import { parser } from './gantt';
import ganttDb from '../ganttDb';

const spyOn = jest.spyOn;
const parserFnConstructor = (str) => {
  return () => {
    parser.parse(str);
  };
};

describe('when parsing a gantt diagram it', function () {
  beforeEach(function () {
    parser.yy = ganttDb;
    parser.yy.clear();
  });

  it('should handle a dateFormat definition', function () {
    const str = 'gantt\ndateFormat yyyy-mm-dd';

    expect(parserFnConstructor(str)).not.toThrow();
  });

  it('should handle a inclusive end date definition', function () {
    const str = 'gantt\ndateFormat yyyy-mm-dd\ninclusiveEndDates';

    expect(parserFnConstructor(str)).not.toThrow();
  });
  it('should handle a title definition', function () {
    const str = 'gantt\ndateFormat yyyy-mm-dd\ntitle Adding gantt diagram functionality to mermaid';

    expect(parserFnConstructor(str)).not.toThrow();
  });
  it('should handle an excludes definition', function () {
    const str =
      'gantt\ndateFormat yyyy-mm-dd\ntitle Adding gantt diagram functionality to mermaid\nexcludes weekdays 2019-02-01';

    expect(parserFnConstructor(str)).not.toThrow();
  });
  it('should handle a todayMarker definition', function () {
    spyOn(ganttDb, 'setTodayMarker');
    const str =
      'gantt\ndateFormat yyyy-mm-dd\ntitle Adding gantt diagram functionality to mermaid\nexcludes weekdays 2019-02-01\ntodayMarker off';

    expect(parserFnConstructor(str)).not.toThrow();
    expect(ganttDb.setTodayMarker).toHaveBeenCalledWith('off');
  });
  it('should handle a section definition', function () {
    const str =
      'gantt\n' +
      'dateFormat yyyy-mm-dd\n' +
      'title Adding gantt diagram functionality to mermaid\n' +
      'excludes weekdays 2019-02-01\n' +
      'section Documentation';

    expect(parserFnConstructor(str)).not.toThrow();
  });
  it('should handle multiline section titles with different line breaks', function () {
    const str =
      'gantt\n' +
      'dateFormat yyyy-mm-dd\n' +
      'title Adding gantt diagram functionality to mermaid\n' +
      'excludes weekdays 2019-02-01\n' +
      'section Line1<br>Line2<br/>Line3</br />Line4<br\t/>Line5';

    expect(parserFnConstructor(str)).not.toThrow();
  });
  /**
   * Beslutsflöde inligt nedan. Obs bla bla bla
   *
   *     graph TD
   *     A[Hard pledge] -- text on link -->B(Round edge)
   *     B --> C{to do or not to do}
   *     C -->|Too| D[Result one]
   *     C -->|Doo| E[Result two]
   *
   * Params bapa - a unique bapap
   */
  it('should handle a task definition', function () {
    const str =
      'gantt\n' +
      'dateFormat YYYY-MM-DD\n' +
      'title Adding gantt diagram functionality to mermaid\n' +
      'section Documentation\n' +
      'Design jison grammar:des1, 2014-01-01, 2014-01-04';

    expect(parserFnConstructor(str)).not.toThrow();

    const tasks = parser.yy.getTasks();

    expect(tasks[0].startTime).toEqual(new Date(2014, 0, 1));
    expect(tasks[0].endTime).toEqual(new Date(2014, 0, 4));
    expect(tasks[0].id).toEqual('des1');
    expect(tasks[0].task).toEqual('Design jison grammar');
  });
  it.each`
    tags                     | milestone | done     | crit     | active
    ${'milestone'}           | ${true}   | ${false} | ${false} | ${false}
    ${'done'}                | ${false}  | ${true}  | ${false} | ${false}
    ${'crit'}                | ${false}  | ${false} | ${true}  | ${false}
    ${'active'}              | ${false}  | ${false} | ${false} | ${true}
    ${'crit,milestone,done'} | ${true}   | ${true}  | ${true}  | ${false}
  `('should handle a task with tags $tags', ({ tags, milestone, done, crit, active }) => {
    const str =
      'gantt\n' +
      'dateFormat YYYY-MM-DD\n' +
      'title Adding gantt diagram functionality to mermaid\n' +
      'section Documentation\n' +
      'test task:' +
      tags +
      ', 2014-01-01, 2014-01-04';

    const allowedTags = ['active', 'done', 'crit', 'milestone'];

    expect(parserFnConstructor(str)).not.toThrow();

    const tasks = parser.yy.getTasks();

    allowedTags.forEach(function (t) {
      if (eval(t)) {
        expect(tasks[0][t]).toBeTruthy();
      } else {
        expect(tasks[0][t]).toBeFalsy();
      }
    });
  });
  it('should parse callback specifier with no args', function () {
    spyOn(ganttDb, 'setClickEvent');
    const str =
      'gantt\n' +
      'dateFormat  YYYY-MM-DD\n' +
      'section Clickable\n' +
      'Visit mermaidjs           :active, cl1, 2014-01-07, 3d\n' +
      'Calling a callback        :cl2, after cl1, 3d\n\n' +
      'click cl1 href "https://mermaidjs.github.io/"\n' +
      'click cl2 call ganttTestClick()\n';

    expect(parserFnConstructor(str)).not.toThrow();
    expect(ganttDb.setClickEvent).toHaveBeenCalledWith('cl2', 'ganttTestClick', null);
  });
  it('should parse callback specifier with arbitrary number of args', function () {
    spyOn(ganttDb, 'setClickEvent');
    const str =
      'gantt\n' +
      'dateFormat  YYYY-MM-DD\n' +
      'section Clickable\n' +
      'Visit mermaidjs           :active, cl1, 2014-01-07, 3d\n' +
      'Calling a callback        :cl2, after cl1, 3d\n\n' +
      'click cl1 href "https://mermaidjs.github.io/"\n' +
      'click cl2 call ganttTestClick("test0", test1, test2)\n';

    expect(parserFnConstructor(str)).not.toThrow();
    const args = '"test1", "test2", "test3"';
    expect(ganttDb.setClickEvent).toHaveBeenCalledWith(
      'cl2',
      'ganttTestClick',
      '"test0", test1, test2'
    );
  });
});
