const readFile = require("fs").readFileSync;
const parseScenario = require("./scenarioBuilder").parseScenario;

const CASE_DELIM = "#";
const SPECIAL_TIMEOUT = "wait";

function parser() {
  const rawData = readFile("sample", "utf8");
  const lines = rawData.split("\n");
  const allScenarios = [];

  let scenario = [];

  for (var line = 0; line < lines.length; line++) {
    const lineData = lines[line].split(" ");

    var scenarioPhone;

    if (lineData[0] === CASE_DELIM) {
      scenarioPhone = lineData[1];

      if (line > 0) {
        allScenarios.push(scenario);
        scenario = [];
      }
    } else if (lineData[0] === SPECIAL_TIMEOUT) {
      scenario.push([
        {
          input: false,
          timeout: true,
          duration: lineData[1] * 1000,
        },
      ]);
    } else {
      scenario.push(parseScenario(scenarioPhone, lines[line]));
    }
  }

  return allScenarios;
}

module.exports = { parser };