var fs = require( 'graceful-fs' );
  var write = require( 'write' );
  var circularJson = require( 'circular-json' );
  
  module.exports = {
  
    tryParse: function ( filePath, defaultValue) {
      var result;
      try {
        result = this.readJSON( filePath );
      } catch (ex) {
        result = defaultValue;
      }
      return result;
    },
  
    /**
     * Read json file synchronously using circular-json
     *
     * @method readJSON
     * @param  {String} filePath Json filepath
     * @returns {*} parse result
     */
    readJSON: function ( filePath ) {
      return circularJson.parse( fs.readFileSync( filePath ).toString() );
    },
  
    /**
     * Write json file synchronously using circular-json
     *
     * @method writeJSON
     * @param  {String} filePath Json filepath
     * @param  {*} data Object to serialize
     */
    writeJSON: function (filePath, data ) {
      write.sync( filePath, circularJson.stringify( data ) );
    }
  
  };