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

# base Splash Module
module Splash

  # Config namespace
  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

      # constructor : read config file and map against 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_url] = (config_from_file[:prometheus][:url])? config_from_file[:prometheus][:url] : PROMETHEUS_URL
        self[:prometheus_pushgateway_url] = (config_from_file[:prometheus][:pushgateway])? config_from_file[:prometheus][:pushgateway] : PROMETHEUS_PUSHGATEWAY_URL
        self[:prometheus_alertmanager_url] = (config_from_file[:prometheus][:alertmanager])? config_from_file[:prometheus][:alertmanager] : PROMETHEUS_ALERTMANAGER_URL

        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[:daemon_metrics_scheduling] = (config_from_file[:daemon][:metrics_scheduling])? config_from_file[:daemon][:metrics_scheduling] : DAEMON_METRICS_SCHEDULING
        self[:daemon_procmon_scheduling] = (config_from_file[:daemon][:procmon_scheduling])? config_from_file[:daemon][:procmon_scheduling] : DAEMON_PROCMON_SCHEDULING
        self[:daemon_pid_file] = (config_from_file[:daemon][:files][:pid_file])? config_from_file[:daemon][:files][:pid_file] : DAEMON_PID_FILE
        self[:daemon_stdout_trace] = (config_from_file[:daemon][:files][:stdout_trace])? config_from_file[:daemon][:files][:stdout_trace] : DAEMON_STDOUT_TRACE
        self[:daemon_stderr_trace] = (config_from_file[:daemon][:files][:stderr_trace])? config_from_file[:daemon][:files][:stderr_trace] : DAEMON_STDERR_TRACE


        self[:webadmin_port] = (config_from_file[:webadmin][:port])? config_from_file[:webadmin][:port] : WEBADMIN_PORT
        self[:webadmin_ip] = (config_from_file[:webadmin][:ip])? config_from_file[:webadmin][:ip] : WEBADMIN_IP
        self[:webadmin_proxy] = (config_from_file[:webadmin][:proxy])? config_from_file[:webadmin][:proxy] : WEBADMIN_PROXY
        self[:webadmin_process_name] = (config_from_file[:webadmin][:process_name])? config_from_file[:webadmin][:process_name] : WEBADMIN_PROCESS_NAME
        self[:webadmin_pid_file] = (config_from_file[:webadmin][:files][:pid_file])? config_from_file[:webadmin][:files][:pid_file] : WEBADMIN_PID_FILE
        self[:webadmin_stdout_trace] = (config_from_file[:webadmin][:files][:stdout_trace])? config_from_file[:webadmin][:files][:stdout_trace] : WEBADMIN_STDOUT_TRACE
        self[:webadmin_stderr_trace] = (config_from_file[:webadmin][:files][:stderr_trace])? config_from_file[:webadmin][:files][:stderr_trace] : WEBADMIN_STDERR_TRACE


        self[:pid_path] = (config_from_file[:paths][:pid_path])? config_from_file[:paths][:pid_path] : PID_PATH
        self[:trace_path] = (config_from_file[:paths][:trace_path])? config_from_file[:paths][:trace_path] : TRACE_PATH


        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[: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[:loggers] = {} ; self[:loggers].merge! LOGGERS_STRUCT ; self[:loggers].merge! config_from_file[:loggers] if config_from_file[:loggers]

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

      end

      # @!group accessors on configurations Items

      # getter for full Config Hash
      # @return [Hash]
      def full
        return self
      end

      # getter for loggers Hash Config sample
      # @return [Hash]
      def loggers
        return self[:loggers]
      end

      # getter for backends Hash Config sample
      # @return [Hash]
      def backends
        return self[:backends]
      end

      # getter for transports Hash Config sample
      # @return [Hash]
      def transports
        return self[:transports]
      end

      # getter for transfers Hash Config sample
      # @return [Hash]
      def transfers
        return self[:transfers]
      end

      # getter for daemon_logmon_scheduling Hash Config sample
      # @return [Hash]
      def daemon_logmon_scheduling
        return self[:daemon_logmon_scheduling]
      end

      # getter for daemon_procmon_scheduling Hash Config sample
      # @return [Hash]
      def daemon_procmon_scheduling
        return self[:daemon_procmon_scheduling]
      end

      # getter for daemon_metrics_scheduling Hash Config sample
      # @return [Hash]
      def daemon_metrics_scheduling
        return self[:daemon_metrics_scheduling]
      end

      # getter for daemon_process_name Config sample
      # @return [String]
      def daemon_process_name
        return self[:daemon_process_name]
      end


      # getter for daemon_full_pid_path Config sample
      # @return [String]
      def daemon_full_pid_path
        return "#{self[:pid_path]}/#{self[:daemon_pid_file]}"
      end

      # getter for daemon_full_stdout_trace_path Config sample
      # @return [String]
      def daemon_full_stdout_trace_path
        return "#{self[:trace_path]}/#{self[:daemon_stdout_trace]}"
      end

      # getter for daemon_full_stderr_trace_path Config sample
      # @return [String]
      def daemon_full_stderr_trace_path
        return "#{self[:trace_path]}/#{self[:daemon_stderr_trace]}"
      end

      # getter for execution_template_path Hash Config sample
      # @return [String]
      def execution_template_path
        return self[:execution_template_path]
      end

      # getter for execution_template_tokens Hash Config sample
      # @return [Array]
      def execution_template_tokens
        return self[:execution_template_tokens]
      end


      # getter for webadmin_port Hash Config sample
      # @return [Fixnum]
      def webadmin_port
        return self[:webadmin_port]
      end

      # getter for webadmin_ip Hash Config sample
      # @return [String]
      def webadmin_ip
        return self[:webadmin_ip]
      end

      # getter for webadmin_proxy Hash Config sample
      # @return [TrueClass|FalseClass]
      def webadmin_proxy
        return self[:webadmin_proxy]
      end

      # getter for webadmin_process_name Config sample
      # @return [String]
      def webadmin_process_name
        return self[:webadmin_process_name]
      end

      # getter for webadmin_full_pid_path Config sample
      # @return [String]
      def webadmin_full_pid_path
        return "#{self[:pid_path]}/#{self[:webadmin_pid_file]}"
      end

      # getter for webadmin_full_stdout_trace_path Config sample
      # @return [String]
      def webadmin_full_stdout_trace_path
        return "#{self[:trace_path]}/#{self[:webadmin_stdout_trace]}"
      end

      # getter for webadmin_full_stderr_trace_path Config sample
      # @return [String]
      def webadmin_full_stderr_trace_path
        return "#{self[:trace_path]}/#{self[:webadmin_stderr_trace]}"
      end




      # getter for logs Hash Config sample
      # @return [Hash]
      def logs
        return self[:logs]
      end

      # getter for commands Hash Config sample
      # @return [Hash]
      def commands
        return self[:commands]
      end

      # getter for processes Hash Config sample
      # @return [Hash]
      def processes
        return self[:processes]
      end

      # getter for sequences Hash Config sample
      # @return [Hash]
      def sequences
        return self[:sequences]
      end

      # getter for author Config sample
      # @return [String]
      def author
        return self[:author]
      end

      # getter for copyright Config sample
      # @return [String]
      def copyright
        return self[:copyright]
      end

      # getter for version Config sample
      # @return [String]
      def version
        return self[:version]
      end





      # getter for prometheus_pushgateway_url Config sample
      # @return [String]
      def prometheus_pushgateway_url
        return self[:prometheus_pushgateway_url]
      end

      # getter for prometheus_alertmanager_url Config sample
      # @return [String]
      def prometheus_alertmanager_url
        return self[:prometheus_alertmanager_url]
      end


      # getter for prometheus_url Config sample
      # @return [String]
      def prometheus_url
        return self[:prometheus_url]
      end

      # @!endgroup

      private

      # read config file
      # @param [String] file default from CONFIG_FILE
      # @return [Hash] The config global Hash from YAML
      def readconf(file = CONFIG_FILE)
        return YAML.load_file(file)[:splash]
      end


    end



    @@config=nil

    # 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 @@config ||= Configuration::new(config_file)
    end

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


  end
end