import { GuildMember } from "discord.js";
import { Nation } from "../types";
import { getActiveCharacter } from "./characters";

export const NATION_UNICODE: Record<string, string> = {
  Capella: "🔴",
  Procyon: "🔵",
};

export const NATION_KEY: Record<Nation, "capella" | "procyon"> = {
  [Nation.Capella]: "capella",
  [Nation.Procyon]: "procyon",
};

export const NATION_FROM_KEY: Record<"capella" | "procyon", Nation> = {
  "capella": Nation.Capella,
  "procyon": Nation.Procyon,
};

export function nationKey(nation: Nation): "capella" | "procyon" {
  return NATION_KEY[nation];
}

// Resolve a user's nation — character nation takes priority over Discord role
export function resolveNation(member: GuildMember, userKey: string | null): Nation | null {
  // 1. Active character's nation
  if (userKey) {
    const char = getActiveCharacter(userKey);
    if (char) return char.nation;
  }

  // 2. Discord role fallback
  if (member.roles.cache.some((r) => r.name === Nation.Capella)) return Nation.Capella;
  if (member.roles.cache.some((r) => r.name === Nation.Procyon)) return Nation.Procyon;

  return null;
}

export function oppositeNation(nation: Nation): Nation {
  return nation === Nation.Capella ? Nation.Procyon : Nation.Capella;
}

export const Nations = {
  key(nation: Nation): "capella" | "procyon" {
    return NATION_KEY[nation];
  },

  resolve(member: GuildMember, userKey: string|null): Nation | null {
    // 1. Active character's nation
    if (userKey) {
      const char = getActiveCharacter(userKey);
      if (char) return char.nation;
    }

    // 2. Discord role fallback
    if (member.roles.cache.some((r) => r.name === Nation.Capella)) return Nation.Capella;
    if (member.roles.cache.some((r) => r.name === Nation.Procyon)) return Nation.Procyon;

    return null;
  },

  opposite(nation: Nation): Nation {
    return nation === Nation.Capella ? Nation.Procyon : Nation.Capella;
  },
}