import {z} from 'zod'

export type GetApiV3BackgroundJobsArgs = {top?: number | undefined, skip?: number | undefined, category?: string | undefined};

export type GetApiV3BackgroundJobsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV3BackgroundJobsResponse = z.object({items: z.array(z.object({jobId: z.string().optional(), status: z.enum(["Scheduled", "Processing", "Done", "Failed", "Expired", "Cancelled", "Unknown"]).optional(), category: z.string().nullable().optional(), startedAt: z.string().optional(), finishedAt: z.string().nullable().optional(), progress: z.number().gte(0).lte(1).nullable().optional()})).optional(), hasMore: z.boolean().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
};

/**
 * List background jobs
 * 
 * GET /v3/background-jobs
 */
export const getApiV3BackgroundJobs = async (args: GetApiV3BackgroundJobsArgs, options?: GetApiV3BackgroundJobsOptions) => {
const {baseUrl = "https://api.reply.io", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.top != null) query.append("top", String(args.top))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.category != null) query.append("category", String(args.category))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/background-jobs${query.size > 0 ? `?${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(getApiV3BackgroundJobsResponse, await res.json())
};