import "reflect-metadata";
import { Message } from "@fluxerjs/core";
import type { ArgSchema } from "@/args";

export interface ModuleMeta {
  name: string;
  description?: string;
}

export const MODULE_META_KEY = Symbol("fluxer:module");
export const MODULE_COMMANDS_KEY = Symbol("fluxer:module-commands");

export interface CommandMethodMeta {
  name: string;
  aliases?: string[];
  description: string;
  args?: ArgSchema;
}

export interface ModuleCommand {
  methodName: string;
  meta: CommandMethodMeta;
}

export type Guard = (msg: Message) => boolean | Promise<boolean>;

export function Module(meta: ModuleMeta & { guards?: Guard[] }): ClassDecorator {
  return (target) => {
    Reflect.defineMetadata(MODULE_META_KEY, meta, target);
  };
}