//init globals
//var seekBar;
var textArea;
var Video;
var filePath = false;
var videoListener;

$(document).ready(function() {
                var loadingIcon = new Ox.LoadingIcon({
                        size: "medium"
                    })
                    .css({
                        marginLeft: "4px"
                    });
                var mainMenu = new Ox.MainMenu({
                    extras: [],
                    menus: [
                        {
                            id: "speedtrans",
                            title: "Pad.ma",
                            items: [
                                { id: "about", title: "About" },
                                {},
                                { id: "contact", title: "Contact"}
                            ]
                        },
                        {
                            id: "video",
                            title: "Video",
                            items: [
                                { id: "loadvideo", title: "Load Ogg Video"},
                                {},
                                { id: "convertvideo", title: "Convert and load Video" }
                            ]
                        },
                        {
                            id: "srt",
                            title: "Subtitles",
                            items: [
                                { id: "load", title: "Open" },
                                { id: "save", title: "Save" },
                                { id: "save_as", title: "Save As..."}
                            ]
                        },
                        {
                            id: "export",
                            title: "Export",
                            items: [
                                { id: "export_srt", title: "Export Srt" },
                                { id: "export_encore", title: "Export Adobe Encore Subtitle Format" },
                                {},
                                { id: "add_time", title: "Add / Subtract time and export" }
                            ]
                        },
                        {
                            id: "help",
                            title: "Help",
                            items: [
                                { id: "help", title: "Help" }
                            ]
                        }
                    ],
                    size: "large"
                });
  mainMenu.css({'position': 'absolute', 'top': '0px', 'left': '0px', 'width': '90%'}).appendTo('body');
  Ox.Event.bind(null, "click_loadvideo", function() {
    var videoFile = selectFile();
    filePath = getFileNameSansExt(videoFile);
    var srtTxtFilename = filePath + ".srt.txt";
    var srtFilename = filePath + ".srt";
    var metaFilename = filePath + ".txt";
    if (checkFileExists(srtTxtFilename)) {
      loadSrtTxt(srtTxtFilename);
      } else if (checkFileExists(srtFilename)) {
      loadSrt(srtFilename);
      }
    if (checkFileExists(metaFilename)) {
      loadMeta(metaFilename);
      }
    $('#video').attr("src", "file://" + videoFile);
    document.getElementById("video").load();
    $('#video').one("loadedmetadata", function() {
//      $('#selectFileDiv').fadeOut();
      Video = new VideoPlayer();
      Video.init("video");  
//        
//      seekBar = new SeekBar("seekBar"); 
      Video.setDuration(Video.player.duration);  
      $('#insertTc').click(textArea.insertTc);
/*      $('#video').click(function() {
        Video.togglePause();
        });
*/
      $('#video').dblclick(function() {
        textArea.insertTc();
        });
      videoListener = setInterval(Video.listener, 250);
      });
    });

  Ox.Event.bind(null, "click_about", function() {
    stDialog("About", "This is about us");
    });
  Ox.Event.bind(null, "click_help", function() {
    var html = "Shortcuts: <br /><br /> \
      Esc: Pause / Unpause <br /> \
      Insert: Insert time-code<br /> \
      PageUp / PageDown: Volume Up / Down<br /> \
      Double-click in Textarea: insert time-code <br /> \
      Double-click on video: insert time-code<br /> \
      Double-click on time-code in textarea: Seek video to time-code. <br />"
    stDialog("Help", html);
    });
  textArea = new TextArea("txt");
  $('#saveFile').click(saveFile);
  $('#saveSrt').click(saveSrt);
  $('#addTime').click(function() {
    var timeToAdd = npt2ms($.trim($('#timeToAdd').val()));
    var startNo = parseInt($('#startNo').val());
    var r = textArea.addTime(timeToAdd, startNo);
    $('#addTimeResult').val(r);
    });
  $('#showMore').toggle(function() {
    $(this).text("Show Less Features");
    $('#additionalFeatures').show("fast");
    }, function() {
    $(this).text("Show More Features");
    $('#additionalFeatures').hide("fast");
    });
  $('#saveEncore').click(saveEncore);
  $('#selectFile').click(function() {

    });
 
  $(document).keyup(function(e) {
    //Esc
    if (e.keyCode == 27 && textArea.hasFocus) {
      Video.togglePause();
      }
    //Ins
    if (e.keyCode == 45) {
      if (!textArea.isTc()) {
        textArea.insertTc();
        }
      }
    //Ctrl - Seek Back
    if (e.keyCode == 17) {
      var seekTime = parseInt(parseFloat($('#seekTime').val()) * 1000);
      var currTime = Video.get();
      var newTime = currTime - seekTime;
      Video.set(newTime);
      }
    //Alt - Seek Fwd.
    if (e.keyCode == 18) {
      var seekTime = parseInt(parseFloat($('#seekTime').val()) * 1000);
      var currTime = Video.get();
      var newTime = currTime + seekTime;
      Video.set(newTime);
      }

    //Space - togglePause if no focus on TA
    if (e.keyCode == 32 && textArea.hasFocus == false) {
      Video.togglePause();
      }

    //PageUp - volume Up:
    if (e.keyCode == 33) {
      Video.volUp();
      return false;
      }

    if (e.keyCode == 34) {
      Video.volDown();
      return false;
      }
    });

  $('#fillMeta').click(function() {
    $('#txtWrapper').hide();
    $('#eventMetadata').show();
    });
  $('#doneMetadata').click(function() {
    $('#eventMetadata').hide();
    $('#txtWrapper').show();
    });
  $('.eventMeta').each(function() {
    var defVal = $(this).attr('data-default');
    $(this).val(defVal);
    $(this).focus(function() {
      if ($(this).val() == $(this).attr("data-default")) {
        $(this).val('');
        }
      }).blur(function() {
      if ($(this).val() == '') {
        $(this).val($(this).attr('data-default'));
        }
      });
    });
  });

function saveFile() {
  var savePath = filePath + ".srt.txt";
  var content = $('#txt').val();
  if (mozillaSaveFile(savePath, content)) {
    alert("saved file at " + savePath);
    } else {
    alert("error saving file");
    }
  }

function saveSrt() {
  var srtPath = filePath + ".srt";
  var content = textArea.toSrt();
  if (mozillaSaveFile(srtPath, content)) {
    alert("export .srt file to " + srtPath);
    } else {
    alert("error exporting srt");
    }
  }

function saveEncore() {
  var encPath = filePath + ".enc.txt";
  var content = textArea.toSrt("enc");
  if (mozillaSaveFile(encPath, content)) {
    alert("saved encore compatible subtitle file at " + encPath);
    } else {
    alert("error creating encore compatible subtitle file");
    }
  }

function stDialog(titleTxt, text) {                  
  var dialog = new Ox.Dialog({
    buttons:
      [
        { value: "Close", click: function() { dialog.close(); } }
      ],
      title: titleTxt
    }).append(text);              
    dialog.open();
    return dialog;
  }