import {z} from 'zod'

export type GetApiThumbnailsDDidWvWvidEEidArgs = {did: string, linkDocumentId?: string | undefined, wv: 'w' | 'v', wvid: string, eid: string};

export type GetApiThumbnailsDDidWvWvidEEidOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const bTThumbnailSizeInfo = z.object({href: z.string().optional(), mediaType: z.string().optional(), renderMode: z.string().optional(), sheetName: z.string().optional(), size: z.string().optional(), uniqueId: z.string().optional(), viewOrientation: z.string().optional()});

export const bTThumbnailInfo = z.object({href: z.string().optional(), id: z.string().optional(), secondarySizes: z.array(z.array(bTThumbnailSizeInfo)).optional(), sizes: z.array(bTThumbnailSizeInfo).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
};

/**
 * Get the thumbnail info structure for an element.
 * 
 * GET /thumbnails/d/{did}/{wv}/{wvid}/e/{eid}
 */
export const getApiThumbnailsDDidWvWvidEEid = async (args: GetApiThumbnailsDDidWvWvidEEidArgs, options?: GetApiThumbnailsDDidWvWvidEEidOptions) => {
const {baseUrl = "https://api.onshape.com/api/v17", fetch: fetchFn = fetch, OAuth2, BasicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;charset=UTF-8; qs=0.09")

if (args.linkDocumentId != null) query.append("linkDocumentId", String(args.linkDocumentId))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/thumbnails/d/${encodeURIComponent(String(args.did))}/${encodeURIComponent(String(args.wv))}/${encodeURIComponent(String(args.wvid))}/e/${encodeURIComponent(String(args.eid))}${query.size > 0 ? `?${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(bTThumbnailInfo, await res.json())
};