# coding: utf-8
Dir[File.dirname(__FILE__) + '/config/*.rb'].each {|file| require file  }

module Splash
  module Config
    include Splash::Helpers
    include Splash::Constants
    include Splash::ConfigUtilities


    # Class to manage configuration in Splash from Splash::Constants override by Yaml CONFIG
    class Configuration < Hash
      include Splash::Constants

      def initialize(config_file=CONFIG_FILE)
        config_from_file = readconf config_file
        self[:version] = VERSION
        self[:author] = "#{AUTHOR} <#{EMAIL}>"
        self[:copyright] = "#{COPYRIGHT} #{LICENSE}"
        self[:prometheus_pushgateway_host] = (config_from_file[:prometheus][:pushgateway][:host])? config_from_file[:prometheus][:pushgateway][:host] : PROMETHEUS_PUSHGATEWAY_HOST
        self[:prometheus_pushgateway_port] = (config_from_file[:prometheus][:pushgateway][:port])? config_from_file[:prometheus][:pushgateway][:port] : PROMETHEUS_PUSHGATEWAY_PORT
        self[:daemon_process_name] = (config_from_file[:daemon][:process_name])? config_from_file[:daemon][:process_name] : DAEMON_PROCESS_NAME
        self[:daemon_logmon_scheduling] = (config_from_file[:daemon][:logmon_scheduling])? config_from_file[:daemon][:logmon_scheduling] : DAEMON_LOGMON_SCHEDULING
        self[:execution_template_tokens] = EXECUTION_TEMPLATE_TOKENS_LIST
        self[:execution_template_path] = (config_from_file[:templates][:execution][:path])? config_from_file[:templates][:execution][:path] : EXECUTION_TEMPLATE
        self[:pid_path] = (config_from_file[:daemon][:paths][:pid_path])? config_from_file[:daemon][:paths][:pid_path] : DAEMON_PID_PATH
        self[:trace_path] = (config_from_file[:daemon][:paths][:trace_path])? config_from_file[:daemon][:paths][:trace_path] : TRACE_PATH
        self[:pid_file] = (config_from_file[:daemon][:files][:pid_file])? config_from_file[:daemon][:files][:pid_file] : DAEMON_PID_FILE
        self[:stdout_trace] = (config_from_file[:daemon][:files][:stdout_trace])? config_from_file[:daemon][:files][:stdout_trace] : DAEMON_STDOUT_TRACE
        self[:stderr_trace] = (config_from_file[:daemon][:files][:stderr_trace])? config_from_file[:daemon][:files][:stderr_trace] : DAEMON_STDERR_TRACE

        self[:transports] = {} ; self[:transports].merge! TRANSPORTS_STRUCT ; self[:transports].merge! config_from_file[:transports] if config_from_file[:transports]
        self[:backends] = {} ; self[:backends].merge! BACKENDS_STRUCT ; self[:backends].merge! config_from_file[:backends] if config_from_file[:backends]

        self[:logs] = (config_from_file[:logs])? config_from_file[:logs] : {}
        self[:commands] = (config_from_file[:commands])? config_from_file[:commands] : {}

      end

      # @!group accessors on configurations Items


      def backends
        return self[:backends]
      end

      def transports
        return self[:transports]
      end

      def daemon_logmon_scheduling
        return self[:daemon_logmon_scheduling]
      end

      def execution_template_path
        return self[:execution_template_path]
      end
      def execution_template_tokens
        return self[:execution_template_tokens]
      end
      def logs
        return self[:logs]
      end

      def commands
        return self[:commands]
      end

      def author
        return self[:author]
      end

      def copyright
        return self[:copyright]
      end

      def version
        return self[:version]
      end

      def daemon_process_name
        return self[:daemon_process_name]
      end

      def prometheus_pushgateway_host
        return self[:prometheus_pushgateway_host]
      end
      def prometheus_pushgateway_port
        return self[:prometheus_pushgateway_port]
      end

      def full_pid_path
        return "#{self[:pid_path]}/#{self[:pid_file]}"
      end

      def full_stdout_trace_path
        return "#{self[:trace_path]}/#{self[:stdout_trace]}"
      end

      def full_stderr_trace_path
        return "#{self[:trace_path]}/#{self[:stderr_trace]}"
      end

      # @!endgroup

      private
      def readconf(file = CONFIG_FILE)
        return YAML.load_file(file)[:splash]
      end


    end

    # factory of Configuration Class instance
    # @param [String] config_file the path of the YAML Config file
    # @return [SPlash::Config::Configuration]
    def get_config(config_file=CONFIG_FILE)
      return Configuration::new config_file
    end




  end
end