import {z} from 'zod'

export type AadhaarEkycSdkSession = 'session_initiated' | 'method_aadhaar_selected' | 'method_digilocker_selected' | 'aadhaar_otp_send_failure' | 'aadhaar_otp_send_success' | 'aadhaar_otp_verification_failure' | 'aadhaar_otp_verification_success' | 'digilocker_success' | 'digilocker_failure' | 'aadhaar_interrupted' | 'digilocker_interrupted';

export type GetApiV2EkycAadhaarSdkUpdateSessionArgs = {session_id: string, status: AadhaarEkycSdkSession, aadhaar_reference_id?: string | undefined};

export type GetApiV2EkycAadhaarSdkUpdateSessionOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const getApiV2EkycAadhaarSdkUpdateSessionResponse = z.unknown();

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
};

/**
 * Update Aadhaar Sdk Session
 * 
 * GET /v2/ekyc/aadhaar/sdk/update-session
 */
export const getApiV2EkycAadhaarSdkUpdateSession = async (args: GetApiV2EkycAadhaarSdkUpdateSessionArgs, options: GetApiV2EkycAadhaarSdkUpdateSessionOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.session_id != null) query.append("session_id", String(args.session_id))
if (args.status != null) query.append("status", String(args.status))
if (args.aadhaar_reference_id != null) query.append("aadhaar_reference_id", String(args.aadhaar_reference_id))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/ekyc/aadhaar/sdk/update-session${query.size > 0 ? `?${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(getApiV2EkycAadhaarSdkUpdateSessionResponse, await res.json())
};