// Generated by CoffeeScript 1.4.0
(function() {
  var balUtilCompare, balUtilPaths;

  balUtilCompare = null;

  balUtilPaths = require(__dirname + '/paths');

  balUtilCompare = {
    versionCompare: function(v1, operator, v2) {
      var compare, i, numVersion, prepVersion, result, vm, x, _i;
      i = x = compare = 0;
      vm = {
        'dev': -6,
        'alpha': -5,
        'a': -5,
        'beta': -4,
        'b': -4,
        'RC': -3,
        'rc': -3,
        '#': -2,
        'p': -1,
        'pl': -1
      };
      prepVersion = function(v) {
        v = ('' + v).replace(/[_\-+]/g, '.');
        v = v.replace(/([^.\d]+)/g, '.$1.').replace(/\.{2,}/g, '.');
        if (!v.length) {
          return [-8];
        } else {
          return v.split('.');
        }
      };
      numVersion = function(v) {
        if (!v) {
          return 0;
        } else {
          if (isNaN(v)) {
            return vm[v] || -7;
          } else {
            return parseInt(v, 10);
          }
        }
      };
      v1 = prepVersion(v1);
      v2 = prepVersion(v2);
      x = Math.max(v1.length, v2.length);
      for (i = _i = 0; 0 <= x ? _i <= x : _i >= x; i = 0 <= x ? ++_i : --_i) {
        if (v1[i] === v2[i]) {
          continue;
        }
        v1[i] = numVersion(v1[i]);
        v2[i] = numVersion(v2[i]);
        if (v1[i] < v2[i]) {
          compare = -1;
          break;
        } else if (v1[i] > v2[i]) {
          compare = 1;
          break;
        }
      }
      if (!operator) {
        return compare;
      }
      result = (function() {
        switch (operator) {
          case '>':
          case 'gt':
            return compare > 0;
          case '>=':
          case 'ge':
            return compare >= 0;
          case '<=':
          case 'le':
            return compare <= 0;
          case '==':
          case '=':
          case 'eq':
          case 'is':
            return compare === 0;
          case '<>':
          case '!=':
          case 'ne':
          case 'isnt':
            return compare !== 0;
          case '':
          case '<':
          case 'lt':
            return compare < 0;
          default:
            return null;
        }
      })();
      return result;
    },
    packageCompare: function(_arg) {
      var details, errorCallback, local, newVersionCallback, oldVersionCallback, remote, runCompare, sameVersionCallback;
      local = _arg.local, remote = _arg.remote, newVersionCallback = _arg.newVersionCallback, sameVersionCallback = _arg.sameVersionCallback, oldVersionCallback = _arg.oldVersionCallback, errorCallback = _arg.errorCallback;
      details = {};
      runCompare = function() {
        if (balUtilCompare.versionCompare(details.local.version, '<', details.remote.version)) {
          return typeof newVersionCallback === "function" ? newVersionCallback(details) : void 0;
        } else if (balUtilCompare.versionCompare(details.local.version, '==', details.remote.version)) {
          return typeof sameVersionCallback === "function" ? sameVersionCallback(details) : void 0;
        } else if (balUtilCompare.versionCompare(details.local.version, '>', details.remote.version)) {
          return typeof oldVersionCallback === "function" ? oldVersionCallback(details) : void 0;
        }
      };
      balUtilPaths.readPath(local, function(err, data) {
        if (err) {
          return typeof errorCallback === "function" ? errorCallback(err, data) : void 0;
        }
        try {
          details.local = JSON.parse(data.toString());
        } catch (err) {
          return typeof errorCallback === "function" ? errorCallback(err, data) : void 0;
        }
        return balUtilPaths.readPath(remote, function(err, data) {
          if (err) {
            return typeof errorCallback === "function" ? errorCallback(err, data) : void 0;
          }
          try {
            details.remote = JSON.parse(data.toString());
          } catch (err) {
            return typeof errorCallback === "function" ? errorCallback(err, data) : void 0;
          }
          return runCompare();
        });
      });
      return this;
    }
  };

  module.exports = balUtilCompare;

}).call(this);