import {z} from 'zod'

export type IndexedRecord = {id: string, url: string, schema: string, hashed_label_map: {[key: string]: {field_schema?: ({type: string, minimum?: number | undefined, maximum?: number | undefined}) | undefined, hashed_value?: string | undefined}}, data?: Record<string, never> | undefined};

export type CreateApiApiRecordsArgs = {body: IndexedRecord};

export type CreateApiApiRecordsOptions = {baseUrl: string, cookieAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const indexedRecord = z.object({id: z.string(), url: z.string(), schema: z.string(), hashed_label_map: z.record(z.string(), z.object({field_schema: z.object({type: z.string(), minimum: z.number().optional(), maximum: z.number().optional()}).optional(), hashed_value: z.string().optional()})), data: z.object({}).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
};

/**
 * Create a new record
 * 
 * POST /api/records/
 * 
 * Also accepts auth: basicAuth, jwtAuth
 */
export const createApiApiRecords = async (args: CreateApiApiRecordsArgs, options: CreateApiApiRecordsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, cookieAuth} = options ?? {}

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

if (cookieAuth !== undefined) cookies.push("sessionid=" + encodeURIComponent(cookieAuth))

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