module Btspm
  class AppStartup

    def initialize(config_file_path:, environment:)
      @config_path = config_file_path
      @env = environment
    end

    def establish_env_variables_hash
      Rails.logger.info '***** Loading Environment Specific Properties *****'
      Rails.logger.info "config_file_path=#{config_path}"
      env_yaml_path = Rails.root.join(config_path) # The path to the .yml file
      env_yaml = ERB.new(env_yaml_path.read).result # Read the file and evaluate the ERB
      full_hash = YAML.load(env_yaml) # Parse the resulting YAML
      env_hash = full_hash[env]
      Rails.logger.info "ENV_PROPS has been loaded for Rails.env=#{env}"
      env_hash
    end

    private

    attr_reader :config_path, :env

  end
end