diff --git a/CMakeLists.txt b/CMakeLists.txt
index f965e73..97671bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,8 @@ add_executable(park
         headers/Park_time.h
         Query.cpp
         headers/Query.h
+        Interface.cpp
+        headers/Interface.h
  )
 
 
diff --git a/Customer.cpp b/Customer.cpp
index ea435a0..f74c23f 100644
--- a/Customer.cpp
+++ b/Customer.cpp
@@ -1,18 +1,18 @@
 #include "headers/Customer.h"
 
 // constructors
-Customer::Customer(string name_, string password_, Verhicle_type verhicle_)
-    : name{name_}, verhicle{verhicle_}, password{hash_password(password_)} {
+Customer::Customer(string name_, string password_, Vehicle_type vehicle_)
+    : name{name_}, vehicle{vehicle_}, password{hash_password(password_)} {
     id = auto_increment_db() + 1;
     save_db();
 }
 
 Customer::Customer(int id_, string name_, string password_,
-                   Verhicle_type verhicle_, vector<Park_time> instances)
+                   Vehicle_type vehicle_, vector<Park_time> instances)
     :id{id_},
      name{name_},
       password{password_},
-      verhicle{verhicle_},
+      vehicle{vehicle_},
       park_instances{instances} {}
 
 
@@ -49,7 +49,7 @@ void Customer::gen_monthly() {
 void Customer::save_db() {
     string statement{"insert into Customer values (, '', '', );"};
     // after ( = 28)
-    statement.insert(38, to_string(int(verhicle)));
+    statement.insert(38, to_string(int(vehicle)));
     statement.insert(36, password);
     statement.insert(32, name);
     statement.insert(29, to_string(id));
diff --git a/Interface.cpp b/Interface.cpp
new file mode 100644
index 0000000..7829c04
--- /dev/null
+++ b/Interface.cpp
@@ -0,0 +1,40 @@
+#include "headers/Interface.h"
+
+void interface_member() {
+    int id;
+    string password;
+    cout << "\nPlease input id:";
+    cin >> id;
+    Customer c = query_customer_with_id(id);
+    cout << "\nPlease input password:";
+    cin >> password;
+    while (!(verify_password(c.password, password))){
+        cout << "ERROR: wrong password. Please retype your password \n";
+        cin >> password;
+    }
+    cout << "Logged in succesfully\n";
+
+    // if (verify_password(c.password, password)) {
+    //     cout << "\nLogged in successfully.";
+    // } else {
+    //     cout
+    //         << "Error, id and password combination not found, please try again.";
+    // }
+}
+
+void interface_admin() {}
+
+void interface() {
+    int selector;
+    cout << "\nHello and welcome to the parking spot! Please select a suitable "
+            "option:";
+    cout << "\n[1]Log in as member";
+    cout << "\n[2]Log in as administrator";
+    cin >> selector;
+    switch (selector) {
+    case 1:
+        interface_member();
+    case 2:
+        interface_admin();
+    }
+}
diff --git a/Query.cpp b/Query.cpp
index 9e84a65..dbe898b 100644
--- a/Query.cpp
+++ b/Query.cpp
@@ -38,16 +38,16 @@ vector<Customer> query_customer_with_name(string name) {
     vector<Customer> result;
     SQLite::Statement query(
         data::db,
-        "SELECT id, name, password, verhicle FROM Customer WHERE name = ?;");
+        "SELECT id, name, password, vehicle FROM Customer WHERE name = ?;");
     query.bind(1, name);
     while (query.executeStep()) {
         int id = query.getColumn(0);
         string name_ = query.getColumn(1);
         string password = query.getColumn(2);
-        int verhicle = query.getColumn(3); // cast to verhicle
+        int vehicle = query.getColumn(3); // cast to vehicle
         vector<Park_time> park_instances = query_parktimes_for_customer(id);
         result.push_back(Customer{
-            id, name_, password, Verhicle_type(verhicle), park_instances});
+            id, name_, password, Vehicle_type(vehicle), park_instances});
     }
     return result;
 }
@@ -65,12 +65,12 @@ Customer query_customer_with_id(int id) {
     while (query.executeStep()) {
         string name = query.getColumn(1);
         string password = query.getColumn(2);
-        int verhicle = query.getColumn(3); // cast to verhicle
+        int vehicle = query.getColumn(3); // cast to vehicle
         vector<Park_time> park_instances = query_parktimes_for_customer(id);
         Customer result{
-            id, name, password, Verhicle_type(verhicle), park_instances};
+            id, name, password, Vehicle_type(vehicle), park_instances};
         // DEBUG
-        // cout << "{" << result.id << "," <<result.password <<"," << int(verhicle) << "}\n";
+        // cout << "{" << result.id << "," <<result.password <<"," << int(vehicle) << "}\n";
         return result;
     }
 }
diff --git a/data.cpp b/data.cpp
index f003491..be27c0d 100644
--- a/data.cpp
+++ b/data.cpp
@@ -20,7 +20,7 @@ SQLite::Database start_db() {
     //sql syntax is surprisingly readable.
     db.exec(
         "create table if not exists Customer (id integer primary key, name "
-        "text, password text, verhicle int)");
+        "text, password text, vehicle int)");
         // getting errors when using bool, so i used an int instead.
     db.exec(
         "create table if not exists Park_spot (id integer primary key, taken "
diff --git a/headers/Customer.h b/headers/Customer.h
index eb91e95..03ad182 100644
--- a/headers/Customer.h
+++ b/headers/Customer.h
@@ -11,12 +11,12 @@ using std::vector;
 
 /*
 enum classes make it easy to represent categories.
-So you can use something like Verhicle_type::car instead of 2. but under the
+So you can use something like Vehicle_type::car instead of 2. but under the
 hood, it's still an int. This is here so you won't have to have global variables
 for these categories, or worse, use magic numbers in the code.
 
  */
-enum class Verhicle_type { bike = 1, small_car = 2, suv = 3, pickup = 4 };
+enum class Vehicle_type { bike = 1, small_car = 2, suv = 3, pickup = 4 };
 
 /*
 Customer constructors do the same stuff as all the other constructors.
@@ -38,8 +38,8 @@ class Customer {
     int id;
     string name;
     string password;
-    Customer(string name_, string password_, Verhicle_type verhicle_);
-    Customer(int id_, string name_, string password_, Verhicle_type verhicle_,
+    Customer(string name_, string password_, Vehicle_type vehicle_);
+    Customer(int id_, string name_, string password_, Vehicle_type vehicle_,
              vector<Park_time> instances);
     void clock_in(int s_id);
     void clock_out(int s_id);
@@ -48,7 +48,7 @@ class Customer {
     void delete_db();
 
     void gen_monthly();
-    Verhicle_type verhicle;
+    Vehicle_type vehicle;
 
   private:
     vector<Park_time> park_instances;
diff --git a/headers/Interface.h b/headers/Interface.h
new file mode 100644
index 0000000..104ba70
--- /dev/null
+++ b/headers/Interface.h
@@ -0,0 +1,9 @@
+
+
+#include "Query.h"
+
+using std::cin;
+
+void interface();
+void interface_member();
+void interface_admin();
\ No newline at end of file
diff --git a/headers/Park_spot.h b/headers/Park_spot.h
index 61a994c..e50dfdc 100644
--- a/headers/Park_spot.h
+++ b/headers/Park_spot.h
@@ -18,6 +18,7 @@ class Park_spot {
     int id;
     bool taken;
     int parked_customer;
+    
     Park_spot();
     Park_spot(int id_, bool taken_, int parked);
     void clock(Customer& c_customer);
diff --git a/main.cpp b/main.cpp
index 65a5058..7d88f59 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,4 @@
-#include "headers/Query.h"
+#include "headers/Interface.h"
 
 #include <thread>
 
@@ -70,17 +70,15 @@ For now, it's just here in case you want an easy way to store customers.
  */
 
 int main() {
-    Customer sagar = query_customer_with_name("stefan udit")[0];
-    Customer sagar1 = query_customer_with_id(2);
-    cout << sagar.id << "," << sagar.name << "," << sagar.password << "\n";
-    cout << sagar1.id << "," << sagar1.name << "," << sagar1.password;
-    cout << parking_spots.size();
+    // er is een customer met id 1(testcustomer) met password "password"
+    
+    // Customer test {
+    //     "testcustomer", "password", Vehicle_type::bike
+    // };
+
+    interface();
 
-    for (auto i : parking_spots) {
-        cout << "\n" << i.id << "," << i.parked_customer;
-    }
 
-    populate_spots();
 }
 
 /*
diff --git a/old_test.db3 b/old_test.db3
deleted file mode 100644
index 108a7ad..0000000
Binary files a/old_test.db3 and /dev/null differ
diff --git a/test.db3 b/test.db3
index fb38b23..6e83b13 100644
Binary files a/test.db3 and b/test.db3 differ