package eu.eudat.security.validators.b2access;

import eu.eudat.exceptions.security.NonValidTokenException;
import eu.eudat.models.login.LoginInfo;
import eu.eudat.models.loginprovider.LoginProviderUser;
import eu.eudat.models.security.Principal;
import eu.eudat.security.customproviders.B2AccessCustomProvider;
import eu.eudat.security.customproviders.B2AccessUser;
import eu.eudat.security.validators.TokenValidator;
import eu.eudat.security.validators.b2access.helpers.B2AccessRequest;
import eu.eudat.security.validators.b2access.helpers.B2AccessResponseToken;
import eu.eudat.services.operations.AuthenticationServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.security.GeneralSecurityException;

/**
 * Created by ikalyvas on 2/22/2018.
 */
@Component("b2AccessTokenValidator ")
public class B2AccessTokenValidator implements TokenValidator {

    private B2AccessCustomProvider b2AccessCustomProvider;
    private AuthenticationServiceImpl authenticationServiceImpl;
    private Environment environment;

    @Autowired
    public B2AccessTokenValidator(AuthenticationServiceImpl authenticationServiceImpl, Environment environment, B2AccessCustomProvider b2AccessCustomProvider) {
        this.authenticationServiceImpl = authenticationServiceImpl;
        this.environment = environment;
        this.b2AccessCustomProvider = b2AccessCustomProvider;
    }

    @Override
    public Principal validateToken(LoginInfo credentials) throws NonValidTokenException, IOException, GeneralSecurityException {
        B2AccessUser b2AccessUser = this.b2AccessCustomProvider.getUser(credentials.getTicket());
        LoginProviderUser user = new LoginProviderUser();
        user.setId(b2AccessUser.getId());
        user.setEmail(b2AccessUser.getEmail());
        user.setName(b2AccessUser.getName());
        user.setProvider(credentials.getProvider());
        user.setSecret(credentials.getTicket());
        return this.authenticationServiceImpl.Touch(user);
    }

    public B2AccessResponseToken getAccessToken(B2AccessRequest b2AccessRequest) {
        return this.b2AccessCustomProvider.getAccessToken(b2AccessRequest.getCode(), this.environment.getProperty("b2access.externallogin.redirect_uri")
                , this.environment.getProperty("b2access.externallogin.clientid")
                , this.environment.getProperty("b2access.externallogin.clientSecret"));
    }
}