# frozen_string_literal: true

require 'forwardable'
require 'json'
require 'open3'
require 'pathname'

require_relative 'referator/command'
require_relative 'referator/config'
require_relative 'referator/config/categories'
require_relative 'referator/config/formats'
require_relative 'referator/config/repo'
require_relative 'referator/config/scripts'
require_relative 'referator/footnotes'
require_relative 'referator/note'
require_relative 'referator/reference'
require_relative 'referator/script'

module Referator
  NAME_RE = /\A\w+(_\w+)*\z/
  SLUG_RE = /\A\w+(-\w+)*\z/

  SCRIPT_ENUMS = %i[format template].sort.freeze
  SCRIPT_OBJS = %i[note notes].sort.freeze
  SCRIPT_VARS = [*SCRIPT_ENUMS, *SCRIPT_OBJS].sort.freeze

  def self.validate_name!(name)
    name.freeze
    unless name.instance_of? Symbol
      raise TypeError, "Expected #{Symbol}, got #{name.class}"
    end
    raise 'Invalid name' unless NAME_RE.match? name

    name
  end

  def self.validate_slug!(slug)
    slug.freeze
    unless slug.instance_of? String
      raise TypeError, "Expected #{String}, got #{slug.class}"
    end
    raise 'Invalid slug' unless SLUG_RE.match? slug

    slug
  end

  def self.validate_script_var!(var)
    var.freeze
    unless var.instance_of? Symbol
      raise TypeError, "Expected #{String}, got #{slug.class}"
    end
    raise 'Invalid var' unless SCRIPT_VARS.include? var

    var
  end
end