import {z} from 'zod'

export type GetApiV1DatasetsUploadsUploadIdArgs = {upload_id: string, ai_project_id?: (string | null) | undefined};

export type GetApiV1DatasetsUploadsUploadIdOptions = {baseUrl?: string | undefined, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const uploadStatus = z.enum(["PENDING", "COMPLETING", "COMPLETED", "FAILED", "CANCELLED"]);

export const schemaPrimitiveType = z.enum(["string", "integer", "boolean", "float", "double", "json", "null"]);

export const schemaPrimitive = z.object({name: schemaPrimitiveType});

export const schemaOptionType = z.literal("option");

export const schemaOptionOutput: z.ZodType<SchemaOptionOutput> = z.object({name: schemaOptionType, item: z.union([schemaPrimitive, z.lazy(() => schemaOptionOutput)])});

export const columnSchemaOutput = z.object({name: z.string(), type: z.union([schemaPrimitive, schemaOptionOutput])});

export const uploadDatasetInfoResponse = z.object({id: z.string().nullable().optional(), name: z.string(), schema: z.array(columnSchemaOutput), folder: z.string()});

export const uploadInfoResponse = z.object({status: uploadStatus, dataset: uploadDatasetInfoResponse, error: z.string().nullable().optional(), created_at: z.number().int(), completed_at: z.number().int().nullable().optional(), ai_project_id: z.string().nullable().optional()});

export const uploadResponse = z.object({id: z.string(), upload_info: uploadInfoResponse});

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 information about a multipart upload
 * 
 * GET /v1/datasets/uploads/{upload_id}
 */
export const getApiV1DatasetsUploadsUploadId = async (args: GetApiV1DatasetsUploadsUploadIdArgs, options?: GetApiV1DatasetsUploadsUploadIdOptions) => {
const {baseUrl = "https://api.tokenfactory.nebius.com", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.ai_project_id != null) query.append("ai_project_id", String(args.ai_project_id))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/datasets/uploads/${encodeURIComponent(String(args.upload_id))}${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(uploadResponse, await res.json())
};