/**
* Copyright Microsoft Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

import path from 'path';
import { calculateSha1 } from 'playwright-core/lib/utils';
import type { Suite, TestCase } from './test';
import type { FullProjectInternal } from './types';

export function filterTests(suite: Suite, filter: (test: TestCase) => boolean): boolean {
  suite.suites = suite.suites.filter(child => filterTests(child, filter));
  suite.tests = suite.tests.filter(filter);
  const entries = new Set([...suite.suites, ...suite.tests]);
  suite._entries = suite._entries.filter(e => entries.has(e)); // Preserve the order.
  return !!suite._entries.length;
}

export function buildFileSuiteForProject(project: FullProjectInternal, suite: Suite, repeatEachIndex: number): Suite {
  const relativeFile = path.relative(project.testDir, suite.location!.file).split(path.sep).join('/');
  const fileId = calculateSha1(relativeFile).slice(0, 20);

  // Clone suite.
  const result = suite._deepClone();
  result._fileId = fileId;

  // Assign test properties with project-specific values.
  result.forEachTest((test, suite) => {
    suite._fileId = fileId;
    const repeatEachIndexSuffix = repeatEachIndex ? ` (repeat:${repeatEachIndex})` : '';
    // At the point of the query, suite is not yet attached to the project, so we only get file, describe and test titles.
    const testIdExpression = `[project=${project._id}]${test.titlePath().join('\x1e')}${repeatEachIndexSuffix}`;
    const testId = fileId + '-' + calculateSha1(testIdExpression).slice(0, 20);
    test.id = testId;
    test.repeatEachIndex = repeatEachIndex;
    test._projectId = project._id;
    test.retries = project.retries;
    for (let parentSuite: Suite | undefined = suite; parentSuite; parentSuite = parentSuite.parent) {
      if (parentSuite._retries !== undefined) {
        test.retries = parentSuite._retries;
        break;
      }
    }
    // We only compute / set digest in the runner.
    if (test._poolDigest)
      test._workerHash = `${project._id}-${test._poolDigest}-${repeatEachIndex}`;
  });

  return result;
}