import pymysql
import re
import time

conn = pymysql.connect(host='37.187.89.199', port=3306, user='root', passwd='123', db='dbinfo')


cur = conn.cursor()

class mainvar():
	def mainvar(self):
		mainvar.login = 0
		mainvar.changedetails = 0


class main():
	def main(self):
		print("This is a mySQL test")
		print("A) Sign Up\nB) Change details\nC) Login\n")
		reply=input().upper()
		if reply == "A":
			entername.entername()
		elif reply == "B":
			if mainvar.login == 1:
				changemenu.changemenu()
			else:
				mainvar.changedetails = 1
				menu.menu()
		if reply == "C":
			menu.menu()
		else:
			print(reply,"is not an option on the list.")
			main.main()

#Signing in
####################################################################################################################################################################################################################

class loginpage():
	def loginpage(self):

		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		loginpage.data=cur.fetchone()
		print("You are currently logged in as",loginpage.data[2])
		print("What would you like to do?")
		print("A) Sign Out\nB) Change details\nC) Show details")
		option=str(input()).upper()
		if option == "A":
			mainvar.login = 0
			print("Signing out...")
			time.sleep(3)
			main.main()
		elif option == "B":
			mainvar.changedetails = 1
			changemenu.changemenu()
		elif option == "C":
			cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
			loginpage.data=cur.fetchone()
			print("Name:",loginpage.data[0],loginpage.data[1])
			print("Username:",loginpage.data[2])
			print("Email:",loginpage.data[3])
			maths=(len(loginpage.data[4]))
			print("Password:",("*"*maths))
			loginpage.loginpage()



#assigning classes to objects
loginpage=loginpage()

#Signing in
####################################################################################################################################################################################################################
class menu():
	def menu(self):
		print("Please sign in.")
		loginemail.loginemail()

class loginemail():
	def loginemail(Self):
		print("Please enter your email adress")
		loginemail.email=str(input()).lower()
		match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', loginemail.email)
		if match == None:
			print("That is not a valid email format.")
			loginemail.loginemail()
		else:
			cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
			loginemail.data=cur.fetchone()
			if loginemail.data:
				if loginemail.data[3] == loginemail.email:
					loginpw.loginpw()
			else:
				print("This email does not exist on the database.")
				loginemailfail.loginemailfail()


class loginemailfail():
	def loginemailfail(self):
		print("Would you like to..")
		print("A) Sign up\nB) Retry")
		reply=input().upper()
		if reply == "A":
			enternam.entername()
		elif reply == "B":
			loginemail.loginemail()
		else:
			print(reply,"is not an option on the list")
			loginemailfail.loginemailfail()


class loginpw():
	def loginpw(self):
		print("Please enter your password")
		loginpw.pw=str(input())
		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		loginpw.data=cur.fetchone()
		if loginpw.data[4] == loginpw.pw:
			print("Successfully logged in")
			mainvar.login = 1
			if mainvar.changedetails == 1:
				changemenu.changemenu()
			elif mainvar.changedetails == 0 and mainvar.login == 1:
				loginpage.loginpage()
		else:
			print("Incorrect password")
			loginpw.loginpw()



#assigning classes to objects
menu=menu()
loginemail=loginemail()
loginemailfail=loginemailfail()
loginpw=loginpw()


#Changeing details
####################################################################################################################################################################################################################


class changemenu():
	def changemenu(self):
		print("What would you like to change?")
		print("A) Name")
		print("B) Username")
		print("C) Password")
		x=str(input()).upper()
		if x == "A":
			changenames.changenames()
		elif x == "B":
			changeusername.changeusername()
		elif x == "C":
			changepw.changepw()
		else:
			print(x,"is not an option on the list.")
			changemenu.changemenu()

class changenames():
	def changenames(self):
		print("Please enter the following")
		changename.changename()


class changename():
	def changename(self):
		print("Enter your new first name")
		changename.name=str(input()).title()
		if changename.name == "":
			print("You haven't entered anything")
			entername.entername()
		else:
			changesname.changesname()

class changesname():
	def changesname(self):
		print("Please enter your new second name")
		changesname.name=str(input()).title()
		if changesname.name == "":
			print("You haven't entered anything")
			changesname.changesname()
		else:
			changenameend.changenameend()

class changenameend():
	def changenameend(self):
		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		changenameend.data=cur.fetchone()
		print("Name:",changename.name,changesname.name)
		print("NickName:",changenameend.data[2])
		print("Email:",changenameend.data[3])
		print("Are these details correct?\nY/N")
		option=str(input()).upper()
		if option == "Y":
			cur.execute("UPDATE userinfo SET firstname = '"+changename.name+"',lastname = '"+changesname.name+"' WHERE firstname='"+changenameend.data[0]+"' AND lastname='"+changenameend.data[1]+"' AND email = '"+changenameend.data[3]+"' AND nickname = '"+changenameend.data[2]+"' AND password = '"+changenameend.data[4]+"';")
			conn.commit()
			main.main()
		elif option == "N":
			print("Would you like to..")
			print("A) exit")
			print("B) try again")
			option2=str(input()).upper()
			if option2 == "A":
				exit()
			elif option2 == "B":
				changenames.changenames()
			else:
				print(option2,"is not an option on the list")
				changenameend.changenameend()


class changeusername():
	def changeusername(self):
		print("Enter your new username")
		changeusername.name=str(input()).lower()
		if changeusername.name == "":
			print("You haven't entered anything")
			changeusername.changeusername()
		else:
			changeusernameend.changeusernameend()

class changeusernameend():
	def changeusernameend(self):
		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		changeusernameend.data=cur.fetchone()
		print("Name:",changeusernameend.data[0],changeusernameend.data[1])
		print("NickName:",changeusername.name)
		print("Email:",changeusernameend.data[3])
		print("Are these details correct?\nY/N")
		option=str(input()).upper()
		if option == "Y":
			cur.execute("UPDATE userinfo SET nickname = '"+changeusername.name+"' WHERE firstname='"+changeusernameend.data[0]+"' AND lastname='"+changeusernameend.data[1]+"' AND email = '"+changeusernameend.data[3]+"' AND nickname = '"+changeusernameend.data[2]+"' AND password = '"+changeusernameend.data[4]+"';")
			conn.commit()
			main.main()
		elif option == "N":
			print("Would you like to..")
			print("A) exit")
			print("B) try again")
			option2=str(input()).upper()
			if option2 == "A":
				exit()
			elif option2 == "B":
				changeusername.changeusername()
			else:
				print(option2,"is not an option on the list")
				changeusernameend.changeusernameend()


class changepw():
	def changepw(self):
		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		changepw.data=cur.fetchone()
		print("Enter your old password.")
		changepw.old=str(input())
		if changepw.old != changepw.data[4]:
			print("Password is invalid.")
			changepw.changepw()
		else:
			print("Please create a new password")
			changepw.new=str(input())
			print("Please re-enter your new password")
			changepw.new2=str(input())
			if changepw.new == changepw.new2:
				changepwend.changepwend()
			else:
				print("The 2 passwords didn't match")
				changepw.changepw()

class changepwend():
	def changepwend(self):
		cur.execute("SELECT * FROM userinfo WHERE email ='"+loginemail.email+"';")
		changepwend.data=cur.fetchone()
		print("Name:",changepwend.data[0],changepwend.data[1])
		print("Username:",changepwend.data[2])
		print("Email:",changepwend.data[3])
		print("Are these details correct?\nY/N")
		option=str(input()).upper()
		if option == "Y":
			cur.execute("UPDATE userinfo SET password = '"+changepw.new+"' WHERE firstname='"+changepwend.data[0]+"' AND lastname='"+changepwend.data[1]+"' AND email = '"+changepwend.data[3]+"' AND nickname = '"+changepwend.data[2]+"' AND password = '"+changepwend.data[4]+"';")
			conn.commit()
			mainvar.login = 0
			print("Password successfully changed")
			main.main()
		elif option == "N":
			print("Would you like to..")
			print("A) exit")
			print("B) try again")
			option2=str(input()).upper()
			if option2 == "A":
				exit()
			elif option2 == "B":
				changepw.changepw()
			else:
				print(option2,"is not an option on the list")
				changepwend.changepwend()



#assigning classes to objects
changemenu=changemenu()
changenames=changenames()
changename=changename()
changesname=changesname()
changenameend=changenameend()
changeusername=changeusername()
changeusernameend=changeusernameend()
changepw=changepw()
changepwend=changepwend()


#registering
####################################################################################################################################################################################################################
class entername():
	def entername(self):
		print("Please enter your first name")
		entername.name=str(input()).title()
		if entername.name == "":
			print("You haven't entered anything")
			entername.entername()
		else:
			entersname.entersname()

class entersname():
	def entersname(self):
		print("Please enter your last name")
		entersname.name=str(input()).title()
		if entersname.name == "":
			print("You haven't entered anything")
			entersname.entersname()
		else:
			enternickname.enternickname()

class enternickname():
	def enternickname(self):
		print("Please enter your username")
		enternickname.name=str(input()).lower()
		cur.execute("SELECT email FROM userinfo WHERE nickname = '"+enternickname.name+"';")
		enternickname.data=cur.fetchone()
		if enternickname.name == "":
			print("You haven't entered anything")
			enternickname.enternickname()
		elif enternickname.data:
			print(enternickname.name,"is already taken.")
			enternickname.enternickname()
		else:
			enteremail.enteremail()

class enteremail():
	def enteremail(self):
		print("Please enter your email")
		enteremail.name=str(input()).lower()
		cur.execute("SELECT nickname FROM userinfo WHERE email = '"+enteremail.name+"';")
		enteremail.data=cur.fetchone()
		match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', enteremail.name)
		if match == None:
			print("That is not a valid email.")
			enteremail.enteremail()
		elif enteremail.data:
			print("There is already an account with the email",enteremail.name)
			enteremail.enteremail()
		else:
			enterpassword.enterpassword()


class enterpassword():
	def enterpassword(self):
		print("Please create a password")
		enterpassword.pw=str(input())
		print("Please repeat your password")
		enterpassword.pwr=str(input())
		if enterpassword.pw == enterpassword.pwr:
			enterpassword.pw == enterpassword.pwr
			details.details()
		else:
			print("The 2 passwords don't match")
			enterpassword.enterpassword()


class details():
	def details(self):
		print("Name:",entername.name,entersname.name)
		print("NickName:",enternickname.name)
		print("Email:",enteremail.name)
		print("Are these details correct?\nY/N")
		details.ans=input().upper()
		if details.ans == "Y":
			print("Thank you for registering.")
			signupinject.signupinject()
		elif details.ans == "N":
			entername.entername()
		else:
			details.details()

class signupinject():
	def signupinject(self):
		cur.execute("INSERT INTO userinfo(firstname,lastname,nickname,email,password) VALUES('"+entername.name+"','"+entersname.name+"','"+enternickname.name+"','"+enteremail.name+"','"+enterpassword.pw+"');")
		conn.commit()
		main.main()

#assigning classes to objects to retrieve the variables within the functions.

main=main()
entername=entername()
entersname=entersname()
enternickname=enternickname()
enteremail=enteremail()
enterpassword=enterpassword()
details=details()
signupinject=signupinject()
mainvar=mainvar()

print("\n")
mainvar.mainvar()
main.main()