#!/usr/bin/env ruby

$:.insert(0, 'lib')

require 'thor'
require 'rly'
require 'pry'
require 'namarara'
require 'pp'
require 'logger'

module Namarara
  class ParseCli < Thor
    desc 'parse OPTIONS INFILE VARS', 'Parse INFILE into tokens and evaluate VARS'
    method_option :logfile, :type => :string, :aliases => '-l', :default => '-', :desc => "Logger with logfile"
    def parse(infile, *vars)
      unless options[:logfile].eql? '-'
        logger = Logger.new("#{options[:logfile]}.log")
      else
        logger = Logger.new(STDOUT)
      end
      line = File.read(infile).gsub(/\n/,'')
      lexer = Lexer.new(logger)
      parser = Parser.new(lexer)
      tab_vars = {}
      vars.each do |var|
        tab_vars[var.split('=')[0]] = var.split('=')[1]
      end

      # Give vars name and value from shell command to parser
      parser.names=tab_vars

      token = parser.parse(line.chomp, true)
      pp token
      puts "RAW : #{line}"
      puts "EVAL: #{token.to_s}"
      parser.check_grammar line, token
      exit 1 unless !token.nil? && token.errors.empty?

      puts "RESULT: #{token.compute}"

    end
  end
end

Namarara::ParseCli.start(ARGV)