import { join } from 'path';
import * as t from 'io-ts';
import { rpcCreateModelVersionArg0Codec } from '@alwaysai/cloud-api';
import { ConfigFile } from '@alwaysai/config-nodejs';
import { CLI_TERSE_ERROR } from '@alwaysai/alwayscli';
import { MODEL_JSON_FILE_NAME } from './model-package-json-file';

const ENOENT = {
  message: `Please check that "${MODEL_JSON_FILE_NAME}" exists and contains the correct model and user information`,
  code: CLI_TERSE_ERROR
};

export type ModelJson = t.TypeOf<typeof rpcCreateModelVersionArg0Codec>;

export function ModelJsonFile(dir: string) {
  const path = join(dir, MODEL_JSON_FILE_NAME);
  const configFile = ConfigFile({
    path,
    codec: rpcCreateModelVersionArg0Codec,
    ENOENT
  });
  return configFile;
}