import {z} from 'zod'

export type VeriffIngestionProcess = 'profile' | 'address' | 'identity' | 'proof-of-address';

export type VeriffIntegrationConfigForRequest = {name: string, apiKey?: string | undefined, sharedSecretKey?: string | undefined, processes: Array<VeriffIngestionProcess>};

export type UpdateApiKycConnectorVeriffConfigArgs = {'X-On-Behalf-Of'?: string | undefined, body: {integrations: Array<VeriffIntegrationConfigForRequest>}};

export type UpdateApiKycConnectorVeriffConfigOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const veriffIngestionProcess = z.enum(["profile", "address", "identity", "proof-of-address"]);

export const veriffIntegrationConfig = z.object({name: z.string(), apiKey: z.string().optional(), sharedSecretKey: z.string().optional(), processes: z.array(veriffIngestionProcess)});

export const veriffProviderConfig = z.object({integrations: z.array(veriffIntegrationConfig), createdAt: z.string(), updatedAt: z.string()});

export const updateApiKycConnectorVeriffConfigResponse = z.object({config: veriffProviderConfig});

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
};

/**
 * Set Veriff config
 * 
 * PUT /kyc-connector/veriff/config
 */
export const updateApiKycConnectorVeriffConfig = async (args: UpdateApiKycConnectorVeriffConfigArgs, options?: UpdateApiKycConnectorVeriffConfigOptions) => {
const {baseUrl = "https://api.enterprise.sandbox.uphold.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args['X-On-Behalf-Of'] != null) headers.set("X-On-Behalf-Of", String(args['X-On-Behalf-Of']))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/kyc-connector/veriff/config${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(updateApiKycConnectorVeriffConfigResponse, await res.json())
};