systems/config";
import { loadResult, todayString } from "../../systems/history";
import { normalizeSlot, detectSlot } from "../../systems/scores";
import { replyAndDelete } from "../../utils";

export async function handleResultView(interaction: ChatInputCommandInteraction): Promise<void> {
  const slotArg = interaction.options.getString("slot");

  let slot: number | null = null;
  if (slotArg) {
    slot = normalizeSlot(slotArg);
    if (slot === null) return void replyAndDelete(interaction, `❌ Could not parse slot "${slotArg}".`);
  } else {
    slot = detectSlot() ?? Config.get({ section: "poll", key: "slots" })[0]?.tgHour ?? 20;
  }

  const result = loadResult(todayString(), slot);
  if (!result) return void replyAndDelete(interaction, `❌ No result found for ${slot}:00 TG today.`);

  const kd = result.nationKD;
  const lines = [
    `**TG ${slot}:00 — ${result.date}**`,
    `**Capella:** ${kd.capella.k}K / ${kd.capella.d}D`,
    `**Procyon:** ${kd.procyon.k}K / ${kd.procyon.d}D`,
    `**Scores submitted:** ${result.scores.length}`,
    result.scores.map((s) => `• ${s.characterName} (${s.class}) — ${s.pts} pts`).join("\n"),
  ].join("\n");

  return void replyAndDelete(interaction, lines);
}