import Vue from 'vue';
import environmentTableComp from '~/environments/components/environments_table.vue';
import mountComponent from 'spec/helpers/vue_mount_component_helper';

describe('Environment table', () => {
  let Component;
  let vm;

  const eeOnlyProps = {
    canaryDeploymentFeatureId: 'canary_deployment',
    showCanaryDeploymentCallout: true,
    userCalloutsPath: '/callouts',
    lockPromotionSvgPath: '/assets/illustrations/lock-promotion.svg',
    helpCanaryDeploymentsPath: 'help/canary-deployments',
  };

  beforeEach(() => {
    Component = Vue.extend(environmentTableComp);
  });

  afterEach(() => {
    vm.$destroy();
  });

  it('Should render a table', () => {
    const mockItem = {
      name: 'review',
      size: 3,
      isFolder: true,
      latest: {
        environment_path: 'url',
      },
    };

    vm = mountComponent(Component, {
      environments: [mockItem],
      canReadEnvironment: true,
      ...eeOnlyProps,
    });

    expect(vm.$el.getAttribute('class')).toContain('ci-table');
  });

  describe('sortEnvironments', () => {
    it('should sort environments by last updated', () => {
      const mockItems = [
        {
          name: 'old',
          size: 3,
          isFolder: false,
          last_deployment: {
            created_at: new Date(2019, 0, 5).toISOString(),
          },
        },
        {
          name: 'new',
          size: 3,
          isFolder: false,
          last_deployment: {
            created_at: new Date(2019, 1, 5).toISOString(),
          },
        },
        {
          name: 'older',
          size: 3,
          isFolder: false,
          last_deployment: {
            created_at: new Date(2018, 0, 5).toISOString(),
          },
        },
        {
          name: 'an environment with no deployment',
        },
      ];

      vm = mountComponent(Component, {
        environments: mockItems,
        canReadEnvironment: true,
        ...eeOnlyProps,
      });

      const [old, newer, older, noDeploy] = mockItems;

      expect(vm.sortEnvironments(mockItems)).toEqual([newer, old, older, noDeploy]);
    });

    it('should push environments with no deployments to the bottom', () => {
      const mockItems = [
        {
          name: 'production',
          size: 1,
          id: 2,
          state: 'available',
          external_url: 'https://google.com/production',
          environment_type: null,
          last_deployment: null,
          has_stop_action: false,
          environment_path: '/Commit451/lab-coat/environments/2',
          stop_path: '/Commit451/lab-coat/environments/2/stop',
          folder_path: '/Commit451/lab-coat/environments/folders/production',
          created_at: '2019-01-17T16:26:10.064Z',
          updated_at: '2019-01-17T16:27:37.717Z',
          can_stop: true,
        },
        {
          name: 'review/225addcibuildstatus',
          size: 2,
          isFolder: true,
          isLoadingFolderContent: false,
          folderName: 'review',
          isOpen: false,
          children: [],
          id: 12,
          state: 'available',
          external_url: 'https://google.com/review/225addcibuildstatus',
          environment_type: 'review',
          last_deployment: null,
          has_stop_action: false,
          environment_path: '/Commit451/lab-coat/environments/12',
          stop_path: '/Commit451/lab-coat/environments/12/stop',
          folder_path: '/Commit451/lab-coat/environments/folders/review',
          created_at: '2019-01-17T16:27:37.877Z',
          updated_at: '2019-01-17T16:27:37.883Z',
          can_stop: true,
        },
        {
          name: 'staging',
          size: 1,
          id: 1,
          state: 'available',
          external_url: 'https://google.com/staging',
          environment_type: null,
          last_deployment: {
            created_at: '2019-01-17T16:26:15.125Z',
            scheduled_actions: [],
          },
        },
      ];

      vm = mountComponent(Component, {
        environments: mockItems,
        canReadEnvironment: true,
        ...eeOnlyProps,
      });

      const [prod, review, staging] = mockItems;

      expect(vm.sortEnvironments(mockItems)).toEqual([review, staging, prod]);
    });

    it('should sort environments by folder first', () => {
      const mockItems = [
        {
          name: 'old',
          size: 3,
          isFolder: false,
          last_deployment: {
            created_at: new Date(2019, 0, 5).toISOString(),
          },
        },
        {
          name: 'new',
          size: 3,
          isFolder: false,
          last_deployment: {
            created_at: new Date(2019, 1, 5).toISOString(),
          },
        },
        {
          name: 'older',
          size: 3,
          isFolder: true,
          children: [],
        },
      ];

      vm = mountComponent(Component, {
        environments: mockItems,
        canReadEnvironment: true,
        ...eeOnlyProps,
      });

      const [old, newer, older] = mockItems;

      expect(vm.sortEnvironments(mockItems)).toEqual([older, newer, old]);
    });

    it('should break ties by name', () => {
      const mockItems = [
        {
          name: 'old',
          isFolder: false,
        },
        {
          name: 'new',
          isFolder: false,
        },
        {
          folderName: 'older',
          isFolder: true,
        },
      ];

      vm = mountComponent(Component, {
        environments: mockItems,
        canReadEnvironment: true,
        ...eeOnlyProps,
      });

      const [old, newer, older] = mockItems;

      expect(vm.sortEnvironments(mockItems)).toEqual([older, newer, old]);
    });
  });

  describe('sortedEnvironments', () => {
    it('it should sort children as well', () => {
      const mockItems = [
        {
          name: 'production',
          last_deployment: null,
        },
        {
          name: 'review/225addcibuildstatus',
          isFolder: true,
          folderName: 'review',
          isOpen: true,
          children: [
            {
              name: 'review/225addcibuildstatus',
              last_deployment: {
                created_at: '2019-01-17T16:26:15.125Z',
              },
            },
            {
              name: 'review/master',
              last_deployment: {
                created_at: '2019-02-17T16:26:15.125Z',
              },
            },
          ],
        },
        {
          name: 'staging',
          last_deployment: {
            created_at: '2019-01-17T16:26:15.125Z',
          },
        },
      ];
      const [production, review, staging] = mockItems;
      const [addcibuildstatus, master] = mockItems[1].children;

      vm = mountComponent(Component, {
        environments: mockItems,
        canReadEnvironment: true,
        ...eeOnlyProps,
      });

      expect(vm.sortedEnvironments.map(env => env.name)).toEqual([
        review.name,
        staging.name,
        production.name,
      ]);

      expect(vm.sortedEnvironments[0].children).toEqual([master, addcibuildstatus]);
    });
  });
});