import {z} from 'zod'

export type GetApiJobsArgs = {after_id?: string | undefined, reference?: string | undefined, state?: string | undefined, limit?: number | undefined};

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

export const jobOperationType = z.enum(["upsert", "delete", "export", "multi-file-export"]);

export const jobEntryStateType = z.enum(["received", "queued", "processing", "failed", "completed", "canceled"]);

export const jobType = z.enum(["import", "export", "multi-file"]);

export const jobEntry = z.object({id: z.string().nullable().optional(), reference: z.string().nullable().optional(), created_at_timestamp: z.string().optional(), state_updated_at_timestamp: z.string().optional(), entity: z.string().nullable().optional(), operation: jobOperationType.optional(), state: jobEntryStateType.optional(), number_of_rows: z.number().int().nullable().optional(), number_of_successful_rows: z.number().int().nullable().optional(), number_of_failed_rows: z.number().int().nullable().optional(), file_format: z.string().nullable().optional(), type: jobType.optional()});

export const getApiJobsResponse = z.array(jobEntry);

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 jobs based on job state, id or name reference.
 * 
 * GET /jobs
 */
export const getApiJobs = async (args: GetApiJobsArgs, options: GetApiJobsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.after_id != null) query.append("after_id", String(args.after_id))
if (args.reference != null) query.append("reference", String(args.reference))
if (args.state != null) query.append("state", String(args.state))
if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/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(getApiJobsResponse, await res.json())
};