'use strict';

describe('ngPluralize', function() {
  var element,
    elementAlt;


  afterEach(function() {
    dealoc(element);
    dealoc(elementAlt);
  });


  describe('deal with pluralized strings without offset', function() {
    beforeEach(inject(function($rootScope, $compile) {
      element = $compile(
          '<ng:pluralize count="email"' +
                         'when="{\'-1\': \'You have negative email. Whohoo!\',' +
                                 '\'0\': \'You have no new email\',' +
                                 '\'one\': \'You have one new email\',' +
                                 '\'other\': \'You have {} new emails\'}">' +
          '</ng:pluralize>')($rootScope);
      elementAlt = $compile(
          '<ng:pluralize count="email" ' +
                         'when-minus-1=\'You have negative email. Whohoo!\' ' +
                         'when-0=\'You have no new email\' ' +
                         'when-one=\'You have one new email\' ' +
                         'when-other=\'You have {} new emails\'>' +
          '</ng:pluralize>')($rootScope);
    }));


    it('should show single/plural strings', inject(function($rootScope) {
      $rootScope.email = 0;
      $rootScope.$digest();
      expect(element.text()).toBe('You have no new email');
      expect(elementAlt.text()).toBe('You have no new email');

      $rootScope.email = '0';
      $rootScope.$digest();
      expect(element.text()).toBe('You have no new email');
      expect(elementAlt.text()).toBe('You have no new email');

      $rootScope.email = 1;
      $rootScope.$digest();
      expect(element.text()).toBe('You have one new email');
      expect(elementAlt.text()).toBe('You have one new email');

      $rootScope.email = 0.01;
      $rootScope.$digest();
      expect(element.text()).toBe('You have 0.01 new emails');
      expect(elementAlt.text()).toBe('You have 0.01 new emails');

      $rootScope.email = '0.1';
      $rootScope.$digest();
      expect(element.text()).toBe('You have 0.1 new emails');
      expect(elementAlt.text()).toBe('You have 0.1 new emails');

      $rootScope.email = 2;
      $rootScope.$digest();
      expect(element.text()).toBe('You have 2 new emails');
      expect(elementAlt.text()).toBe('You have 2 new emails');

      $rootScope.email = -0.1;
      $rootScope.$digest();
      expect(element.text()).toBe('You have -0.1 new emails');
      expect(elementAlt.text()).toBe('You have -0.1 new emails');

      $rootScope.email = '-0.01';
      $rootScope.$digest();
      expect(element.text()).toBe('You have -0.01 new emails');
      expect(elementAlt.text()).toBe('You have -0.01 new emails');

      $rootScope.email = -2;
      $rootScope.$digest();
      expect(element.text()).toBe('You have -2 new emails');
      expect(elementAlt.text()).toBe('You have -2 new emails');

      $rootScope.email = -1;
      $rootScope.$digest();
      expect(element.text()).toBe('You have negative email. Whohoo!');
      expect(elementAlt.text()).toBe('You have negative email. Whohoo!');
    }));


    it('should show single/plural strings with mal-formed inputs', inject(
      function($log, $rootScope) {
        $rootScope.email = '';
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');
        expect($log.debug.logs.shift()).toEqual([
          'ngPluralize: no rule defined for \'NaN\' in {' +
          '\'-1\': \'You have negative email. Whohoo!\',' +
          '\'0\': \'You have no new email\',' +
          '\'one\': \'You have one new email\',' +
          '\'other\': \'You have {} new emails\'}'
        ]);
        expect($log.debug.logs.shift()).toEqual([
          'ngPluralize: no rule defined for \'NaN\' in undefined'
        ]);

        $rootScope.email = null;
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');

        $rootScope.email = undefined;
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');

        $rootScope.email = 'a3';
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');

        $rootScope.email = '011';
        $rootScope.$digest();
        expect(element.text()).toBe('You have 11 new emails');
        expect(elementAlt.text()).toBe('You have 11 new emails');

        $rootScope.email = '-011';
        $rootScope.$digest();
        expect(element.text()).toBe('You have -11 new emails');
        expect(elementAlt.text()).toBe('You have -11 new emails');

        $rootScope.email = '1fff';
        $rootScope.$digest();
        expect(element.text()).toBe('You have one new email');
        expect(elementAlt.text()).toBe('You have one new email');

        $rootScope.email = '0aa22';
        $rootScope.$digest();
        expect(element.text()).toBe('You have no new email');
        expect(elementAlt.text()).toBe('You have no new email');

        $rootScope.email = '000001';
        $rootScope.$digest();
        expect(element.text()).toBe('You have one new email');
        expect(elementAlt.text()).toBe('You have one new email');
      }
    ));
  });


  describe('edge cases', function() {
    it('should be able to handle empty strings as possible values', inject(function($rootScope, $compile) {
      element = $compile(
          '<ng:pluralize count="email"' +
                         'when="{\'0\': \'\',' +
                                 '\'one\': \'Some text\',' +
                                 '\'other\': \'Some text\'}">' +
          '</ng:pluralize>')($rootScope);
      $rootScope.email = '0';
      $rootScope.$digest();
      expect(element.text()).toBe('');
    }));

    it('should be able to specify a message for null/undefined values', inject(
      function($compile, $rootScope) {
        element = $compile(
            '<ng:pluralize count="email"' +
                          'when="{\'NaN\': \'Unspecified email count\',' +
                                  '\'0\': \'\',' +
                                  '\'one\': \'Some text\',' +
                                  '\'other\': \'Some text\'}">' +
            '</ng:pluralize>')($rootScope);

      $rootScope.email = '0';
      $rootScope.$digest();
      expect(element.text()).toBe('');

      $rootScope.email = undefined;
      $rootScope.$digest();
      expect(element.text()).toBe('Unspecified email count');

      $rootScope.email = '1';
      $rootScope.$digest();
      expect(element.text()).toBe('Some text');

      $rootScope.email = null;
      $rootScope.$digest();
      expect(element.text()).toBe('Unspecified email count');
    }));
  });

  describe('undefined rule cases', function() {
    var $locale, $log;
    beforeEach(inject(function(_$locale_, _$log_) {
      $locale = _$locale_;
      $log = _$log_;
    }));
    afterEach(inject(function($log) {
      $log.reset();
    }));

    it('should generate a warning when being asked to use a rule that is not defined',
      inject(function($rootScope, $compile) {
      element = $compile(
          '<ng:pluralize count="email"' +
                         'when="{\'0\': \'Zero\',' +
                                 '\'one\': \'Some text\',' +
                                 '\'other\': \'Some text\'}">' +
          '</ng:pluralize>')($rootScope);
      $locale.pluralCat = function() {return 'few';};

      $rootScope.email = '3';
      expect($log.debug.logs).toEqual([]);
      $rootScope.$digest();
      expect(element.text()).toBe('');
      expect($log.debug.logs.shift())
        .toEqual(['ngPluralize: no rule defined for \'few\' in {\'0\': \'Zero\',\'one\': \'Some text\',\'other\': \'Some text\'}']);
    }));

    it('should empty the element content when using a rule that is not defined',
      inject(function($rootScope, $compile) {
      element = $compile(
          '<ng:pluralize count="email"' +
                         'when="{\'0\': \'Zero\',' +
                                 '\'one\': \'Some text\',' +
                                 '\'other\': \'Some text\'}">' +
          '</ng:pluralize>')($rootScope);
      $locale.pluralCat = function(count) {return count === 1 ? 'one' : 'few';};

      $rootScope.email = '0';
      $rootScope.$digest();
      expect(element.text()).toBe('Zero');

      $rootScope.email = '3';
      $rootScope.$digest();
      expect(element.text()).toBe('');

      $rootScope.email = '1';
      $rootScope.$digest();
      expect(element.text()).toBe('Some text');

      $rootScope.email = null;
      $rootScope.$digest();
      expect(element.text()).toBe('');
    }));
  });

  describe('deal with pluralized strings with offset', function() {
    it('should show single/plural strings with offset', inject(function($rootScope, $compile) {
      element = $compile(
        '<ng:pluralize count=\'viewCount\'  offset=\'2\' ' +
            'when="{\'0\': \'Nobody is viewing.\',' +
                    '\'1\': \'{{p1}} is viewing.\',' +
                    '\'2\': \'{{p1}} and {{p2}} are viewing.\',' +
                    '\'one\': \'{{p1}}, {{p2}} and one other person are viewing.\',' +
                    '\'other\': \'{{p1}}, {{p2}} and {} other people are viewing.\'}">' +
        '</ng:pluralize>')($rootScope);
      elementAlt = $compile(
        '<ng:pluralize count=\'viewCount\'  offset=\'2\' ' +
            'when-0=\'Nobody is viewing.\'' +
            'when-1=\'{{p1}} is viewing.\'' +
            'when-2=\'{{p1}} and {{p2}} are viewing.\'' +
            'when-one=\'{{p1}}, {{p2}} and one other person are viewing.\'' +
            'when-other=\'{{p1}}, {{p2}} and {} other people are viewing.\'>' +
        '</ng:pluralize>')($rootScope);
      $rootScope.p1 = 'Igor';
      $rootScope.p2 = 'Misko';

      $rootScope.viewCount = 0;
      $rootScope.$digest();
      expect(element.text()).toBe('Nobody is viewing.');
      expect(elementAlt.text()).toBe('Nobody is viewing.');

      $rootScope.viewCount = 1;
      $rootScope.$digest();
      expect(element.text()).toBe('Igor is viewing.');
      expect(elementAlt.text()).toBe('Igor is viewing.');

      $rootScope.viewCount = 2;
      $rootScope.$digest();
      expect(element.text()).toBe('Igor and Misko are viewing.');
      expect(elementAlt.text()).toBe('Igor and Misko are viewing.');

      $rootScope.viewCount = 3;
      $rootScope.$digest();
      expect(element.text()).toBe('Igor, Misko and one other person are viewing.');
      expect(elementAlt.text()).toBe('Igor, Misko and one other person are viewing.');

      $rootScope.viewCount = 4;
      $rootScope.$digest();
      expect(element.text()).toBe('Igor, Misko and 2 other people are viewing.');
      expect(elementAlt.text()).toBe('Igor, Misko and 2 other people are viewing.');

      $rootScope.viewCount = null;
      $rootScope.$digest();
      expect(element.text()).toBe('');
      expect(elementAlt.text()).toBe('');
    }));
  });


  describe('interpolation', function() {

    it('should support custom interpolation symbols', function() {
      module(function($interpolateProvider) {
        $interpolateProvider.startSymbol('[[').endSymbol('%%');
      });

      inject(function($compile, $rootScope) {
        element = $compile(
            '<ng:pluralize count="viewCount" offset="1"' +
              'when="{\'0\': \'Nobody is viewing.\',' +
                      '\'1\': \'[[p1%% is viewing.\',' +
                      '\'one\': \'[[p1%% and one other person are viewing.\',' +
                      '\'other\': \'[[p1%% and {} other people are viewing.\'}">' +
            '</ng:pluralize>')($rootScope);
        elementAlt = $compile(
            '<ng:pluralize count=\'viewCount\' offset=\'1\'' +
              'when-0=\'Nobody is viewing.\'' +
              'when-1=\'[[p1%% is viewing.\'' +
              'when-one=\'[[p1%% and one other person are viewing.\'' +
              'when-other=\'[[p1%% and {} other people are viewing.\'>' +
            '</ng:pluralize>')($rootScope);
        $rootScope.p1 = 'Igor';

        $rootScope.viewCount = 0;
        $rootScope.$digest();
        expect(element.text()).toBe('Nobody is viewing.');
        expect(elementAlt.text()).toBe('Nobody is viewing.');

        $rootScope.viewCount = 1;
        $rootScope.$digest();
        expect(element.text()).toBe('Igor is viewing.');
        expect(elementAlt.text()).toBe('Igor is viewing.');

        $rootScope.viewCount = 2;
        $rootScope.$digest();
        expect(element.text()).toBe('Igor and one other person are viewing.');
        expect(elementAlt.text()).toBe('Igor and one other person are viewing.');

        $rootScope.viewCount = 3;
        $rootScope.$digest();
        expect(element.text()).toBe('Igor and 2 other people are viewing.');
        expect(elementAlt.text()).toBe('Igor and 2 other people are viewing.');
      });
    });
  });


  describe('bind-once', function() {
    it('should support for `count` to be a one-time expression',
      inject(function($compile, $rootScope) {
        element = $compile(
            '<ng:pluralize count="::email"' +
                           'when="{\'one\': \'You have one new email\',' +
                                   '\'other\': \'You have {} new emails\'}">' +
            '</ng:pluralize>')($rootScope);
        elementAlt = $compile(
            '<ng:pluralize count="::email" ' +
                           'when-one=\'You have one new email\' ' +
                           'when-other=\'You have {} new emails\'>' +
            '</ng:pluralize>')($rootScope);

        $rootScope.email = undefined;
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');

        $rootScope.email = 3;
        $rootScope.$digest();
        expect(element.text()).toBe('You have 3 new emails');
        expect(elementAlt.text()).toBe('You have 3 new emails');

        $rootScope.email = null;
        $rootScope.$digest();
        expect(element.text()).toBe('You have 3 new emails');
        expect(elementAlt.text()).toBe('You have 3 new emails');

        $rootScope.email = 2;
        $rootScope.$digest();
        expect(element.text()).toBe('You have 3 new emails');
        expect(elementAlt.text()).toBe('You have 3 new emails');

        $rootScope.email = 1;
        $rootScope.$digest();
        expect(element.text()).toBe('You have 3 new emails');
        expect(elementAlt.text()).toBe('You have 3 new emails');
      })
    );


    it('should still update other embedded expressions',
      inject(function($compile, $rootScope) {
        element = $compile(
            '<ng:pluralize count="::email"' +
                           'when="{\'one\': \'You, {{user}}, have one new email\',' +
                                   '\'other\': \'You, {{user}}, have {} new emails\'}">' +
            '</ng:pluralize>')($rootScope);
        elementAlt = $compile(
            '<ng:pluralize count="::email" ' +
                           'when-one=\'You, {{user}}, have one new email\' ' +
                           'when-other=\'You, {{user}}, have {} new emails\'>' +
            '</ng:pluralize>')($rootScope);

        $rootScope.user = 'Lucas';
        $rootScope.email = undefined;
        $rootScope.$digest();
        expect(element.text()).toBe('');
        expect(elementAlt.text()).toBe('');

        $rootScope.email = 3;
        $rootScope.$digest();
        expect(element.text()).toBe('You, Lucas, have 3 new emails');
        expect(elementAlt.text()).toBe('You, Lucas, have 3 new emails');

        $rootScope.user = 'Pete';
        $rootScope.email = 2;
        $rootScope.$digest();
        expect(element.text()).toBe('You, Pete, have 3 new emails');
        expect(elementAlt.text()).toBe('You, Pete, have 3 new emails');
      })
    );
  });
});