import {z} from 'zod'

export type DeploymentArchivePayloadV1 = {config: {[key: string]: unknown}, raw_config?: (string | null) | undefined, user_env?: ({[key: string]: unknown} | null) | undefined, environment_name?: (string | null) | undefined, preserve_env_instance_type?: boolean | undefined, deploy_timeout_minutes?: (number | null) | undefined, deployment_name?: (string | null) | undefined, labels?: ({[key: string]: unknown} | null) | undefined, is_development?: boolean | undefined};

export type PrepareModelUploadRequestV1 = {deployment: DeploymentArchivePayloadV1, name?: (string | null) | undefined, team_id?: (string | null) | undefined, model_id?: (string | null) | undefined, dry_run?: boolean | undefined};

export type CreateApiV1PrepareModelUploadArgs = {body: PrepareModelUploadRequestV1};

export type CreateApiV1PrepareModelUploadOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const aWSCredentialsV1 = z.object({aws_access_key_id: z.string(), aws_secret_access_key: z.string(), aws_session_token: z.string()});

export const prepareModelUploadResponseV1 = z.object({creds: aWSCredentialsV1.nullable().optional(), s3_bucket: z.string().nullable().optional(), s3_key: z.string().nullable().optional(), s3_region: z.string().nullable().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
};

/**
 * Validates a model push payload and issues upload credentials
 * 
 * POST /v1/prepare_model_upload
 */
export const createApiV1PrepareModelUpload = async (args: CreateApiV1PrepareModelUploadArgs, options: CreateApiV1PrepareModelUploadOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/prepare_model_upload${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return validateResponse(prepareModelUploadResponseV1, await res.json())
};