module Smitty

# File lib/smitty/croak.rb, line 3
def self.croak(*messages)
  messages.each { |message| puts "Error: #{message}"}
  exit(1)
end

# File lib/smitty/smtp_connect.rb, line 4
def self.smtp_connect(server, port, ssl, username, password)
  begin
    smtp_server = server.nil? ? 'localhost' : server
    smtp_port = port.nil? ? 25 : port.to_i
    smtp_conn = Net::SMTP.new(smtp_server, smtp_port)
    smtp_conn.enable_starttls() if ssl
    if username
      Smitty.croak('No password provided') if password.nil?
      if ssl
        smtp_conn.start(smtp_server, username, password, :login)
      else
        smtp_conn.start(smtp_server, username, password, :plain)
      end
    else
      smtp_conn.start()
    end
    smtp_conn
  rescue Exception => e
    Smitty.croak("Could not connect to SMTP server #{smtp_server}:#{smtp_port}", e.message)
  end
end

# File lib/smitty/variable_parser.rb, line 2
def self.variable_parser(variable_string, mail_length)
  pairs = variable_string.split('=')
  # content is a file
  begin
    with_content = File.readlines(pairs[1]).map(&:chomp)
    Smitty.croak("#{pairs[0]} != recipient length") if with_content.length != mail_length
  rescue Errno::ENOENT
    with_content = pairs[1]
  rescue
    croak("Could not parse key value pair #{variable_string}")
  end
  {replace_string: pairs[0], with: with_content }
end