import { stringifier } from './api/index.js';
import { normalize_options } from './api/normalize_options.js';

const stringify = function(records, opts={}){
  const data = [];
  const [err, options] = normalize_options(opts);
  if(err !== undefined) throw err;
  const state = {
    stop: false
  };
  // Information
  const info = {
    records: 0
  };
  const api = stringifier(options, state, info);
  for(const record of records){
    const err = api.__transform(record, function(record){
      data.push(record);
    });
    if(err !== undefined) throw err;
  }
  if(data.length === 0){
    api.bom((d) => {
      data.push(d);
    });
    const err = api.headers((headers) => {
      data.push(headers);
    });
    if(err !== undefined) throw err;
  }
  return data.join('');
};

export { stringify };