#!/usr/bin/env ruby

begin
  require "yajl/json_gem"
rescue LoadError
  require "json"
end
require "pygments.rb"

def parse_json(input)
  begin
  json_parsed = JSON.parse(input)
  rescue JSON::ParserError
    puts "Error parsing the JSON"
    exit 1
  rescue Yajl::ParseError
    puts input
    exit 1
  end
  json = JSON.pretty_generate(json_parsed)
  puts Pygments.highlight(json, :formatter => 'terminal', :lexer => 'javascript', :options => {:encoding => 'utf-8'})
  exit 0
end

begin
  lines = ARGF.readlines.join
  parse_json lines
rescue Errno::ENOENT
  puts "Error opening the input"
  exit 1
end