import { addFormatToken } from '../format/format';
import { unix } from '../utils/date-getters';
import { addRegexToken, matchSigned, matchTimestamp } from '../parse/regex';
import { addParseToken} from '../parse/token';
import { toInt } from '../utils/type-checks';
import { DateArray } from '../types';
import { DateParsingConfig } from '../create/parsing.types';


export function initTimestamp() {
// FORMATTING

  addFormatToken('X', null, null, function(date: Date): string {
    return unix(date)
      .toString(10);
  });
  addFormatToken('x', null, null, function(date: Date): string {
    return date.valueOf()
      .toString(10);
  });

// PARSING

  addRegexToken('x', matchSigned);
  addRegexToken('X', matchTimestamp);

  addParseToken('X', function(input: string, array: DateArray, config: DateParsingConfig): DateParsingConfig {
    config._d = new Date(parseFloat(input) * 1000);

    return config;
  });
  addParseToken('x', function(input: string, array: DateArray, config: DateParsingConfig): DateParsingConfig {
    config._d = new Date(toInt(input));

    return config;
  });
}