import {z} from 'zod'

export type IdentityDiscoverablePasskeyConfirmation = {credential_response: unknown, family_token: string};

export type CreateApiIdentitySignInDiscoverablePasskeyAssertionsChallengeConfirmationArgs = {challenge: string, body: IdentityDiscoverablePasskeyConfirmation};

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

export const identitySignInStep2IndividualOutput = z.object({email: z.string().optional(), first_name: z.string().optional(), id: z.string().optional(), last_name: z.string().optional(), status: z.string().optional()});

export const identitySignInStep2GroupOutput = z.object({business_eligible: z.boolean().optional(), group_id: z.string().optional(), individual: identitySignInStep2IndividualOutput.optional(), relationship: z.string().optional()});

export const identitySignInStep2Output = z.object({groups: z.array(identitySignInStep2GroupOutput).nullable().optional(), migration_expires_ts: z.string().nullable().optional(), migration_required: z.boolean().optional(), migration_token: z.string().optional(), session_token: z.string().optional(), success: z.boolean().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
};

/**
 * Verify a discoverable passkey assertion
 * 
 * POST /identity/sign_in/discoverable_passkey_assertions/{challenge}/confirmation
 */
export const createApiIdentitySignInDiscoverablePasskeyAssertionsChallengeConfirmation = async (args: CreateApiIdentitySignInDiscoverablePasskeyAssertionsChallengeConfirmationArgs, options: CreateApiIdentitySignInDiscoverablePasskeyAssertionsChallengeConfirmationOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/identity/sign_in/discoverable_passkey_assertions/${encodeURIComponent(String(args.challenge))}/confirmation${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(identitySignInStep2Output, await res.json())
};