import { User } from "discord.js";
import { GlobalPluginData } from "knub";
import { GuildInvite } from "../../../utils.js";
import { BotControlPluginType } from "../types.js";

const REQUIRED_MEMBER_COUNT = 5000;

export async function isEligible(
  pluginData: GlobalPluginData<BotControlPluginType>,
  user: User,
  invite: GuildInvite,
): Promise<{ result: boolean; explanation: string }> {
  if ((await pluginData.state.apiPermissionAssignments.getByUserId(user.id)).length) {
    return {
      result: true,
      explanation: "User is an existing bot operator",
    };
  }

  if (invite.guild.features.includes("PARTNERED")) {
    return {
      result: true,
      explanation: "Server is partnered",
    };
  }

  if (invite.guild.features.includes("VERIFIED")) {
    return {
      result: true,
      explanation: "Server is verified",
    };
  }

  const memberCount = invite.memberCount || 0;
  if (memberCount >= REQUIRED_MEMBER_COUNT) {
    return {
      result: true,
      explanation: `Server has ${memberCount} members, which is equal or higher than the required ${REQUIRED_MEMBER_COUNT}`,
    };
  }

  return {
    result: false,
    explanation: "Server does not meet requirements",
  };
}