import {Actor} from 'sentry/types';

// TODO(ts): add the correct type
export type Rules = Array<any> | null;

/**
 * Given a list of rule objects returned from the API, locate the matching
 * rules for a specific owner.
 */
function findMatchedRules(rules: Rules, owner: Actor) {
  if (!rules) {
    return undefined;
  }

  const matchOwner = (actorType: Actor['type'], key: string) =>
    (actorType === 'user' && key === owner.email) ||
    (actorType === 'team' && key === owner.name);

  const actorHasOwner = ([actorType, key]) =>
    actorType === owner.type && matchOwner(actorType, key);

  return rules
    .filter(([_, ruleActors]) => ruleActors.find(actorHasOwner))
    .map(([rule]) => rule);
}

export {findMatchedRules};