import {z} from 'zod'

export type DID = unknown;

export type Agent = {'@id': string, role?: ('VASP' | 'Custodian' | 'SettlementAddress' | 'SourceAddress' | 'Gateway' | 'Unknown') | undefined, for?: string | undefined, policies?: (Array<{'@type': 'REQUIRE_AUTHORIZATION' | 'REQUIRE_PRESENTATION' | 'REQUIRE_RELATIONSHIP_CONFIRMATION'} | {[key: string]: unknown}>) | undefined, memoTag?: string | undefined, selectedAsset?: string | undefined, selectedSettlementAddress?: string | undefined};

export type CreateApiEntitiesEntityDIDTxTransferIdAgentsArgs = {entityDID: DID, transferId: string, body: {agent: Agent}};

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

export const createApiEntitiesEntityDIDTxTransferIdAgentsResponse = z.object({message: 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
};

/**
 * Add an agent to a transfer
 * 
 * POST /entities/{entityDID}/tx/{transferId}/agents
 */
export const createApiEntitiesEntityDIDTxTransferIdAgents = async (args: CreateApiEntitiesEntityDIDTxTransferIdAgentsArgs, options?: CreateApiEntitiesEntityDIDTxTransferIdAgentsOptions) => {
const {baseUrl = "https://api.eu1.notabene.id", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/entities/${encodeURIComponent(String(args.entityDID))}/tx/${encodeURIComponent(String(args.transferId))}/agents${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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