# frozen_string_literal: true

module Ridgepole
  class DSLParser
    def initialize(options = {})
      @options = options
    end

    def parse(dsl, opts = {})
      definition, execute = Context.eval(dsl, opts)
      check_orphan_index(definition)
      check_orphan_foreign_key(definition)
      [definition, execute]
    end

    private

    def check_orphan_index(definition)
      definition.each do |table_name, attrs|
        raise "Table `#{table_name}` to create the index is not defined: #{attrs[:indices].keys.join(',')}" if attrs[:indices] && !(attrs[:definition])
      end
    end

    def check_orphan_foreign_key(definition)
      definition.each do |table_name, attrs|
        raise "Table `#{table_name}` to create the foreign key is not defined: #{attrs[:foreign_keys].keys.join(',')}" if attrs[:foreign_keys] && !(attrs[:definition])
      end
    end
  end
end