import {z} from 'zod'

export type GetApiApiCrawlIdArgs = {id: string, page?: number | undefined, batchSize?: number | undefined};

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

export const jobStatus = z.enum(["pending", "running", "completed", "failed", "stopped"]);

export const crawledPage = z.object({url: z.string(), status: z.enum(["completed", "failed"]), error: z.string().nullable().optional(), metadata: z.record(z.string(), z.union([z.string(), z.array(z.string())])).optional(), markdown: z.string().optional(), html: z.string().optional(), links: z.array(z.string()).optional(), screenshot: z.string().optional()});

export const getApiApiCrawlIdResponse = z.object({jobId: z.string(), status: jobStatus, error: z.string().nullable().optional(), totalCrawledPages: z.number().int().gte(0).optional(), totalPageBatches: z.number().int().gte(0).optional(), currentPageBatch: z.number().int().gte(0).optional(), batchSize: z.number().int().gte(1).optional(), data: z.array(crawledPage).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 crawl job status and results
 * 
 * GET /api/crawl/{id}
 */
export const getApiApiCrawlId = async (args: GetApiApiCrawlIdArgs, options?: GetApiApiCrawlIdOptions) => {
const {baseUrl = "https://api.hyperbrowser.ai", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.batchSize != null) query.append("batchSize", String(args.batchSize))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/crawl/${encodeURIComponent(String(args.id))}${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(getApiApiCrawlIdResponse, await res.json())
};