system = require 'system'
fs = require 'fs'
path = require 'path'
page = require('webpage').create()

page.settings.userAgent = 'phantom'

# ensure that the elements we test the link hints on are actually visible
page.viewportSize =
  width: 900
  height: 600

page.onConsoleMessage = (msg) ->
  console.log msg

page.onError = (msg, trace) ->
  console.log(msg)
  trace.forEach (item) ->
    console.log('  ', item.file, ':', item.line)

page.onResourceError = (resourceError) ->
  console.log(resourceError.errorString)

page.onCallback = (request) ->
  switch request.request
    when "keyboard"
      switch request.key
        when "escape"
          page.sendEvent "keydown", page.event.key.Escape
          page.sendEvent "keyup", page.event.key.Escape
        when "enter"
          page.sendEvent "keydown", page.event.key.Enter
          page.sendEvent "keyup", page.event.key.Enter
        when "tab"
          page.sendEvent "keydown", page.event.key.Tab
          page.sendEvent "keyup", page.event.key.Tab
        when "shift-down"
          page.sendEvent "keydown", page.event.key.Shift
        when "shift-up"
          page.sendEvent "keyup", page.event.key.Shift
        when "ctrl-down"
          page.sendEvent "keydown", page.event.key.Control
        when "ctrl-up"
          page.sendEvent "keyup", page.event.key.Control
        else
          page.sendEvent "keypress", request.key

testfile = path.join(path.dirname(system.args[0]), 'dom_tests.html')
page.open testfile, (status) ->
  if status != 'success'
    console.log 'Unable to load tests.'
    phantom.exit 1

  runTests = ->
    testsFailed = page.evaluate ->
      Tests.run()
      return Tests.testsFailed

    if system.args[1] == '--coverage'
      data = page.evaluate -> JSON.stringify _$jscoverage
      fs.write dirname + 'dom_tests_coverage.json', data, 'w'

    if testsFailed > 0
      phantom.exit 1
    else
      phantom.exit 0

  # We add a short delay to allow asynchronous initialization (that is, initialization which happens on
  # "nextTick") to complete.
  setTimeout runTests, 10