import { Result, ValueObject } from "@common/domain";
import { z } from "zod";

export class EmailAddress extends ValueObject<string | null> {
  static create(email: string | null): Result<EmailAddress, Error> {
    const normalizedEmail = email?.trim() === "" ? null : email?.toLowerCase() || null;

    const result = EmailAddress.validate(normalizedEmail);

    return result.success
      ? Result.ok(new EmailAddress(result.data))
      : Result.fail(new Error(result.error.errors[0].message));
  }

  private static validate(email: string | null) {
    const schema = z.string().email({ message: "Invalid email format" }).or(z.null());
    return schema.safeParse(email);
  }

  isEmpty(): boolean {
    return this.value === null;
  }
}