export const SCHEMA_ORG_CONTEXT = "https://schema.org";
export const SERVICE_ID = "endorser.ch";

export interface GenericClaim {
  "@context": string;
  "@type": string;
  issuedAt: string;
  // "any" because arbitrary objects can be subject of agreement
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  claim: Record<any, any>;
}

export interface AgreeVerifiableCredential {
  "@context": string;
  "@type": string;
  // "any" because arbitrary objects can be subject of agreement
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  object: Record<any, any>;
}

export interface GiveServerRecord {
  agentDid: string;
  amount: number;
  amountConfirmed: number;
  description: string;
  fullClaim: GiveVerifiableCredential;
  handleId: string;
  issuedAt: string;
  recipientDid: string;
  unit: string;
}

export interface GiveVerifiableCredential {
  "@context"?: string; // optional when embedded, eg. in an Agree
  "@type": string;
  agent: { identifier: string };
  description?: string;
  identifier?: string;
  object: { amountOfThisGood: number; unitCode: string };
  recipient: { identifier: string };
}

export interface RegisterVerifiableCredential {
  "@context": string;
  "@type": string;
  agent: { identifier: string };
  object: string;
  recipient: { identifier: string };
}

// This is used to check for hidden info.
// See https://github.com/trentlarson/endorser-ch/blob/0cb626f803028e7d9c67f095858a9fc8542e3dbd/server/api/services/util.js#L6
const HIDDEN_DID = "did:none:HIDDEN";

const UNKNOWN_ENTITY = "Someone Unknown";
const UNKNOWN_VISIBLE = "Someone Unnamed";

export function isHiddenDid(did) {
  return did === HIDDEN_DID;
}

/**
 always returns text, maybe UNNAMED_VISIBLE or UNKNOWN_ENTITY
 **/
export function didInfo(did, identifiers, contacts) {
  const myId = R.find((i) => i.did === did, identifiers);
  if (myId) {
    return "You";
  } else {
    const contact = R.find((c) => c.did === did, contacts);
    if (contact) {
      return contact.name || "(no name)";
    } else if (isHiddenDid(did)) {
      return UNKNOWN_ENTITY;
    } else {
      return UNKNOWN_VISIBLE;
    }
  }
}