import {z} from 'zod'

export type GetApiOpenid4vcIssuersSessionsIssuanceSessionIdArgs = {issuanceSessionId: string, 'x-tenant-id'?: string | undefined};

export type GetApiOpenid4vcIssuersSessionsIssuanceSessionIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const recordId = z.string();

export const publicIssuerId = z.string();

export const openId4VcIssuanceSessionState = z.enum(["OfferCreated", "OfferUriRetrieved", "AccessTokenRequested", "AccessTokenCreated", "CredentialRequestReceived", "CredentialIssued", "Error"]);

export const recordStringUnknown = z.record(z.string(), z.unknown());

export const iCredentialContextType = z.union([z.object({name: z.string().optional(), did: z.string().optional()}).and(z.record(z.string(), z.unknown())), z.string()]);

export const nameAndLocale = z.object({name: z.string().optional(), locale: z.string().optional()}).and(z.record(z.string(), z.unknown()));

export const credentialSubjectDisplay = z.object({mandatory: z.boolean().optional(), value_type: z.string().optional(), display: z.array(nameAndLocale).optional()});

export const issuerCredentialSubjectDisplay = z.object({mandatory: z.boolean().optional(), value_type: z.string().optional(), display: z.array(nameAndLocale).optional()}).and(z.record(z.string(), credentialSubjectDisplay));

export const issuerCredentialSubject = z.record(z.string(), issuerCredentialSubjectDisplay);

export const jsonLdIssuerCredentialDefinition = z.object({"@context": z.array(iCredentialContextType), types: z.array(z.string()), credentialSubject: issuerCredentialSubject.optional()});

export const credentialOfferFormat = z.union([z.object({format: z.union([z.enum(["jwt_vc_json-ld", "ldp_vc"]), z.enum(["ldp_vc", "jwt_vc_json-ld"])]), credential_definition: jsonLdIssuerCredentialDefinition}), z.object({format: z.union([z.enum(["jwt_vc_json", "jwt_vc"]), z.enum(["jwt_vc_json", "jwt_vc"])]), types: z.array(z.string())}), z.object({format: z.union([z.literal("vc+sd-jwt"), z.literal("vc+sd-jwt")]), vct: z.string(), claims: issuerCredentialSubject.optional()})]);

export const grantAuthorizationCode = z.object({issuer_state: z.string().optional(), authorization_server: z.string().optional()});

export const grantUrnIetf = z.object({"pre-authorized_code": z.string(), user_pin_required: z.boolean(), interval: z.number().optional(), authorization_server: z.string().optional()});

export const grant = z.object({authorization_code: grantAuthorizationCode.optional(), "urn:ietf:params:oauth:grant-type:pre-authorized_code": grantUrnIetf.optional()});

export const openId4VciCredentialOfferPayload = z.object({credential_issuer: z.string(), credentials: z.array(z.union([credentialOfferFormat, z.string()])), grants: grant.optional(), client_id: z.string().optional()});

export const openId4VcIssuanceSessionRecord = z.object({id: recordId, createdAt: z.string(), updatedAt: z.string().optional(), type: z.string(), publicIssuerId: publicIssuerId, state: openId4VcIssuanceSessionState, cNonce: z.string().optional(), cNonceExpiresAt: z.string().optional(), preAuthorizedCode: z.string().optional(), userPin: z.string().optional(), issuanceMetadata: recordStringUnknown.optional(), credentialOfferPayload: openId4VciCredentialOfferPayload, credentialOfferUri: z.string(), errorMessage: z.string().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get an OpenID4VC issuance session by issuance session id
 * 
 * GET /openid4vc/issuers/sessions/{issuanceSessionId}
 */
export const getApiOpenid4vcIssuersSessionsIssuanceSessionId = async (args: GetApiOpenid4vcIssuersSessionsIssuanceSessionIdArgs, options: GetApiOpenid4vcIssuersSessionsIssuanceSessionIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args['x-tenant-id'] != null) headers.set("x-tenant-id", String(args['x-tenant-id']))

const url = `${baseUrl.replace(/\/+$/, '')}/openid4vc/issuers/sessions/${encodeURIComponent(String(args.issuanceSessionId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(openId4VcIssuanceSessionRecord, await res.json())
};