class JobOffers {
  constructor(employer, position) {
    this.employer = employer;
    this.position = position;
    this.jobCandidates = [];
  }
  jobApplication(candidates) {
    let names = candidates.reduce((acc, line) => {
      let [name, education, yearsExperience] = line.split('-'); yearsExperience = Number(yearsExperience)
      let findName = this.jobCandidates.find(x => x.name === name)
      if (findName) if (findName.yearsExperience < yearsExperience) findName.yearsExperience = yearsExperience;
      if (!findName) acc.push(name), this.jobCandidates.push({ name, education, yearsExperience })
      return acc;
    }, []); return `You successfully added candidates: ${names.join(", ")}.`
  }
  jobOffer(chosenPerson) {
    const [name, minimalExperience] = chosenPerson.split("-");
    const minExperience = Number(minimalExperience);
    for (let jobCandidate of this.jobCandidates) {
      if (jobCandidate.name === name) {
        if (jobCandidate.yearsExperience < minExperience) {
          throw new Error(`${name} does not have enough experience as ${this.position}, minimum requirement is ${minExperience} years.`);
        }
        jobCandidate.yearsExperience = "hired"; return `Welcome aboard, our newest employee is ${name}.`;
      }
    }
    throw new Error(`${name} is not in the candidates list!`);
  }
  salaryBonus(name) {
    const findName = this.jobCandidates.find(x => x.name === name)
    if (!findName) throw new Error(`${name} is not in the candidates list!`);
    const salary = findName.education === "Bachelor" ? "$50,000 per year" : findName.education === "Master" ? "$60,000 per year"
      : "$40,000 per year";
    return `${name} will sign a contract for ${this.employer}, as ${this.position} with a salary of ${salary}!`
  }
  candidatesDatabase() {
    if (this.jobCandidates.length === 0) throw new Error("Candidate Database is empty!");
    let p = `Candidates list:`
    p += this.jobCandidates.sort((a, b) => a.name.localeCompare(b.name))
      .map(c => `\n${c.name}-${c.yearsExperience}`)
    return p;
  }
}