import { ChatInputCommandInteraction } from "discord.js";
import { Config } from "../../systems/config";
import { resolveUser, hasOfficerRole } from "../../systems/users";
import { addCharacter } from "../../systems/characters";
import { replyAndDelete } from "../../utils";
import { ClassKey, Nation } from "../../types";

export async function handleCharAdd(interaction: ChatInputCommandInteraction): Promise<void> {
  const member    = await interaction.guild!.members.fetch(interaction.user.id);
  const isOfficer = hasOfficerRole(member, Config.get({ section: "roles", key: "officer" }));
  const nameArg   = interaction.options.getString("name");
  const charName  = interaction.options.getString("char_name", true);
  const cls       = interaction.options.getString("class", true) as ClassKey;
  const level     = interaction.options.getInteger("level", true);
  const nation    = interaction.options.getString("nation", true) as Nation;

  let userKey: string | null;
  if (nameArg) {
    if (!isOfficer) return replyAndDelete(interaction, "❌ Only officers can manage other players' characters.");
    userKey = nameArg;
  } else {
    const user = await resolveUser(member);
    userKey = user.userKey;
  }

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

  const added = addCharacter(userKey, { name: charName, class: cls, level, nation });
  if (!added) return replyAndDelete(interaction, `❌ A character named **${charName}** already exists.`);

  return replyAndDelete(interaction, `✅ Character **«${charName}»** (${cls} · Lv${level} · ${nation}) added.`);
}