/**
 * @fileoverview A quick rewrite of the todo app
 */
goog.provide("todo.main");
goog.require("ydn.db.Storage");

var schema = {
    version: 2,
    size: 1 * 1024 * 1024, // 1MB
    stores: [{
        name: "todo",
        keyPath: "timeStamp"
    }]
};
var dbName="todo4";

/**
 * @param {string} dbName
 * @param {Object} schema
 */
var db = new ydn.db.Storage(dbName, schema);

/**
 * @param {Object} id
 */
todo.main.deleteTodo = function (id) {
    var request = db.clear('todo', id);
    todo.main.getAllTodoItems();
};

todo.main.getAllTodoItems = function () {
    var todos = document.getElementById("todoItems");
    todos.innerHTML = "";
    var df = db.get('todo');
    df.success(function (items) {
        var n = items.length;
        for (var i = 0; i < n; i++) {
            todo.main.renderTodo(items[i]);
        }
    });
    df.error(function (x) {
        console.log('Failed: ' + x);
    })
};

/**
 * @param {Object} row
 */
todo.main.renderTodo = function (row) {
    var todos = document.getElementById("todoItems");
    var li = document.createElement("li");
    var a = document.createElement("a");
    var t = document.createTextNode(row.text);
    a.addEventListener("click", function () {
        deleteTodo(row.timeStamp);
    }, false);
    a.textContent = " [Delete]";
    li.appendChild(t);
    li.appendChild(a);
    todos.appendChild(li)
};

todo.main.addTodo = function () {
    var todo = document.getElementById("todo");
    var data = {
        "text":todo.value,
        "timeStamp":new Date().getTime()
    };
    db.put('todo', data);
    todo.value = "";
    todo.main.getAllTodoItems();
};

todo.main.init = function () {
    todo.main.getAllTodoItems();
}

todo.main.init();

//window["ydn.db.Storage"]= ydn.db.Storage;

goog.exportSymbol("ydn.db.Storage");
goog.exportSymbol("todo.main.init");
goog.exportSymbol("todo.main.renderTodo");
goog.exportSymbol("todo.main.getAllTodo");
goog.exportSymbol("todo.main.deleteTodo");
goog.exportSymbol("todo.main.addTodo");