function submitSearch(form) {
  if(form.q.value.length<3) {
    $('#recipe_count').html('<span class="type_error">Typ meer tekens<span>');
	$('#recipe_count').show();
  } else {
    $('#recipe_count').html('');
    form.submit();
  }
}

/*
var d = document;
var safari = (navigator.userAgent.toLowerCase().indexOf('safari') != -1) ? true : false;
var gebtn = function(parEl,child) { return parEl.getElementsByTagName(child); };
*/

onload = function() {
/*
  var body = gebtn(d,'body')[0];
  body.className = body.className && body.className != '' ? body.className + ' has-js' : 'has-js';
  
  if (!d.getElementById || !d.createTextNode) return;
  var ls = gebtn(d,'label');
  for (var i = 0; i < ls.length; i++) {
    var l = ls[i];
    if (l.className.indexOf('label_') == -1) continue;
    var inp = gebtn(l,'input')[0];
    if (l.className == 'label_check') {
      l.className = (safari && inp.checked == true || inp.checked) ? 'label_check c_on' : 'label_check c_off';
      l.onclick = check_it;
    };
    if (l.className == 'label_radio') {
      l.className = (safari && inp.checked == true || inp.checked) ? 'label_radio r_on' : 'label_radio r_off';
      l.onclick = turn_radio;
    };
  };
*/
	resize();

	var inp = document.getElementById('token-input-top_autocomplete_ings') || document.getElementById('token-input-autocomplete_ings');
	if (inp !== null)
		inp.onkeypress = function(event) {
			if (document.getElementsByClassName('token-input-token-facebook').length >= 1 && event.keyCode == 13)
				this.form.submit();
			else if (event.keyCode == 13)
				return false;
		}
};

var check_it = function() {
  var inp = gebtn(this,'input')[0];
  if (this.className == 'label_check c_off' || (!safari && inp.checked)) {
    this.className = 'label_check c_on';
    if (safari) inp.click();
  } else {
    this.className = 'label_check c_off';
    if (safari) inp.click();
  };
};

var turn_radio = function() {
  var inp = gebtn(this,'input')[0];
  if (this.className == 'label_radio r_off' || inp.checked) {
    var ls = gebtn(this.parentNode,'label');
    for (var i = 0; i < ls.length; i++) {
      var l = ls[i];
      if (l.className.indexOf('label_radio') == -1)  continue;
      l.className = 'label_radio r_off';
    };
    this.className = 'label_radio r_on';
    if (safari) inp.click();
  } else {
    this.className = 'label_radio r_off';
    if (safari) inp.click();
  };
};



function category_input(cat_search, url) {
  if (cat_search == 1) {
    document.top_search_form.action = url;
	document.top_search_form_ings.action = url;
  } else {
    document.top_search_form.action = "/";
	document.top_search_form_ings.action = "/";
  }
}

function category_input_ing(cat_search,url,cat_id) {	// gia radio buttons paliou - enallagh metaksy specific_categ search k root search
  if (cat_search==1) {
    document.top_search_form_ings.action = url;
    if(document.getElementById('top_autocomplete_ings').value != '')
      $.ajax({
         type: "POST",
         url: "/count_recipes.php",
         data: { ings: document.getElementById('top_autocomplete_ings').value, cat_id: cat_id },
         success:function(data) {
           if($(data).find('.result').html() != 'error')
             $('#recipe_count').html('Gevonden ' + $(data).find('.result').html() + ' recepten');
         }
      });
  } else {
    document.top_search_form_ings.action = "/";
    if(document.getElementById('top_autocomplete_ings').value != '')
      $.ajax({
         type: "POST",
         url: "/count_recipes.php",
         data: { ings: document.getElementById('top_autocomplete_ings').value, cat_id: '' },
         success:function(data) {
           if($(data).find('.result').html() != 'error')
             $('#recipe_count').html('Gevonden ' + $(data).find('.result').html() + ' recepten');
         }
      });
  }
}

function like(user_id,recipe_id) {
  $.ajax({
    type: "POST",
    url: "/like_action.php",
    data: { action: "like", user_id: user_id, recipe_id: recipe_id }
  });
  $('.like-'+recipe_id).hide();
  $('.unlike-'+recipe_id).show();
}

function unlike(user_id,recipe_id) {
  $.ajax({
    type: "POST",
    url: "/like_action.php",
    data: { action: "unlike", user_id: user_id, recipe_id: recipe_id }
  });
  $('.unlike-'+recipe_id).hide();
  $('.like-'+recipe_id).show();
}

function switch_filter_view(old_class,new_class) {
  $('.'+old_class).hide();
  $('.'+new_class).show();
}

function hide_show(hide_el,show_el) {
  $(hide_el).hide();
  $(show_el).show();
}

/**
  * Check if field is empty, focus and alert
  */
function HasMinChars(fld, min_chars) {
  if (min_chars === undefined)
    min_chars = 1;

  if (fld.value.length< min_chars) {
    var s = 'Verplicht veld';
    if (min_chars > 1)
      s += '. Typ tenminste ' + min_chars + ' tekens...';
    ShowError(fld, s);
    return false;
  }

  HideError(fld);
  return true;
}

/**
  * Display an error for a field
  */
function ShowError(fld, msg) {
  alert(msg);
  fld.focus();
  fld.style.borderColor = '#ff0000';
}

/**
  * Hide an error
  */
function HideError(fld) {
  fld.style.borderColor = '';
}

/**
  * Check for allowed username chars
  */
function IsUsername(str) {
  var re = /^[a-z0-9._+\-@]+$/i;
  f = str.match(re);

  return (f == str);
}

/**
  * Check for allowed password chars
  */
function IsPassword(str) {
  var re = /^[a-z0-9!@#$%^&*()_\-+=\[\]{}|;:,.<>?`~]+$/i;
  f = str.match(re);

  return (f == str);
}

/**
  * Check for valid email
  */
function IsEmail(str) {
  if (str.search(/^[A-Z0-9._+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i) == -1)
    return false;
  return true;
}

/**
  * Check for email existence
  */
function CheckEmail(asynchronous, current) {
  if (document.frm.email.value == current) {
    $('#check_email').html('');
    return;
  }

  $.ajax({
    type: 'GET',
    url: '/check_email.php',
    data: 'email=' + escape(document.frm.email.value),
    async: asynchronous,
    success: function(res) {
      $('#check_email').html(res);
    }
  });
}

/**
  * Check for username existence
  */
function CheckUsername(asynchronous, current) {
  if (document.frm.username.value == current) {
    $('#check_username').html('');
    return;
  }

  $.ajax({
    type: 'GET',
    url: '/check_username.php',
    data: 'username=' + escape(document.frm.username.value),
    async: asynchronous,
    success: function(res) {
      $('#check_username').html(res);
    }
  });
}

/**
  * Check for username existence
  */
function CheckOldPassword(asynchronous) {
  
  $.ajax({
    type: 'POST',
    url: '/check_oldpassword.php',
    data: {'oldpassword': document.frm.old_password.value, 'id': document.frm.id.value },
    async: asynchronous,
    success: function(res) {
      $('#check_password').html(res);
    }
  });
}

function newQuestionSubmit() {
  if (!HasMinChars(document.frm.question, 10)) return false;
  if (!HasMinChars(document.frm.email, 7)) return false;
  
  if (!IsEmail(document.frm.email.value)) {
    ShowError(document.frm.email, 'Verkeerde email');
    return false;
  } else
    HideError(document.frm.email);
    
  $('input:button').attr('disabled', 'true');
  document.frm.submit();
}

function newQuestion(question_form) {
  if (!HasMinChars(question_form.value_question, 10)) return false;
  if (!HasMinChars(question_form.value_email, 7)) return false;
  
  if (!IsEmail(question_form.value_email.value)) {
    ShowError(question_form.value_email, 'Verkeerde email');
    return false;
  } else
    HideError(question_form.value_email);
  
  $.ajax({
    type: 'POST',
    url: '/new_question.php',
    data: {'question': question_form.value_question.value, 'email': question_form.value_email.value, 'category_id': question_form.value_cat_id.value, 'cluster_id': question_form.value_cl.value},
    success: function(res) {
      question_form.value_question.value = '';
      $('#floating_window').hide();
      alert('Uw vraag is voorgelegd. U ontvangt per e-mail bericht als iemand anders reageert.');
    }
  });
}

function DoSubmitEdit() {
  if (!HasMinChars(document.frm.name, 4)) return false;
  if (!HasMinChars(document.frm.email, 7)) return false;
  
  if (document.frm.password.value != '')
    if (!HasMinChars(document.frm.password, 3)) return false;

  if (!IsEmail(document.frm.email.value)) {
    ShowError(document.frm.email, 'Verkeerde email');
    return false;
  } else
    HideError(document.frm.email);
  
  // server checks
  CheckEmail(false, document.frm.old_email.value);
  if (($('#check_email').html()) != '') {
    ShowError(document.frm.email, 'Selecteer een ander email adres');
    return false;
  } else
    HideError(document.frm.email);

  if(document.frm.password.value != '') {
    console.log('mpike');
    CheckOldPassword(false);
    if (($('#check_password').html()) != '') {
      ShowError(document.frm.old_password, 'Voer het juiste wachtwoord in');
      return false;
    } else
      HideError(document.frm.password);
    
    if (!IsPassword(document.frm.password.value)) {
      ShowError(document.frm.password, 'Toegestane tekens voor het wachtwod: a-z 0-9 . _ + - @');
      return false;
    } else
      HideError(document.frm.password);
    if (document.frm.password.value != document.frm.password2.value) {
      ShowError(document.frm.password2, 'Wachtwoorden komen niet overeen');
      return false;
    } else
      HideError(document.frm.password2);
  }
  
  $('input:button').attr('disabled', 'true');
  document.frm.submit();
}

function DoSubmit() {
  if (!HasMinChars(document.frm.name, 4)) return false;
  if (!HasMinChars(document.frm.email, 7)) return false;
  if (!HasMinChars(document.frm.username, 3)) return false;
  if (!HasMinChars(document.frm.password, 3)) return false;

  if (!IsEmail(document.frm.email.value)) {
    ShowError(document.frm.email, 'Verkeerde email');
    return false;
  } else
    HideError(document.frm.email);

  if (!IsUsername(document.frm.username.value)) {
    ShowError(document.frm.username, 'Toegestane tekens voor het wachtwod: a-z 0-9 . _ + - @');
    return false;
  } else
    HideError(document.frm.username);

  if (!IsPassword(document.frm.password.value)) {
    ShowError(document.frm.password, 'Toegestane tekens voor het wachtwod: a-z 0-9 . _ + - @');
    return false;
  } else
    HideError(document.frm.password);

  if (document.frm.password.value != document.frm.password2.value) {
    ShowError(document.frm.password2, 'Wachtwoorden komen niet overeen');
    return false;
  } else
    HideError(document.frm.password2);

  // server checks
  CheckEmail(false, '');
  if ($('#check_email').html().length > 2) {
    ShowError(document.frm.email, 'Selecteer een ander email adres');
    return false;
  } else
    HideError(document.frm.email);

  CheckUsername(false, '');
  if (($('#check_username').html()) > 2) {
    ShowError(document.frm.username, CHOOSE_ANOTHER_USERNAME);
    return false;
  } else
    HideError(document.frm.username);

  $('input:button').attr('disabled', 'true');
  document.frm.submit();
}

function DoSubmitSite() {
  if (!HasMinChars(document.frm.url, 4)) return false;
  if (!HasMinChars(document.frm.email, 4)) return false;
  
  if (!IsEmail(document.frm.email.value)) {
    ShowError(document.frm.email, 'Verkeerde email');
    return false;
  } else
    HideError(document.frm.email);
  
  $('input:button').attr('disabled', 'true');
  document.frm.submit();
}

function passSubmit() {
  if (!HasMinChars(document.newpass_form.password, 3)) return false;

  if (!IsPassword(document.newpass_form.password.value)) {
    ShowError(document.newpass_form.password, 'Toegestane tekens voor het wachtwod: a-z 0-9 . _ + - @');
    return false;
  } else
    HideError(document.newpass_form.password);

  if (document.newpass_form.password.value != document.newpass_form.password2.value) {
    ShowError(document.newpass_form.password2, 'Wachtwoorden komen niet overeen');
    return false;
  } else
    HideError(document.newpass_form.password2);

  $('input:button').attr('disabled', 'true');
  document.newpass_form.submit();
}

function login_submit() {
  $.ajax({
    type: 'POST',
    url: '/login.php',
    data: {'username': document.login_form.username.value, 'password': document.login_form.password.value},
    beforeSend: function() {
      $('#response').html("<img src='/images/loading2.gif' />");
    },
    success: function(res) {
      $('#response').html('');
      res = res.trim();
      if(res == 'ok') {
        document.login_form.submit();
        $('#boxclose').click();
      }
      if(res == 'error')
        $('#login-err').html('Verkeerde gebruikersnaam/wachtwoord');
      if(res == 'empty')
        $('#login-err').html('Voer uw Gebruikersnaam en Wachtwoord in');
    }
  });
}

function show_login() {
	$('#overlay').fadeIn('fast', function() {
		$('#login_box').animate({'top':'160px'},500);
		$('#login_input').focus();
		$(document).keyup(function(e) {
			if (e.keyCode == 27) { hide_login(); }   // esc
		});
	});
}

function hide_login() {
	$('#login_box').animate({'top':'-400px'}, 500, function(){
		$('#overlay').fadeOut('fast');
	});
}

function keycheck( e ) {
	if (e.keyCode == 27)
		hide_login();
}

function mail_pass() {
  $.ajax({
    type: 'POST',
    url: '/lost_pass.php',
    data: {'email': document.pass_form.email.value },
    success: function(res) {
      $('#response').html('');
      if(res == 'ok') {
        $('#lost-response').html('Mail met succes verzonden');
        document.pass_form.email.value = '';
      }
      if(res == 'not found')
        $('#lost-response').html('Het email adres wat u ingevoerd heeft is niet gevonden in ons gegevensbestand');
    }
  });
}

function placeholder_fix() {
  $('[placeholder]').focus(function() {
    var input = $(this);
    if (input.val() == input.attr('placeholder')) {
      input.val('');
      input.removeClass('placeholder');
    }
  }).blur(function() {
    var input = $(this);
    if (input.val() == '' || input.val() == input.attr('placeholder')) {
      input.addClass('placeholder');
      input.val(input.attr('placeholder'));
    }
  }).blur();
  
  $('[placeholder]').parents('form').submit(function() {
    $(this).find('[placeholder]').each(function() {
      var input = $(this);
      if (input.val() == input.attr('placeholder')) {
        input.val('');
      }
    })
  });
}