import {z} from 'zod'

export type PersonDocumentUploadType = 'person.identification_bundle';

export type PersonDocumentUploadRequest = {person: string, type: PersonDocumentUploadType};

export type BusinessDocumentUploadType = 'business.articles_of_association' | 'business.commercial_register_extract' | 'business.shareholder_list';

export type BusinessDocumentUploadRequestV2 = {business: string, type: BusinessDocumentUploadType};

export type CreateApiSubmitDocumentArgs = {'LMG-Data-Privacy-Access-Principal': string, 'LMG-Data-Privacy-Access-Justification': string, body: PersonDocumentUploadRequest | BusinessDocumentUploadRequestV2};

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

export const personDocumentUploadType = z.literal("person.identification_bundle");

export const personDocumentUploadResponse = z.object({person: z.string(), type: personDocumentUploadType, upload_location: z.string(), expires_at: z.string()});

export const businessDocumentUploadType = z.enum(["business.articles_of_association", "business.commercial_register_extract", "business.shareholder_list"]);

export const businessDocumentUploadResponseV2 = z.object({business: z.string(), type: businessDocumentUploadType, upload_location: z.string(), expires_at: z.string()});

export const createApiSubmitDocumentResponse = z.discriminatedUnion("type", [personDocumentUploadResponse, businessDocumentUploadResponseV2]);

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
};

/**
 * Submit Document
 * 
 * POST /submit_document
 */
export const createApiSubmitDocument = async (args: CreateApiSubmitDocumentArgs, options?: CreateApiSubmitDocumentOptions) => {
const {baseUrl = "https://sandbox.api.lemon.markets/v1", 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 (args['LMG-Data-Privacy-Access-Principal'] != null) headers.set("LMG-Data-Privacy-Access-Principal", String(args['LMG-Data-Privacy-Access-Principal']))
if (args['LMG-Data-Privacy-Access-Justification'] != null) headers.set("LMG-Data-Privacy-Access-Justification", String(args['LMG-Data-Privacy-Access-Justification']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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