// 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.

var common = require('../common');
var assert = require('assert');
var spawn = require('child_process').spawn;

var args = [ common.fixturesDir + '/clustered-server/app.js' ];
var child = spawn(process.execPath, args, {
  stdio: [ 'pipe', 'pipe', 'pipe', 'ipc' ]
});
var outputLines = [];
var outputTimerId;
var waitingForDebuggers = false;

var pids = null;

child.stderr.on('data', function(data) {
  var lines = data.toString().replace(/\r/g, '').trim().split('\n');
  var line = lines[0];

  lines.forEach(function(ln) { console.log('> ' + ln) } );

  if (outputTimerId !== undefined)
    clearTimeout(outputTimerId);

  if (waitingForDebuggers) {
    outputLines = outputLines.concat(lines);
    outputTimerId = setTimeout(onNoMoreLines, 800);
  } else if (line === 'all workers are running') {
    child.on('message', function(msg) {
      if (msg.type !== 'pids')
        return;

      pids = msg.pids;
      console.error('got pids %j', pids);

      waitingForDebuggers = true;
      process._debugProcess(child.pid);
    });

    child.send({
      type: 'getpids'
    });
  }
});

function onNoMoreLines() {
  assertOutputLines();
  process.exit();
}

setTimeout(function testTimedOut() {
  assert(false, 'test timed out.');
}, 6000);

process.on('exit', function onExit() {
  pids.forEach(function(pid) {
    process.kill(pid);
  });
});

function assertOutputLines() {
  var expectedLines = [
    'Starting debugger agent.',
    'Debugger listening on port ' + 5858,
    'Starting debugger agent.',
    'Debugger listening on port ' + 5859,
    'Starting debugger agent.',
    'Debugger listening on port ' + 5860,
  ];

  // Do not assume any particular order of output messages,
  // since workers can take different amout of time to
  // start up
  outputLines.sort();
  expectedLines.sort();

  assert.equal(outputLines.length, expectedLines.length);
  for (var i = 0; i < expectedLines.length; i++)
    assert.equal(outputLines[i], expectedLines[i]);
}