from wtforms import Form, BooleanField, StringField, PasswordField, TextAreaField, validators
from wtforms.fields.html5 import DateField, DecimalField, IntegerField
from wtforms.widgets import TextArea
from flask_login import UserMixin

from objects import glob

class BillForm(Form):
	payment_to = StringField("Payment to", [validators.DataRequired()])
	description = TextAreaField("Description", render_kw = {
									"cols": 55,
									"rows": 8
		})
	sum = DecimalField("Sum")
	kid = IntegerField("KID")
	date_due = DateField("Date due")

class LoginForm(Form):
	email = StringField("Email", [
		validators.DataRequired(),
		validators.Length(min=6, max=254)
	])

	password = PasswordField("Password", [
		validators.DataRequired(),
		validators.Length(min=4, max=127)
	])

class RegisterForm(Form):
	email = StringField("Email", [
		validators.DataRequired(),
		validators.Length(min=6, max=254)
	])

	password = PasswordField("Password", [
		validators.DataRequired(),
		validators.Length(min=4, max=127),
		validators.EqualTo("confirm_password", message = "Passwords must match")
	])
	confirm_password = PasswordField("Repeat Password")

	firstname = StringField("Firstname", [
		validators.DataRequired(),
		validators.Length(min=2, max=30)
	])

	surname = StringField("Surname", [
		validators.DataRequired(),
		validators.Length(min=2, max=30)
	])

	accept_tos = BooleanField("I accept the TOS", [validators.DataRequired()])

class User(UserMixin):
	id = -1
	email = ""
	password = ""
	firstname = ""
	surname = ""
	def __init__(self, login):
		self.fetch_from_db(login)

	def fetch_from_db(self, login):
		conn = glob.get_sql_connection()
		cur = conn.cursor()

		cur.execute("""
		SELECT *
		FROM Bruker
		WHERE Epost = %s
		LIMIT 1;
		""", (login[0],))

		user = cur.fetchone()

		cur.close()

		if user is None:
			raise Exception("Invalid login")

		if not glob.check_password(login[1], user[2]):
			raise Exception("Incorrect password")

		self.id, self.email, self.password, self.firstname, self.surname = user

def register_account(email, password, firstname, surname):
	conn = glob.get_sql_connection()
	cur = conn.cursor()

	cur.execute("""
	INSERT INTO
	Bruker (Epost, Passord, Fornavn, Etternavn)
	VALUES (%s, %s, %s, %s);
	""", (email, glob.hash_password(password), firstname, surname))

	conn.commit()
	cur.close()