// AlertifyJS default settings
alertify.defaults = {
  // dialogs defaults
  modal: true,
  movable: true,
  resizable: true,
  closable: true,
  maximizable: true,
  pinnable: true,
  pinned: true,
  padding: true,
  overflow: true,
  maintainFocus: true,
  transition: "fade",

  // notifier defaults
  notifier: {
    // auto-dismiss wait time (in seconds)
    delay: 0,
    // default position
    position: "top-right",
  },

  // language resources
  glossary: {
    // Dialog title text
    title: "Confirmation",
    // ok button text
    ok: "OK",
    // cancel button text
    cancel: "Annuler",
  },
  theme: {
    // class name attached to prompt dialog input textbox.
    input: "ajs-input form-control",
    // class name attached to ok button
    ok: "ajs-ok btn btn-primary",
    // class name attached to cancel button
    cancel: "ajs-cancel btn btn-default",
  },
  // global hooks
  hooks:{
    // invoked before initializing any dialog
    preinit:function(instance){},
    // invoked after initializing any dialog
    postinit:function(instance){},
},
};

$('#cats').collapse({
  toggle: false
});

on_title_click=function(event) {
  if (event.target.tagName=='BUTTON') {
    return;
  }
  var title=$(this);
  var panel=title.parent().parent();
  var panel_collapse=panel.find('.panel-collapse');
  var show=!panel_collapse.hasClass('in');
  $('.panel-collapse').each(function(idx,div) {
    $(div).collapse('hide');
  });
  if (show)
    panel_collapse.collapse('show');
  set_location(
    title.data('scase').name,
    show ? title.data('cat').name : null,
    title.data('trash') ? 'trash' : null
  );
}

/***********************
 * Add scase
 **********************/
on_add_scase_btn_click=function(event) {
  navbar_collapse_hide();
  $('#add_scase_modal').modal('show');
}

on_valid_add_scase_modal=function (e) {
  e.preventDefault();
  var name=$('#add_scase_name')[0].value;
  if (name=='') {
    alertify.notify("Vous devez saisir le nom de la valise !", "error", 5);
    return;
  }
  var nameshake=scases.byName(name);
  if (nameshake) {
    if (nameshake.removed) {
      alertify.notify("Une valise de ce nom existe dans la corbeille !", "error", 5);
    }
    else {
      alertify.notify("Cette valise existe déjà !", "error", 5);
    }
    return;
  }
  var scase=scases.newSCase(name);
  if (scase) {
    scases.save();
    show_scase(scase);
    auto_sync_local_data();
  }
  $('#add_scase_modal').modal('hide');
}

on_show_add_scase_modal=function () {
  $('#add_scase_name').focus();
}

on_close_add_scase_modal=function () {
  $('#add_scase_modal form')[0].reset();
}

/***********************
 * Rename scase
 **********************/
on_rename_scase_btn_click=function(event) {
  navbar_collapse_hide();
  $('#rename_scase_name')[0].value=$('#cats').data('scase');
  $('#rename_scase_modal').modal('show');
}

on_valid_rename_scase_modal=function (e) {
  e.preventDefault();
  var name=$('#rename_scase_name')[0].value;
  if (name=='') {
    alertify.notify("Vous devez saisir le nouveau nom de la valise !", "error", 5);
    return;
  }
  if ($('#cats').data('scase')!=name) {
    var nameshake=scases.byName(name);
    if (nameshake) {
      if (nameshake.removed) {
        alertify.notify("Une valise portant ce nom existe dans la corbeille !", "error", 5);
      }
      else {
        alertify.notify("Une valise portant ce nom existe déjà !", "error", 5);
      }
      return;
    }

    var scase=scases.renameSCase($('#cats').data('scase'),name);
    if (scase) {
      scases.save();
      show_scase(scase);
      auto_sync_local_data();
    }
    else {
      alertify.notify('Une erreur est survenue en renomant la valise...', "error", 5);
    }
  }
  $('#rename_scase_modal').modal('hide');
}

on_show_rename_scase_modal=function () {
  $('#rename_scase_name').focus();
}

on_close_rename_scase_modal=function () {
  $('#rename_scase_modal form')[0].reset();
}

/***********************
 * Copy scase
 **********************/
on_copy_scase_btn_click=function(event) {
  navbar_collapse_hide();
  $('#copy_scase_modal').modal('show');
}

on_valid_copy_scase_modal=function (e) {
  e.preventDefault();
  var name=$('#copy_scase_name')[0].value;
  if (name=='') {
    alertify.notify("Vous devez saisir le nom de la nouvelle valise !", "error", 5);
    return;
  }
  var nameshake=scases.byName(name);
  if (nameshake) {
    if (nameshake.removed) {
      alertify.notify("Une valise portant ce nom existe dans la corbeille !", "error", 5);
    }
    else {
      alertify.notify("Une valise portant ce nom existe déjà !", "error", 5);
    }
    return;
  }
  var scase=scases.copySCase($('#cats').data('scase'),name);
  if (scase) {
    scases.save();
    show_scase(scase);
    auto_sync_local_data();
  }
  else {
    alertify.notify('Une erreur est survenue en copiant la valise...', "error", 5);
  }
  $('#copy_scase_modal').modal('hide');
}

on_show_copy_scase_modal=function () {
  $('#copy_scase_name').focus();
}

on_close_copy_scase_modal=function () {
  $('#copy_scase_modal form')[0].reset();
}

/***********************
 * Reset scase
 **********************/
on_reset_scase_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    alertify.confirm(
      `Réinitialisation de la valise ${scase.name}`,
      `Voulez-vous vraiment réinitialiser la valise ${scase.name} ?`,
      function(data) {
        scases.resetSCase(scase.name);
        scases.save();
        show_scase(scase);
        auto_sync_local_data();
      },
      null
    );
  }
}
/***********************
 * Delete scase
 **********************/
on_delete_scase_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    alertify.confirm(
      `Suppression de la valise ${scase.name}`,
      `Voulez-vous vraiment supprimer la valise ${scase.name} ?`,
      function(data) {
        scases.removeSCase(scase.name);
        scases.save();
        show_scases();
        auto_sync_local_data();
      },
      null
    );
  }
}

on_restore_scase_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=event.data.scase;
  if (scase) {
    alertify.confirm(
      `Restauration de la valise ${scase.name}`,
      `Voulez-vous vraiment restaurer la valise ${scase.name} ?`,
      function(data) {
        scase.restore();
        scases.save();
        show_scases();
      },
      null
    );
  }
}

on_scase_trash_btn_click=function(event) {
  event.preventDefault();
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    show_scase_trash(scase);
  }
}

/***********************
 * Add cat
 **********************/
on_add_cat_btn_click=function(event) {
  navbar_collapse_hide();
  $('#add_cat_modal').modal('show');
}

on_valid_add_cat_modal=function (e) {
  e.preventDefault();
  var name=$('#add_cat_name')[0].value;
  if (name=='') {
    alertify.notify("Vous devez saisir le nom de la catégorie !", "error", 5);
    return;
  }
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var nameshake=scase.cats.byName(name);
    if (nameshake) {
      if (nameshake.removed) {
        alertify.notify("Une catégorie portant ce nom existe dans la corbeille !", "error", 5);
      }
      else {
        alertify.notify("Une catégorie portant ce nom existe déjà !", "error", 5);
      }
      return;
    }
    var cat=scase.cats.newCat(name);
    if (cat) {
      scases.save();
      show_scase(scase,cat.name);
      auto_sync_local_data();
    }
  }
  $('#add_cat_modal').modal('hide');
}

on_show_add_cat_modal=function () {
  $('#add_cat_name').focus();
}

on_close_add_cat_modal=function () {
  $('#add_cat_modal form')[0].reset();
}

/***********************
 * Rename cat
 **********************/
on_rename_cat_btn_click=function(event) {
  navbar_collapse_hide();
  $('#rename_cat_modal').data('cat',event.data.cat.name);
  $('#rename_cat_name')[0].value=event.data.cat.name;
  $('#rename_cat_modal').modal('show');
}

on_valid_rename_cat_modal=function (e) {
  e.preventDefault();
  var name=$('#rename_cat_name')[0].value;
  if (name=='') {
    alertify.notify("Vous devez saisir le nouveau nom de la catégorie !", "error", 5);
    return;
  }
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    if (scase.cats.byName(name)) {
      var namesake=scase.cats.byName(name);
      if (namesake.removed) {
        alertify.notify("Une catégorie de se nom existe dans la corbeille !", "error", 5);
      }
      else {
        alertify.notify("Cette catégorie existe déjà !", "error", 5);
      }
      return;
    }
    var cat=scase.cats.renameCat($('#rename_cat_modal').data('cat'),name);
    if (cat) {
      scases.save();
      show_scase(scase,cat.name);
      auto_sync_local_data();
    }
  }
  $('#rename_cat_modal').modal('hide');
}

on_show_rename_cat_modal=function () {
  $('#rename_cat_name').focus();
}

on_close_rename_cat_modal=function () {
  $('#rename_cat_modal form')[0].reset();
}

/***********************
 * Delete cat
 **********************/
on_delete_cat_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=event.data.cat.name;
    alertify.confirm(
      `Suppression de la catégorie ${cat}`,
      `Voulez-vous vraiment supprimer la catégorie ${cat} ?`,
      function(data) {
        scase.cats.removeCat(cat);
        scases.save();
        show_scase(scase);
        auto_sync_local_data();
      },
      null
    );
  }
}

on_restore_cat_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=event.data.cat.name;
    alertify.confirm(
      `Restauration de la catégorie ${cat}`,
      `Voulez-vous vraiment restaurer la catégorie ${cat} ?`,
      function(data) {
        scase.cats.restoreCat(cat);
        scases.save();
        show_scase(scase);
        auto_sync_local_data();
      },
      null
    );
  }
}

/************************
 * Check/Uncheck thing
 ***********************/
on_li_click=function(event) {
  if (event.target.tagName!='LI') return;
  var li=$(this);
  var ul=li.parent();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=scase.cats.byName(ul.data('cat'));
    if (cat) {
      var thing=cat.byLabel(li.data('label'));
      if (thing) {
        li.toggleClass('checked');
        thing.setChecked(li.hasClass('checked'));
        scases.save();
        auto_sync_local_data();
      }
      show_scase(scase,cat.name);
    }
  }
}

/***********************
 * Add thing
 **********************/
on_li_add_click=function(event) {
  var li=$(this);
  var cat=li.parent().data('cat');
  var modal=$('#add_thing_modal');
  modal.data('cat',cat);
  modal.modal('show');
}

on_valid_add_thing_modal=function (e) {
  e.preventDefault();

  var modal=$('#add_thing_modal');
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=scase.cats.byName(modal.data('cat'));
    if (cat) {
      var things=[];
      var labels=[];
      var error=false;
      var add_thing_nbs=$('input.add_thing_nb');
      $('input.add_thing_label').each(function(idx,input) {
        var label=$(input).val();
        if (label && label!='') {
          if (labels.indexOf(label)>-1) {
            alertify.notify("Deux élements ne peuvent porter le même nom !", "error", 5);
            error=true;
            return;
          }
          if (cat.byLabel(label)) {
            alertify.notify("L'élément '"+label+"' existe déjà !", "error", 5);
            error=true;
            return;
          }
          var nb=1;
          if (add_thing_nbs[idx]) {
            nb=parseInt($(add_thing_nbs[idx]).val());
            if (!nb || nb==0) {
              nb=1;
            }
          }
          things.push({
            'label': label,
            'nb': nb
          });
          labels.push(label);
        }
      });
      if (error) {
        return;
      }
      if (things.length==0) {
        alertify.notify("Vous devez saisir au moins un nom d'élément !", "error", 5);
        return;
      }
      for (idx in things) {
        cat.newThing(things[idx]['label'], things[idx]['nb']);
      }
      scases.save();
      show_scase(scase,cat.name);
      auto_sync_local_data();
    }
  }
  modal.modal('hide');
}

on_show_add_thing_modal=function () {
  $('.add_thing_other').remove();
  $('input.add_thing_label').val('');
  $('input.add_thing_nb').val('');
  $('input.add_thing_label').first().focus();
}

on_close_add_thing_modal=function () {
  $('#add_thing_modal form')[0].reset();
}

on_add_thing_label_focus=function(event) {
  if ($('input.add_thing_label').last()[0] == event.target) {
    var new_input_group=$('<div class="form-group add_thing_other"></div>');
    var new_input_label=$('<input type="text" class="form-control add_thing_label" placeholder="Encore un ?"/>');
    var new_input_nb=$('<input type="number" class="form-control add_thing_nb" placeholder="Nb"/>');
    new_input_group.append(new_input_label);
    new_input_group.append(' ');
    new_input_group.append(new_input_nb);
    new_input_label.bind('focus', on_add_thing_label_focus);
    $(event.target).parent().after(new_input_group);
  }
}


/***********************
 * Edit thing
 **********************/
on_edit_thing_btn_click=function(event) {
  navbar_collapse_hide();
  $('#edit_thing_modal').data('cat',event.data.cat.name);
  $('#edit_thing_modal').data('thing',event.data.thing.label);
  $('#edit_thing_label').val(event.data.thing.label);
  $('#edit_thing_nb').val(event.data.thing.nb);
  $('#edit_thing_modal').modal('show');
}

on_valid_edit_thing_modal=function (e) {
  e.preventDefault();
  var label=$('#edit_thing_label').val();
  if (label=='') {
    alertify.notify("Vous devez saisir le nouveau nom de l'élément !", "error", 5);
    return;
  }
  var nb=parseInt($('#edit_thing_nb').val());
  if (!nb || nb==0) {
    nb=1;
  }
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=scase.cats.byName($('#edit_thing_modal').data('cat'));
    if (cat) {
      if (label!=$('#edit_thing_modal').data('thing')) {
        var namesake=cat.byLabel(label);
        if (namesake) {
          if (namesake.removed) {
            alertify.notify("Un élément de ce nom existe dans la corbeille !", "error", 5);
          }
          else {
            alertify.notify("Un élément de ce nom existe déjà !", "error", 5);
          }
          return;
        }
        var thing=cat.renameThing($('#edit_thing_modal').data('thing'),label);
      }
      else {
        var thing=cat.byLabel(label);
      }
      if (thing) {
        thing.setNb(nb);
        scases.save();
        show_scase(scase,cat.name);
        auto_sync_local_data();
      }
    }
  }
  $('#edit_thing_modal').modal('hide');
}

on_show_edit_thing_modal=function () {
  $('#edit_thing_label').focus();
}

on_close_edit_thing_modal=function () {
  $('#edit_thing_modal form')[0].reset();
}

/***********************
 * Delete thing
 **********************/
on_delete_thing_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=scase.cats.byName(event.data.cat.name);
    if (cat) {
      var thing=event.data.thing.label;
      alertify.confirm(
        `Suppression de l'élément ${thing}`,
        `Voulez-vous vraiment supprimer l'élément ${thing} ?`,
        function(data) {
          cat.removeThing(thing);
          scases.save();
          show_scase(scase,cat.name);
          auto_sync_local_data();
        },
        null
      );
    }
  }
}

on_restore_thing_btn_click=function(event) {
  navbar_collapse_hide();
  var scase=scases.byName($('#cats').data('scase'));
  if (scase) {
    var cat=scase.cats.byName(event.data.cat.name);
    if (cat) {
      var thing=event.data.thing.label;
      alertify.confirm(
        `Restauration de l'élément ${thing}`,
        `Voulez-vous vraiment restaurer l'élément ${thing} ?`,
        function(data) {
          cat.restoreThing(thing);
          scases.save();
          show_scase(scase,cat.name);
          auto_sync_local_data();
        },
        null
      );
    }
  }
}

/********************
 * Show one scase
 *******************/
show_cat=function(scase, cat, displayed) {
  var panel=$('<div class="panel panel-default"></div>');
  var panel_heading=$('<div class="panel-heading" role="tab"></div>');
  var panel_title=$('<h4 class="panel-title">'+cat.name+' </h4>');
  panel_title.data('scase', scase);
  panel_title.data('cat', cat);
  panel_title.bind('click',on_title_click);

  var stats=cat.stats();
  var tag=$('<span class="count-tag pull-right"></span>');
  if (stats.things==stats.done) {
    tag.append($('<span class="label label-success"><span class="glyphicon glyphicon-ok" aria-hidden="true"></span></span>'));
  }
  else {
    tag.append($('<span class="badge">'+stats.done+' / '+stats.things+'</span>'));
  }

  var delete_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-trash"></button>');
  delete_btn.bind('click',{'cat': cat},on_delete_cat_btn_click);
  tag.append(delete_btn);

  var rename_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-edit"></button>');
  rename_btn.bind('click',{'cat': cat},on_rename_cat_btn_click);
  tag.append(rename_btn);

  panel_title.append(tag);


  panel_heading.append(panel_title);
  panel.append(panel_heading);
  var panel_collapse=$('<div class="panel-collapse collapse" role="tabpanel"></div>');
  if (displayed) {
    panel_collapse.addClass('in');
  }
  var ul=$('<ul class="list-group" data-cat="'+cat.name+'"></ul>');
  for (idx in cat.things) {
    if (cat.things[idx].removed) {
      continue;
    }
    var li=$('<li class="list-group-item checkable" data-label="'+cat.things[idx].label+'">'+cat.things[idx].label+'</li>');
    if (cat.things[idx].nb>1) {
      li.append(' <em>('+cat.things[idx].nb+')</em>');
    }
    if (cat.things[idx].checked) {
      li.addClass('checked');
    }
    li.bind('click',on_li_click);

    var li_actions=$('<span class="actions pull-right"></span>');

    var delete_el_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-trash"></button>');
    delete_el_btn.bind('click',{'cat': cat,'thing': cat.things[idx]},on_delete_thing_btn_click);
    li_actions.append(delete_el_btn);

    var edit_el_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-edit"></button>');
    edit_el_btn.bind('click',{'cat': cat,'thing': cat.things[idx]},on_edit_thing_btn_click);
    li_actions.append(edit_el_btn);

    li.append(li_actions);

    ul.append(li);
  }
  var li=$('<li class="list-group-item"><span class="glyphicon glyphicon-plus-sign"></span> Ajouter un élément</li>');
  li.bind('click',on_li_add_click);
  ul.append(li);
  panel_collapse.append(ul);
  panel.append(panel_collapse);
  $('#cats').append(panel);
}

show_scase=function(scase,display_cat) {
  clear_page('<h3><span class="glyphicon glyphicon-briefcase" aria-hidden="true"></span> '+scase.name+'</h3><div class="panel-group" id="cats" role="tablist" aria-multiselectable="true" data-scase="'+scase.name+'"></div>');
  scase.cats.each(function(idx,cat) {
    if (cat.removed) {
      return;
    }
    show_cat(scase, cat,(cat.name==display_cat));
  });
  set_location(scase.name, display_cat);
  show_menu('scase');
}

on_back_to_scases_btn_click=function(e) {
  e.preventDefault();
  navbar_collapse_hide();
  show_scases();
}

/********************
 * Show scase trash
 *******************/
show_scase_trash=function(scase,display_cat) {
  clear_page('<h3><span class="glyphicon glyphicon-trash" aria-hidden="true"></span>'+scase.name+' : Corbeille <button class="btn btn-default btn-xs" id="back_btn"><span class="glyphicon glyphicon-arrow-left"></button></h3><div class="panel-group" id="cats" role="tablist" aria-multiselectable="true" data-scase="'+scase.name+'"></div>');

  $('#content h3 #back_btn').bind('click', {'scase': scase}, function(event) {
    show_scase(event.data.scase);
  });

  scase.cats.each(function(idx,cat) {
    show_cat_trash(scase, cat, (cat.name==display_cat));
  });
  if ($('#cats .panel').length==0) {
    $('#content').append('<p class="center">La corbeille est vide.</p>');
  }
  set_location(scase.name, display_cat, 'trash');
  show_menu('scase');
}

show_cat_trash=function(scase, cat,displayed) {
  var panel=$('<div class="panel panel-default"></div>');
  var panel_heading=$('<div class="panel-heading" role="tab"></div>');
  var panel_title=$('<h4 class="panel-title">'+cat.name+' </h4>');
  panel_title.data('scase', scase);
  panel_title.data('cat', cat);
  panel_title.data('trash', true);

  var tag=$('<span class="count-tag pull-right"></span>');

  panel_title.append(tag);


  panel_heading.append(panel_title);
  panel.append(panel_heading);


  if (cat.removed) {
    var stats=cat.stats();
    tag.append($('<span class="badge">'+stats.things+'</span>'));

    var restore_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-ok"></button>');
    restore_btn.bind('click',{'cat': cat},on_restore_cat_btn_click);
    tag.append(restore_btn);
  }
  else {
    var deleted_things=[];
    for (idx in cat.things) {
      if (cat.things[idx].removed) {
        deleted_things.push(cat.things[idx]);
      }
    }
    if (deleted_things.length==0) {
      return true;
    }
    panel_title.bind('click',on_title_click);
    tag.append($('<span class="badge">'+deleted_things.length+'</span>'));

    var panel_collapse=$('<div class="panel-collapse collapse" role="tabpanel"></div>');
    if (displayed) {
      panel_collapse.addClass('in');
    }
    var ul=$('<ul class="list-group" data-cat="'+cat.name+'"></ul>');
    for (idx in deleted_things) {
      var li=$('<li class="list-group-item" data-label="'+deleted_things[idx].label+'">'+deleted_things[idx].label+'</li>');
      var li_actions=$('<span class="actions pull-right"></span>');

      var restore_el_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-ok"></button>');
      restore_el_btn.bind('click',{'cat': cat,'thing': deleted_things[idx]},on_restore_thing_btn_click);
      li_actions.append(restore_el_btn);

      li.append(li_actions);

      ul.append(li);
    }
    panel_collapse.append(ul);
    panel.append(panel_collapse);
  }

  $('#cats').append(panel);
}

on_back_to_scase_btn_click=function(e) {
  e.preventDefault();
  navbar_collapse_hide();
  show_scase(e.data.scase);
}

/********************
 * Show scases
 *******************/
show_scases=function() {
  clear_page('<h3>Vos valises</h3><ul class="list-group" id="scases"></ul>');
  scases.each(function(idx,scase) {
    if (scase.removed) {
      return;
    }
    var stats=scase.stats();
    var tag='<span class="count-tag pull-right">';
    if (stats.things==stats.done) {
      tag+='<span class="label label-success"><span class="glyphicon glyphicon-ok" aria-hidden="true"></span></span>';
    }
    else {
      tag+='<span class="badge">'+stats.done+' / '+stats.things+'</span>';
    }
    tag+='</span>';

    var li=$('<li class="list-group-item" data-name="'+scase.name+'"><span class="scase-name"><span class="glyphicon glyphicon-briefcase" aria-hidden="true"></span> '+scase.name+'</span>'+tag+'</li>');
    li.bind('click',on_scase_click);
    $('#scases').append(li);
  });
  set_location();
  show_menu('scases');
}

on_scase_click=function(event) {
  var li=$(this);
  var scase=scases.byName(li.data('name'));
  show_scase(scase);
}

/********************
 * Show scases trash
 *******************/
show_scases_trash=function() {
  clear_page('<h3>Corbeille <button class="btn btn-default btn-xs" id="back_btn"><span class="glyphicon glyphicon-arrow-left"></button></h3><ul class="list-group" id="scases"></ul>');
  $('#content h3 #back_btn').bind('click', function(event) {
    show_scases();
  });

  scases.each(function(idx,scase) {
    if (!scase.removed) {
      return;
    }
    var stats=scase.stats();
    var tags=$('<span class="count-tag pull-right"></span>');
    tags.append('<span class="badge">'+stats.things+'</span>');

    var restore_btn=$('<button class="btn btn-default btn-xs pull-right"><span class="glyphicon glyphicon-ok"></button>');
    restore_btn.bind('click',{'scase': scase},on_restore_scase_btn_click);
    tags.append(restore_btn);

    var li=$('<li class="list-group-item" data-name="'+scase.name+'"><span class="scase-name"><span class="glyphicon glyphicon-briefcase" aria-hidden="true"></span> '+scase.name+'</span></li>');
    li.append(tags);
    $('#scases').append(li);
  });
  if ($('#scases li').length==0) {
    $('#content').append('<p class="center">Aucune valise dans la corbeille.</p>');
  }
  show_menu('scases');
}

on_scases_trash_btn=function(e) {
  e.preventDefault();
  navbar_collapse_hide();
  show_scases_trash();
}

clear_page=function(new_content) {
  if (new_content) {
    $('#content').html(new_content);
  }
  else {
    $('#content').html('');
  }
}

/************************
 * Show menu
 ***********************/
show_menu=function(menu) {
  $('.menu').css('display','none');
  $('.menu-'+menu).css('display','block');
}

/*******************
 * pleaseWaitDialog
 *******************/

pleaseWaitShow=function() {
  $('#please_wait_modal').modal('show');
}

pleaseWaitHide=function() {
  $('#please_wait_modal').modal('hide');
}

/****************
 * Nav bars
 ****************/
navbar_collapse_hide=function() {
  if ($('#navbar-top-collapse').hasClass('in')) {
    $('#navbar-top-collapse').collapse('hide');
  }
}

/********************
 * Clear local data
 ********************/
clear_local_data=function() {
  navbar_collapse_hide();
  alertify.confirm(
    "Suppression de toutes les données locales",
    "Etes-vous sûre de vouloir supprimer les données locales (action irréversible) ?",
    on_confirm_clear_local_data,
    null
  );
}

on_confirm_clear_local_data=function(data) {
  delete localStorage.scases;
  location.reload();
}

/********************
 * Clear local data
 ********************/
load_example_data=function() {
  navbar_collapse_hide();
  alertify.confirm(
    "Chargement des données d'exemple",
    "Etes-vous sûre de vouloir charger les données d'exemple à la place de vos propres données (action irréversible) ?",
    function() {
      delete localStorage.scases;
      scases=new SCaseList();
      scases.importExampleData();
      scases.save();
      show_scases();
    },
    null
  );
}

/*******************************
 * Import/Export local data
 *******************************/
export_local_data=function() {
  navbar_collapse_hide();
  $('#export_local_data').attr('href','data:application/json;base64,' + btoa(JSON.stringify(scases.export())));
}

import_local_data=function() {
  navbar_collapse_hide();
  var input=$('<input type="file" accept="application/json">');
  input.css('display', 'none');
  input.bind('change',{'input': input},function(e) {
    pleaseWaitShow();
    var input=e.data.input;
    var file=input.prop('files')[0];
    if (file) {
      var reader = new FileReader();
      $(reader).bind('load', function(e) {
        if (
          $.type(e.target.result)!='string'
          || ! e.target.result.startsWith('data:application/json;base64,')
        ) {
          pleaseWaitHide();
          alertify.notify('Fichier.', "error", 5);
          return;
        }
        try {
          json_data=atob(e.target.result.replace('data:application/json;base64,',''));
          data=JSON.parse(json_data);
        }
        catch (e) {
          pleaseWaitHide();
          alertify.notify('Impossible de décodé le fichier.', "error", 5);
          return;
        }
        pleaseWaitHide();
        alertify.confirm(
          "Importation depuis un fichier",
          "Etes-vous sûre de vouloir écraser vos données locales par celle issues de ce fichier ?",
          function() {
            var backData=scases.export();
            scases=new SCaseList();
            if (scases.loadFromJsonData(data)) {
              alertify.notify("Le fichier a bien été importé.", "success", 3);
            }
            else {
              alertify.notify("Une erreur est survenue en chargeant ce fichier. Restauration des données précédentes...", "error", 5);
              if (scases.loadFromJsonData(backData)) {
                alertify.notify("Les données précédentes ont bien été restaurées.", "success", 5);
              }
              else {
                alertify.notify("Une erreur est survenue en restaurant les données précédentes.", "error", 5);
              }
            }
            show_scases();
          },
          null
        );
      });
      reader.readAsDataURL(file);
    }
  });
  $('body').append(input);
  input[0].click();
}

/******************************
 * Authentication
 ******************************/

show_user=function() {
  if (user.connected()) {
    $('#login').parent().css('display', 'none');
    $('#logout').parent().css('display', 'block');
    $('#username').html(user.name);
  }
  else {
    $('#login').parent().css('display', 'block');
    $('#logout').parent().css('display', 'none');
    $('#username').html("");
  }
}

on_login_button_click=function() {
  if (user.connected()) return;
  navbar_collapse_hide();
  $('#login_modal').modal('show');
}

on_valid_login_modal=function (e) {
  e.preventDefault();
  var username=$('#login_username').val();
  var password=$('#login_password').val();
  if (!username || !password) {
    alertify.notify("Vous devez saisir votre nom d'utilisateur et votre mot de passe !", "error", 5);
    return;
  }
  $.post(
    'login',
    {
      username: username,
      password: password,
    }
  ).done(function(data) {
    if (data.username && data.token) {
      user.token = data.token;
      user.username = data.username;
      user.name = data.name?data.name:username;
      user.save();
      $('#login_modal').modal('hide');
      show_user();
      alertify.notify("Connecté.", "success", 3);
      propose_sync_local_data();
    }
    else {
      alertify.notify("Nom d'utilisateur ou mot de passe.", "error", 5);
    }
  }).fail(function() {
    alertify.notify('Une erreur est survenue en vous identifiant. Merci de réessayer ultèrieument.', "error", 5);
  });
}

on_show_login_modal=function () {
  $('#login_username').val(user.username?user.username:"");
  if (user.username)
    $('#login_password').focus();
  else
    $('#login_username').focus();
}

on_close_login_modal=function () {
  $('#login_modal form')[0].reset();
}

on_logout_button_click=function() {
  if (!user.connected()) return;
  navbar_collapse_hide();
  alertify.confirm(
    "Déconnexion",
    "Voulez-vous vraiment vous déconnecter ?",
    function(data) {
      $.post(
        'logout',
        {
          username: user.username,
          token: user.token,
        }
      ).done(function(data) {
        if (data.success) {
          user.reset();
          user.save();
          show_user();
          alertify.notify("Déconnecté.", "success", 3);
        }
        else {
          alertify.notify("Une erreur est survenue en vous déconnectant. Merci de réessayer ultèrieument.", "error", 5);
        }
      }).fail(function() {
        alertify.notify('Une erreur est survenue en vous déconnectant. Merci de réessayer ultèrieument.', "error", 5);
      });
    },
    null
  );
}

is_connected=function() {
  return user && user.token;
}


/*******************************
 * Sync local data with server
 *******************************/
sync_local_data = function(callback) {
  if (!is_connected()) {
    if (callback) callback(false);
    return;
  }
  $.post(
    'sync',
    {
      username: user.username,
      token: user.token,
      data: JSON.stringify(scases.export()),
    }
  ).done(function(data) {
    if (data.scases) {
      var backData=scases.export();
      scases=new SCaseList();
      if (scases.loadFromJsonData(data)) {
        scases.save();
        alertify.notify("Données synchronisées.", "success", 3);
        if (callback) callback(true);
      }
      else {
        alertify.notify("Une erreur est survenue en chargeant les données issues du serveur. Restauration des données précédentes...", "error", 5);
        if (scases.loadFromJsonData(backData)) {
          alertify.notify("Les données précédentes ont bien été restaurées.", "success", 5);
        }
        else {
          alertify.notify("Une erreur est survenue en restaurant les données précédentes.", "error", 5);
        }
        if (callback) callback(false);
      }
    }
    else {
      alertify.notify("Une erreur est survenue en synchronisant vos données. Merci de réessayer ultèrieument.", "error", 5);
      if (callback) callback(false);
    }
  }).fail(function(xhr, status, error) {
    if (xhr.status == 401) {
      user.token = null;
      user.save();
      show_user();
      alertify.notify("Votre session semble avoir expirée, merci de vous réauthentifier.", "error", 8);
      $('#login_modal').modal('show');
    }
    else {
      alertify.notify("Une erreur est survenue en synchronisant vos données. Merci de réessayer ultèrieument.", "error", 5);
    }
    if (callback) callback(false);
  });
}
_auto_sync_timeout = false;
auto_sync_local_data = function() {
  if (_auto_sync_timeout) clearTimeout(_auto_sync_timeout);
  if (!is_connected() || !navigator.onLine) return;
  _auto_sync_timeout = setTimeout(sync_local_data, 3000);
}
on_sync_local_data_btn_click=function() {
  navbar_collapse_hide();
  if (!is_connected()) {
    alertify.notify("Vous devez vous connecter avant de pouvoir synchroniser vos données.", "error", 5);
    $('#login_modal').modal('show');
    return;
  }
  pleaseWaitShow();
  sync_local_data(function(success) {
    pleaseWaitHide();
  });
}
propose_sync_local_data = function() {
  alertify.confirm(
    "Synchronisation de vos valises depuis le serveur",
    "Voulez-vous synchroniser vos valises depuis le serveur ?",
    function() {
      pleaseWaitShow();
      sync_local_data(
        function(success) {
          pleaseWaitHide();
          if (!success) return;
          if (scases.count() == 0)
            propose_example_data();
          else
            refresh_location();
        }
      );
    },
    refresh_location
  );
}

/***********************
 * Manage location hash
 ***********************/

set_location = function(scase, cat, detail) {
  console.log(`set_location(${scase}, ${cat}, ${detail})`);
  var parts = [];
  if (scase) parts[0] = scase;
  if (cat) parts[1] = cat;
  if (detail) parts[2] = detail;
  location.hash = parts.join("|");
}

parse_location = function(value) {
  value = typeof value == "undefined" ? location.hash : value;
  console.log(`parse_location(${value})`);
  parts = (
    typeof value == "undefined" ? location.hash : value
  ).split("|");
  return {
    scase: parts[0]?decodeURI(parts[0].substring(1)):null,
    cat: parts[0] && parts[1]?decodeURI(parts[1]):null,
    detail: parts[2] ? decodeURI(parts[2]) : null,
  };
}

refresh_location = function() {
  var info = parse_location();
  console.log(`refresh_location(${info.scase}, ${info.cat}, ${info.detail})`);
  var scase = info.scase ? scases.byName(info.scase) : null;
  if (!scase)
    show_scases();
  else if (info.detail == 'trash')
    show_scase_trash(scase, info.cat);
  else
    show_scase(scase, info.cat);
}

/***********************
 * Welcome modal
 ***********************/

on_welcome_connect_click = function() {
  $('#welcome_modal').modal('hide');
  $('#login_modal').modal('show');
}

on_welcome_annonymous_click = function() {
  $('#welcome_modal').modal('hide');
  if (scases.count() == 0) propose_example_data();
}

propose_example_data = function() {
  alertify.confirm(
    "Un exemple de valise ?",
    "Souhaitez-vous charger un exemple de valise pour commencer ?",
    function() {
      scases.importExampleData();
      scases.save();
      refresh_location();
    },
    null,
  );
}

/*********************
 * Activate
 *********************/
$( document ).ready( function() {
  if(typeof(localStorage)==="undefined"){
    alertify.notify(
      'Votre navigateur internet ne support pas le stockage de données locale. Vous ne pouvez donc malheureusment pas utiliser cette application.', "error", 5);
    return;
  }
  pleaseWaitShow();

  $('#clear_local_data').bind('click',clear_local_data);
  $('#load_example_data').bind('click',load_example_data);
  $('#import_local_data').bind('click',import_local_data);
  $('#export_local_data').bind('click',export_local_data);
  $('#sync_local_data').bind('click',on_sync_local_data_btn_click);

  $('#add_scase_btn').bind('click',on_add_scase_btn_click);
  $('#add_scase_submit').bind('click',on_valid_add_scase_modal);
  $("#add_scase_modal").on('shown.bs.modal',on_show_add_scase_modal);
  $("#add_scase_modal").on('hidden.bs.modal',on_close_add_scase_modal);
  $("#add_scase_modal form").bind('submit',on_valid_add_scase_modal);

  $('#scases_trash_btn').bind('click',on_scases_trash_btn);

  $('#rename_scase_btn').bind('click',on_rename_scase_btn_click);
  $('#rename_scase_submit').bind('click',on_valid_rename_scase_modal);
  $("#rename_scase_modal").on('shown.bs.modal',on_show_rename_scase_modal);
  $("#rename_scase_modal").on('hidden.bs.modal',on_close_rename_scase_modal);
  $("#rename_scase_modal form").bind('submit',on_valid_rename_scase_modal);

  $('#copy_scase_btn').bind('click',on_copy_scase_btn_click);
  $('#copy_scase_submit').bind('click',on_valid_copy_scase_modal);
  $("#copy_scase_modal").on('shown.bs.modal',on_show_copy_scase_modal);
  $("#copy_scase_modal").on('hidden.bs.modal',on_close_copy_scase_modal);
  $("#copy_scase_modal form").bind('submit',on_valid_copy_scase_modal);

  $('#reset_scase_btn').bind('click',on_reset_scase_btn_click);
  $('#delete_scase_btn').bind('click',on_delete_scase_btn_click);
  $('#scase_trash_btn').bind('click',on_scase_trash_btn_click);

  $('#add_cat_btn').bind('click',on_add_cat_btn_click);
  $('#add_cat_submit').bind('click',on_valid_add_cat_modal);
  $("#add_cat_modal").on('shown.bs.modal',on_show_add_cat_modal);
  $("#add_cat_modal").on('hidden.bs.modal',on_close_add_cat_modal);
  $("#add_cat_modal form").bind('submit',on_valid_add_cat_modal);

  $('#rename_cat_submit').bind('click',on_valid_rename_cat_modal);
  $("#rename_cat_modal").on('shown.bs.modal',on_show_rename_cat_modal);
  $("#rename_cat_modal").on('hidden.bs.modal',on_close_rename_cat_modal);
  $("#rename_cat_modal form").bind('submit',on_valid_rename_cat_modal);

  $('#back_to_scases').bind('click',on_back_to_scases_btn_click);

  $('input.add_thing_label').bind('focus',on_add_thing_label_focus);
  $('#add_thing_submit').bind('click',on_valid_add_thing_modal);
  $("#add_thing_modal").on('shown.bs.modal',on_show_add_thing_modal);
  $("#add_thing_modal").on('hidden.bs.modal',on_close_add_thing_modal);
  $("#add_thing_modal form").bind('submit',on_valid_add_thing_modal);

  $('#edit_thing_submit').bind('click',on_valid_edit_thing_modal);
  $("#edit_thing_modal").on('shown.bs.modal',on_show_edit_thing_modal);
  $("#edit_thing_modal").on('hidden.bs.modal',on_close_edit_thing_modal);
  $("#edit_thing_modal form").bind('submit',on_valid_edit_thing_modal);

  $('#login').bind('click',on_login_button_click);
  $('#logout').bind('click',on_logout_button_click);
  $('#login_submit').bind('click',on_valid_login_modal);
  $("#login_modal").on('shown.bs.modal',on_show_login_modal);
  $("#login_modal").on('hidden.bs.modal',on_close_login_modal);
  $("#login_modal form").bind('submit',on_valid_login_modal);

  $('#welcome_connect').bind('click',on_welcome_connect_click);
  $('#welcome_annonymous').bind('click',on_welcome_annonymous_click);

  $('#app-name').bind('click', show_scases);

  user=new User();
  user.loadFromLocalStorage();
  show_user();

  scases=new SCaseList();
  switch(scases.loadFromLocalStorage()) {
    case null:
      pleaseWaitHide();
      if (is_connected())
        propose_sync_local_data();
      else
        $('#welcome_modal').modal('show');
      break;

    case false:
      alertify.confirm(
        "Erreur en chargeant les données locales",
        'Une erreur est survenue en chargeant les données locales. On les purges ?',
        function(data) {
          delete localStorage.scases;
          location.reload();
        },
        function(data) {
          pleaseWaitHide();
          location.reload();
        },
      );
      break;

    case true:
      refresh_location();
      pleaseWaitHide();
      break;
  }
});