import { ChatInputCommandInteraction } from "discord.js";
import { cfg } from "../../systems/config";
import { resolveUser, hasOfficerRole } from "../../systems/users";
import { normalizeSlot, detectSlot } from "../../systems/scores";
import { loadResult, todayString } from "../../systems/history";
import { getEmoji } from "../../systems/emojis";
import { replyAndDelete } from "../../utils";

export async function handleScoreGet(interaction: ChatInputCommandInteraction): Promise<void> {
  const member    = await interaction.guild!.members.fetch(interaction.user.id);
  const isOfficer = hasOfficerRole(member, cfg("officerRoles"));
  const nameArg   = interaction.options.getString("name");
  const slotArg   = interaction.options.getString("slot");

  if (nameArg && !isOfficer) {
    return void replyAndDelete(interaction, "❌ Only officers can view other players' scores.", true);
  }

  let userKey: string | null;
  if (nameArg) {
    userKey = nameArg;
  } else {
    const user = await resolveUser(member);
    userKey = user.userKey;
  }

  if (!userKey) return void replyAndDelete(interaction, "❌ You are not registered in the system.", true);

  let slot: number | null = null;
  if (slotArg) {
    slot = normalizeSlot(slotArg);
    if (slot === null) return void replyAndDelete(interaction, `❌ Could not parse slot "${slotArg}".`, true);
  } else {
    slot = detectSlot() ?? cfg("slots").find((s) => s.active)?.tgHour ?? 20;
  }

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

  // Find score — check both direct ownership and borrowed (playedBy)
  const score = result.scores.find(
    (s) => s.userKey === userKey || (s as any).playedBy === userKey
  );

  if (!score) return void replyAndDelete(interaction, `❌ No score submitted for **${userKey}** in the **${slot}:00** TG.`, true);

  const scoreEmoji = getEmoji("score") || "📊";
  const kdEmoji    = getEmoji("kd")    || "⚔️";
  const playedBy   = (score as any).playedBy && (score as any).playedBy !== score.userKey
    ? `\n*(played by ${(score as any).playedBy})*`
    : "";

  const lines = [
    `**${score.characterName}** (${score.class} · ${score.nation})${playedBy}`,
    `${scoreEmoji} **${score.pts}** pts`,
    score.atk  !== undefined ? `ATK: ${score.atk}` : null,
    score.def  !== undefined ? `DEF: ${score.def}` : null,
    score.heal !== undefined ? `HEAL: ${score.heal}` : null,
    `*Submitted at ${new Date(score.submittedAt).toLocaleTimeString("en-GB", { timeZone: process.env.TZ ?? "Etc/GMT-2" })}*`,
  ].filter(Boolean).join("\n");

  return void replyAndDelete(interaction, lines, true);
}