import { Tree } from '@angular-devkit/schematics';
import { createEmptyWorkspace } from '@nrwl/workspace/testing';
import * as stripJsonComments from 'strip-json-comments';
import { readJsonInTree, NxJson } from '@nrwl/workspace';
import { runSchematic } from '../../utils/testing';

import { Schema } from './schema';

describe('app', () => {
  let appTree: Tree;

  beforeEach(() => {
    appTree = Tree.empty();
    appTree = createEmptyWorkspace(appTree);
  });

  describe('not nested', () => {
    it('should update workspace.json', async () => {
      const tree = await runSchematic('app', { name: 'myApp' }, appTree);
      const workspaceJson = readJsonInTree(tree, '/workspace.json');

      expect(workspaceJson.projects['my-app'].root).toEqual('apps/my-app');
      expect(workspaceJson.projects['my-app-e2e'].root).toEqual(
        'apps/my-app-e2e'
      );
      expect(workspaceJson.defaultProject).toEqual('my-app');
    });

    it('should update nx.json', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', tags: 'one,two' },
        appTree
      );
      const nxJson = readJsonInTree<NxJson>(tree, '/nx.json');
      expect(nxJson.projects).toEqual({
        'my-app': {
          tags: ['one', 'two'],
        },
        'my-app-e2e': {
          tags: [],
          implicitDependencies: ['my-app'],
        },
      });
    });

    it('should generate files', async () => {
      const tree = await runSchematic('app', { name: 'myApp' }, appTree);
      expect(tree.exists('apps/my-app/src/main.ts')).toBeTruthy();
      expect(tree.exists('apps/my-app/src/app/app.element.ts')).toBeTruthy();
      expect(
        tree.exists('apps/my-app/src/app/app.element.spec.ts')
      ).toBeTruthy();
      expect(tree.exists('apps/my-app/src/app/app.element.css')).toBeTruthy();

      const tsconfig = readJsonInTree(tree, 'apps/my-app/tsconfig.json');
      expect(tsconfig.references).toEqual([
        {
          path: './tsconfig.app.json',
        },
        {
          path: './tsconfig.spec.json',
        },
      ]);

      const tsconfigApp = JSON.parse(
        stripJsonComments(tree.readContent('apps/my-app/tsconfig.app.json'))
      );
      expect(tsconfigApp.compilerOptions.outDir).toEqual('../../dist/out-tsc');
      expect(tsconfigApp.extends).toEqual('./tsconfig.json');

      const linter = JSON.parse(
        stripJsonComments(tree.readContent('apps/my-app/.eslintrc.json'))
      );
      expect(linter.extends).toEqual('../../.eslintrc.json');

      expect(tree.exists('apps/my-app-e2e/cypress.json')).toBeTruthy();
      const tsconfigE2E = JSON.parse(
        stripJsonComments(tree.readContent('apps/my-app-e2e/tsconfig.e2e.json'))
      );
      expect(tsconfigE2E.compilerOptions.outDir).toEqual('../../dist/out-tsc');
      expect(tsconfigE2E.extends).toEqual('./tsconfig.json');
    });
  });

  describe('nested', () => {
    it('should update workspace.json', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', directory: 'myDir' },
        appTree
      );
      const workspaceJson = readJsonInTree(tree, '/workspace.json');

      expect(workspaceJson.projects['my-dir-my-app'].root).toEqual(
        'apps/my-dir/my-app'
      );
      expect(workspaceJson.projects['my-dir-my-app-e2e'].root).toEqual(
        'apps/my-dir/my-app-e2e'
      );
    });

    it('should update nx.json', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', directory: 'myDir', tags: 'one,two' },
        appTree
      );
      const nxJson = readJsonInTree<NxJson>(tree, '/nx.json');
      expect(nxJson.projects).toEqual({
        'my-dir-my-app': {
          tags: ['one', 'two'],
        },
        'my-dir-my-app-e2e': {
          tags: [],
          implicitDependencies: ['my-dir-my-app'],
        },
      });
    });

    it('should generate files', async () => {
      const hasJsonValue = ({ path, expectedValue, lookupFn }) => {
        const content = tree.readContent(path);
        const config = JSON.parse(stripJsonComments(content));

        expect(lookupFn(config)).toEqual(expectedValue);
      };
      const tree = await runSchematic(
        'app',
        { name: 'myApp', directory: 'myDir' },
        appTree
      );

      // Make sure these exist
      [
        'apps/my-dir/my-app/src/main.ts',
        'apps/my-dir/my-app/src/app/app.element.ts',
        'apps/my-dir/my-app/src/app/app.element.spec.ts',
        'apps/my-dir/my-app/src/app/app.element.css',
      ].forEach((path) => {
        expect(tree.exists(path)).toBeTruthy();
      });

      // Make sure these have properties
      [
        {
          path: 'apps/my-dir/my-app/tsconfig.app.json',
          lookupFn: (json) => json.compilerOptions.outDir,
          expectedValue: '../../../dist/out-tsc',
        },
        {
          path: 'apps/my-dir/my-app-e2e/tsconfig.e2e.json',
          lookupFn: (json) => json.compilerOptions.outDir,
          expectedValue: '../../../dist/out-tsc',
        },
        {
          path: 'apps/my-dir/my-app/.eslintrc.json',
          lookupFn: (json) => json.extends,
          expectedValue: '../../../.eslintrc.json',
        },
      ].forEach(hasJsonValue);
    });

    it('should create Nx specific template', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', directory: 'myDir' },
        appTree
      );
      expect(
        tree.readContent('apps/my-dir/my-app/src/app/app.element.ts')
      ).toBeTruthy();
      expect(
        tree.readContent('apps/my-dir/my-app/src/app/app.element.ts')
      ).toContain('Thank you for using and showing some ♥ for Nx.');
    });
  });

  describe('--style scss', () => {
    it('should generate scss styles', async () => {
      const result = await runSchematic(
        'app',
        { name: 'myApp', style: 'scss' },
        appTree
      );
      expect(result.exists('apps/my-app/src/app/app.element.scss')).toEqual(
        true
      );
    });
  });

  it('should setup jest without serializers', async () => {
    const tree = await runSchematic(
      'app',
      {
        name: 'my-App',
      },
      appTree
    );

    expect(tree.readContent('apps/my-app/jest.config.js')).not.toContain(
      `'jest-preset-angular/build/AngularSnapshotSerializer.js',`
    );
  });

  it('should setup the nrwl web build builder', async () => {
    const tree = await runSchematic(
      'app',
      {
        name: 'my-App',
      },
      appTree
    );
    const workspaceJson = readJsonInTree(tree, 'workspace.json');
    const architectConfig = workspaceJson.projects['my-app'].architect;
    expect(architectConfig.build.builder).toEqual('@nrwl/web:build');
    expect(architectConfig.build.options).toEqual({
      assets: ['apps/my-app/src/favicon.ico', 'apps/my-app/src/assets'],
      index: 'apps/my-app/src/index.html',
      main: 'apps/my-app/src/main.ts',
      outputPath: 'dist/apps/my-app',
      polyfills: 'apps/my-app/src/polyfills.ts',
      scripts: [],
      styles: ['apps/my-app/src/styles.css'],
      tsConfig: 'apps/my-app/tsconfig.app.json',
    });
    expect(architectConfig.build.configurations.production).toEqual({
      optimization: true,
      budgets: [
        {
          maximumError: '5mb',
          maximumWarning: '2mb',
          type: 'initial',
        },
      ],
      extractCss: true,
      extractLicenses: true,
      fileReplacements: [
        {
          replace: 'apps/my-app/src/environments/environment.ts',
          with: 'apps/my-app/src/environments/environment.prod.ts',
        },
      ],
      namedChunks: false,
      outputHashing: 'all',
      sourceMap: false,
      vendorChunk: false,
    });
  });

  it('should setup the nrwl web dev server builder', async () => {
    const tree = await runSchematic(
      'app',
      {
        name: 'my-App',
      },
      appTree
    );
    const workspaceJson = readJsonInTree(tree, 'workspace.json');
    const architectConfig = workspaceJson.projects['my-app'].architect;
    expect(architectConfig.serve.builder).toEqual('@nrwl/web:dev-server');
    expect(architectConfig.serve.options).toEqual({
      buildTarget: 'my-app:build',
    });
    expect(architectConfig.serve.configurations.production).toEqual({
      buildTarget: 'my-app:build:production',
    });
  });

  it('should setup the eslint builder', async () => {
    const tree = await runSchematic(
      'app',
      {
        name: 'my-App',
      },
      appTree
    );
    const workspaceJson = readJsonInTree(tree, 'workspace.json');

    expect(workspaceJson.projects['my-app'].architect.lint).toEqual({
      builder: '@nrwl/linter:eslint',
      options: {
        lintFilePatterns: ['apps/my-app/**/*.ts'],
      },
    });
  });

  describe('--prefix', () => {
    it('should use the prefix in the index.html', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', prefix: 'prefix' },
        appTree
      );

      expect(tree.readContent('apps/my-app/src/index.html')).toContain(
        '<prefix-root></prefix-root>'
      );
    });
  });

  describe('--unit-test-runner none', () => {
    it('should not generate test configuration', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', unitTestRunner: 'none' },
        appTree
      );
      expect(tree.exists('jest.config.js')).toBeFalsy();
      expect(tree.exists('apps/my-app/src/app/app.spec.ts')).toBeFalsy();
      expect(tree.exists('apps/my-app/tsconfig.spec.json')).toBeFalsy();
      expect(tree.exists('apps/my-app/jest.config.js')).toBeFalsy();
      const workspaceJson = readJsonInTree(tree, 'workspace.json');
      expect(workspaceJson.projects['my-app'].architect.test).toBeUndefined();
      expect(workspaceJson.projects['my-app'].architect.lint)
        .toMatchInlineSnapshot(`
        Object {
          "builder": "@nrwl/linter:eslint",
          "options": Object {
            "lintFilePatterns": Array [
              "apps/my-app/**/*.ts",
            ],
          },
        }
      `);
    });
  });

  describe('--e2e-test-runner none', () => {
    it('should not generate test configuration', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', e2eTestRunner: 'none' },
        appTree
      );
      expect(tree.exists('apps/my-app-e2e')).toBeFalsy();
      const workspaceJson = readJsonInTree(tree, 'workspace.json');
      expect(workspaceJson.projects['my-app-e2e']).toBeUndefined();
    });
  });

  describe('--babelJest', () => {
    it('should use babel for jest', async () => {
      const tree = await runSchematic(
        'app',
        { name: 'myApp', babelJest: true } as Schema,
        appTree
      );

      expect(tree.readContent(`apps/my-app/jest.config.js`))
        .toMatchInlineSnapshot(`
        "module.exports = {
          displayName: 'my-app',
          preset: '../../jest.preset.js',
          setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
          transform: {
            '^.+\\\\\\\\.[tj]s$': [
              'babel-jest',
              { cwd: __dirname, configFile: './babel-jest.config.json' },
            ],
          },
          moduleFileExtensions: ['ts', 'js', 'html'],
          coverageDirectory: '../../coverage/apps/my-app',
        };
        "
      `);

      expect(readJsonInTree(tree, 'apps/my-app/babel-jest.config.json'))
        .toMatchInlineSnapshot(`
        Object {
          "presets": Array [
            Array [
              "@babel/preset-env",
              Object {
                "targets": Object {
                  "node": "current",
                },
              },
            ],
            "@babel/preset-typescript",
          ],
        }
      `);
    });
  });
});
