// Setup some varibles
var profiles;
var connections = [];
var active_profile;
var active_chat;

// Load the profiles
fs.readFile("profiles.json", "utf-8", function(err, data)
{
  try
  {
    // Throw an error if there is one
    if(err) throw err;

    // Try to load it from the data
    profiles = JSON.parse(data);
  }

  catch(e)
  {
    // Set the profiles varible to its default value
    profiles = [];
  }

  // Reload the profiles
  profiles_reload();

  // Connect to all the profiles
  for(var i=0;i<profiles.length;i++)
  {
    // Connect to the server
    profile_connect(i);
  }

  document.getElementById("server-menu-profiles").style.bottom =
  document.getElementById("server-menu-config").style.height;
});

function profiles_export()
{
  // Write the data to the profiles file
  fs.writeFileSync("profiles.json", JSON.stringify(profiles));
}

function profile_save()
{
  // Get the values from the form
  var hostname = document.getElementById("edit_profile_hostname").value;
  var port = document.getElementById("edit_profile_port").value;
  var username = document.getElementById("edit_profile_username").value;
  var password = document.getElementById("edit_profile_password").value;
  var proxy_host = document.getElementById("edit_profile_proxy_hostname").value;
  var proxy_port = document.getElementById("edit_profile_proxy_port").value;
  var mode = document.getElementById("edit_profile_mode").value;

  // Create the profile structure
  var profile = {
    hostname: hostname,
    port: port,
    username: username,
    password: password,
    mode: mode
  };

  // Is this socks5 mode
  if(mode == "socks5")
  {
    // Create a proxy structure
    profile.proxy = {
      hostname: proxy_host,
      port: parseInt(proxy_port)
    };
  }

  // Push the profile
  profiles.push(profile);

  // Write the data to the profiles file
  profiles_export();

  // Reload the profiles
  profiles_reload();

  // Start a connection
  profile_connect(profiles.length-1);
}

function profile_connect(id)
{
  // Is the profile set
  if(profiles[id])
  {
    // Allocate some varibles for reusing from an old connection
    /*var client;
    var rsa_task;

    // Is there a connection here
    if(connections[id])
    {
      // Reuse some varibles
      var client = connections[id].client;
      var rsa_task = connections[id].rsa_task;
      console.log("rescued");
    }

    console.log("clirsa", client, rsa_task)*/

    // Reconnect to the server
    connections[id] = connect(profiles[id], id);

    // Set the old varibles
    /*connections[id].client = client;
    connections[id].rsa_task = rsa_task;*/
  }

  else
  {
    // Set an empty connection
    connections[id] = undefined;
  }
}

function port_display(i)
{
  // Should the port be displayed
  var port_display = "";

  // Is the port not the default port
  if(profiles[i].port != PORT_DEFAULT)
  {
    // Set the port display varible
    port_display = ":"+profiles[i].port.toString();
  }

  return port_display;
}

function title(id) {
  return profiles[id].username+"@"+profiles[id].hostname+port_display(id);
}

function profile_switch_to(id)
{
  // Set the active profile
  active_profile = id;

  // Create a chats menu
  var chats_menu = "";

  // Loop over the chats
  for(var i=0;i<connections[id].chats.length;i++)
  {
    // Add to the chats menu
    chats_menu += "<li><a href='#' onclick=chat_switch_to("+i+")>"
    +connections[id].chats[i].name+"</a></li>";
  }

  // Create a users menu
  var users_menu = "";

  // Loop over the users
  var users_array = Object.keys(connections[id].users);
  for(var i=0;i<users_array.length;i++)
  {
    // Add to the chats menu
    users_menu += "<li><a href='#'>"+users_array[i]+"</a></li>";
  }

  // Set the html data
  document.getElementById("chat-main").innerHTML = "\
  <div id='chats-menu' class='menu-vertical'>\
    <ul>\
      "+chats_menu+"\
      <li><a class='add-chat' href='#' onclick='add_chat_menu()'><b>Add</b></a></li>\
    </ul>\
  </div>\
  <div id='chat-area'>\
  </div>\
  <div id='users-menu' class='menu-vertical'>\
    <ul>"+users_menu+"</ul>\
  </div>\
  ";

  // Set the title
  document.title = title(id);
}

function chat_switch_to(id)
{
  // Create the chat html
  var chat_html = "";

  // Setup some memory varibles
  var last_chat_user = "";
  var last_chat_date = "";

  // Loop over the messages
  for(var i=0;i<connections[active_profile].chats[id].messages.length;i++)
  {
    // Set the sender class
    var sender_class = "";

    if(
      // Is the message sent by this user
      connections[active_profile].chats[id].messages[i].from ==
      connections[active_profile].username
    ){
      // Set the sender class
      sender_class = " sender";
    }

    // Setup the message header varible
    var message_header = "";

    // Get the date
    var date = new Date(connections[active_profile].chats[id].messages[i].date);
    date = (
      (date.getMonth()+1)+"/"+
      date.getDate()+"/"+
      date.getFullYear()+" - "+
      date.getHours()+":"+
      fixInt(date.getMinutes(), 2)
    );

    // Should the chat header be included
    if(
      last_chat_user != connections[active_profile].chats[id].messages[i].from ||
      last_chat_date != date
    ){
      // Set the memory varibles
      last_chat_user = connections[active_profile].chats[id].messages[i].from;
      last_chat_date = date;

      // Include the message header
      message_header = "<p class='message-header'><b>"+
      connections[active_profile].chats[id].messages[i].from+
      "</b> "+date+"</p>";
    }

    // Add some html data to the chat
    chat_html += "\
    <div class='chat-content-message"+sender_class+"'>"+message_header+"\
      <div><p>"+text_to_html(connections[active_profile].chats[id].messages[i].message)+"</p></div>\
    </div>\
    ";
  }

  // Set the HTML
  document.getElementById("chat-area").innerHTML = "\
  <div id='chat-content'>"+chat_html+"</div>\
  <div id='chat-content-send'>\
    <textarea id='chat-content-send-textarea'></textarea>\
    <button id='chat-content-send-button' onclick='chat_send()'>Send</button>\
  </div>\
  ";

  // Set the title
  document.title = title(active_profile)+" - "
  +connections[active_profile].chats[id].name;

  // Set the active chat
  active_chat = id;

  var next = function()
  {
    // Get the chat content element
    var chat_content = document.getElementById("chat-content");

    // Scroll to the bottom of the div
    chat_content.scrollTop = chat_content.scrollHeight;

    // Focus the text area
    document.getElementById("chat-content-send-textarea").focus();
  }

  // Register this to happen when shift enter is pressed in the textarea
  $("#chat-content-send-textarea").on('keydown', function(event)
  {
    // Is the keypress an enter
    if(event.keyCode == 13)
    {
      // Is shift pressed
      if(event.shiftKey)
      {
        // Submit the form
        chat_send();
      }
    }
  });

  // Try to scroll to the bottom of the div
  next();
  setTimeout(next,1);
}

function chat_send()
{
  // Get the message
  var message = document.getElementById("chat-content-send-textarea").value;

  // Get the date
  var date = new Date();

  // Remove some data from the date
  date.setMilliseconds(0);
  date.setSeconds(0);

  // Is the message not empty and isnt a newline
  if(message.length > 0 && message != "\n")
  {
    // Send the message
    socket_write(
      connections[active_profile].client,
      connections[active_profile].encryption,
      {
        mode: "send_message",
        channel: active_chat,
        message: message,
        date: Date.parse(date)
      }
    );
  }

  // Clear the textarea
  document.getElementById("chat-content-send-textarea").value = "";

  // Focus the text area really soon
  setTimeout(function()
  {
    // Focus the text area
    document.getElementById("chat-content-send-textarea").focus();
  }, 10);
}

function add_chat_menu()
{
  // Set the html data
  document.getElementById("chat-area").innerHTML = "\
  <p>\
    <table>\
      <tr><td>Name</td><td><input type='text' id='add-chat-name'></td></tr>\
    </table>\
    <button onclick='add_chat()'>Add</button>\
  </p>\
  ";
}

function add_chat()
{
  // Send the data to the server
  socket_write(
    connections[active_profile].client,
    connections[active_profile].encryption,
    {
      mode: "new_chat",
      name: document.getElementById('add-chat-name').value
    }
  );
}

function profiles_reload()
{
  // Get the chat menu id
  var chat_menu = document.getElementById("server-menu-profiles");

  // Reset it
  chat_menu.innerHTML = "";

  // Loop over the profiles
  for(var i=0;i<profiles.length;i++)
  {
    // Is the profile defined
    if(profiles[i])
    {
      // Create a list item
      var profile = document.createElement("li");

      // Create the disabled class
      var disabled_class = "class='disabled'";

      // Is there a connection to the server
      if(connections[i])
      {
        // Is the connection logged in
        if(connections[i].logged_in)
        {
          // Remove the disabled class and make the link clickable
          disabled_class = "href='#' onclick='profile_switch_to("+i+")'";
        }
      }

      // Set the html for the list item
      profile.innerHTML = "<a "+disabled_class+" id='profile_button_"+i+"'>"+title(i)+"</a>";

      // Add the profile to the menu
      chat_menu.appendChild(profile);
    }
  }
}

function edit_profile_mode_update()
{
  // Get the mode
  var mode = document.getElementById("edit_profile_mode").value;

  // Is the mode direct
  if(mode == "direct")
  {
    // Clear the extra settings
    $(".edit_profile_proxy_section").addClass("off");
    $(".edit_profile_proxy_section").removeClass("on");
  }

  // Is the mode socks5
  if(mode == "socks5")
  {
    // Set some extra settings
    $(".edit_profile_proxy_section").addClass("on");
    $(".edit_profile_proxy_section").removeClass("off");
  }
}

function switch_new_profile()
{
  // Set the html
  document.title = "New Profile";
  document.getElementById("chat-main").innerHTML = "\
  <p>New Profile:</p>\
  <p>\
    <table>\
      <tr><td>Hostname</td><td><input type='text' id='edit_profile_hostname'></td></tr>\
      <tr><td>Port</td><td><input type='text' id='edit_profile_port' value='22068'></td></tr>\
      <tr><td>Username</td><td><input type='text', id='edit_profile_username'></td></tr>\
      <tr><td>Password</td><td><input type='password' id='edit_profile_password'></td></tr>\
      <tr><td>Mode</td><td>\
        <select id='edit_profile_mode' onclick='edit_profile_mode_update()'>\
          <option value='direct'>Direct</option>\
          <option value='socks5'>Socks5</option>\
        </select>\
      </td></tr>\
      <tr class='edit_profile_proxy_section off'><td>Proxy Host</td><td>\
        <input type='text' id='edit_profile_proxy_hostname' value='localhost'></td></tr>\
      <tr class='edit_profile_proxy_section off'><td>Proxy Port</td><td>\
        <input type='text' id='edit_profile_proxy_port' value='9050'></td></tr>\
    </table>\
    <button onclick='profile_save()'>Save Profile</button>\
  </p>\
  ";
}