import { Rule } from "../rule";
import { Context } from "../context";
import { Options } from "../options";
import { Client } from "../client";
import { getEmail } from "../utils";

export default class UserEmail extends Rule {
  private readonly pattern: string;

  constructor(context: Context, options: Options) {
    super(context, options);
    this.pattern = options.string("pattern");
  }

  async run(client: Client): Promise<void> {
    const pattern = new RegExp(`^${this.pattern}$`);

    const users = await client.listUsers();
    for (const user of users) {
      const email = getEmail(user);
      if (email && !email.match(pattern)) {
        this.report(user, "userEmailDoesNotMatchPattern", {
          email,
          pattern: pattern.toString()
        });
      }
    }
  }
}