library recipe_book_controller;

import 'package:angular/angular.dart';

import 'recipe.dart';

import 'tooltip/tooltip_directive.dart';

@NgController(

selector: '[recipe-book]',

publishAs: 'ctrl')

class RecipeBookController {

static const String LOADING_MESSAGE = "Loading recipe book...";

static const String ERROR_MESSAGE = """Sorry! The cook stepped out of the

kitchen and took the recipe book with him!""";

Http _http;

// Determine the initial load state of the app

String message = LOADING_MESSAGE;

bool recipesLoaded = false;

bool categoriesLoaded = false;

// Data objects that are loaded from the server side via json

List categories = [];

List<Recipe> recipes = [];

// Filter box

Map<String, bool> categoryFilterMap = {};

String nameFilterString = "";

RecipeBookController(Http this._http) {

_loadData();

}

Recipe selectedRecipe;

void selectRecipe(Recipe recipe) {

selectedRecipe = recipe;

}

// Tooltip

static final _tooltip = new Expando<TooltipModel>();

TooltipModel tooltipForRecipe(Recipe recipe) {

if (_tooltip[recipe] == null) {

_tooltip[recipe] = new TooltipModel(recipe.imgUrl,

"I don't have a picture of these recipes, "

"so here's one of my cat instead!",

80);

}

return _tooltip[recipe]; // recipe.tooltip

}

void clearFilters() {

categoryFilterMap.keys.forEach((f) => categoryFilterMap[f] = false);

nameFilterString = "";

}

void _loadData() {

recipesLoaded = false;

categoriesLoaded = false;

_http.get('recipes.json')

.then((HttpResponse response) {

print(response);

for (Map recipe in response.data) {

recipes.add(new Recipe.fromJsonMap(recipe));

}

recipesLoaded = true;

},

onError: (Object obj) {

print(obj);

recipesLoaded = false;

message = ERROR_MESSAGE;

});

_http.get('categories.json')

.then((HttpResponse response) {

print(response);

for (String category in response.data) {

categories.add(category);

categoryFilterMap[category] = false;

}

categoriesLoaded = true;

},

onError: (Object obj) {

print(obj);

categoriesLoaded = false;

message = ERROR_MESSAGE;

});

}

}