import { Result } from "@repo/rdx-utils";

import type { SoftwareInstallation } from "../domain/software-installation.aggregate";
import type { SoftwareInstallationInput } from "../domain/software-installation-values";
import { SoftwareInstallationError } from "../domain/software-installation-values";
import { SoftwareInstallationValues } from "../domain/value-objects/software-installation-values.vo";

import type { SoftwareContext } from "./software-installation.repository";
import { softwareAvailable, softwareReferences } from "./software-installation-policy";

export function mapSoftwareInput(
  input: SoftwareInstallationInput,
  context: SoftwareContext,
  previous?: SoftwareInstallation
) {
  const parsed = SoftwareInstallationValues.create(input);

  if (!parsed.isSuccess) {
    return parsed;
  }
  const values = parsed.data;

  if (previous && !previous.values.sameTarget(values)) {
    return Result.fail(new SoftwareInstallationError("SOFTWARE_TARGET_IMMUTABLE"));
  }
  if (!softwareReferences(values, context)) {
    return Result.fail(new SoftwareInstallationError("SOFTWARE_REFERENCE_NOT_FOUND"));
  }
  const reconfiguring =
    !previous ||
    previous.values.state !== values.state ||
    previous.values.version.getOrUndefined() !== values.version.getOrUndefined();

  if (
    ["pending", "configured"].includes(values.state) &&
    reconfiguring &&
    !softwareAvailable(values, context)
  ) {
    return Result.fail(new SoftwareInstallationError("SOFTWARE_REFERENCE_UNAVAILABLE"));
  }
  const others = context.configurations.filter(
    (item) => !(item.id.equals(previous?.id) || item.values.closed)
  );

  if (!values.closed && others.some((item) => item.values.sameTarget(values))) {
    return Result.fail(new SoftwareInstallationError("SOFTWARE_ALREADY_OPEN"));
  }

  return parsed;
}