# In this file we define the methods to help filter out candidates
# This way, we keep these methods separated from other potential parts of the program

def find(id)
  @candidates.each do |candidate|
    if candidate[:id] == id
      return candidate
    end
  end
  return nil
end

def experienced?(candidate)
  if candidate[:years_of_experience] >= 2
    return true
  else
    return false
  end

end

def qualified_candidates(candidates)
  qualifiedCandidates = []
  candidates.each do |candidate|
    todaysJDate = DateTime.parse(Time.now.to_s).jd
    appliedJDate = candidate[:date_applied].jd
    daysElapsed = todaysJDate - appliedJDate
    if experienced?(candidate) &&
      candidate[:github_points] >= 100 &&
      candidate[:languages].include?('Python') &&
      candidate[:languages].include?('Ruby') &&
      daysElapsed <= 15 &&
      candidate[:age] > 17
      then
      qualifiedCandidates.push(candidate)
    end
  end
  return qualifiedCandidates
end

def sortByExperience(candidates)
  return candidates.sort_by {|candidate| [-candidate[:years_of_experience], -candidate[:github_points]] }
end