$(document).ready(function() {
  $('#new_topic_post').submit(function() {
    return validate_post();
  })

  $("#user_display_name").keyup(function(){
   if(typeof(window.delayer) != 'undefined')
      clearTimeout(window.delayer);
   window.delayer = setTimeout(check_display_name, 250);
  });


  <% if @page_id %>
    show_post();
  <% end %>

});

var editing_id = null;
var use_markdown_editor = <%= use_markdown_editor %>;

function user_edit_post(post_id) {
  if (editing_id!=null) {
    $('#popup_form').remove();
  }
  var bod = $('#body_'+post_id);
  bod.append('<div id="popup_form"></div>');
  div = $('#popup_form');
  if (use_markdown_editor) {
    div.append('Post: <div style="width:95%; z-index: 0;" id="topic_post_body_edit"></div>');
    $('#topic_post_body_edit').load("/forums/post/"+post_id+"?editor=1");
  }  
  else {
    div.append('Post: <textarea style="width:95%;" rows="18" id="topic_post_body_edit"></textarea>');
    $('#topic_post_body_edit').load("/forums/post/"+post_id);
  }

  $('div#posts div.edit').hide();
  div.append('<br/><input type="button" onClick="user_save_edit();" value="Save"/>');
  $('#topic_post_body_edit').load("/forums/post/"+post_id);
  editing_id = post_id;
}


function user_save_edit() {
  var id = editing_id;
  var bod;
  if (use_markdown_editor) {
    bod = get_editor_by_name('topic_post_body_edit').getValue();
    deregister_editor_by_name('topic_post_body_edit');
  } 
  else {
    bod = $('#topic_post_body_edit').val();
  }

  $('#popup_form').remove();
  editing_id = null;

  $.ajax({
    type: 'put',
    url: '/forums/post/' + id,
    data: {body: bod}, 
    success: function(data) {
      $('#body_'+id).html( data.bod );
      $('#edits_'+id).html( data.edits );
    }
  });
}

function check_display_name() {
  var name = $('#user_display_name').val();

  if (name!='') {
    $.post("/user/check_display_name", { "name" : name }, function(data) {
      if (data==='') {
        
      } 
      else {
        $('#display_name_message').html(data); 
      }
    });
  }
}


function preview_post() {
  var bod = $('#topic_post_body').val();
  $.post('/forum/post/preview', { body : bod }, function(data) {
    $('#preview').html(data);
    $('#preview').slideDown();
  });
}
function send_this_form() {
  $('.this_post_form').submit();
}

function show_post() {
  $('#set_display_name').slideDown();
  $('#add_post').slideDown(); 
  $('#new_thread_link').hide();
  $('#topic_post_body').focus();	
  $('#topic_post_title').focus();
}

function validate_post() {
  var msgbody = "";

  if (use_markdown_editor) {
    var editor = get_editor_by_name("topic_post[body]");
    msgbody = editor.getValue();
  }
  else {
    msgbody = $('#topic_post_body').val();
  }

  if (msgbody.length<2) {
    alert("You must write something!");
    return false;
  }
  <% if thread==nil %>
    var titl = $('#topic_post_title');
    if (titl) {
      if (titl.val().length<2) {
        alert("You must give your post a title");
        return false;
      }
      if (titl.val().length>200) {
        alert("Your post title cannot exceed 200 characters");
        return false;
      }
    }
  <% end %>	
  $('#topic_post_submit').val('Saving...');
  $('#topic_post_submit').attr('disabled', true);
  return true;
}

function favourite_thread(thread_id, user_id) {
  $.post('/forums/thread/' + thread_id + '/favourite', null, function(result) {
    $('#favourite_link a').text(result);
  });
}

function rating_done(post_id) {
  $('#post_' + post_id + " .right .rate").html("Rated.  Thanks!");
}

function rating_dupe(post_id) {
  $('#post_' + post_id + " .right .rate").html("Already rated");
}