require "./cligen/coercable"
require "./cligen/parsable"
require "./cligen/annotations"
require "./cligen/format"
require "./cligen/regex"
require "./cligen/flag"
require "./cligen/command"
require "./cligen/command_node"
require "./cligen/app"

module CliGen
  VERSION = "0.1.0"

  macro override_help_template(filepath)
    {% raise "ERROR : CliGen.override_help_template : File(#{filepath}) doesn't exist" unless file_exists?(filepath) %}
    CliGen::HELP_OVERRIDE_TEMPLATE = {{`readlink -f #{filepath}`.strip.stringify}}
  end

  APPNAME = File.basename(PROGRAM_NAME)

  record AdditionalDefaultFlag,
    short : String,
    long : String,
    description : String,
    work : String -> 

  ADDITIONAL_DEFAULT_FLAGS = [] of AdditionalDefaultFlag

  def self.add_default_flag(short : String = "", long : String = "", description : String = "", &work : String -> )
    raise "ERROR : add_default_flag : You must provide a description" if description.empty?
    ADDITIONAL_DEFAULT_FLAGS << AdditionalDefaultFlag.new(
      short: short,
      long: long,
      description: description,
      work: work
    )
  end

  annotation DefaultFlag
  end
end