class ECMS < NECB2011

  @template = self.new.class.name
  register_standard(@template)

  # Combine the data from the JSON files into a single hash
  # Load JSON files differently depending on whether loading from
  # the OpenStudio CLI embedded filesystem or from typical gem installation
  def load_standards_database_new()
    @standards_data = {}
    @standards_data["tables"] = {}

    if __dir__[0] == ':' # Running from OpenStudio CLI
      embedded_files_relative('data/', /.*\.json/).each do |file|
        data = JSON.parse(EmbeddedScripting.getFileAsString(file))
        if not data["tables"].nil? and data["tables"].first["data_type"] == "table"
          @standards_data["tables"] << data["tables"].first
        else
          @standards_data[data.keys.first] = data[data.keys.first]
        end
      end
    else
      files = Dir.glob("#{File.dirname(__FILE__)}/data/*.json").select { |e| File.file? e }
      files.each do |file|
        data = JSON.parse(File.read(file))
        if not data["tables"].nil?
          @standards_data["tables"] = [*@standards_data["tables"], *data["tables"]].to_h
        else
          @standards_data[data.keys.first] = data[data.keys.first]
        end
      end
    end

    return @standards_data
  end

  def initialize
    super()
    @template = self.class.name
    @standards_data = self.load_standards_database_new()
    @standards_data['curves'] = standards_data['tables']["curves"]['table']
  end

  def apply_system_ecm(model:, ecm_system_name: nil, template_standard:, runner: nil, primary_heating_fuel: nil)
    # Do nothing if nil or other usual suspects.. covering all bases for now.
    return if ecm_system_name.nil? || ecm_system_name == 'none' || ecm_system_name == 'NECB_Default'

    ecm_std = Standard.build("ECMS")
    systems = model.getAirLoopHVACs
    map_system_to_zones, system_doas_flags = ecm_std.get_map_systems_to_zones(systems)
    zone_clg_eqpt_type = ecm_std.get_zone_clg_eqpt_type(model)
    # when the ecm is associated with adding a new HVAC system, then remove existing system components and loops
    ecm_add_method_name = "add_ecm_#{ecm_system_name.downcase}"

    raise("the method #{ecm_add_method_name} does not exist in the ECM class. Please verify that this should be called.") unless ecm_std.respond_to? ecm_add_method_name

    ecm_std.remove_all_zone_eqpt(systems)
    ecm_std.remove_air_loops(model)
    ecm_std.remove_hw_loops(model)
    ecm_std.remove_chw_loops(model)
    ecm_std.remove_cw_loops(model)

    # Rather than go through every add_ecm class to add 'the primary_heating_fuel' argument I added this statement to
    # only include it when it is used (for now in the add_ecm_remove_airloops_add_zone_baseboards method).
    unless (ecm_add_method_name == "add_ecm_remove_airloops_add_zone_baseboards")
      ecm_std.send(ecm_add_method_name,
                   model: model,
                   system_zones_map: map_system_to_zones,
                   system_doas_flags: system_doas_flags,
                   zone_clg_eqpt_type: zone_clg_eqpt_type,
                   standard: template_standard)
    else
      ecm_std.send(ecm_add_method_name,
                   model: model,
                   system_zones_map: map_system_to_zones,
                   system_doas_flags: system_doas_flags,
                   zone_clg_eqpt_type: zone_clg_eqpt_type,
                   standard: template_standard,
                   primary_heating_fuel: primary_heating_fuel)
    end
    #ecm_std.add_ecm_hs09_ccashpsys(model:model,system_zones_map:,system_doas_flags:,zone_clg_eqpt_type: nil,standard:,baseboard_flag: true)

  end

  def apply_system_efficiencies_ecm(model:, ecm_system_name: nil)
    # Do nothing if nil.
    return if ecm_system_name.nil? || ecm_system_name == 'none' || ecm_system_name == 'NECB_Default' || ecm_system_name.to_s.downcase == 'remove_airloops_add_zone_baseboards'
    ecm_std = Standard.build("ECMS")
    # Get method name that should be present in the ECM class.
    ecm_apply_eff_method_name = "apply_efficiency_ecm_#{ecm_system_name.downcase}"
    # Raise exception if method does not exists.
    raise("the method #{ecm_apply_eff_method_name} does not exist in the ECM class. Please verify that this should be called.") unless ecm_std.respond_to?(ecm_apply_eff_method_name)

    # apply system eff method.
    ecm_std.send(ecm_apply_eff_method_name, model: model, ecm_name: ecm_system_name)
  end



end