// 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: _("Cancel"),
  },
  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(
      _("You have to enter the name of the suitcase!"),
      "error",
      5
    );
    return;
  }
  var nameshake = scases.byName(name);
  if (nameshake) {
    if (nameshake.removed) {
      alertify.notify(
        _("A suitcase exist with this name exist in the trash."),
        "error",
        5
      );
    } else {
      alertify.notify(_("This suitcase already exist!"), "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 = $("#rename_scase_name")[0].value;
  if (name == "") {
    alertify.notify(
      _("You have to enter the new name of the suitcase!"),
      "error",
      5
    );
    return;
  }
  if ($("#cats").data("scase") != name) {
    var nameshake = scases.byName(name);
    if (nameshake) {
      if (nameshake.removed) {
        alertify.notify(
          _("A suitcase exist with this name exist in the trash."),
          "error",
          5
        );
      } else {
        alertify.notify(
          _("A suitcase with this name already exist!"),
          "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(
        _("An error occurred renaming this suitcase."),
        "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 = $("#copy_scase_name")[0].value;
  if (name == "") {
    alertify.notify(_("You have to enter the new suitcase name."), "error", 5);
    return;
  }
  var nameshake = scases.byName(name);
  if (nameshake) {
    if (nameshake.removed) {
      alertify.notify(
        _("A suitcase exist with this name exist in the trash."),
        "error",
        5
      );
    } else {
      alertify.notify(
        _("A suitcase with this name already exist!"),
        "error",
        5
      );
    }
    return;
  }
  var scase = scases.copySCase($("#cats").data("scase"), name);
  if (scase) {
    scases.save();
    show_scase(scase);
    auto_sync_local_data();
  } else {
    alertify.notify(_("An error occurred copying the suitcase."), "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($("#cats").data("scase"));
  if (scase) {
    alertify.confirm(
      _("Reset the %s suitcase", scase.name),
      _("Are-you sure you want to reset the suitcase %s?", scase.name),
      function (data) {
        scases.resetSCase(scase.name);
        scases.save();
        show_scase(scase);
        auto_sync_local_data();
      },
      null
    );
  }
};
/***********************
 * Delete scase
 **********************/
on_delete_scase_btn_click = function (event) {
  navbar_collapse_hide();
  var scase = scases.byName($("#cats").data("scase"));
  if (scase) {
    alertify.confirm(
      _("Delete the %s suitcase", scase.name),
      _("Are-you sure you want to delete the suitcase %s?", 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(
      _("Restaure the %s suitcase", scase.name),
      _("Are-you sure you want to restaure the suitcase %s?", 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 = $("#add_cat_name")[0].value;
  if (name == "") {
    alertify.notify(_("You have to enter the category name!"), "error", 5);
    return;
  }
  var scase = scases.byName($("#cats").data("scase"));
  if (scase) {
    var nameshake = scase.cats.byName(name);
    if (nameshake) {
      if (nameshake.removed) {
        alertify.notify(
          _("A category with this name already exist in the trash!"),
          "error",
          5
        );
      } else {
        alertify.notify(
          _("A category with this name already exist!"),
          "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 = $("#rename_cat_name")[0].value;
  if (name == "") {
    alertify.notify(
      _("You have to enter the new name of the category!"),
      "error",
      5
    );
    return;
  }
  var scase = scases.byName($("#cats").data("scase"));
  if (scase) {
    if (scase.cats.byName(name)) {
      var namesake = scase.cats.byName(name);
      if (namesake.removed) {
        alertify.notify(
          _("A category with this name already exist in the trash!"),
          "error",
          5
        );
      } else {
        alertify.notify(_("A category with this name already!"), "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(
      _("Delete the category %s", cat),
      _("Are-you sure you want to delete the category %s?", 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(
      _("Restore the category %s", cat),
      _("Are-you sure you want to restore the category %s?", 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 = $(input).val();
        if (label && label != "") {
          if (labels.indexOf(label) > -1) {
            alertify.notify(
              _("Tow elements can't have the same name!"),
              "error",
              5
            );
            error = true;
            return;
          }
          if (cat.byLabel(label)) {
            alertify.notify(_("The element '%s' already exist!"), "error", 5);
            error = true;
            return;
          }
          var nb = 1;
          if (add_thing_nbs[idx]) {
            nb = parseInt($(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(
          _("You have to enter at least one element name!"),
          "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 = $(
      `<input type="text" class="form-control add_thing_label" placeholder="${_(
        "Another?"
      )}"/>`
    );
    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 = $("#edit_thing_label").val();
  if (label == "") {
    alertify.notify(_("You have to enter the new element name!"), "error", 5);
    return;
  }
  var nb = parseInt($("#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(
              _("An element with this name already exist in the trash!"),
              "error",
              5
            );
          } else {
            alertify.notify(
              _("An element with this name already exist!"),
              "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(
        _("Delete the element %s", thing),
        _("Are-you sure you want to delete the element %s?", 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(
        _("Restore the element %s", thing),
        _("Are-you sure you want to restore the element %s?", 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> ${_(
      "Add an element"
    )}</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
    } - ${_("Trash")}` +
      ' <button class="btn btn-default btn-xs" id="back_btn"><span class="glyphicon glyphicon-arrow-left"></button>' +
      `</h3><div class="panel-group" id="cats" role="tablist" aria-multiselectable="true" data-scase="${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) {
    $("#content").append(`<p class="center">${_("The trash is empty.")}</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>${_("Your suitcases")}</h3><ul class="list-group" id="scases"></ul>`
  );
  scases.each(function (idx, scase) {
    if (scase.removed) {
      return;
    }
    var stats = scase.stats();
    var tag = '<span class="count-tag pull-right">';
    if (stats.things == stats.done) {
      tag +=
        '<span class="label label-success"><span class="glyphicon glyphicon-ok" aria-hidden="true"></span></span>';
    } else {
      tag += `<span class="badge">${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>${_("Trash")} <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) {
    $("#content").append(
      `<p class="center">${_("No suitcase in the trash.")}</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(
    _("Delete all local data"),
    _("Are-you sure you want to delete all local data (irreversible action)?"),
    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(
    _("Loading example data"),
    _(
      "Are-you sure you want to load example data in place of your own local data (irreversible action)?"
    ),
    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(_("Failed to decode JSON file."), "error", 5);
          return;
        }
        pleaseWaitHide();
        alertify.confirm(
          _("Import from file"),
          _(
            "Are-you sure you want to overwrite your local data with the data from this file (irreversible action)?"
          ),
          function () {
            var backData = scases.export();
            scases = new SCaseList();
            if (scases.loadFromJsonData(data)) {
              alertify.notify(
                _("The file has been imported successfully."),
                "success",
                3
              );
            } else {
              alertify.notify(
                _(
                  "An error occurred loading this file. Restoring previous data..."
                ),
                "error",
                5
              );
              if (scases.loadFromJsonData(backData)) {
                alertify.notify(
                  _("Previous data has been restored successfully."),
                  "success",
                  5
                );
              } else {
                alertify.notify(
                  _("An error occurred restoring previous data."),
                  "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(
      _("You have to enter your username and password!"),
      "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(_("Connected."), "success", 3);
        propose_sync_local_data();
      } else {
        alertify.notify(_("Invalid username or password."), "error", 5);
      }
    })
    .fail(function () {
      alertify.notify(
        _("An error occurred logging in. Please try again later."),
        "error",
        5
      );
    });
};

on_show_login_modal = function () {
  $("#login_username").val(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(
    _("Logout"),
    _("Do you really want to log out?"),
    function (data) {
      $.post("logout", {
        username: user.username,
        token: user.token,
      })
        .done(function (data) {
          if (data.success) {
            user.reset();
            user.save();
            show_user();
            alertify.notify(_("Logged out"), "success", 3);
          } else {
            alertify.notify(
              _("An error occurred logging you out. Please try again later."),
              "error",
              5
            );
          }
        })
        .fail(function () {
          alertify.notify(
            _("An error occurred logging you out. Please try again later."),
            "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(_("Data synchronized."), "success", 3);
          if (callback) callback(true);
        } else {
          alertify.notify(
            _(
              "An error occurred loading data from the server. Restoring previous data..."
            ),
            "error",
            5
          );
          if (scases.loadFromJsonData(backData)) {
            alertify.notify(
              _("Previous data has been restored successfully."),
              "success",
              5
            );
          } else {
            alertify.notify(
              _("An error occurred restoring previous data."),
              "error",
              5
            );
          }
          if (callback) callback(false);
        }
      } else {
        alertify.notify(
          _(
            "An error occurred synchronizing your data. Please try again later."
          ),
          "error",
          5
        );
        if (callback) callback(false);
      }
    })
    .fail(function (xhr, status, error) {
      if (xhr.status == 401) {
        user.token = null;
        user.save();
        show_user();
        alertify.notify(
          _("Your session appears to have expired, please re-authenticate."),
          "error",
          8
        );
        $("#login_modal").modal("show");
      } else {
        alertify.notify(
          _(
            "An error occurred synchronizing your data. Please try again later."
          ),
          "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(
      _("You must sign in before you can sync your data."),
      "error",
      5
    );
    $("#login_modal").modal("show");
    return;
  }
  pleaseWaitShow();
  sync_local_data(function (success) {
    pleaseWaitHide();
    refresh_location();
  });
};
propose_sync_local_data = function () {
  alertify.confirm(
    _("Synchronize your suitcases from server"),
    _("Are-you sure you want to synchronize your suitcases from server?"),
    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(
    _("An example of a suitcase?"),
    _("Would you like to load a sample suitcase to get started?"),
    function () {
      scases.importExampleData();
      scases.save();
      refresh_location();
    },
    null
  );
};

/**************************
 * Cache / Update
 *************************/

_check_for_update = false;
on_update_ready = function () {
  if (_check_for_update) pleaseWaitHide();
  alertify.confirm(
    _("Update available"),
    _(
      "An update of the application is available. Do-you want-to update it now?"
    ),
    on_confirm_update,
    null
  );
};

on_confirm_update = function () {
  window.applicationCache.swapCache();
  location.reload();
};

update_app = function () {
  navbar_collapse_hide();
  pleaseWaitShow();
  _check_for_update = true;
  window.applicationCache.update();
};

on_no_update = function () {
  if (!_check_for_update) return;
  pleaseWaitHide();
  _check_for_update = false;
  alertify.notify(_("No available update."), "success", 3);
};

/*********************
 * Activate
 *********************/
$(document).ready(function () {
  if (typeof localStorage === "undefined") {
    alertify.notify(
      _(
        "Your internet browser does not support local data storage. Therefore, unfortunately you cannot use this 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(
        _("Error loading local data"),
        _("An error occurred while loading local data. Should we purge it?"),
        function (data) {
          delete localStorage.scases;
          location.reload();
        },
        function (data) {
          pleaseWaitHide();
          location.reload();
        }
      );
      break;

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

  if (
    !window.applicationCache ||
    window.applicationCache.status == window.applicationCache.UNCACHED
  ) {
    $("#update_app").parent().remove();
  } else {
    $("#update_app").bind("click", update_app);
    window.applicationCache.addEventListener("updateready", on_update_ready);
    window.applicationCache.addEventListener("noupdate", on_no_update);
    if (window.applicationCache.status === window.applicationCache.UPDATEREADY)
      on_update_ready();
  }
});