Register

//
//  FirebaseRegister.swift
//  Olygon
//
//  Created by Thibau on 18/03/19.
//  Copyright © 2019 Olygon. All rights reserved.
//

import Foundation
import UIKit
import FirebaseAuth
import FirebaseDatabase

internal class FirebaseRegister: UIViewController {
    //Section for functions
    func ErrorMessage(titleMessage:String,userMessage:String) -> Void {
        DispatchQueue.main.async {
            let Meldingcontroller = UIAlertController(title: titleMessage , message:userMessage , preferredStyle: .alert)
            let isok = UIAlertAction(title: "ok", style: .default)
            {
                (action:UIAlertAction!) in
                DispatchQueue.main.async {
                }
            }
            Meldingcontroller.addAction(isok)
            self.present(Meldingcontroller, animated: true,completion: nil)
        }
    }

    func ConfirmMessage(titleMessage:String,userMessage:String) -> Void {
        DispatchQueue.main.async {
            let Meldingcontroller = UIAlertController(title: titleMessage , message:userMessage , preferredStyle: .alert)
            let isok = UIAlertAction(title: "Continue", style: .default)
            {
                (action:UIAlertAction!) in
                DispatchQueue.main.async {
                    self.performSegue(withIdentifier: "ConfirmSegue", sender: self)
                }
            }
            Meldingcontroller.addAction(isok)
            self.present(Meldingcontroller, animated: true,completion: nil)
        }
    }

    func isValidEmail(email:String?) -> Bool {

        guard email != nil else { return false }

        let regEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}"

        let pred = NSPredicate(format:"SELF MATCHES %@", regEx)
        return pred.evaluate(with: email)
    }

    func isValidPassword(testStr:String?) -> Bool {
        guard testStr != nil else { return false }
        let regExPass = "(?=.*[A-Z])(?=.*[0-9])(?=.*[a-z]).{8,}"

        let passwordTest = NSPredicate(format: "SELF MATCHES %@", regExPass)
        return passwordTest.evaluate(with: testStr)
    }
    //Section for onscreen links
    @IBOutlet weak var txtName: UITextField!
    @IBOutlet weak var txtSurname: UITextField!
    @IBOutlet weak var txtUsername: UITextField!
    @IBOutlet weak var txtEmail: UITextField!
    @IBOutlet weak var txtPassword: UITextField!
    @IBOutlet weak var txtPasswordConfirm: UITextField!
    @IBOutlet weak var imgVinkje: UIImageView!

    var ref: DatabaseReference!
    var tVinkje = 1
    var username = ""


    //section for code
    @IBAction func btnRegister(_ sender: Any) {
        username = ""
       ref = Database.database().reference()
                if txtName.text == "" || txtSurname.text == "" || txtUsername.text == "" || txtPasswordConfirm.text  == "" || txtEmail.text == "" || txtPassword.text == "" {
                    print("You have to fill in all credentials (Iets vergeten invullen) except Email and password(1)")
                    ErrorMessage(titleMessage: "ERROR", userMessage: "You have to fill in all credentials")
                }else{
                    if isValidPassword(testStr: txtPassword.text) == false  /*Password controle met regEx*/{
                        print("Passwords do not match the following needs such as at least one uppercase, at least one digit, at least one lowercase or 8 characters total")
                        ErrorMessage(titleMessage: "ERROR", userMessage: "Password does not meet complexity requirements")
                    }else{
                        if isValidEmail(email: txtEmail.text) == false{
                            print("Please fill in a correct email. Make sure to include '@'")
                            ErrorMessage(titleMessage: "ERROR", userMessage: "Please fill in a correct email. Make sure to include '@'")
                        }else{
                            if txtPassword.text != txtPasswordConfirm.text{
                            print("Passwords do not match! (Pass (1) & Pass (2))")
                            ErrorMessage(titleMessage: "ERROR", userMessage: "Passwords do not match")
                            }else{
                                if imgVinkje.isHidden != false{
                                    print("GDPR has not been confirmed")
                                    ErrorMessage(titleMessage: "ERROR", userMessage: "Please confirm our privacy rules")
                                }else{
                                    Auth.auth().createUser(withEmail: txtEmail.text!, password: txtPassword.text!) { (user, error) in
                                        if error == nil {
                                            self.username = self.txtUsername.text!

                                           // self.ref?.child("Users").setValue(["Email":self.txtEmail.text,"Name":self.txtName.text, "Surname":self.txtSurname.text])
                                            self.ref?.child("users").child(self.username).setValue(["Email":self.txtEmail.text,"Name":self.txtName.text, "Surname":self.txtSurname.text])

                                            print("You have registered")
                                            self.ConfirmMessage(titleMessage: "Registration Succesfull", userMessage: "Press 'Ok' to continue")
                                        }else{
                                            print(error)//vang overblijvende errors op in console
                                            self.ErrorMessage(titleMessage: "ERROR", userMessage: "Unexpected error")

                            }
                        }
                    }
                }
            }
        }
    }

    }
    @IBAction func btnGdpr(_ sender: Any) {
        tVinkje = tVinkje + 1

        if tVinkje % 2 == 0{
            imgVinkje.isHidden = false
        }else{
            imgVinkje.isHidden = true
        }
    }
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        var usernamesend = segue.destination as! Mainpage
        usernamesend.Username = txtUsername.text ?? ""

    }
}