<?php

include "db.php";

// define variables and set to empty values
$nameErr = $emailErr = $genderErr = $passwordErr = $cpasswordErr = "";
$cpassword = "";
$cust_email = $cust_username = $cust_password = $cust_fullname = $cust_country = $cust_dob = $cust_gender = $cust_phone ="";

if(isset($_POST["btnsignup"]))
{

    //Username Validation
    if (empty($_POST["txtcust_username"])) {
    $nameErr = "Name is required";
  } else {
    $cust_username = test_input($_POST["txtcust_username"]);
    // check if name only contains letters and whitespace
    if (!preg_match("/^[a-zA-Z ]*$/",$cust_username)) {
      $nameErr = "Only letters and white space allowed";
    }
  }

    //Email Validation
    if (empty($_POST["txtcust_email"])) {
    $emailErr = "Email is required";
  } else {
    $cust_email = test_input($_POST["txtcust_email"]);
    // check if e-mail address is well-formed
    if (!filter_var($cust_email, FILTER_VALIDATE_EMAIL)) {
      $emailErr = "Invalid email format";
    }
  }

    //Password Validation
    if(!empty($_POST["txtcust_password"]) && ($_POST["txtcust_password"] == $_POST["txtcust_cpassword"])) {
    $cust_password = test_input($_POST["txtcust_password"]);
    $cust_cpassword = test_input($_POST["txtcust_cpassword"]);
    if (strlen($_POST["txtcust_password"]) <= '6') {
        $passwordErr = "Your Password Must Contain At Least 6 Characters!";
    }
    elseif(!preg_match("#[0-9]+#",$cust_password)) {
        $passwordErr = "Your Password Must Contain At Least 1 Number!";
    }
    elseif(!preg_match("#[A-Z]+#",$cust_password)) {
        $passwordErr = "Your Password Must Contain At Least 1 Capital Letter!";
    }
    elseif(!preg_match("#[a-z]+#",$cust_password)) {
        $passwordErr = "Your Password Must Contain At Least 1 Lowercase Letter!";
    }
}
elseif(!empty($_POST["txtcust_password"])) {
    $cpasswordErr = "Please Check You've Entered Or Confirmed Your Password!";
}

//Insert Into Table
$insert = "INSERT INTO customer (cust_email,cust_username,cust_password,cust_fullname,cust_country,cust_dob,cust_gender,cust_phone)
VALUES ('$cust_email','$cust_username','$cust_password','$cust_fullname','$cust_country','$cust_dob','$cust_gender','$cust_phone') ";

$run = mysqli_query($conn,$insert);
if($run)
{
    setcookie("Name",$cust_username);
    header("Location: home.php");
}
else
echo "User has not been Add";

}
    function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
}

?>