console_prac.coffee

_ = require "lodash"
{Model, Collection} = require "backbone"


#Creating a simple todo collection
class Todo extends Model
	defaults:
		title: "",
		completed: false

class TodoCol extends Collection
	model: Todo

myTodo = new Todo {title: "Show students a model/collection", id: 2}


todos = new TodoCol [myTodo]
console.log "Collections size: #{todos.length}"
console.log "my collection looks like this ", todos.toJSON()

a = new Todo title: "give my lecture talk"
b = new Todo title: "listen to lecture"
c = new Todo title: "Hey there y'all"

todos = new TodoCol [a,b]
console.log "my new todo list", todos.toJSON()

todos.add c
console.log "My new item added to todos ", todos.toJSON()

todos.remove c
console.log "My new item ripped away from his collection friends", todos.toJSON()

items = new Collection
items.add( [{id: 1, name: "Dog", age: 3},
	{id: 2, name: "Cat", age: 35}])
console.log "My items are: ", items.toJSON()

items.add( {id: 1, name: "Bear", age: 3})
console.log "Changed items are ", items.toJSON()


# Retrieve Models from a collection
anotherTodo = new Todo {title: "Show off retrieving models", id:2}

todos = new TodoCol [anotherTodo]
todoTwo = todos.get(2)
console.log  "Todo2: ", todoTwo.toJSON()

console.log todoTwo == anotherTodo

MoreTodos = new Collection()
MoreTodos.on "add", (todo)->
	console.log "I should #{todo.get('title')}. I've #{if todo.get('completed') then 'totally' else 'never'} done that before"

MoreTodos.add({title: "do something awesome!!", completed: false})

console.log MoreTodos

MoreTodos.add([{title: "do something awesome!!", completed: false},{title: "finish lecture", completed: false},{title: "do nothing", completed: true}])

console.log MoreTodos.toJSON()


# Reseting and Refreshing Collections!! (ooOOhh)

OtherTodos = new Collection()

OtherTodos.add([
	{id: 1, title: "Go To Dinner", completed: false},
	{id: 2, title: "Go To Bed", completed: false},
	{id: 3, title: "Wake Up", completed: true}
])

OtherTodos.on "add", (model)->
	console.log "My todo #{model.get('title')}"

OtherTodos.on "remove", (model)->
	console.log "I removed #{model.get('title')}"

OtherTodos.on "change:completed", (model)->
	console.log "I changed completed #{model.get('title')}"

#OtherTodos.set( [{id: 1, title: "Go To Dinner", completed: true}, {id: 2, title: "Blah"}, {id: 4, title: "Work", completed: true}])

#console.log OtherTodos.toJSON()

# TO RESET everything 

OtherTodos.on "reset", ->
	console.log "I was completely reset!!!!"

OtherTodos.reset([{id: 1, title: "Go To Dinner", completed: true}])
console.log OtherTodos.toJSON()