=begin
--------------------------------------------------------------------------------

Stop the Vitro application, delete all MySQL tables from the Vitro database, and
start the application again.

--------------------------------------------------------------------------------

Parameters:
  tomcat_stop_command
    A "shell" command that will stop the Tomcat server.
  tomcat_stop_delay
    Number of seconds to wait after the tomcat_stop_command returns before
    proceeding.
  tomcat_start_command
    A "shell" command that will start the Tomcat server.
  tomcat_start_delay
    Number of seconds to wait after the tomcat_start_command returns before
    proceeding.
  mysql_username
    A user account that has authority to drop the Vitro database in MySQL.
  mysql_password
    The password for mysql_username.
  database_name
    The name of the Vitro database in MySQL.

--------------------------------------------------------------------------------
=end

class OutputManager
  # ------------------------------------------------------------------------------------
  private
  # ------------------------------------------------------------------------------------
  #
  # Confirm that the output directory parameter is reasonable.
  #
  def sanity_checks_on_parameters()
    if @output_directory == nil
      raise("Properties file must contain a value for 'output_directory'")
    end

    if !File.exist?(@output_directory)
      raise "Output directory  '#{@output_directory}' does not exist."
    end

    if !File.readable?(@output_directory)
      raise "Output directory  '#{@output_directory}' is not readable."
    end

    if !File.directory?(@output_directory)
      raise "Output directory  '#{@output_directory}' is not a directory."
    end

    if !File.writable?(@output_directory)
      raise "Output directory '#{@output_directory}' is not writable."
    end
  end

  # ------------------------------------------------------------------------------------
  public

  # ------------------------------------------------------------------------------------
  # Set up and get ready to process.
  #
  def initialize(properties)
    @output_directory = properties['output_directory']

    sanity_checks_on_parameters()

    @log_file = File.expand_path("log_file.txt", @output_directory)
    @output_summary_file = File.expand_path("summary.html", @output_directory)
  end

  # Write a message to the log file
  #
  def log(level, message)
    File.open(@log_file, File::CREAT | File::APPEND | File::WRONLY) do |f|
      f.print("#{level} #{message}\n")
    end
  end

  def output_filename(suite_name)
    File.expand_path("#{suite_name}_output.html", @output_directory)
  end

  def summarize()
  end
end