import kivy
from kivy.uix.gridlayout import GridLayout
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.button import Label, Button
from kivy.app import App
from kivy.lang import Builder
from kivy.properties import BooleanProperty, ListProperty, StringProperty, ObjectProperty
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.uix.textinput import TextInput
import requests
from kivy.uix.recyclegridlayout import RecycleGridLayout
from kivy.uix.behaviors import FocusBehavior
from kivy.uix.recycleview.layout import LayoutSelectionBehavior
from kivy.uix.button import Button
from kivy.uix.recycleview.views import RecycleDataViewBehavior
from kivy.clock import Clock
from kivy.storage.jsonstore import JsonStore
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
import time
from kivy.uix.listview import ListItemButton, ListItemLabel
from kivy.graphics import Color, Rectangle

class orderListButton(ListItemButton):
	def __init__(self, **kwargs):
		super(orderListButton, self).__init__(**kwargs)
		self.height = "60"

	def on_press(self):
		# print("button pressed")
		orderid = self.text.split()[0]
		status = self.text.split()[3]
		# print(status)
		newstatus = "Completed"
		if status == "Pending":
			newstatus = "Now Preparing"
		elif status == "Now":
			newstatus = "Ready"
		r = requests.patch("https://nbcb-8f230.firebaseio.com/foodapp/orders/{}.json".format(orderid), data='{ "status": "'+newstatus+'" }')
		data = r.json()
		# print(r.status_code, r.reason)
		# print(data)

class orderListLabel(ListItemLabel):
	pass

class ordersScreen(Screen):

	def on_pre_enter(self):
		Clock.schedule_interval(self.refresh, 2)

	def refresh(self, *_):
		try:
			global vendorid
		except(NameError):
			global vendorid
			vendorid = ""
		# print(vendorid)
		readylist = [] # To filter orders that have not been into ready and late
		notreadylist = [] # To filter orders that have not been into pending and now preparing
		r = requests.get("https://nbcb-8f230.firebaseio.com/foodapp/orders.json?orderBy=%22vendorid%22&equalTo=%22{}%22&print=pretty".format(vendorid))
		data = r.json()
		# print(r.status_code, r.reason)
		# print(data)
		for k,v in data.items():
			if v['status'] == "Ready" or v['status'] == "Late":
				readylist.append("{:<15}{:<15}{:<15}{:<15}".format(k, v["customerid"], v["foodid"], v["status"]))
			if v['status'] == "Pending" or v['status'] == "Now Preparing":
				notreadylist.append("{:<15}{:<15}{:<15}{:<15}".format(k, v["customerid"], v["foodid"], v["status"]))
		self.ready_list.adapter.data = readylist
		self.ready_list._trigger_reset_populate()
		self.notready_list.adapter.data = notreadylist
		self.notready_list._trigger_reset_populate()

	def logout(self,*_):
		self.manager.current = 'login'

	def statuschange(self,*_):
		self.manager.current = 'orderStatus'

	print('orderscreen init!')

class loginScreen(Screen):

	def login(self, *_):

		def error():
			self.errorLabel.text = 'Incorrect Username or Password'

		username = self.user.text
		password = self.pw.text
		r = requests.get("https://nbcb-8f230.firebaseio.com/foodapp/vendors/{}.json?print=pretty".format(username))
		data = r.json()
		#print(r.status_code, r.reason)
		#print(type(data))
		if (data is None) or (username == ''):
			error()
		elif data['password'] == password :
			print("login successful!")
			global vendorid
			vendorid = username
			print(vendorid)
			self.manager.current = "orders"
		else:
			error()
	print("login screen init!")

class orderStatusScreen(Screen):

	def logout(self,*_):
		self.manager.current = 'login'


	def backtoorders(self,*_):
		self.manager.current = 'orders'

	def on_pre_enter(self):
		Clock.schedule_interval(self.refresh, 5)

	def refresh(self, *_):

		try:
			global vendorid
		except NameError:
			vendorid = ""
		r = requests.get("https://nbcb-8f230.firebaseio.com/foodapp/orders.json?orderBy=%22vendorid%22&equalTo=%22{}%22&print=pretty".format(vendorid))
		data = r.json()
		ready = [] # To filter orders that have not been into ready and late
		late = [] # To filter orders that have not been into ready and late
		pending_and_preparing = [] # To filter orders that have not been into pending and now preparing
		for k,v in data.items():
			if v['status'] == "Ready":
				ready.append(k)
			if v['status'] == "Late":
				late.append(k)
			if v['status'] == "Now Preparing":
				pending_and_preparing.append(k)
		self.ready_list.adapter.data = ready
		self.ready_list._trigger_reset_populate()
		self.preparing_list.adapter.data = pending_and_preparing
		self.preparing_list._trigger_reset_populate()

	print("orderStatusScreen init!")

class foodVendorApp(App):
	def build(self):
		sm = ScreenManager()
		sm.add_widget(loginScreen(name="login"))
		sm.add_widget(ordersScreen(name="orders"))
		sm.add_widget(orderStatusScreen(name="orderStatus"))
		sm.current = 'login'

		return sm

foodVendorApp().run()