var cm;
var pfad = '';

function fm_init() {
  $('.codeeditor-space').hide();
  $('.code-editor-container').hide();
  $('#newTextFile').on('click', fm_menu_neue_textdatei);
  $('#saveFile').on('click', fm_menu_datei_speichern);
  $('#closeFile').on('click', fm_menu_datei_schliessen);
  $('#myModal').on('hidden.bs.modal', function (e) {
    $('#modal_ok').attr('onclick','').unbind('click');
  });
  $('#logout').click(fm_logout);  
  fm_get_login();
  fm_get_list('');
}

function fm_menu_neue_textdatei() {
  $('#dateiansicht').hide();
  $('.codeeditor-space').show();
  $('.code-editor-container').show();
  fm_code_edit('Test');
}

function fm_menu_datei_schliessen() {
  $('.codeeditor-space').hide();
  $('.code-editor-container').hide();
  cm.toTextArea();
  $('#dateiansicht').show();  
}

function fm_dateiwahl() {
  var elem = this;
  //console.log('datei gewaehlt ' + $(elem).text().trim());
  if($(elem).children(0).hasClass('fa-folder')) {
    var ordner = $(elem).text().trim();
    if(pfad.length > 0) {
      pfad = pfad + '/' + ordner;
    } else {
      pfad = ordner;
    }
    fm_get_list(pfad);
  } else if($(elem).children(0).hasClass('fa-file')) {
    $('.datei-gewaehlt').removeClass('datei-gewaehlt');
    $(elem).children(0).addClass('datei-gewaehlt');
  } else {
    //console.log('kein folder oder file...');
  }
}

/* ----- API Calls ------------- */

function fm_get_login() {
  var m = '?c=de.uhilger.um.pub.SessionManager&m=getSessionUser';
  var u = '../../um/pub' + m;
  fm_get(u, "json", function(resp) {
    $('#userMenu').text(resp.UserData.firstName);
  });  
}

// http://localhost:8079/file-cms/svc?c=de.uhilger.filecms.api.FileMgr&f=JSONNICE&m=list&p=
function fm_get_list(relPath) {
  var m = '?c=de.uhilger.filecms.api.FileMgr&m=list&p=' + relPath;
  var u = '../svc' + m;
  fm_get(u, "json", function(resp) {
    //if(resp)
    var files = new Array();
    for(var i = 0; i < resp.List[0].FileRef.length; i++) {
      files.push(new FileRef(resp.List[0].FileRef[i]));
    }
    var fl = new FileList(files);
    var template = $('#tpl-kacheln').html();
    Mustache.parse(template);   // optional, speeds up future uses
    $('.figure').attr('onclick','').unbind('click');
    $('#dateien').empty();
    $('#dateien').html(Mustache.render(template, fl));
    $('.figure').click(fm_dateiwahl);
    
    var dirList = new Array();
    var rp = '';
    var dirs = relPath.split('/');
    dirList.push(new BcrFile(rp, 'Home'))
    if(dirs.length > 0) {
      for(var i = 0; i < dirs.length; i++) {
        if(rp.length > 0 ) {
          dirList.push(new BcrFile(rp + '/' + dirs[i], dirs[i]));
        } else {
          dirList.push(new BcrFile(dirs[i], dirs[i]));
        }
      }
      var bl = new BcrFiles(dirList);
      var template = $('#tpl-bcr').html();
      Mustache.parse(template);   // optional, speeds up future uses
      $('#bcnav').empty();
      $('#bcnav').html(Mustache.render(template, bl));
      $('#bcnav').append($('#tpl-bcr2').html());
      $('#bcnav').append($('#tpl-bcr3').html());
    }
  });  
}

function fm_menu_datei_speichern() {
  
  $('#modal_ok').click(function() {
    // hier speichern
    var m = '?c=de.uhilger.filecms.api.FileMgr&m=saveTextFile';
    var u = '../svc' + m;
    fm_post(u, {p1: '', p2: $('#dateiname').val(), p3: cm.getValue()}, function(resp) {

    });
  });
  $('#saveModal').modal({
    keyboard: false,
    show: true
  });
  
  
  // FileRef saveTextFile(String relPath, String fileName, String contents)
  
  
  /*
  var t = new Template(-2, $('#filename').val(), self.cm.getValue(), 3);
  var u = '../api/tr/?c=de.uhilger.webbox.api.ContentApi&m=newTemplate';
  self.post(u, {p: self.serialise(t)}, function (resp) {
    self.isnew = false;
    self.editid = resp.Template.id;
    $('#contlist').append(self.buildContListItem(3, resp.Template.name, resp.Template.id));
    $('#templateeditor').addClass('hidden');
  });
  */
}

function fm_logout() {
  var m = '?c=de.uhilger.filecms.pub.SessionManager&m=expireSession';
  var u = '../pub' + m;
  
  fm_get(u, "text", function(resp) {
    $('#userMenu').text('nicht angemeldet');
    window.location.href = '../logout.html';
  });
}


/* ---- codemirror editor handling -------- */

function fm_code_edit(content) {
  //var windowHeight = $(window).height();
  //$("editspace").empty();
  //self.cm.toTextArea();

  cm = CodeMirror.fromTextArea(document.getElementById("editspace"), {
    lineNumbers: true,
    mode: "xml",
    viewportMargin : Infinity,
    extraKeys: {
        "F9": function(cm) {
        cm.setOption("fullScreen", !cm.getOption("fullScreen"));
      },
        "Esc": function(cm) {
        if (cm.getOption("fullScreen")) cm.setOption("fullScreen", false);
      }
    }
  });
  cm.setValue(content);
}



/* -------- helper functions ----------- */

function fm_get(u, dtype, scallback) {
  $.ajax({
    url: u,
    type: "GET",
    dataType: dtype,
    success: scallback,
    error: function (xhr, status, errorThrown) {
      alert("Error: " + errorThrown + " Status: " + status + " URL: " + u);
    },
    complete: function (xhr, status) {
      //console.log( "The request is complete!" );
    }

  });
}

function fm_post(u, d, scallback) {
  $.ajax({
    url: u,
    data: d,
    type: "POST",
    dataType: "json",
    success: scallback,
    error: function (xhr, status, errorThrown) {
      $('#fehler').html("Error: " + errorThrown + " Status: " + status);
    },
    complete: function (xhr, status) {
      //alert( "The request is complete!" );
    }
  });
}

function fm_serialise(obj) {
  return '{"' + obj.constructor.name + '":' + JSON.stringify(obj) + '}';
}

/* ----- Objekte ----- */

function FileList(fl) {
  this.files = fl;
}

function FileRef(obj) {
  var self = this;
  this.fr = obj;
  
  this.typeClass = function() {
    if(self.fr.isDirectory) {
      return 'fa-folder';
    } else {
      return 'fa-file';
    }
  }
}

function BcrFiles(fl) {
  this.files = fl;
}

function BcrFile(rp, n) {
  this.relPath = rp;
  this.fName = n;
}