import {z} from 'zod'

export type ListAuditsPageSize = number;

export type PageCursor = string;

export type GetApiAuditsArgs = {pageSize?: ListAuditsPageSize | undefined, pageCursor?: PageCursor | undefined, changedSinceDate?: string | undefined, isActiveAudit?: boolean | undefined};

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

export const auditFocus = z.enum(["EXTERNAL", "INTERNAL"]);

export const audit = z.object({id: z.string(), customerOrganizationName: z.string(), customerDisplayName: z.string().nullable(), customerOrganizationId: z.string(), auditStartDate: z.string(), auditEndDate: z.string(), earlyAccessStartsAt: z.string().nullable(), framework: z.string(), displayName: z.string(), allowAuditorEmails: z.array(z.string()), allowAllAuditors: z.boolean(), deletionDate: z.string().nullable(), creationDate: z.string(), modificationDate: z.string().nullable(), completionDate: z.string().nullable(), auditFocus: auditFocus, auditorRequestListMetadata: z.object({requestsSharedWithCustomer: z.string().nullable()}).optional()});

export const pageInfo = z.object({endCursor: z.string().nullable(), hasNextPage: z.boolean(), hasPreviousPage: z.boolean(), startCursor: z.string().nullable()});

export const paginatedResponseAudit = z.object({results: z.object({data: z.array(audit), pageInfo: pageInfo})});

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
};

/**
 * List audits
 * 
 * GET /audits
 */
export const getApiAudits = async (args: GetApiAuditsArgs, options?: GetApiAuditsOptions) => {
const {baseUrl = "https://api.vanta.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.changedSinceDate != null) query.append("changedSinceDate", String(args.changedSinceDate))
if (args.isActiveAudit != null) query.append("isActiveAudit", String(args.isActiveAudit))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/audits${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(paginatedResponseAudit, await res.json())
};