// 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';
require('../common');
const assert = require('assert');

const net = require('net');

const N = 50;
let client_recv_count = 0;
let client_end_count = 0;
let disconnect_count = 0;

const server = net.createServer(function(socket) {
  console.error('SERVER: got socket connection');
  socket.resume();

  console.error('SERVER connect, writing');
  socket.write('hello\r\n');

  socket.on('end', function() {
    console.error('SERVER socket end, calling end()');
    socket.end();
  });

  socket.on('close', function(had_error) {
    console.log(`SERVER had_error: ${JSON.stringify(had_error)}`);
    assert.strictEqual(had_error, false);
  });
});

server.listen(0, function() {
  console.log('SERVER listening');
  const client = net.createConnection(this.address().port);

  client.setEncoding('UTF8');

  client.on('connect', function() {
    console.error('CLIENT connected', client._writableState);
  });

  client.on('data', function(chunk) {
    client_recv_count += 1;
    console.log(`client_recv_count ${client_recv_count}`);
    assert.strictEqual(chunk, 'hello\r\n');
    console.error('CLIENT: calling end', client._writableState);
    client.end();
  });

  client.on('end', function() {
    console.error('CLIENT end');
    client_end_count++;
  });

  client.on('close', function(had_error) {
    console.log('CLIENT disconnect');
    assert.strictEqual(had_error, false);
    if (disconnect_count++ < N)
      client.connect(server.address().port); // reconnect
    else
      server.close();
  });
});

process.on('exit', function() {
  assert.strictEqual(disconnect_count, N + 1);
  assert.strictEqual(client_recv_count, N + 1);
  assert.strictEqual(client_end_count, N + 1);
});