#!/usr/bin/env node
var args = require('nopt')({
  lang: String,
  debug: Boolean,
  version: Boolean,
  languages: Boolean,
  help: Boolean
}, {
  h: '--help',
  v: '--version',
  l: '--lang'
}, process.argv);

var read = require('../lib/read');
var hicat = require('../index');

if (args.help) {
  console.log([
      'Usage:',
      '    hicat [options] FILE', 
      '    ... | hicat [options]',
      '',
      'Options:',
      '    -h, --help         print usage information',
      '    -v, --version      show version info and exit',
      '    -l, --lang TYPE    use a given language',
      '        --languages    list available languages',
  ].join('\n'));
  process.exit(0);
}

if (args.version) {
  console.log(require('../package.json').version);
  process.exit(0);
}

if (args.debug) {
  process.env.HICAT_DEBUG = true;
}

if (args.languages) {
  console.log(hicat.listLanguages().sort().join("\n"));
  process.exit(0);
}

read.from(args.argv.remain, function (err, files) {
  if (err) throw err;

  for (var fname in files) {
    if (!files.hasOwnProperty(fname)) continue;
    var data = files[fname];
    var output = hicat(data, { filename: fname, lang: args.lang });
    if (process.env.HICAT_DEBUG) {
      console.log({ language: output.language });
    }
    process.stdout.write(output.ansi);
  }
});