import type { UniqueID } from "@repo/rdx-ddd";
import { AggregateRoot } from "@repo/rdx-ddd";
import { Result } from "@repo/rdx-utils";
import { z } from "zod/v4";

import { MailboxRevision } from "./mailbox-revision.entity";
import { MailboxError } from "./mailbox-values";
import type { MailboxValues } from "./value-objects/mailbox-values.vo";

type MailboxProps = Readonly<{
  companyId: UniqueID;
  values: MailboxValues;
  history: readonly MailboxRevision[];
}>;

export class Mailbox extends AggregateRoot<MailboxProps> {
  private constructor(props: MailboxProps, id?: UniqueID) {
    super(Object.freeze({ ...props, history: Object.freeze([...props.history]) }), id);
  }

  static create(
    companyId: UniqueID,
    values: MailboxValues,
    actorId: UniqueID,
    recordedAt: string
  ): Result<Mailbox, MailboxError> {
    if (!z.iso.datetime().safeParse(recordedAt).success) {
      return Result.fail(new MailboxError("INVALID_REQUEST"));
    }

    return Result.ok(
      new Mailbox({
        companyId,
        values,
        history: [MailboxRevision.create({ values, actorId, recordedAt })],
      })
    );
  }

  static rehydrate(props: MailboxProps, id: UniqueID) {
    return new Mailbox(props, id);
  }

  get companyId() {
    return this.props.companyId;
  }

  get values() {
    return this.props.values;
  }

  get history() {
    return this.props.history;
  }

  update(
    values: MailboxValues,
    actorId: UniqueID,
    recordedAt: string
  ): Result<Mailbox, MailboxError> {
    if (this.values.equals(values)) {
      return Result.ok(this);
    }
    if (this.values.kind !== values.kind) {
      return Result.fail(new MailboxError("MAILBOX_KIND_IMMUTABLE"));
    }
    if (
      !z.iso.datetime().safeParse(recordedAt).success ||
      recordedAt < (this.history.at(-1)?.recordedAt ?? "")
    ) {
      return Result.fail(new MailboxError("INVALID_REQUEST"));
    }

    return Result.ok(
      new Mailbox(
        {
          ...this.props,
          values,
          history: [...this.history, MailboxRevision.create({ values, actorId, recordedAt })],
        },
        this.id
      )
    );
  }
}