// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
const common = require('../common');
const assert = require('assert');
const http = require('http');
const url = require('url');

const expectedRequests = ['/hello', '/there', '/world'];

const server = http.Server(common.mustCall(function(req, res) {
  assert.strictEqual(expectedRequests.shift(), req.url);

  switch (req.url) {
    case '/hello':
      assert.strictEqual(req.method, 'GET');
      assert.strictEqual(req.headers['accept'], '*/*');
      assert.strictEqual(req.headers['foo'], 'bar');
      assert.strictEqual(req.headers.cookie, 'foo=bar; bar=baz; baz=quux');
      break;
    case '/there':
      assert.strictEqual(req.method, 'PUT');
      assert.strictEqual(req.headers.cookie, 'node=awesome; ta=da');
      break;
    case '/world':
      assert.strictEqual(req.method, 'POST');
      assert.deepStrictEqual(req.headers.cookie, 'abc=123; def=456; ghi=789');
      break;
    default:
      assert(false, `Unexpected request for ${req.url}`);
  }

  if (expectedRequests.length === 0)
    this.close();

  req.on('end', function() {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.write('The path was ' + url.parse(req.url).pathname);
    res.end();
  });
  req.resume();
}, 3));
server.listen(0);

server.on('listening', function() {
  const agent = new http.Agent({ port: this.address().port, maxSockets: 1 });
  const req = http.get({
    port: this.address().port,
    path: '/hello',
    headers: {
      Accept: '*/*',
      Foo: 'bar',
      Cookie: [ 'foo=bar', 'bar=baz', 'baz=quux' ]
    },
    agent: agent
  }, common.mustCall(function(res) {
    const cookieHeaders = req._header.match(/^Cookie: .+$/img);
    assert.deepStrictEqual(cookieHeaders,
                           ['Cookie: foo=bar; bar=baz; baz=quux']);
    assert.strictEqual(res.statusCode, 200);
    let body = '';
    res.setEncoding('utf8');
    res.on('data', function(chunk) { body += chunk; });
    res.on('end', common.mustCall(function() {
      assert.strictEqual(body, 'The path was /hello');
    }));
  }));

  setTimeout(common.mustCall(function() {
    const req = http.request({
      port: server.address().port,
      method: 'PUT',
      path: '/there',
      agent: agent
    }, common.mustCall(function(res) {
      const cookieHeaders = req._header.match(/^Cookie: .+$/img);
      assert.deepStrictEqual(cookieHeaders, ['Cookie: node=awesome; ta=da']);
      assert.strictEqual(res.statusCode, 200);
      let body = '';
      res.setEncoding('utf8');
      res.on('data', function(chunk) { body += chunk; });
      res.on('end', common.mustCall(function() {
        assert.strictEqual(body, 'The path was /there');
      }));
    }));
    req.setHeader('Cookie', ['node=awesome', 'ta=da']);
    req.end();
  }), 1);

  setTimeout(common.mustCall(function() {
    const req = http.request({
      port: server.address().port,
      method: 'POST',
      path: '/world',
      headers: [ ['Cookie', 'abc=123'],
                 ['Cookie', 'def=456'],
                 ['Cookie', 'ghi=789'] ],
      agent: agent
    }, common.mustCall(function(res) {
      const cookieHeaders = req._header.match(/^Cookie: .+$/img);
      assert.deepStrictEqual(cookieHeaders,
                             ['Cookie: abc=123',
                              'Cookie: def=456',
                              'Cookie: ghi=789']);
      assert.strictEqual(res.statusCode, 200);
      let body = '';
      res.setEncoding('utf8');
      res.on('data', function(chunk) { body += chunk; });
      res.on('end', common.mustCall(function() {
        assert.strictEqual(body, 'The path was /world');
      }));
    }));
    req.end();
  }), 2);
});