import {z} from 'zod'

export type CreateApiDocDigitizationJobV1JobIdStartArgs = {job_id: string, 'api-subscription-key': string};

export type CreateApiDocDigitizationJobV1JobIdStartOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const docDigitizationJobState = z.enum(["Accepted", "Pending", "Running", "Completed", "PartiallyCompleted", "Failed"]);

export const storageContainerType = z.enum(["Azure", "Local", "Google", "Azure_V1"]);

export const taskFileDetails = z.object({file_name: z.string(), file_id: z.string()});

export const docDigitizationJobDetailState = z.enum(["Pending", "Running", "Success", "PartialSuccess", "Failed"]);

export const docDigitizationPageError = z.object({page_number: z.number().int(), error_code: z.string(), error_message: z.string()});

export const docDigitizationJobDetail = z.object({inputs: z.array(taskFileDetails), outputs: z.array(taskFileDetails), state: docDigitizationJobDetailState, total_pages: z.number().int().optional(), pages_processed: z.number().int().optional(), pages_succeeded: z.number().int().optional(), pages_failed: z.number().int().optional(), error_message: z.string().optional(), error_code: z.string().nullable().optional(), page_errors: z.array(docDigitizationPageError).optional()});

export const docDigitizationJobStatusResponse = z.object({job_id: z.string(), job_state: docDigitizationJobState, created_at: z.string(), updated_at: z.string(), storage_container_type: storageContainerType, total_files: z.number().int().optional(), successful_files_count: z.number().int().optional(), failed_files_count: z.number().int().optional(), error_message: z.string().optional(), job_details: z.array(docDigitizationJobDetail).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
};

/**
 * Start Document Intelligence Job
 * 
 * POST /doc-digitization/job/v1/{job_id}/start
 */
export const createApiDocDigitizationJobV1JobIdStart = async (args: CreateApiDocDigitizationJobV1JobIdStartArgs, options?: CreateApiDocDigitizationJobV1JobIdStartOptions) => {
const {baseUrl = "https://api.sarvam.ai", fetch: fetchFn = fetch} = options ?? {}

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

if (args['api-subscription-key'] != null) headers.set("api-subscription-key", String(args['api-subscription-key']))

const url = `${baseUrl.replace(/\/+$/, '')}/doc-digitization/job/v1/${encodeURIComponent(String(args.job_id))}/start${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(docDigitizationJobStatusResponse, await res.json())
};