/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import { EmptyTree } from '@angular-devkit/schematics';
import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/testing';
import { latestVersions } from '../../utility/latest-versions';
import { WorkspaceTargets } from '../../utility/workspace-models';

// tslint:disable-next-line: no-any
function getWorkspaceTargets(tree: UnitTestTree): any {
  return JSON.parse(tree.readContent(workspacePath))
    .projects['migration-test'].architect;
}

function updateWorkspaceTargets(tree: UnitTestTree, workspaceTargets: WorkspaceTargets) {
  const config = JSON.parse(tree.readContent(workspacePath));
  config.projects['migration-test'].architect = workspaceTargets;
  tree.overwrite(workspacePath, JSON.stringify(config, undefined, 2));
}

const workspacePath = '/angular.json';

// tslint:disable:no-big-function
describe('Migration to version 9', () => {
  describe('Migrate workspace config', () => {
    const schematicRunner = new SchematicTestRunner(
      'migrations',
      require.resolve('../migration-collection.json'),
    );

    let tree: UnitTestTree;

    beforeEach(async () => {
      tree = new UnitTestTree(new EmptyTree());
      tree = await schematicRunner
        .runExternalSchematicAsync(
          require.resolve('../../collection.json'),
          'ng-new',
          {
            name: 'migration-test',
            version: '1.2.3',
            directory: '.',
          },
          tree,
        )
        .toPromise();
    });

    describe('i18n configuration', () => {
      function getI18NConfig(localId: string): object {
        return {
          outputPath: `dist/my-project/${localId}/`,
          i18nFile: `src/locale/messages.${localId}.xlf`,
          i18nFormat: 'xlf',
          i18nLocale: localId,
        };
      }

      describe('when i18n builder options are set', () => {
        it(`should add '@angular/localize' as a dependency`, async () => {
          const config = getWorkspaceTargets(tree);
          config.build.options = getI18NConfig('fr');
          config.build.configurations.de = getI18NConfig('de');
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const { dependencies } = JSON.parse(tree2.readContent('/package.json'));
          expect(dependencies['@angular/localize']).toBe(latestVersions.Angular);
        });

        it(`should add 'localize' option in configuration`, async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options.aot = false;
          config.build.options = getI18NConfig('fr');
          config.build.configurations.de = getI18NConfig('de');
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.options.localize).toEqual(['fr']);
          expect(config.configurations.de.localize).toEqual(['de']);
        });

        it('should remove deprecated i18n options', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options.aot = false;
          config.build.options = getI18NConfig('fr');
          config.build.configurations.de = getI18NConfig('de');
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.options.i18nFormat).toBeUndefined();
          expect(config.options.i18nFile).toBeUndefined();
          expect(config.options.i18nLocale).toBeUndefined();
          expect(config.configurations.de.i18nFormat).toBeUndefined();
          expect(config.configurations.de.i18nFile).toBeUndefined();
          expect(config.configurations.de.i18nLocale).toBeUndefined();
        });

        it('should remove baseHref option when used with i18n options and no main base href', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.configurations.fr = { ...getI18NConfig('fr'), baseHref: '/fr/' };
          config.build.configurations.de = { ...getI18NConfig('de'), baseHref: '/abc/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.configurations.fr.baseHref).toBeUndefined();
          expect(config.configurations.de.baseHref).toBeUndefined();
        });

        it('should remove outputPath option when used with i18n options and contains locale code', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options.outputPath = 'dist';
          config.build.configurations.fr = { ...getI18NConfig('fr'), outputPath: 'dist/fr' };
          config.build.configurations.de = { ...getI18NConfig('de'), outputPath: '/dist/de/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.configurations.fr.outputPath).toBe('dist');
          expect(config.configurations.de.outputPath).toBe('/dist');
        });

        it('should keep old i18n options except format when output path is not supported', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options.outputPath = 'dist';
          config.build.configurations.fr = { ...getI18NConfig('fr'), outputPath: 'dist/abc' };
          config.build.configurations.de = { ...getI18NConfig('de'), outputPath: '/dist/123' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.configurations.fr.outputPath).toBe('dist/abc');
          expect(config.configurations.fr.i18nFormat).toBeUndefined();
          expect(config.configurations.fr.i18nFile).toBeDefined();
          expect(config.configurations.fr.i18nLocale).toBe('fr');
          expect(config.configurations.de.outputPath).toBe('/dist/123');
          expect(config.configurations.de.i18nFormat).toBeUndefined();
          expect(config.configurations.de.i18nFile).toBeDefined();
          expect(config.configurations.de.i18nLocale).toBe('de');
        });

        it('should keep baseHref option when not used with i18n options', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options = getI18NConfig('fr');
          config.build.configurations.de = getI18NConfig('de');
          config.build.configurations.staging = { baseHref: '/de/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.configurations.staging.baseHref).toBe('/de/');
        });

        it('should keep baseHref options when used with i18n options and main baseHref option', async () => {
          let config = getWorkspaceTargets(tree);
          config.build.options = { baseHref: '/my-app/' };
          config.build.configurations.de = { ...getI18NConfig('de'), baseHref: '/de/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2).build;
          expect(config.options.baseHref).toBe('/my-app/');
          expect(config.configurations.de.baseHref).toBe('/');
        });

        it('should remove deprecated extract-i18n options', async () => {
          let config = getWorkspaceTargets(tree);
          config['extract-i18n'].options.i18nFormat = 'xmb';
          config['extract-i18n'].options.i18nLocale = 'en-GB';
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          config = getWorkspaceTargets(tree2)['extract-i18n'];
          expect(config.options.i18nFormat).toBeUndefined();
          expect(config.options.i18nLocale).toBeUndefined();
          expect(config.options.format).toBe('xmb');
        });

        it(`should add i18n 'sourceLocale' project config when 'extract-i18n' 'i18nLocale' is defined`, async () => {
          const config = getWorkspaceTargets(tree);
          config.build.options.aot = false;
          config.build.options = getI18NConfig('fr');
          config['extract-i18n'].options.i18nLocale = 'en-GB';
          config.build.configurations.de = getI18NConfig('de');
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const projectConfig = JSON.parse(tree2.readContent(workspacePath)).projects['migration-test'];
          expect(projectConfig.i18n.sourceLocale).toBe('en-GB');
          expect(projectConfig.i18n.locales).toBeDefined();
        });

        it(`should add i18n 'locales' project config`, async () => {
          const config = getWorkspaceTargets(tree);
          config.build.configurations.fr = getI18NConfig('fr');
          config.build.configurations.de = getI18NConfig('de');
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const projectConfig = JSON.parse(tree2.readContent(workspacePath)).projects['migration-test'];
          expect(projectConfig.i18n.sourceLocale).toBeUndefined();
          expect(projectConfig.i18n.locales).toEqual({
            de: { translation: 'src/locale/messages.de.xlf', baseHref: '' },
            fr: { translation: 'src/locale/messages.fr.xlf', baseHref: '' },
          });
        });

        it(`should add i18n 'locales' project config when using baseHref options`, async () => {
          const config = getWorkspaceTargets(tree);
          config.build.configurations.fr = { ...getI18NConfig('fr'), baseHref: '/fr/' };
          config.build.configurations.de = { ...getI18NConfig('de'), baseHref: '/abc/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const projectConfig = JSON.parse(tree2.readContent(workspacePath)).projects['migration-test'];
          expect(projectConfig.i18n.sourceLocale).toBeUndefined();
          expect(projectConfig.i18n.locales).toEqual({
            de: { translation: 'src/locale/messages.de.xlf', baseHref: '/abc/' },
            fr: 'src/locale/messages.fr.xlf',
          });
        });

        it(`should add i18n 'locales' project config when using baseHref options and main base href`, async () => {
          const config = getWorkspaceTargets(tree);
          config.build.options = { baseHref: '/my-app/' };
          config.build.configurations.fr = { ...getI18NConfig('fr'), baseHref: '/fr/' };
          config.build.configurations.de = { ...getI18NConfig('de'), baseHref: '/abc/' };
          updateWorkspaceTargets(tree, config);

          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const projectConfig = JSON.parse(tree2.readContent(workspacePath)).projects['migration-test'];
          expect(projectConfig.i18n.sourceLocale).toBeUndefined();
          expect(projectConfig.i18n.locales).toEqual({
            de: { translation: 'src/locale/messages.de.xlf', baseHref: '/abc/' },
            fr: 'src/locale/messages.fr.xlf',
          });
        });
      });

      describe('when i18n builder options are not set', () => {
        it(`should not add 'localize' option`, async () => {
          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const config = getWorkspaceTargets(tree2).build;
          expect(config.options.localize).toBeUndefined();
          expect(config.configurations.production.localize).toBeUndefined();
        });

        it('should not add i18n project config', async () => {
          const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
          const projectConfig = JSON.parse(tree2.readContent(workspacePath)).projects['migration-test'];
          expect(projectConfig.i18n).toBeUndefined();
        });
      });
    });
  });
});
