import {z} from 'zod'

export type ExternalId = string;

export type EnumLinkAccessModeRequest = 'single' | 'recurrent';

export type FetchResourcesEmploymentBrazil = Array<'EMPLOYMENTS' | 'OWNERS'>;

export type CredentialsStorage = string;

export type StaleIn = string;

export type LinksRequestEmploymentBrazil = {institution: string, username: string, password: string, external_id?: ExternalId | undefined, access_mode?: EnumLinkAccessModeRequest | undefined, fetch_resources?: FetchResourcesEmploymentBrazil | undefined, credentials_storage?: CredentialsStorage | undefined, stale_in?: StaleIn | undefined};

export type FetchResourcesEmploymentMexico = Array<'EMPLOYMENT_RECORDS' | 'CURRENT_EMPLOYMENTS' | 'EMPLOYMENT_METRICS'>;

export type LinksRequestEmploymentMexico = {institution: string, username: string, username2?: string | undefined, external_id?: ExternalId | undefined, access_mode?: EnumLinkAccessModeRequest | undefined, fetch_resources?: FetchResourcesEmploymentMexico | undefined, credentials_storage?: CredentialsStorage | undefined, stale_in?: StaleIn | undefined};

export type FetchResourcesFiscalMexico = Array<'FINANCIAL_STATEMENTS' | 'INVOICES' | 'TAX_COMPLIANCE_STATUS' | 'TAX_RETENTIONS' | 'TAX_RETURNS' | 'TAX_STATUS'>;

export type LinksRequestFiscalMexico = {institution: string, username: string, password: string, external_id?: ExternalId | undefined, access_mode?: EnumLinkAccessModeRequest | undefined, fetch_resources?: FetchResourcesFiscalMexico | undefined, credentials_storage?: CredentialsStorage | undefined, stale_in?: StaleIn | undefined};

export type CreateApiApiLinksArgs = {body: LinksRequestEmploymentBrazil | LinksRequestEmploymentMexico | LinksRequestFiscalMexico};

export type CreateApiApiLinksOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const id = z.string();

export const enumLinkAccessModeResponse = z.enum(["single", "recurrent", "null"]).nullable();

export const lastAccessedAt = z.string().nullable();

export const createdAt = z.string();

export const externalId = z.string().min(3).max(256);

export const enumLinkStatus = z.enum(["valid", "invalid", "unconfirmed", "token_required"]);

export const createdBy = z.string();

export const enumLinkRefreshRate = z.enum(["6h", "12h", "24h", "7d", "30d", "null"]).nullable();

export const credentialsStorage = z.string();

export const staleIn = z.string();

export const link = z.object({id: id.optional(), institution: z.string().optional(), access_mode: enumLinkAccessModeResponse.optional(), last_accessed_at: lastAccessedAt.optional(), created_at: createdAt.optional(), external_id: externalId.optional(), institution_user_id: z.string().optional(), status: enumLinkStatus.optional(), created_by: createdBy.optional(), refresh_rate: enumLinkRefreshRate.optional(), credentials_storage: credentialsStorage.optional(), fetch_resources: z.array(z.string()).optional(), stale_in: staleIn.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
};

/**
 * Register a new link
 * 
 * POST /api/links/
 */
export const createApiApiLinks = async (args: CreateApiApiLinksArgs, options?: CreateApiApiLinksOptions) => {
const {baseUrl = "https://sandbox.belvo.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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