import {z} from 'zod'

export type AmlVerificationStatuses = 'created' | 'screening_in_progress' | 'approved' | 'declined' | 'review_required';

export type ApplicantId = string;

export type SearchParameters = {configuration_identifier: string};

export type IdvHalLink = {href: string};

export type AmlVerificationLinks = {self: IdvHalLink};

export type AmlVerificationId = string;

export type AmlVerification = {created_on: string, modified_on: string, status: AmlVerificationStatuses, applicant_id: ApplicantId, search_parameters: SearchParameters, monitored?: boolean | undefined, _links: AmlVerificationLinks, id: AmlVerificationId};

export type CreateApiAmlVerificationsArgs = {body: AmlVerification};

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

export const amlVerificationStatuses = z.enum(["created", "screening_in_progress", "approved", "declined", "review_required"]);

export const applicantId = z.string();

export const searchParameters = z.object({configuration_identifier: z.string()});

export const idvHalLink = z.object({href: z.string()});

export const amlVerificationLinks = z.object({self: idvHalLink});

export const amlVerificationId = z.string();

export const amlVerificationOutput = z.object({created_on: z.string(), modified_on: z.string(), status: amlVerificationStatuses, applicant_id: applicantId, search_parameters: searchParameters, monitored: z.boolean().optional(), _links: amlVerificationLinks, id: amlVerificationId});

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
};

/**
 * Create an AML screening
 * 
 * POST /aml-verifications
 * 
 * Also accepts auth: ApiSecretKey
 */
export const createApiAmlVerifications = async (args: CreateApiAmlVerificationsArgs, options: CreateApiAmlVerificationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth} = options ?? {}

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

if (OAuth !== undefined) headers.set('authorization', `Bearer ${OAuth}`)

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