var help_text = Array();
help_text["daily_deduction"] = "<p>Enter the number of hours deducted for each day's leave.</p><p>This will normally be 8 hours per day if you work 5 days a week, otherwise 10 hours. Some older contracts may have different values.</p>";
help_text["average_hrs"] = "<p>Enter the average non-call hours worked per week.</p><p>This is generally 10 hours per day, i.e. 40 hours if you work 4 days per week, 50 hours if 5 days etc.</p><p>If you asymmetrical weeks, enter the average across those weeks.</p>";
help_text["staff_id_number"] = "<p>Enter your Waikato DHB staff ID number. <br/>If you don't have one yet, enter 99999.</p>";
help_text["cell_number"] = "<p>Please enter your mobile phone number, excluding spaces. If overseas, please enter in international format e.g. 614XXXXXXXX for Australia.</p>";


function ajax_error_handler(xhr, status, exception)
{
  alert("Ajax error " + exception);
}

function verify_field(elem)
{
  if($(elem).val() != "" ) $(elem).removeClass('input_error');
}

function show_info_message(elem)
{
	var help_item = $(elem).attr("id");
	var pos = $(elem).position();
	if(help_text[help_item] != undefined)
	{
		$("#ajax_box").html(help_text[help_item]);
		$("#ajax_box").css("width", 400);
		$("#ajax_box").css("text-align", "left");
		var box_height = $("#ajax_box").outerHeight();
		$("#ajax_box").css("top", pos.top - box_height);
		$("#ajax_box").css("left", pos.left);
		$("#ajax_box").css("display", "block");

	}
}

function hide_info_message()
{
  $("#ajax_box").html("");
  $("#ajax_box").css("display", "none");
}

function get_amion_data(elem)
{
  var amion_id = $(elem).val();
  if(amion_id == 0)
  {
	$("#user_data").css('display', 'block');
  }	else {
    $("#msg_box").removeClass("segment");
    $("#msg_box").addClass("message_info");
    $("#msg_box").html("<p>Retrieving data from amion <img src='/leavemanager/images/bluespin.gif'>" + "</p>");
    $("#msg_box").css("display", "block");
    var data = "amion_id=" + amion_id;
  $.ajax({
     type: 'POST',
	 url: '/leavemanager/backend/ajax_amion_detail_json.php',
	 data: data,
	 success: handle_amion_detail_json,
	 error: json_amion_detail_error,
	 dataType: 'json'
	});
  }
}

function handle_amion_detail_json(t)
{
  $("#msg_box").html("<p>Data received, processing...</p>");
  $("#msg_box").addClass("message_info");
  $("#user_data").css("display", "block");
  if(t.dhb_id != undefined) { $('#staff_id').val(t.dhb_id) } else { $('#staff_id').val("") }
  if(t.position != undefined) { $('#position').val(t.position) } else { $('#position').val("") }
  if(t.firstname != undefined) { $('#firstname').val(t.firstname) } else { $('#firstname').val("") }
  if(t.surname != undefined) { $('#surname').val(t.surname) } else { $('#surname').val("") }
  if(t.cell != undefined) { $('#cellphone').val(t.cell) } else { $('#cellphone').val("") }
  if(t.email != undefined) { $('#email').val(t.email) } else { $('#email').val("") }
  if(t.avg_hrs != undefined)
  {
      $('#avg_hrs').val(t.avg_hrs);
      hrs = parseInt(t.avg_hrs);
      if(hrs == 50)
      {
	      $('#deduct_hrs').val(8);
      } else {
	      $('#deduct_hrs').val(10);

      }
  } else {
      $('#avg_hrs').val("");
	  $('#deduct_hrs').val(10);
  }


  $("#msg_box").html("<p>Please check and complete any missing details below before proceeding.</p>");
  $("#password, #confirm_pwd").val("");
}

function json_amion_detail_error(xhr, status, exception)
{
  $("#msg_box").html("<p>Unable to load user detail:</p><br><code>" + exception + "</code>");
  $("#msg_box").addClass("message_error");
  $("#main").css("display", "block");
}

function ajax_signup_json()
{
  if($('#submit_form').val() == "update") {
    $('#update').val('true');
  } else {
    $('#update').val('false');
  }
  var data = $('#signup').serialize();

  $("#msg_box").html("<p>Saving your details...</p>");
  $.ajax({
     type: 'POST',
	 url: '/leavemanager/backend/ajax_signup_json.php',
	 data: data,
	 success: handle_signup_saved_json,
	 error: json_signup_save_error,
	 dataType: 'json'
	});
  $("#main").css("display", "none");
  $("#msg_box").removeClass("segment");
  $("#msg_box").addClass("message_info");
  $("#msg_box").html("<p>Just a moment while we check your details and sign you up to the system...</p>");
  $("#msg_box").css("display", "block");
}

function ajax_signin_json()
{
   var data = "username=" + $('#email').val();
   data = data + "&password=" + $('#password').val();
   data = data + "&loggingin=true&screenwidth=0&screenheight=0&colourdepth=0";
   data = data + "&logintype=ajax";
  $.ajax({
     type: 'POST',
     url: '/leavemanager/backend/login.php',
	 data: data,
	 success: handle_signin_json,
	 error: json_signin_error,
	 dataType: 'json'
	});
}

function json_signin_error(xhr, status, exception)
{
  $("#msg_box").html("<p>Unable to sign in:</p><br><code>" + exception + "</code>");
  $("#msg_box").addClass("message_error");
  $("#main").css("display", "block");
}

function handle_signin_json(t)
{
  $("#msg_box").html("<p>Sign in successful</p>");
  $("#msg_box").removeClass("message_error").addClass("message_info");
  $("#main").css("display", "block");
  window.open('/leavemanager/index.php', '_self');
}

function json_signup_save_error(xhr, status, exception)
{
  $("#msg_box").html("<p>Unable to save data:</p><br><code>" + exception + "</code>");
  $("#msg_box").addClass("message_error");
  $("#main").css("display", "block");
}

function handle_signup_saved_json(t)
{
  $("#msg_box").css("display", "block");
  $("#main").css("display", "block");

  if(t.success)
  {

    var username = $('#firstname').val();
  	if($("#submit_form").value=="update")
	{
      htm = "<p>Thanks " + username + ", your details have been updated</p>";
	} else {
      htm = "<p>Thanks " + username + ", you're all signed up</p><p>Give me a moment and I'll log you in</p>";
	}
    $("#msg_box").html(htm);
    $("#msg_box").removeClass("message_error");
    $("#user_data").css('display', 'none');
    $("#welcome_message").css("display", "none");
    ajax_signin_json();
  } else {
    //there was an error
	htm = '<p>Sorry, I was unable to save your details</p><div class="tiny">';
	htm += '<p>Please fix the following errors then click &quot;Sign me up&quot; again:<ul>';
	for(i=0; i <t.errors.length; i++)
	{
	  field = t.errors[i].field;
	  if(t.errors[i].error != undefined)
	  {
	    msg = t.errors[i].error;
        htm += "<li>" + msg + "</li>";
      }
      if($('#' + field))
	  {
        $('#' + field).addClass("input_error");
      }
	}
	htm += "</ul></p><p>Problematic fields are highlighted.</p>";

	htm += "</div>";

    $("#msg_box").html(htm);

    $("#msg_box").addClass("message_error");
    window.scrollTo(0, 0);
  }
}