package examples;

import de.sonallux.spotify.api.SpotifyApiException;

import de.sonallux.spotify.api.SpotifyWebApi;

import de.sonallux.spotify.api.authorization.InMemoryTokenStore;

import de.sonallux.spotify.api.authorization.Scope;

import de.sonallux.spotify.api.authorization.SpotifyAuthorizationException;

import de.sonallux.spotify.api.authorization.authorization_code.AuthorizationCodeFlow;

public class AuthorizationCodeExample {

private final SpotifyWebApi spotifyApi;

private final AuthorizationCodeFlow authCodeFlow;

public AuthorizationCodeExample() {

var tokenStore = new InMemoryTokenStore();

this.authCodeFlow = new AuthorizationCodeFlow("<client id>", "<client secret>", "<redirect uri>", tokenStore);

this.spotifyApi = SpotifyWebApi.builder().authorization(authCodeFlow).build();

}

public static void main(String[] args) {

var example = new AuthorizationCodeExample();

if (example.authorize()) {

// Once authorized the access token will be automatically renewed, if is has expired

example.useTheSpotifyWebApi();

}

}

private boolean authorize() {

// Navigate the user to this authorizationUrl, so he can grant access

var authorizationUrl = authCodeFlow.createAuthorizationUrl()

.state("<state>")

.scopes(Scope.USER_LIBRARY_READ)

//.showDialog(true)

.build();

// After successful authorization the user will be redirected

var responseUrl = "<redirect response url>";

var redirectResponse = authCodeFlow.parseAuthorizationRedirectResponse(responseUrl);

//Validate redirectResponse.getState() with the state parameter you choose for the authorization url

if (!redirectResponse.isSuccess()) {

System.err.println("Authorization failed: " + redirectResponse.getError());

return false;

}

try {

authCodeFlow.exchangeAuthorizationCode(redirectResponse);

return true;

} catch (SpotifyAuthorizationException e) {

e.printStackTrace();

return false;

}

}

private void useTheSpotifyWebApi() {

try {

var usersSavedTracks = spotifyApi.getTracksApi().getUsersSavedTracks().build().execute();

usersSavedTracks.getItems().forEach(System.out::println);

} catch (SpotifyApiException e) {

e.printStackTrace();

}

}

}