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

import { WorkProfileValues } from "../domain/value-objects/work-profile-values.vo";
import type { WorkProfile } from "../domain/work-profile.aggregate";
import type { WorkProfileInput } from "../domain/work-profile-values";
import { WorkProfileError } from "../domain/work-profile-values";

import type { WorkProfileContext } from "./work-profile.repository";

export function profileReferencesAvailable(values: WorkProfileValues, context: WorkProfileContext) {
  if (
    !(
      context.people.some((person) => person.id.equals(values.personId) && person.active) &&
      context.assets.some(
        (asset) =>
          asset.id.equals(values.assetId) && asset.available && asset.isProfileHost === true
      )
    )
  ) {
    return false;
  }
  const accountId = values.accountId.getOrUndefined();

  if (!accountId) {
    return true;
  }
  const account = context.items.find((item) => item.id.equals(accountId))?.values;

  if (
    !account ||
    account.kind !== "account" ||
    !account.active ||
    account.usage === "technical" ||
    (account.expiresOn && account.expiresOn < context.today)
  ) {
    return false;
  }
  const system = context.items.find((item) => item.id.toPrimitive() === account.systemId)?.values;
  const environment = account.environmentId
    ? context.items.find((item) => item.id.toPrimitive() === account.environmentId)?.values
    : undefined;

  if (
    !system ||
    system.kind !== "system" ||
    !system.active ||
    (account.environmentId &&
      (!environment || environment.kind !== "environment" || !environment.active))
  ) {
    return false;
  }

  return context.items.some((item) => {
    const link = item.values;

    return (
      link.kind === "account_person" &&
      link.personId === values.personId.toPrimitive() &&
      link.accountId === accountId.toPrimitive() &&
      link.startDate <= context.today &&
      (link.endDate === null || context.today < link.endDate) &&
      (link.configuration === "pending" || link.configuration === "configured")
    );
  });
}

export function mapWorkProfileInput(
  input: WorkProfileInput,
  context: WorkProfileContext,
  previous?: WorkProfile
) {
  const mapped = WorkProfileValues.create(input);

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

  if (previous && !previous.values.sameTarget(values)) {
    return Result.fail(new WorkProfileError("PROFILE_TARGET_IMMUTABLE"));
  }
  if (
    !(
      context.people.some((person) => person.id.equals(values.personId)) &&
      context.assets.some((asset) => asset.id.equals(values.assetId))
    )
  ) {
    return Result.fail(new WorkProfileError("PROFILE_REFERENCE_NOT_FOUND"));
  }
  const accountId = values.accountId.getOrUndefined();

  if (
    accountId &&
    !context.items.some((item) => item.id.equals(accountId) && item.values.kind === "account")
  ) {
    return Result.fail(new WorkProfileError("PROFILE_REFERENCE_NOT_FOUND"));
  }
  const changingAccount =
    previous?.values.toPrimitive().accountId !== values.toPrimitive().accountId;

  if (
    values.active &&
    (!(previous && previous.values.active) || changingAccount) &&
    !profileReferencesAvailable(values, context)
  ) {
    return Result.fail(new WorkProfileError("PROFILE_REFERENCE_UNAVAILABLE"));
  }
  if (
    values.active &&
    context.profiles.some(
      (item) =>
        item.id.toPrimitive() !== previous?.id.toPrimitive() &&
        item.values.active &&
        item.values.sameTarget(values)
    )
  ) {
    return Result.fail(new WorkProfileError("PROFILE_ALREADY_ACTIVE"));
  }

  return mapped;
}