import {z} from 'zod'

export type Element = {id: number, payload?: {[key: string]: unknown} | undefined, score: number, tie_breaker?: number | undefined};

export type PutMultiElementsPayload = Array<Element>;

export type UpdateApiListsListIdElementsArgs = {list_id: string, results?: boolean | undefined, body: PutMultiElementsPayload};

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

export const rankdbElement = z.object({from_bottom: z.number().int(), from_top: z.number().int(), id: z.number().int().gte(0), list_id: z.string().min(2).max(100), payload: z.record(z.string(), z.unknown()), score: z.number().int().gte(0), tie_breaker: z.number().int().gte(0).lte(4294967295), updated_at: z.string()});

export const rankdbElementCollection = z.array(rankdbElement);

export const rankdbMultielement = z.object({found: rankdbElementCollection, not_found: z.array(z.number().int()).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
};

/**
 * Update Multiple Elements
 * 
 * PUT /lists/{list_id}/elements
 */
export const updateApiListsListIdElements = async (args: UpdateApiListsListIdElementsArgs, options: UpdateApiListsListIdElementsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, jwt} = options ?? {}

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

if (args.results != null) query.append("results", String(args.results))
if (jwt !== undefined) headers.set("Authorization", jwt)

const url = `${baseUrl.replace(/\/+$/, '')}/lists/${encodeURIComponent(String(args.list_id))}/elements${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(rankdbMultielement, await res.json())
};