var readFixtures = function() {
  return jasmine.getFixtures().proxyCallTo_('read', arguments);
};

var loadFixtures = function() {
  jasmine.getFixtures().proxyCallTo_('load', arguments);
};

var setFixtures = function(html) {
  jasmine.getFixtures().set(html);
};

var sandbox = function(attributes) {
  return jasmine.getFixtures().sandbox(attributes);
};

jasmine.getFixtures = function() {
  return jasmine.currentFixtures_ = jasmine.currentFixtures_ || new jasmine.Fixtures();
};

jasmine.Fixtures = function() {
  this.containerId = 'jasmine-fixtures';
  this.fixturesCache_ = {};
  this.fixturesPath = 'spec/javascripts/fixtures';
};

jasmine.Fixtures.prototype.set = function(html) {
  this.cleanUp();
  this.createContainer_(html);
};

jasmine.Fixtures.prototype.load = function() {
  this.cleanUp();
  this.createContainer_(this.read.apply(this, arguments));
};

jasmine.Fixtures.prototype.read = function() {
  var htmlChunks = [];

  var fixtureUrls = arguments;
  for(var urlCount = fixtureUrls.length, urlIndex = 0; urlIndex < urlCount; urlIndex++) {
    htmlChunks.push(this.getFixtureHtml_(fixtureUrls[urlIndex]));
  }

  return htmlChunks.join('');
};

jasmine.Fixtures.prototype.clearCache = function() {
  this.fixturesCache_ = {};
};

jasmine.Fixtures.prototype.cleanUp = function() {
  $('#' + this.containerId).remove();
};

jasmine.Fixtures.prototype.sandbox = function(attributes) {
  var attributesToSet = attributes || {};
  return $('<div id="sandbox" />').attr(attributesToSet);
};

jasmine.Fixtures.prototype.createContainer_ = function(html) {
  var container = $('<div id="' + this.containerId + '" />');
  container.html(html);
  $('body').append(container);
};

jasmine.Fixtures.prototype.getFixtureHtml_ = function(url) {  
  if (typeof this.fixturesCache_[url] == 'undefined') {
    this.loadFixtureIntoCache_(url);
  }
  return this.fixturesCache_[url];
};

jasmine.Fixtures.prototype.loadFixtureIntoCache_ = function(relativeUrl) {
  var self = this;
  var url = this.fixturesPath.match('/$') ? this.fixturesPath + relativeUrl : this.fixturesPath + '/' + relativeUrl;
  $.ajax({
    async: false, // must be synchronous to guarantee that no tests are run before fixture is loaded
    cache: false,
    dataType: 'html',
    url: url,
    success: function(data) {
      self.fixturesCache_[relativeUrl] = data;
    }
  });
};

jasmine.Fixtures.prototype.proxyCallTo_ = function(methodName, passedArguments) {
  return this[methodName].apply(this, passedArguments);
};


jasmine.JQuery = function() {};

jasmine.JQuery.browserTagCaseIndependentHtml = function(html) {
  return $('<div/>').append(html).html();
};

jasmine.JQuery.elementToString = function(element) {
  return $('<div />').append(element.clone()).html();
};

jasmine.JQuery.matchersClass = {};


(function(){
  var jQueryMatchers = {
    toHaveClass: function(className) {
      return this.actual.hasClass(className);
    },

    toBeVisible: function() {
      return this.actual.is(':visible');
    },

    toBeHidden: function() {
      return this.actual.is(':hidden');
    },

    toBeSelected: function() {
      return this.actual.is(':selected');
    },

    toBeChecked: function() {
      return this.actual.is(':checked');
    },

    toBeEmpty: function() {
      return this.actual.is(':empty');
    },

    toExist: function() {
      return this.actual.size() > 0;
    },

    toHaveAttr: function(attributeName, expectedAttributeValue) {
      return hasProperty(this.actual.attr(attributeName), expectedAttributeValue);
    },

    toHaveId: function(id) {
      return this.actual.attr('id') == id;
    },

    toHaveHtml: function(html) {
      return this.actual.html() == jasmine.JQuery.browserTagCaseIndependentHtml(html);
    },

    toHaveText: function(text) {
      return this.actual.text() == text;
    },

    toHaveValue: function(value) {
      return this.actual.val() == value;
    },

    toHaveData: function(key, expectedValue) {
      return hasProperty(this.actual.data(key), expectedValue);
    },

    toBe: function(selector) {
      return this.actual.is(selector);
    },

    toContain: function(selector) {
      return this.actual.find(selector).size() > 0;
    }
  };

  var hasProperty = function(actualValue, expectedValue) {
    if (expectedValue === undefined) {
      return actualValue !== undefined;
    }
    return actualValue == expectedValue;
  };

  var bindMatcher = function(methodName) {
    var builtInMatcher = jasmine.Matchers.prototype[methodName];

    jasmine.JQuery.matchersClass[methodName] = function() {
      if (this.actual instanceof jQuery) {
        var result = jQueryMatchers[methodName].apply(this, arguments);
        this.actual = jasmine.JQuery.elementToString(this.actual);
        return result;
      }

      if (builtInMatcher) {
        return builtInMatcher.apply(this, arguments);
      }

      return false;
    };
  };

  for(var methodName in jQueryMatchers) {
    bindMatcher(methodName);
  }
})();

beforeEach(function() {
  this.addMatchers(jasmine.JQuery.matchersClass);
});

afterEach(function() {
  jasmine.getFixtures().cleanUp();
});