import {z} from 'zod'

export type CollectionSearch = {search_for?: string | undefined, page?: number | undefined, page_size?: number | undefined, limit?: number | undefined, offset?: number | undefined, order_direction?: ('asc' | 'desc') | undefined, institution?: number | undefined, published_since?: string | undefined, modified_since?: string | undefined, group?: number | undefined};

export type CreateApiCollectionsSearchArgs = {'X-Cursor'?: string | undefined, body: CollectionSearch};

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

export const timeline = z.object({firstOnline: z.string().optional(), publisherPublication: z.string().optional(), publisherAcceptance: z.string().optional()});

export const collection = z.object({id: z.number().int(), title: z.string(), doi: z.string(), handle: z.string(), url: z.string(), timeline: timeline, published_date: z.string().optional()});

export const createApiCollectionsSearchResponse = z.array(collection);

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
};

/**
 * Public Collections Search
 * 
 * POST /collections/search
 */
export const createApiCollectionsSearch = async (args: CreateApiCollectionsSearchArgs, options?: CreateApiCollectionsSearchOptions) => {
const {baseUrl = "https://api.figshare.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Cursor'] != null) headers.set("X-Cursor", String(args['X-Cursor']))

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