import * as github from "@actions/github";
import * as toolcache from '@actions/tool-cache';
import test from 'ava';
import nock from 'nock';
import * as path from 'path';
import sinon from 'sinon';


import * as api from './api-client';
import * as codeql from './codeql';
import * as defaults from './defaults.json'; // Referenced from codeql-action-sync-tool!
import { Language } from './languages';
import { getRunnerLogger } from './logging';
import {setupTests} from './testing-utils';
import * as util from './util';


setupTests(test);

test('download and populate codeql bundle cache', async t => {

  await util.withTmpDir(async tmpDir => {
    const versions = ['20200601', '20200610'];
    const languages: Language[][] = [
      [Language.cpp],
      [Language.cpp, Language.python] // Multi-language requires the full bundle
    ];

    const platform = process.platform === 'win32' ? 'win64' :
                     process.platform === 'linux' ? 'linux64' :
                     process.platform === 'darwin' ? 'osx64' : undefined;

    for (let i = 0; i < versions.length; i++) {
      for (let j = 0; j < languages.length; j++) {
        const version = versions[i];
        const plVersion = (languages[j].length === 1) ? `${platform}-${languages[j][0]}` : undefined;


        nock('https://example.com')
          .get(`/download/codeql-bundle-${version}/codeql-bundle.tar.gz`)
          .replyWithFile(200, path.join(__dirname, `/../src/testdata/codeql-bundle.tar.gz`));

        await codeql.setupCodeQL(
          `https://example.com/download/codeql-bundle-${version}/codeql-bundle.tar.gz`,
          languages[j],
          'token',
          'https://github.example.com',
          tmpDir,
          tmpDir,
          'runner',
          getRunnerLogger(true));

        const toolcacheVersion = plVersion ? `0.0.0-${version}-${plVersion}` : `0.0.0-${version}`;
        t.assert(toolcache.find('CodeQL', toolcacheVersion), `Looking for ${toolcacheVersion}`);
      }
    }

    const cachedVersions = toolcache.findAllVersions('CodeQL');
    t.is(cachedVersions.length, 4);
  });
});


test('download small codeql bundle if analyzing only one language', async t => {
  // Note: We do not specify a codeqlURL in this test, thus testing that
  //       the logic for constructing the URL takes into account the
  //       language being analyzed
  await util.withTmpDir(async tmpDir => {
    const languages: Language[][] = [
      [Language.cpp],
      [Language.cpp, Language.python] // Multi-language requires the full bundle
    ];

    const platform = process.platform === 'win32' ? 'win64' :
                     process.platform === 'linux' ? 'linux64' :
                     process.platform === 'darwin' ? 'osx64' : undefined;

    for (let i = 0; i < languages.length; i++) {
      const plVersion = (languages[i].length === 1) ? `${platform}-${languages[i][0]}` : undefined;
      const pkg = plVersion ? `codeql-bundle-${plVersion}.tar.gz` : 'codeql-bundle.tar.gz';

      // Mock the API client
      let client = new github.GitHub('123');
      const response = {
        data: {
          'assets': [
            {
              'name': `codeql-bundle-${platform}-cpp.tar.gz`,
              'url': `https://github.example.com/url/codeql-bundle-${platform}-cpp.tar.gz`
            },
            {
              'name': 'codeql-bundle.tar.gz',
              'url': 'https://github.example.com/url/codeql-bundle.tar.gz'
            },
          ]
        },
      };
      sinon.stub(client.repos, "getReleaseByTag").resolves(response as any);
      sinon.stub(api, "getApiClient").value(() => client);

      nock('https://github.example.com')
        .get(`/url/${pkg}`)
        .replyWithFile(200, path.join(__dirname, `/../src/testdata/codeql-bundle.tar.gz`));

      await codeql.setupCodeQL(
        undefined,
        languages[i],
        'token',
        'https://github.example.com',
        tmpDir,
        tmpDir,
        'runner',
        getRunnerLogger(true));

      const parsedVersion = codeql.getCodeQLURLVersion(`/${defaults.bundleVersion}/`, getRunnerLogger(true));
      const toolcacheVersion = plVersion ? `${parsedVersion}-${plVersion}` : parsedVersion;
      t.assert(toolcache.find('CodeQL', toolcacheVersion), `Looking for ${toolcacheVersion} - ${plVersion}`);
    }

    const cachedVersions = toolcache.findAllVersions('CodeQL');
    t.is(cachedVersions.length, 2);
  });
});


test('use full codeql bundle cache if smaller bundle is not available', async t => {
  // If we look for a platform-language version but find the full bundle in the cache,
  // we use the full bundle
  await util.withTmpDir(async tmpDir => {
    const version = '20200601';

    nock('https://example.com')
      .get(`/download/codeql-bundle-${version}/codeql-bundle.tar.gz`)
      .replyWithFile(200, path.join(__dirname, `/../src/testdata/codeql-bundle.tar.gz`));

    await codeql.setupCodeQL(
      `https://example.com/download/codeql-bundle-${version}/codeql-bundle.tar.gz`,
      [],
      'token',
      'https://github.example.com',
      tmpDir,
      tmpDir,
      'runner',
      getRunnerLogger(true));

    t.assert(toolcache.find('CodeQL', `0.0.0-${version}`));
    t.is(toolcache.findAllVersions('CodeQL').length, 1);

    // Now try to request the cpp version, and see that we do not change the cache
    await codeql.setupCodeQL(
      `https://example.com/download/codeql-bundle-${version}/codeql-bundle.tar.gz`,
      [Language.cpp],
      'token',
      'https://github.example.com',
      tmpDir,
      tmpDir,
      'runner',
      getRunnerLogger(true));

    t.assert(toolcache.find('CodeQL', `0.0.0-${version}`));
    t.is(toolcache.findAllVersions('CodeQL').length, 1);

  });
});

test('use larger bundles if smaller ones are not released', async t => {
  // Mock the API client
  let client = new github.GitHub('123');
  const response = {
    data: {
      'assets': [
        { 'name': 'full-bundle', 'url': 'url/file.gz' },
      ]
    },
  };
  let getReleaseByTagMock = sinon.stub(client.repos, "getReleaseByTag").resolves(response as any);
  sinon.stub(api, "getApiClient").value(() => client);

  // Setting this env is required by a dependency of getCodeQLBundleDownloadURL
  process.env['RUNNER_TEMP'] = "abc";

  let codeqlURL = await codeql.getCodeQLBundleDownloadURL(
    ['small-bundle', 'full-bundle'],
    "",
    "",
    'actions',
    getRunnerLogger(true));

  t.deepEqual(codeqlURL, 'url/file.gz');
  t.assert(getReleaseByTagMock.called);
});

test('parse codeql bundle url version', t => {

  const tests = {
    '20200601': '0.0.0-20200601',
    '20200601.0': '0.0.0-20200601.0',
    '20200601.0.0': '20200601.0.0',
    '1.2.3': '1.2.3',
    '1.2.3-alpha': '1.2.3-alpha',
    '1.2.3-beta.1': '1.2.3-beta.1',
    '20200601-linux64-python': '0.0.0-20200601-linux64-python',
  };

  for (const [version, expectedVersion] of Object.entries(tests)) {
    const url = `https://github.com/.../codeql-bundle-${version}/...`;

    try {
      const parsedVersion = codeql.getCodeQLURLVersion(url, getRunnerLogger(true));
      t.deepEqual(parsedVersion, expectedVersion);
    } catch (e) {
      t.fail(e.message);
    }
  }
});

test('getExtraOptions works for explicit paths', t => {
  t.deepEqual(codeql.getExtraOptions({}, ['foo'], []), []);

  t.deepEqual(codeql.getExtraOptions({foo: [42]}, ['foo'], []), ['42']);

  t.deepEqual(codeql.getExtraOptions({foo: {bar: [42]}}, ['foo', 'bar'], []), ['42']);
});

test('getExtraOptions works for wildcards', t => {
  t.deepEqual(codeql.getExtraOptions({'*': [42]}, ['foo'], []), ['42']);
});

test('getExtraOptions works for wildcards and explicit paths', t => {
  let o1 = {'*': [42], foo: [87]};
  t.deepEqual(codeql.getExtraOptions(o1, ['foo'], []), ['42', '87']);

  let o2 = {'*': [42], foo: [87]};
  t.deepEqual(codeql.getExtraOptions(o2, ['foo', 'bar'], []), ['42']);

  let o3 = {'*': [42], foo: { '*': [87], bar: [99]}};
  let p = ['foo', 'bar'];
  t.deepEqual(codeql.getExtraOptions(o3, p, []), ['42', '87', '99']);
});

test('getExtraOptions throws for bad content', t => {
  t.throws(() => codeql.getExtraOptions({'*': 42}, ['foo'], []));

  t.throws(() => codeql.getExtraOptions({foo: 87}, ['foo'], []));

  t.throws(() => codeql.getExtraOptions({'*': [42], foo: { '*': 87, bar: [99]}}, ['foo', 'bar'], []));
});