import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

public class SignUp extends AppCompatActivity {
private Button logIn;
private EditText userEmail,userPass,userTelephone,userName;
    private FirebaseAuth mAuth;
    private boolean validateFields(EditText[] valueEvalution)
    {
        for(int x=0;x<valueEvalution.length;x++)
        {
            EditText textField=valueEvalution[x];
            if(textField.getText().toString().isEmpty())
            {
                Toast.makeText(this, "Fill all Fields Please", Toast.LENGTH_SHORT).show();
                return false;
            }

        }
        return true;
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        FirebaseDatabase.getInstance().setPersistenceEnabled(true);
        setContentView(R.layout.activity_sign_up);
        logIn=(Button)findViewById(R.id.btnSignUp);
        userEmail=(EditText)findViewById(R.id.txtEmailAddress);
        userTelephone=(EditText)findViewById(R.id.txtTelephone);
        userName=(EditText)findViewById(R.id.txtUserName);
        userPass=(EditText )findViewById(R.id.txtPasscode);

        mAuth = FirebaseAuth.getInstance();
        logIn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(!validateFields(new EditText[] {userEmail,userName,userPass,userTelephone})) {
                    Toast.makeText(SignUp.this, "All Fields Required", Toast.LENGTH_SHORT).show();
                    return;
                }
                String email=userEmail.getText().toString().trim();
                String password=userPass.getText().toString().trim();
                String telephoneNumber=userTelephone.getText().toString().trim();
                String username=userName.getText().toString().trim();

                final NewUser newUser=new NewUser(username,email,password, telephoneNumber,0);

                mAuth.createUserWithEmailAndPassword(email, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                      if(task.isSuccessful()){
                          FirebaseUser user=mAuth.getCurrentUser();
                          DatabaseReference myRef=FirebaseDatabase.getInstance().getReference();

                          myRef.child(user.getUid()).setValue(newUser).addOnCompleteListener(new OnCompleteListener<Void>() {
                              @Override
                              public void onComplete(@NonNull Task<Void> task) {
                                  Intent intent=new Intent(SignUp.this,typeOfUser.class);
                                  startActivity(intent);
                                  finish();
                              }
                          });

                      }
                      else
                      {
                          Toast.makeText(SignUp.this, "Check Invalid Fields", Toast.LENGTH_SHORT).show();
                            return;
                      }
                    }
                });

            }
        });
    }
}