import {z} from 'zod'

export type GetApiV4PointersArgs = {pipeline_name?: string | undefined, skip?: number | undefined, limit?: number | undefined, order_by?: string | undefined};

export type GetApiV4PointersOptions = {baseUrl?: string | undefined, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const pointerGet = z.object({id: z.string(), pointer: z.string(), pipeline_id: z.string(), locked: z.boolean()});

export const paginatedPointerGet = z.object({skip: z.number().int().gte(0), limit: z.number().int().gte(1).lte(1000), total: z.number().int().gte(0), data: z.array(pointerGet)});

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
};

/**
 * Index
 * 
 * GET /v4/pointers
 * 
 * Also accepts auth: APIKeyCookie
 */
export const getApiV4Pointers = async (args: GetApiV4PointersArgs, options?: GetApiV4PointersOptions) => {
const {baseUrl = "https://www.mystic.ai", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.pipeline_name != null) query.append("pipeline_name", String(args.pipeline_name))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.order_by != null) query.append("order_by", String(args.order_by))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v4/pointers${query.size > 0 ? `?${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(paginatedPointerGet, await res.json())
};