"use strict";

const rangeOperators = [">=", "<=", ">", "<", "="];
const styleSearch = require("style-search");

module.exports = function(atRule, cb) {
  if (atRule.name.toLowerCase() !== "media") {
    return;
  }

  const params = atRule.raws.params ? atRule.raws.params.raw : atRule.params;

  styleSearch({ source: params, target: rangeOperators }, match => {
    const before = params[match.startIndex - 1];

    if (before === ">" || before === "<") {
      return;
    }

    cb(match, params, atRule);
  });
};