import {z} from 'zod'

export type StartRequest = {language?: string | undefined, externalId?: string | undefined, externalCustomerId?: string | undefined, uuid?: string | undefined, configurationId?: string | undefined, redirectionUrl?: string | undefined, integrationReference?: string | undefined, urlUuid?: string | undefined, customFields?: {[key: string]: string} | undefined};

export type CreateApiOmniStartArgs = {'api-version': string, body: StartRequest};

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

export const startResponse = z.object({interviewId: z.string().min(24).max(24).optional(), token: z.string().max(2048).optional(), interviewCode: z.string().min(6).max(6).optional(), flowType: z.enum(["configuration", "flow", "workflow"]).optional(), idCaptureTimeout: z.number().int().optional(), idDetectionTimeout: z.number().int().optional(), selfieCaptureTimeout: z.number().int().optional(), idCaptureRetries: z.number().int().optional(), selfieCaptureRetries: z.number().int().optional(), curpValidationRetries: z.number().int().optional(), clientId: z.string().optional(), env: z.string().optional(), existingSession: 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
};

/**
 * Start onboarding
 * 
 * POST /omni/start
 */
export const createApiOmniStart = async (args: CreateApiOmniStartArgs, options?: CreateApiOmniStartOptions) => {
const {baseUrl = "https://demo-api.incodesmile.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args['api-version'] != null) headers.set("api-version", String(args['api-version']))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/omni/start${query.size > 0 ? `?${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(startResponse, await res.json())
};