#!/usr/bin/env node

var sys = require("sys");
var fs = require("fs");
var parser = require("./jsonlint").parser;
var options = require("nomnom")
  .scriptName("jsonlint")
  .opts({
    file: {
      position: 0,
      help: "file to parse; otherwise uses stdin"
    },
    version: {
      string: '-v, --version',
      help: 'print version and exit',
      callback: function() {
        return JSON.parse(fs.readFileSync(__dirname + "/../package.json", "utf8")).version;
      }
    },
    inplace : {
      string: '-i, --in-place',
      help: 'overwrite the file'
    },
    indent : {
      string: '-t CHAR, --indent CHAR',
      default: "  ",
      help: 'character(s) to use for indentation'
    }
  })
  .parseArgs();


function parse (source) {
  try {
    return JSON.stringify(parser.parse(source),null,options.indent);
  } catch (e) {
    sys.puts(e);
    process.exit(1);
  }
}

function main (args) {
  var source = '';
  if (options.file) {
    var path = require('path').join(process.cwd(), options.file); 
    source = fs.readFileSync(path, "utf8");
    if (options.inplace) {
      fs.writeSync(fs.openSync(path,'w+'), parse(source), 0, "utf8");
    } else {
      sys.pupts(parse(source));
    }
  } else {
    var stdin = process.openStdin();
    stdin.setEncoding('utf8');

    stdin.on('data', function (chunk) {
      source += chunk.toString('utf8');
    });
    stdin.on('end', function () {
      sys.puts(parse(source));
    });
  }
}

main(process.argv.slice(1));