import {z} from 'zod'

export type GetApiPiasArgs = {export?: boolean | undefined, 'sorting[column]'?: string | undefined, 'sorting[direction]'?: string | undefined};

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

export const pia = z.object({name: z.string(), status: z.number().int().optional(), author_name: z.string().optional(), evaluator_name: z.string().optional(), validator_name: z.string().optional(), dpo_status: z.number().int().optional(), dpo_option: z.string().optional(), dpos_name: z.string().optional(), people_name: z.string().optional(), concerned_people_opinion: z.string().optional(), concerned_people_status: z.number().int().optional(), rejection_reason: z.string().optional(), applied_adjustments: z.string().optional(), is_example: z.number().int().optional(), concerned_people_searched_opinion: z.boolean().optional(), concerned_people_searched_content: z.string().optional(), structure_id: z.number().int().optional(), structure_name: z.string().optional(), structure_sector_name: z.string().optional(), structure_data: z.string().optional()});

export const getApiPiasResponse = z.array(pia);

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
};

/**
 * Returns all PIAs.
 * 
 * GET /pias
 */
export const getApiPias = async (args: GetApiPiasArgs, options?: GetApiPiasOptions) => {
const {baseUrl = "https://pia-back.atnosapp.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.export != null) query.append("export", String(args.export))
if (args['sorting[column]'] != null) query.append("sorting[column]", String(args['sorting[column]']))
if (args['sorting[direction]'] != null) query.append("sorting[direction]", String(args['sorting[direction]']))

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