import * as angular from 'angular';
import * as $ from 'jquery';
import 'angular-mocks';
import {xosTable} from './table';
import {PaginationFilter} from '../pagination/pagination.filter';
import {ArrayToListFilter} from './array-to-list.filter';
import {xosLinkWrapper} from '../link-wrapper/link-wrapper';


describe('The Xos Table component', () => {
  beforeEach(() => {
    angular
      .module('table', [])
      .component('xosTable', xosTable)
      .filter('pagination', PaginationFilter)
      .filter('arrayToList', ArrayToListFilter)
      .directive('xosLinkWrapper', xosLinkWrapper);
    angular.mock.module('table');
  });

  let scope, element, isolatedScope, rootScope, compile, filter;
  const compileElement = () => {

    if (!scope) {
      scope = rootScope.$new();
    }

    element = angular.element('<xos-table config="config" data="data"></xos-table>');
    compile(element)(scope);
    scope.$digest();
    isolatedScope = element.isolateScope().vm;
  };

  beforeEach(inject(function ($compile: ng.ICompileService, $rootScope: ng.IScope, $filter: ng.IFilterService) {
    compile = $compile;
    rootScope = $rootScope;
    filter = $filter;
  }));

  it('should throw an error if no config is specified', () => {
    function errorFunctionWrapper() {
      compileElement();
    }
    expect(errorFunctionWrapper).toThrow(new Error('[xosTable] Please provide a configuration via the "config" attribute'));
  });

  it('should throw an error if no config columns are specified', () => {
    function errorFunctionWrapper() {
      // setup the parent scope
      scope = rootScope.$new();
      scope.config = 'green';
      compileElement();
    }
    expect(errorFunctionWrapper).toThrow(new Error('[xosTable] Please provide a columns list in the configuration'));
  });

  describe('when basically configured', function() {

    beforeEach(inject(function ($compile: ng.ICompileService, $rootScope: ng.IScope) {

      scope = $rootScope.$new();

      scope.config = {
        columns: [
          {
            label: 'Label 1',
            prop: 'label-1'
          },
          {
            label: 'Label 2',
            prop: 'label-2'
          }
        ]
      };

      scope.data = [
        {
          'label-1': 'Sample 1.1',
          'label-2': 'Sample 1.2'
        },
        {
          'label-1': 'Sample 2.1',
          'label-2': 'Sample 2.2'
        }
      ];

      element = angular.element('<xos-table config="config" data="data"></xos-table>');
      $compile(element)(scope);
      scope.$digest();
      isolatedScope = element.isolateScope().vm;
    }));

    it('should contain 2 columns', function() {
      const th = element[0].getElementsByTagName('th');
      expect(th.length).toEqual(2);
      expect(isolatedScope.config.columns.length).toEqual(2);
    });

    it('should contain 3 rows', function() {
      const tr = element[0].getElementsByTagName('tr');
      expect(tr.length).toEqual(3);
    });

    it('should render labels', () => {
      let label1 = $(element).find('thead tr th')[0];
      let label2 = $(element).find('thead tr th')[1];
      expect($(label1).text().trim()).toEqual('Label 1');
      expect($(label2).text().trim()).toEqual('Label 2');
    });

    describe('when no data are provided', () => {
      beforeEach(() => {
        isolatedScope.data = [];
        scope.$digest();
      });
      it('should render an alert', () => {
        let alert = $('xos-alert', element);
        let table = $('table', element);
        expect(alert.length).toEqual(1);
        expect(table.length).toEqual(1);
      });
    });

    describe('when a field type is provided', () => {
      describe('and is boolean', () => {
        beforeEach(() => {
          scope.config = {
            columns: [
              {
                label: 'Label 1',
                prop: 'label-1',
                type: 'boolean'
              },
              {
                label: 'Label 2',
                prop: 'label-2',
                type: 'boolean'
              }
            ]
          };
          scope.data = [
            {
              'label-1': true,
              'label-2': 1
            },
            {
              'label-1': false,
              'label-2': 0
            }
          ];
          compileElement();
        });

        it('should render an incon', () => {
          let td1 = $(element).find('tbody tr:first-child td')[0];
          let td2 = $(element).find('tbody tr:last-child td')[0];
          expect($(td1).find('i')).toHaveClass('fa-ok');
          expect($(td2).find('i')).toHaveClass('fa-remove');
        });

        describe('with field filters', () => {
          beforeEach(() => {
            scope.config.filter = 'field';
            compileElement();
          });

          it('should render a dropdown for filtering', () => {
            let td1 = $(element).find('table tbody tr td')[0];
            expect(td1).toContainElement('select');
            expect(td1).not.toContainElement('input');
          });

          it('should correctly filter results', () => {
            isolatedScope.query = {
              'label-1': false
            };
            scope.$digest();
            expect(isolatedScope.query['label-1']).toBeFalsy();
            const tr = $(element).find('tbody:last-child > tr');
            const icon = $(tr[0]).find('td i');
            expect(tr.length).toEqual(1);
            expect(icon).toHaveClass('fa-remove');
          });

          // NOTE the custom comparator we had has not been imported yet:
          // https://github.com/opencord/ng-xos-lib/blob/master/src/services/helpers/ui/comparator.service.js
          xit('should correctly filter results if the field is in the form of 0|1', () => {
            isolatedScope.query = {
              'label-2': false
            };
            scope.$digest();
            expect(isolatedScope.query['label-2']).toBeFalsy();
            const tr = $('tbody:last-child > tr', element);
            expect(tr.length).toEqual(1);
            const icon = $(tr[0]).find('td i');
            expect(icon).toHaveClass('fa-remove');
          });
        });
      });

      describe('and is date', () => {
        beforeEach(() => {
          scope.config = {
            columns: [
              {
                label: 'Label 1',
                prop: 'label-1',
                type: 'date'
              }
            ]
          };
          scope.data = [
            {
              'label-1': '2015-02-17T22:06:38.059000Z'
            }
          ];
          compileElement();
        });

        it('should render an formatted date', () => {
          let td1 = $(element).find('tbody tr:first-child td')[0];
          const expectedDate = filter('date')(scope.data[0]['label-1'], 'H:mm MMM d, yyyy');
          expect($(td1).text().trim()).toEqual(expectedDate);
        });
      });

      describe('and is array', () => {
        beforeEach(() => {
          scope.data = [
            {categories: ['Film', 'Music']}
          ];
          scope.config = {
            filter: 'field',
            columns: [
              {
                label: 'Categories',
                prop: 'categories',
                type: 'array'
              }
            ]
          };
          compileElement();
        });
        it('should render a comma separated list', () => {
          let td1 = $(element).find('tbody:last-child tr:first-child')[0];
          expect($(td1).text().trim()).toEqual('Film, Music');
        });

        it('should not render the filter field', () => {
          let filter = $(element).find('tbody tr td')[0];
          expect($(filter)).not.toContainElement('input');
        });
      });

      describe('and is object', () => {
        beforeEach(() => {
          scope.data = [
            {
              attributes: {
                age: 20,
                height: 50
              }
            }
          ];
          scope.config = {
            filter: 'field',
            columns: [
              {
                label: 'Categories',
                prop: 'attributes',
                type: 'object'
              }
            ]
          };
          compileElement();
        });
        it('should render a list of key-values', () => {
          let td = $(element).find('tbody:last-child tr:first-child')[0];
          let ageLabel = $(td).find('dl dt')[0];
          let ageValue = $(td).find('dl dd')[0];
          let heightLabel = $(td).find('dl dt')[1];
          let heightValue = $(td).find('dl dd')[1];
          expect($(ageLabel).text().trim()).toEqual('age');
          expect($(ageValue).text().trim()).toEqual('20');
          expect($(heightLabel).text().trim()).toEqual('height');
          expect($(heightValue).text().trim()).toEqual('50');
        });

        it('should not render the filter field', () => {
          let filter = $(element).find('tbody tr td')[0];
          expect($(filter)).not.toContainElement('input');
        });
      });

      describe('and is custom', () => {

        let formatterFn = jasmine.createSpy('formatter').and.returnValue('Formatted Content');

        beforeEach(() => {
          scope.data = [
            {categories: ['Film', 'Music']}
          ];
          scope.config = {
            filter: 'field',
            columns: [
              {
                label: 'Categories',
                prop: 'categories',
                type: 'custom',
                formatter: formatterFn
              }
            ]
          };
          compileElement();
        });

        it('should check for a formatter property', () => {
          function errorFunctionWrapper() {
            // setup the parent scope
            scope = rootScope.$new();
            scope.config = {
              columns: [
                {
                  label: 'Categories',
                  prop: 'categories',
                  type: 'custom'
                }
              ]
            };
            compileElement();
          }
          expect(errorFunctionWrapper).toThrow(new Error('[xosTable] You have provided a custom field type, a formatter function should provided too.'));
        });

        it('should check that the formatter property is a function', () => {
          function errorFunctionWrapper() {
            // setup the parent scope
            scope = rootScope.$new();
            scope.config = {
              columns: [
                {
                  label: 'Categories',
                  prop: 'categories',
                  type: 'custom',
                  formatter: 'formatter'
                }
              ]
            };
            compileElement();
          }
          expect(errorFunctionWrapper).toThrow(new Error('[xosTable] You have provided a custom field type, a formatter function should provided too.'));
        });

        it('should format data using the formatter property', () => {
          let td1 = $(element).find('tbody:last-child tr:first-child')[0];
          expect($(td1).text().trim()).toEqual('Formatted Content');
          // the custom formatted should receive the entire object, otherwise is not so custom
          expect(formatterFn).toHaveBeenCalledWith({categories: ['Film', 'Music']});
        });

        it('should not render the filter field', () => {
          // displayed value is different from model val, filter would not work
          let filter = $(element).find('tbody tr td')[0];
          expect($(filter)).not.toContainElement('input');
        });
      });

      describe('and is icon', () => {

        beforeEach(() => {
          scope.config = {
            columns: [
              {
                label: 'Label 1',
                prop: 'label-1',
                type: 'icon',
                formatter: item => {
                  switch (item['label-1']) {
                    case 1:
                      return 'ok';
                    case 2:
                      return 'remove';
                    case 3:
                      return 'plus';
                  }
                }
              }
            ]
          };
          scope.data = [
            {
              'label-1': 1
            },
            {
              'label-1': 2
            },
            {
              'label-1': 3
            }
          ];
          compileElement();
        });

        it('should render a custom icon', () => {
          let td1 = $(element).find('tbody tr:first-child td')[0];
          let td2 = $(element).find('tbody tr:nth-child(2) td')[0];
          let td3 = $(element).find('tbody tr:last-child td')[0];
          expect($(td1).find('i')).toHaveClass('fa-ok');
          expect($(td2).find('i')).toHaveClass('fa-remove');
          expect($(td3).find('i')).toHaveClass('fa-plus');
        });
      });
    });

    describe('when a link property is provided', () => {
      beforeEach(() => {
        scope.data = [
          {
            id: 1
          }
        ];
        scope.config = {
          columns: [
            {
              label: 'Id',
              prop: 'id',
              link: (item) => {
                return `state({id: ${item.id}})`;
              }
            }
          ]
        };
        compileElement();
      });

      it('should check that the link property is a function', () => {
        function errorFunctionWrapper() {
          // setup the parent scope
          scope = rootScope.$new();
          scope.config = {
            columns: [
              {
                label: 'Categories',
                prop: 'categories',
                link: 'custom'
              }
            ]
          };
          compileElement();
        }
        expect(errorFunctionWrapper).toThrow(new Error('[xosTable] The link property should be a function.'));
      });

      it('should render a link with the correct url', () => {
        let link = $('tbody tr:first-child td a', element)[0];
        expect($(link).attr('ui-sref')).toEqual('state({id: 1})');
      });
    });

    describe('when actions are passed', () => {

      let cb = jasmine.createSpy('callback');

      beforeEach(() => {
        isolatedScope.config.actions = [
          {
            label: 'delete',
            icon: 'remove',
            cb: cb,
            color: 'red'
          }
        ];
        scope.$digest();
      });

      it('should have 3 columns', () => {
        const th = element[0].getElementsByTagName('th');
        expect(th.length).toEqual(3);
        expect(isolatedScope.config.columns.length).toEqual(2);
      });

      it('when clicking on action should invoke callback', () => {
        const link = element[0].getElementsByTagName('a')[0];
        link.click();
        expect(cb).toHaveBeenCalledWith(scope.data[0]);
      });
    });

    describe('when filter is fulltext', () => {
      beforeEach(() => {
        isolatedScope.config.filter = 'fulltext';
        scope.$digest();
      });

      it('should render a text field', () => {
        const textField = element[0].getElementsByTagName('input');
        expect(textField.length).toEqual(1);
      });

      describe('and a value is enterd', () => {
        beforeEach(() => {
          isolatedScope.query = '2.2';
          scope.$digest();
        });

        it('should contain 2 rows', function() {
          const tr = element[0].getElementsByTagName('tr');
          expect(tr.length).toEqual(2);
        });
      });
    });

    describe('when filter is field', () => {
      beforeEach(() => {
        isolatedScope.config.filter = 'field';
        scope.$digest();
      });

      it('should render a text field for each column', () => {
        const textField = element[0].getElementsByTagName('input');
        expect(textField.length).toEqual(2);
      });

      describe('and a value is enterd', () => {
        beforeEach(() => {
          isolatedScope.query = {'label-1': '2.1'};
          scope.$digest();
        });

        it('should contain 3 rows', function() {
          const tr = element[0].getElementsByTagName('tr');
          expect(tr.length).toEqual(3);
        });
      });
    });

    describe('when order is true', () => {
      beforeEach(() => {
        isolatedScope.config.order = true;
        scope.$digest();
      });

      it('should render a arrows beside', () => {
        const arrows = element[0].getElementsByTagName('i');
        expect(arrows.length).toEqual(4);
      });

      describe('and a default ordering is passed', () => {

        beforeEach(() => {
          scope.config.order = {
            field: 'label-1',
            reverse: true
          };
          compileElement();
        });

        it('should orderBy the default order', () => {
          const tr = $(element).find('tr');
          expect($(tr[1]).text()).toContain('Sample 2.2');
          expect($(tr[2]).text()).toContain('Sample 1.1');
        });
      });

      describe('and an order is set', () => {
        beforeEach(() => {
          isolatedScope.orderBy = 'label-1';
          isolatedScope.reverse = true;
          scope.$digest();
        });

        it('should orderBy', function() {
          const tr = $(element).find('tr');
          expect($(tr[1]).text()).toContain('Sample 2.2');
          expect($(tr[2]).text()).toContain('Sample 1.1');
        });
      });
    });
  });
});