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 flask_babel import gettext as _

from objects import glob

FORM_RENDER_KW = {
	"class_": "form-control"
}

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

class WarrantyForm(Form):
	item = StringField(_("Item"), [validators.DataRequired()], render_kw = FORM_RENDER_KW)
	date_from = DateField(_("Date of purchase"), render_kw = FORM_RENDER_KW)
	date_to = DateField(_("Warranty duration"), render_kw = FORM_RENDER_KW)
	sum = DecimalField(_("Sum"), render_kw = FORM_RENDER_KW)

class ServiceForm(Form):
	name = StringField(_("Name"), [validators.DataRequired()], render_kw = FORM_RENDER_KW)
	type = StringField(_("Type"), [validators.DataRequired()], render_kw = FORM_RENDER_KW)
	contact = StringField(_("Contact"), render_kw = FORM_RENDER_KW)
	phone = IntegerField(_("Phone"), render_kw = FORM_RENDER_KW)
	website = StringField(_("Website"), render_kw = FORM_RENDER_KW)

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

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

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

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

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

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

	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()