class IvrBlock < ActiveRecord::Base
  belongs_to :ivr
  has_many :ivr_actions, :dependent => :destroy
  has_many :ivr_extensions, :dependent => :destroy  
  before_destroy {|block|
    Extline.delete_all("context = 'ivr_block#{block.id}'")
  }
  
  def regenerate_extlines
    Extline.delete_all("context = 'ivr_block#{self.id}'")
    priority = 1
    context = "ivr_block#{self.id}"
    exten = "s"
    app = "NoOp"
    appdata = "IVR_BLOCK_#{self.id}_REACHED"
    Extline.mcreate(context, priority.to_s, app, appdata, exten, "0")
    priority += 1
    app = "Set"
    Extline.mcreate(context, priority.to_s, app, "TIMEOUT(digit)=#{self.timeout_digits}", exten, "0")
    priority += 1
    Extline.mcreate(context, priority.to_s, app, "TIMEOUT(response)=#{self.timeout_response}", exten, "0")
    for action in self.ivr_actions do
      priority += 1
      case action.name
      when "Delay"
        Extline.mcreate(context, priority.to_s, "Waitexten", action.data1.to_s, exten, "0")
      when "Debug"
        Extline.mcreate(context, priority.to_s, "NoOp", action.data1.to_s, exten, "0")
      when "Playback"
        Extline.mcreate(context, priority.to_s, "Answer", "", exten, "0")
        priority += 1
        # no need to change voice just to playback one file
        #        Extline.mcreate(context, priority.to_s, "Set", "CHANNEL(language)=#{action.data1.to_s}", exten, "0")
        #        priority += 1
        #        Extline.mcreate(context, priority.to_s, "Background", "mor/ivr_voices/${CHANNEL(language)}/"+action.data2.to_s.split(".").first.to_s, exten, "0")
        Extline.mcreate(context, priority.to_s, "Background", "mor/ivr_voices/#{action.data1.to_s}/"+action.data2.to_s.split(".").first.to_s, exten, "0")
      when "Change Voice"
        Extline.mcreate(context, priority.to_s, "Set", "CHANNEL(language)=#{action.data1.to_s}", exten, "0")
      when "Hangup"
        if action.data1 == "Busy"
          Extline.mcreate(context, priority.to_s, "Busy", "10", exten, "0")
        else
          Extline.mcreate(context, priority.to_s, "Congestion", "4", exten, "0")
        end
      when "Transfer To"
        case action.data1.to_s
        when 'IVR'
          Extline.mcreate(context, priority.to_s, "Goto", "ivr_block#{action.data2.to_s}|s|1", exten, "0")
        when 'DID'
          Extline.mcreate(context, priority.to_s, "Goto", "mor|#{action.data2.to_s}|1" , exten, "0")
        when 'Device'
          Extline.mcreate(context,  priority.to_s, "Goto", "mor_local|#{action.data2.to_s}|1" , exten, "0")
        when 'Block'
          Extline.mcreate(context,  priority.to_s, "Goto", "ivr_block#{action.data2.to_s}|s|1" , exten, "0")
        when 'Extension'
          Extline.mcreate(context,  priority.to_s, "Goto", "mor_local|#{action.data2.to_s}|1" , exten, "0")
        else
          Extline.mcreate(context, priority.to_s, "NoOp", "Unknown_Command: #{action.name}_params:_#{action.data1.to_s}|#{action.data2.to_s}", exten, "0")
        end
      when "Set Accountcode"
        Extline.mcreate(context, priority.to_s, "Set", "MOR_ACC=#{action.data1.to_s}", exten, "0")
      when "Mor"
        Extline.mcreate(context, priority.to_s, "mor", "", exten, "0")
      when "Set variable"
        Extline.mcreate(context, priority.to_s, "Set", "#{action.data1.to_s}=#{action.data2.to_s}", exten, "0")
      when "Change CallerID (Number)"
        Extline.mcreate(context, priority.to_s, "Set",  "CALLERID(num)=#{action.data1.to_s}", exten, "0")
      else
        Extline.mcreate(context, priority.to_s, "NoOp", "Unknown_Command: #{action.name}", exten, "0")
      end
    end

    for exten in self.ivr_extensions do
      Extline.mcreate(context, "1", "NoOp", "IVR Block #{self.id}, Extension #{exten.exten} reached", exten.exten, "0")
      Extline.mcreate(context, "2", "Goto", "ivr_block#{exten.goto_ivr_block_id}|s|1", exten.exten.to_s, "0")
    end
  end
  
end