"use strict";

const _ = require("lodash");

const unixFormatter = results => {
  const lines = _.flatMap(results, result =>
    _.map(
      result.warnings,
      warning =>
        `${result.source}:${warning.line}:${warning.column}: ` +
        `${warning.text} [${warning.severity}]\n`
    )
  );
  const total = lines.length;
  let output = lines.join("");

  if (total > 0) {
    output += `\n${total} problem${total !== 1 ? "s" : ""}\n`;
  }

  return output;
};

module.exports = unixFormatter;