// Imports
import * as path from 'path';
import {helper as h} from './helper';

// Tests
h.runForAllSupportedSchemes((scheme, port) => describe(`nginx (on ${scheme.toUpperCase()})`, () => {
  const hostname = h.nginxHostname;
  const host = `${hostname}:${port}`;
  const pr = '9';
  const sha9 = '9'.repeat(40);
  const sha0 = '0'.repeat(40);

  beforeEach(() => jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000);
  afterEach(() => h.cleanUp());


  describe(`pr<pr>-<sha>.${host}/*`, () => {

    beforeEach(() => {
      h.createDummyBuild(pr, sha9);
      h.createDummyBuild(pr, sha0);
    });


    it('should return /index.html', done => {
      const origin = `${scheme}://pr${pr}-${sha9}.${host}`;
      const bodyegex = new RegExp(`^PR: ${pr} | SHA: ${sha9} | File: /index\\.html$`);

      Promise.all([
        h.runCmd(`curl -iL ${origin}/index.html`).then(h.verifyResponse(200, bodyegex)),
        h.runCmd(`curl -iL ${origin}/`).then(h.verifyResponse(200, bodyegex)),
        h.runCmd(`curl -iL ${origin}`).then(h.verifyResponse(200, bodyegex)),
      ]).then(done);
    });


    it('should return /foo/bar.js', done => {
      const bodyegex = new RegExp(`^PR: ${pr} | SHA: ${sha9} | File: /foo/bar\\.js$`);

      h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha9}.${host}/foo/bar.js`).
        then(h.verifyResponse(200, bodyegex)).
        then(done);
    });


    it('should respond with 403 for directories', done => {
      Promise.all([
        h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha9}.${host}/foo/`).then(h.verifyResponse(403)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha9}.${host}/foo`).then(h.verifyResponse(403)),
      ]).then(done);
    });


    it('should respond with 404 for unknown paths', done => {
      h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha9}.${host}/foo/baz.css`).
        then(h.verifyResponse(404)).
        then(done);
    });


    it('should respond with 404 for unknown PRs/SHAs', done => {
      const otherPr = 54321;
      const otherSha = '8'.repeat(40);

      Promise.all([
        h.runCmd(`curl -iL ${scheme}://pr${pr}9-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${otherPr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha9}9.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}-${otherSha}.${host}`).then(h.verifyResponse(404)),
      ]).then(done);
    });


    it('should respond with 404 if the subdomain format is wrong', done => {
      Promise.all([
        h.runCmd(`curl -iL ${scheme}://xpr${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://prx${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://xx${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://p${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://r${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${pr}-${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}_${sha9}.${host}`).then(h.verifyResponse(404)),
      ]).then(done);
    });


    it('should reject PRs with leading zeros', done => {
      h.runCmd(`curl -iL ${scheme}://pr0${pr}-${sha9}.${host}`).
        then(h.verifyResponse(404)).
        then(done);
    });


    it('should accept SHAs with leading zeros (but not ignore them)', done => {
      const bodyegex = new RegExp(`^PR: ${pr} | SHA: ${sha0} | File: /index\\.html$`);

      Promise.all([
        h.runCmd(`curl -iL ${scheme}://pr${pr}-0${sha9}.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://pr${pr}-${sha0}.${host}`).then(h.verifyResponse(200, bodyegex)),
      ]).then(done);
    });

  });


  describe(`${host}/health-check`, () => {

    it('should respond with 200', done => {
      Promise.all([
        h.runCmd(`curl -iL ${scheme}://${host}/health-check`).then(h.verifyResponse(200)),
        h.runCmd(`curl -iL ${scheme}://${host}/health-check/`).then(h.verifyResponse(200)),
      ]).then(done);
    });


    it('should respond with 404 if the path does not match exactly', done => {
      Promise.all([
        h.runCmd(`curl -iL ${scheme}://${host}/health-check/foo`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/health-check-foo`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/health-checknfoo`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/foo/health-check`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/foo-health-check`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/foonhealth-check`).then(h.verifyResponse(404)),
      ]).then(done);
    });

  });


  describe(`${host}/create-build/<pr>/<sha>`, () => {

    it('should disallow non-POST requests', done => {
      const url = `${scheme}://${host}/create-build/${pr}/${sha9}`;

      Promise.all([
        h.runCmd(`curl -iLX GET ${url}`).then(h.verifyResponse([405, 'Not Allowed'])),
        h.runCmd(`curl -iLX PUT ${url}`).then(h.verifyResponse([405, 'Not Allowed'])),
        h.runCmd(`curl -iLX PATCH ${url}`).then(h.verifyResponse([405, 'Not Allowed'])),
        h.runCmd(`curl -iLX DELETE ${url}`).then(h.verifyResponse([405, 'Not Allowed'])),
      ]).then(done);
    });


    it(`should reject files larger than ${h.uploadMaxSize}B (according to header)`, done => {
      const headers = `--header "Content-Length: ${1.5 * h.uploadMaxSize}"`;
      const url = `${scheme}://${host}/create-build/${pr}/${sha9}`;

      h.runCmd(`curl -iLX POST ${headers} ${url}`).
        then(h.verifyResponse([413, 'Request Entity Too Large'])).
        then(done);
    });


    it(`should reject files larger than ${h.uploadMaxSize}B (without header)`, done => {
      const filePath = path.join(h.buildsDir, 'snapshot.tar.gz');
      const url = `${scheme}://${host}/create-build/${pr}/${sha9}`;

      h.writeFile(filePath, {size: 1.5 * h.uploadMaxSize});

      h.runCmd(`curl -iLX POST --data-binary "@${filePath}" ${url}`).
        then(h.verifyResponse([413, 'Request Entity Too Large'])).
        then(done);
    });


    it('should pass requests through to the upload server', done => {
      h.runCmd(`curl -iLX POST ${scheme}://${host}/create-build/${pr}/${sha9}`).
        then(h.verifyResponse(400, /Missing or empty 'X-FILE' header/)).
        then(done);
    });


    it('should respond with 404 for unknown paths', done => {
      const cmdPrefix = `curl -iLX POST ${scheme}://${host}`;

      Promise.all([
        h.runCmd(`${cmdPrefix}/foo/create-build/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/foo-create-build/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/fooncreate-build/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/create-build/foo/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/create-build-foo/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/create-buildnfoo/${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/create-build/pr${pr}/${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/create-build/${pr}/${sha9}42`).then(h.verifyResponse(404)),
      ]).then(done);
    });


    it('should reject PRs with leading zeros', done => {
      h.runCmd(`curl -iLX POST ${scheme}://${host}/create-build/0${pr}/${sha9}`).
        then(h.verifyResponse(404)).
        then(done);
    });


    it('should accept SHAs with leading zeros (but not ignore them)', done => {
      const cmdPrefix = `curl -iLX POST  ${scheme}://${host}/create-build/${pr}`;
      const bodyRegex = /Missing or empty 'X-FILE' header/;

      Promise.all([
        h.runCmd(`${cmdPrefix}/0${sha9}`).then(h.verifyResponse(404)),
        h.runCmd(`${cmdPrefix}/${sha0}`).then(h.verifyResponse(400, bodyRegex)),
      ]).then(done);
    });

  });


  describe(`${host}/*`, () => {

    it('should respond with 404 for unkown URLs (even if the resource exists)', done => {
      ['index.html', 'foo.js', 'foo/index.html'].forEach(relFilePath => {
        const absFilePath = path.join(h.buildsDir, relFilePath);
        h.writeFile(absFilePath, {content: `File: /${relFilePath}`});
      });

      Promise.all([
        h.runCmd(`curl -iL ${scheme}://${host}/index.html`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://foo.${host}/index.html`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://foo.${host}/`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://foo.${host}`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/foo.js`).then(h.verifyResponse(404)),
        h.runCmd(`curl -iL ${scheme}://${host}/foo/index.html`).then(h.verifyResponse(404)),
      ]).then(done);
    });

  });

}));