/* eslint-disable no-var, camelcase, vars-on-top */

import ContributorsStatGraphUtil from '~/pages/projects/graphs/show/stat_graph_contributors_util';

describe('ContributorsStatGraphUtil', function() {
  describe('#parse_log', function() {
    it('returns a correctly parsed log', function() {
      var fake_log = [
        {
          author_email: 'karlo@email.com',
          author_name: 'Karlo Soriano',
          date: '2013-05-09',
          additions: 471,
        },
        {
          author_email: 'dzaporozhets@email.com',
          author_name: 'Dmitriy Zaporozhets',
          date: '2013-05-08',
          additions: 6,
          deletions: 1,
        },
        {
          author_email: 'dzaporozhets@email.com',
          author_name: 'Dmitriy Zaporozhets',
          date: '2013-05-08',
          additions: 19,
          deletions: 3,
        },
        {
          author_email: 'dzaporozhets@email.com',
          author_name: 'Dmitriy Zaporozhets',
          date: '2013-05-08',
          additions: 29,
          deletions: 3,
        },
      ];

      var correct_parsed_log = {
        total: [
          { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
        ],
        by_author: [
          {
            author_name: 'Karlo Soriano',
            author_email: 'karlo@email.com',
            '2013-05-09': { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          },
          {
            author_name: 'Dmitriy Zaporozhets',
            author_email: 'dzaporozhets@email.com',
            '2013-05-08': { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
          },
        ],
      };

      expect(ContributorsStatGraphUtil.parse_log(fake_log)).toEqual(correct_parsed_log);
    });
  });

  describe('#store_data', function() {
    var fake_entry = { author: 'Karlo Soriano', date: '2013-05-09', additions: 471 };
    var fake_total = {};
    var fake_by_author = {};

    it('calls #store_commits', function() {
      spyOn(ContributorsStatGraphUtil, 'store_commits');
      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author);

      expect(ContributorsStatGraphUtil.store_commits).toHaveBeenCalled();
    });

    it('calls #store_additions', function() {
      spyOn(ContributorsStatGraphUtil, 'store_additions');
      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author);

      expect(ContributorsStatGraphUtil.store_additions).toHaveBeenCalled();
    });

    it('calls #store_deletions', function() {
      spyOn(ContributorsStatGraphUtil, 'store_deletions');
      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author);

      expect(ContributorsStatGraphUtil.store_deletions).toHaveBeenCalled();
    });
  });

  // TODO: fix or remove
  // describe("#store_commits", function () {
  //   var fake_total = "fake_total";
  //   var fake_by_author = "fake_by_author";
  //
  //   it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
  //     spyOn(ContributorsStatGraphUtil, 'add');
  //     ContributorsStatGraphUtil.store_commits(fake_total, fake_by_author);
  //     expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "commits", 1], ["fake_by_author", "commits", 1]]);
  //   });
  // });

  describe('#add', function() {
    it('adds 1 to current test_field in collection', function() {
      var fake_collection = { test_field: 10 };
      ContributorsStatGraphUtil.add(fake_collection, 'test_field', 1);

      expect(fake_collection.test_field).toEqual(11);
    });

    it('inits and adds 1 if test_field in collection is not defined', function() {
      var fake_collection = {};
      ContributorsStatGraphUtil.add(fake_collection, 'test_field', 1);

      expect(fake_collection.test_field).toEqual(1);
    });
  });

  // TODO: fix or remove
  // describe("#store_additions", function () {
  //   var fake_entry = {additions: 10};
  //   var fake_total= "fake_total";
  //   var fake_by_author = "fake_by_author";
  //   it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
  //     spyOn(ContributorsStatGraphUtil, 'add');
  //     ContributorsStatGraphUtil.store_additions(fake_entry, fake_total, fake_by_author);
  //     expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "additions", 10], ["fake_by_author", "additions", 10]]);
  //   });
  // });

  // TODO: fix or remove
  // describe("#store_deletions", function () {
  //   var fake_entry = {deletions: 10};
  //   var fake_total= "fake_total";
  //   var fake_by_author = "fake_by_author";
  //   it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
  //     spyOn(ContributorsStatGraphUtil, 'add');
  //     ContributorsStatGraphUtil.store_deletions(fake_entry, fake_total, fake_by_author);
  //     expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "deletions", 10], ["fake_by_author", "deletions", 10]]);
  //   });
  // });

  describe('#add_date', function() {
    it('adds a date field to the collection', function() {
      var fake_date = '2013-10-02';
      var fake_collection = {};
      ContributorsStatGraphUtil.add_date(fake_date, fake_collection);

      expect(fake_collection[fake_date].date).toEqual('2013-10-02');
    });
  });

  describe('#add_author', function() {
    it('adds an author field to the collection', function() {
      var fake_author = { author_name: 'Author', author_email: 'fake@email.com' };
      var fake_author_collection = {};
      var fake_email_collection = {};
      ContributorsStatGraphUtil.add_author(
        fake_author,
        fake_author_collection,
        fake_email_collection,
      );

      expect(fake_author_collection[fake_author.author_name].author_name).toEqual('Author');
      expect(fake_email_collection[fake_author.author_email].author_name).toEqual('Author');
    });
  });

  describe('#get_total_data', function() {
    it('returns the collection sorted via specified field', function() {
      var fake_parsed_log = {
        total: [
          { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
        ],
        by_author: [
          {
            author: 'Karlo Soriano',
            '2013-05-09': { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          },
          {
            author: 'Dmitriy Zaporozhets',
            '2013-05-08': { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
          },
        ],
      };
      var correct_total_data = [
        { date: '2013-05-08', commits: 3 },
        { date: '2013-05-09', commits: 1 },
      ];

      expect(ContributorsStatGraphUtil.get_total_data(fake_parsed_log, 'commits')).toEqual(
        correct_total_data,
      );
    });
  });

  describe('#pick_field', function() {
    it('returns the collection with only the specified field and date', function() {
      var fake_parsed_log_total = [
        { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
        { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
      ];
      ContributorsStatGraphUtil.pick_field(fake_parsed_log_total, 'commits');
      var correct_pick_field_data = [
        { date: '2013-05-09', commits: 1 },
        { date: '2013-05-08', commits: 3 },
      ];

      expect(ContributorsStatGraphUtil.pick_field(fake_parsed_log_total, 'commits')).toEqual(
        correct_pick_field_data,
      );
    });
  });

  describe('#get_author_data', function() {
    it('returns the log by author sorted by specified field', function() {
      var fake_parsed_log = {
        total: [
          { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
        ],
        by_author: [
          {
            author_name: 'Karlo Soriano',
            author_email: 'karlo@email.com',
            '2013-05-09': { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
          },
          {
            author_name: 'Dmitriy Zaporozhets',
            author_email: 'dzaporozhets@email.com',
            '2013-05-08': { date: '2013-05-08', additions: 54, deletions: 7, commits: 3 },
          },
        ],
      };
      var correct_author_data = [
        {
          author_name: 'Dmitriy Zaporozhets',
          author_email: 'dzaporozhets@email.com',
          dates: { '2013-05-08': 3 },
          deletions: 7,
          additions: 54,
          commits: 3,
        },
        {
          author_name: 'Karlo Soriano',
          author_email: 'karlo@email.com',
          dates: { '2013-05-09': 1 },
          deletions: 0,
          additions: 471,
          commits: 1,
        },
      ];

      expect(ContributorsStatGraphUtil.get_author_data(fake_parsed_log, 'commits')).toEqual(
        correct_author_data,
      );
    });
  });

  describe('#parse_log_entry', function() {
    it('adds the corresponding info from the log entry to the author', function() {
      var fake_log_entry = {
        author_name: 'Karlo Soriano',
        author_email: 'karlo@email.com',
        '2013-05-09': { date: '2013-05-09', additions: 471, deletions: 0, commits: 1 },
      };
      var correct_parsed_log = {
        author_name: 'Karlo Soriano',
        author_email: 'karlo@email.com',
        dates: { '2013-05-09': 1 },
        deletions: 0,
        additions: 471,
        commits: 1,
      };

      expect(ContributorsStatGraphUtil.parse_log_entry(fake_log_entry, 'commits', null)).toEqual(
        correct_parsed_log,
      );
    });
  });

  describe('#in_range', function() {
    var date = '2013-05-09';
    it('returns true if date_range is null', function() {
      expect(ContributorsStatGraphUtil.in_range(date, null)).toEqual(true);
    });

    it('returns true if date is in range', function() {
      var date_range = [new Date('2013-01-01'), new Date('2013-12-12')];

      expect(ContributorsStatGraphUtil.in_range(date, date_range)).toEqual(true);
    });

    it('returns false if date is not in range', function() {
      var date_range = [new Date('1999-12-01'), new Date('2000-12-01')];

      expect(ContributorsStatGraphUtil.in_range(date, date_range)).toEqual(false);
    });
  });
});