// Generated by CoffeeScript 1.7.1
(function() {
  var Db, Model, ViewModel,
    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

  ViewModel = (function() {
    function ViewModel() {
      this.loading = ko.observable(false);
      this.flashMessage = ko.observable('');
      this.flashMessage.subscribe((function(_this) {
        return function(newValue) {
          if ((newValue != null) && newValue !== '') {
            setTimeout(function() {
              return _this.flashMessage('');
            }, 10000);
          }
          return true;
        };
      })(this));
      this.errorMessage = ko.observable('');
      this.errorMessage.subscribe((function(_this) {
        return function(newValue) {
          if ((newValue != null) && newValue !== '') {
            setTimeout(function() {
              return _this.errorMessage('');
            }, 10000);
          }
          return true;
        };
      })(this));
    }

    ViewModel.prototype.systemNotification = function(name, value) {
      $('body').attr("data-" + name, value);
      return this.loading(/ing$/.test(value));
    };

    ViewModel.prototype.flashPanel = function(elementId) {
      $(elementId).fadeIn();
      return setTimeout((function(_this) {
        return function() {
          return $(elementId).fadeOut();
        };
      })(this), 10000);
    };

    return ViewModel;

  })();

  Db = (function() {
    function Db(viewModel, name, url, pushStateUri) {
      this.viewModel = viewModel;
      this.name = name;
      this.pushStateUri = pushStateUri;
      this.errorMessage = __bind(this.errorMessage, this);
      this.flashMessage = __bind(this.flashMessage, this);
      this.doDelete = __bind(this.doDelete, this);
      this.urlFor = __bind(this.urlFor, this);
      this.toJS = __bind(this.toJS, this);
      this.itemDataFrom = __bind(this.itemDataFrom, this);
      this.newItem = __bind(this.newItem, this);
      this.doDestroy = __bind(this.doDestroy, this);
      this.doUpdate = __bind(this.doUpdate, this);
      this.doCreate = __bind(this.doCreate, this);
      this.doLoad = __bind(this.doLoad, this);
      this.save = __bind(this.save, this);
      this.add = __bind(this.add, this);
      this.load = __bind(this.load, this);
      this.canLoad = __bind(this.canLoad, this);
      this.findOrCreate = __bind(this.findOrCreate, this);
      this.find = __bind(this.find, this);
      this.url = ko.observable(url);
      this.createUrl = ko.observable(url);
      this.items = ko.observableArray([]);
      this.selected = ko.observable(null);
      this.selected.subscribe((function(_this) {
        return function(newValue) {
          if (_this.selected() == null) {
            return;
          }
          if (_this.selected().hasBeenSelected) {
            return _this.selected().hasBeenSelected();
          }
        };
      })(this));
      this.plural = "" + this.name + "s";
      this.sortFunction = null;
      this.onAfterLoad = null;
      this.onBeforeLoad = null;
      this.onAfterDelete = null;
      this.onAfterSave = null;
      this.onAfterPost = null;
      this.autoLoading = false;
      this.loading = false;
      this.url.subscribe((function(_this) {
        return function(newValue) {
          if (newValue != null) {
            return _this.load(false);
          }
        };
      })(this));
      if ((this.pushStateUri != null) && (history.pushState != null)) {
        this.selected.subscribe((function(_this) {
          return function(newValue) {
            if ((newValue != null) && (newValue.id != null)) {
              return history.pushState(_this.selected().name(), _this.selected().name(), "" + _this.pushStateUri + "/" + (_this.selected().id));
            } else {
              return history.pushState('', '', _this.pushStateUri);
            }
          };
        })(this));
      }
    }

    Db.prototype.systemNotification = function(name, value) {
      return this.viewModel.systemNotification(name, value);
    };

    Db.prototype.find = function(id) {
      var item, _i, _len, _ref;
      _ref = this.items();
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        item = _ref[_i];
        if (item.id === id) {
          return item;
        }
      }
      return null;
    };

    Db.prototype.findOrCreate = function(id) {
      var item;
      item = this.find(id);
      if (item == null) {
        item = this.newItem(id);
        this.items.push(item);
      }
      return item;
    };

    Db.prototype.canLoad = function() {
      if ((this.url() == null) || this.url() === '') {
        return false;
      }
      return true;
    };

    Db.prototype.load = function(autoReload, afterLoad) {
      if (autoReload == null) {
        autoReload = false;
      }
      if (afterLoad == null) {
        afterLoad = null;
      }
      if (!this.canLoad()) {
        return;
      }
      if (!autoReload || !this.selected()) {
        this.viewModel.systemNotification(this.plural, 'loading');
        this.viewModel.loading(true);
        if (this.onBeforeLoad != null) {
          this.onBeforeLoad();
        }
        $.get(this.url(), (function(_this) {
          return function(data) {
            _this.doLoad(data);
            if (afterLoad != null) {
              afterLoad(data);
            }
            if (_this.onAfterLoad != null) {
              _this.onAfterLoad(data);
            }
            _this.viewModel.loading(false);
            return _this.viewModel.systemNotification(_this.plural, 'loaded');
          };
        })(this));
      }
      if (autoReload) {
        this.autoLoading = true;
        setTimeout((function(_this) {
          return function() {
            return _this.load(true, afterLoad);
          };
        })(this), 120000);
      }
      return false;
    };

    Db.prototype.postTo = function(url, data, afterPost) {
      this.viewModel.systemNotification(this.name, 'saving');
      this.viewModel.loading(true);
      $.ajax({
        url: url,
        dataType: 'json',
        type: 'POST',
        data: data,
        success: (function(_this) {
          return function(data) {
            if (afterPost != null) {
              afterPost(data);
            }
            if (_this.onAfterPost != null) {
              _this.onAfterPost(data);
            }
            _this.viewModel.loading(false);
            _this.viewModel.systemNotification(_this.name, 'saved');
            return _this.load(false);
          };
        })(this)
      });
      return true;
    };

    Db.prototype.add = function() {
      var itemToAdd;
      itemToAdd = this.newItem(null);
      this.selected(itemToAdd);
      this.viewModel.systemNotification(this.name, 'new');
      return itemToAdd;
    };

    Db.prototype.save = function(item, afterSave, onError) {
      if (!item.valid() && (onError != null)) {
        onError();
      }
      if (item.id != null) {
        return this.doUpdate(item, afterSave);
      } else {
        return this.doCreate(item, afterSave);
      }
    };

    Db.prototype.doLoad = function(data) {
      var item, itemData, _i, _len, _ref;
      _ref = this.itemDataFrom(data);
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        itemData = _ref[_i];
        item = this.findOrCreate(itemData.id);
        if (item.updating != null) {
          item.updating(true);
        }
        item.updateAttributes(itemData);
        if (item.updating != null) {
          item.updating(false);
        }
      }
      if (this.sortFunction != null) {
        return this.items.sort(this.sortFunction);
      }
    };

    Db.prototype.doCreate = function(item, afterSave) {
      this.viewModel.systemNotification(this.name, 'saving');
      this.viewModel.loading(true);
      $.ajax({
        url: this.createUrl(),
        dataType: 'json',
        type: 'POST',
        data: this.toJS(item),
        success: (function(_this) {
          return function(data) {
            if (data.id != null) {
              item.id = data.id;
            }
            _this.selected(null);
            if (afterSave != null) {
              afterSave(item);
            }
            if (_this.onAfterSave != null) {
              _this.onAfterSave(item);
            }
            _this.viewModel.systemNotification(_this.name, 'saved');
            _this.viewModel.loading(false);
            return _this.load();
          };
        })(this)
      });
      return false;
    };

    Db.prototype.doUpdate = function(item, afterSave) {
      this.viewModel.systemNotification(this.name, 'saving');
      this.viewModel.loading(true);
      $.ajax({
        url: this.urlFor(item),
        dataType: 'json',
        type: 'PUT',
        data: this.toJS(item),
        success: (function(_this) {
          return function(data) {
            _this.selected(null);
            if (afterSave != null) {
              afterSave(item);
            }
            if (_this.onAfterSave != null) {
              _this.onAfterSave(item);
            }
            _this.viewModel.systemNotification(_this.name, 'saved');
            _this.viewModel.loading(false);
            return _this.load();
          };
        })(this)
      });
      return false;
    };

    Db.prototype.doDestroy = function(item, afterDelete) {
      this.viewModel.systemNotification(this.name, 'deleting');
      this.viewModel.loading(true);
      $.ajax({
        url: this.urlFor(item),
        dataType: 'json',
        type: 'DELETE',
        success: (function(_this) {
          return function(data) {
            item.id = null;
            _this.selected(null);
            _this.items.remove(item);
            if (afterDelete != null) {
              afterDelete();
            }
            if (_this.onAfterDelete != null) {
              _this.onAfterDelete(item);
            }
            _this.viewModel.systemNotification(_this.name, 'deleted');
            _this.viewModel.loading(false);
            return _this.load();
          };
        })(this)
      });
      return false;
    };

    Db.prototype.newItem = function(id) {
      return null;
    };

    Db.prototype.itemDataFrom = function(data) {
      return null;
    };

    Db.prototype.toJS = function(item) {
      return null;
    };

    Db.prototype.urlFor = function(item) {
      return null;
    };

    Db.prototype.doDelete = function(client) {
      return null;
    };

    Db.prototype.flashMessage = function(message) {
      return this.viewModel.flashMessage(message);
    };

    Db.prototype.errorMessage = function(message) {
      return this.viewModel.errorMessage(message);
    };

    return Db;

  })();

  Model = (function() {
    function Model(id, db) {
      this.id = id;
      this.db = db;
      this.elementSelector = __bind(this.elementSelector, this);
      this.elementId = __bind(this.elementId, this);
      this.viewModel = __bind(this.viewModel, this);
      this.editing = ko.observable(false);
      this.deleting = ko.observable(false);
      this.updating = ko.observable(false);
      this.selected = ko.computed((function(_this) {
        return function() {
          return _this.db.selected() === _this;
        };
      })(this));
    }

    Model.prototype.viewModel = function() {
      return this.db.viewModel;
    };

    Model.prototype.elementId = function() {
      return "" + this.db.name + "-" + this.id;
    };

    Model.prototype.elementSelector = function() {
      return "#" + (this.elementId());
    };

    Model.prototype.updateAttributes = function(data) {
      return null;
    };

    Model.prototype.valid = function() {
      return true;
    };

    Model.prototype.select = function() {
      return this.db.selected(this);
    };

    Model.prototype.deselect = function() {
      this.deleting(false);
      this.editing(false);
      return this.db.selected(null);
    };

    Model.prototype.hasBeenSelected = function() {};

    Model.prototype.edit = function() {
      this.select();
      return this.editing(true);
    };

    Model.prototype.stopEditing = function() {
      this.editing(false);
      return this.deselect();
    };

    Model.prototype.requiresDatePicker = function() {
      var i;
      i = document.createElement('input');
      i.setAttribute('type', 'date');
      return i.type !== 'date';
    };

    Model.prototype.startDeleting = function() {
      this.edit();
      return this.deleting(true);
    };

    Model.prototype.stopDeleting = function() {
      return this.deleting(false);
    };

    Model.prototype.save = function() {
      if (!this.valid()) {
        return;
      }
      this.deselect();
      return this.db.save(this);
    };

    Model.prototype.doDestroy = function() {
      this.deselect();
      return this.db.doDestroy(this);
    };

    Model.prototype.systemNotification = function(name, value) {
      return this.db.systemNotification(name, value);
    };

    return Model;

  })();

  window.ViewModel = ViewModel;

  window.Db = Db;

  window.Model = Model;

  window.viewModel = new ViewModel;

}).call(this);