import {z} from 'zod'

export type GetApiEnmDbQueryStudyArgs = {db: 'calibrate' | 'enanomapper' | 'enpra' | 'gracious' | 'marina' | 'nanogenotox' | 'nanoinformatix' | 'nanoreg1' | 'nanoreg2' | 'nanotest' | 'sanowork' | 'sbd4nano' | 'sabydoma', top?: ('P-CHEM' | 'ECOTOX' | 'ENV FATE' | 'TOX' | 'EXPOSURE') | undefined, category?: string | undefined};

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

export const facet = z.object({facet: 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
};

/**
 * Search endpoint summary
 * 
 * GET /enm/{db}/query/study
 */
export const getApiEnmDbQueryStudy = async (args: GetApiEnmDbQueryStudyArgs, options?: GetApiEnmDbQueryStudyOptions) => {
const {baseUrl = "https://api.ideaconsult.net/enanomapper", fetch: fetchFn = fetch} = options ?? {}

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

if (args.top != null) query.append("top", String(args.top))
if (args.category != null) query.append("category", String(args.category))

const url = `${baseUrl.replace(/\/+$/, '')}/enm/${encodeURIComponent(String(args.db))}/query/study${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(facet, await res.json())
};