package com.mailserver.config;

import com.mailserver.smtp.SmtpTls;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.HttpHandler;
import reactor.core.publisher.Mono;
import reactor.netty.http.client.HttpClient;

import java.nio.charset.StandardCharsets;
import java.nio.file.Path;

import static org.assertj.core.api.Assertions.assertThat;

/** https://mail.jambocheck.com: the web client over HTTPS with the mail certificate. */
class HttpsConfigTest {

    @Test
    void servesTheWebAppOverTls(@TempDir Path dir) throws Exception {
        MailServerConfig.SmtpTlsContext tls = new MailServerConfig.SmtpTlsContext(SmtpTls.serverContext("", "", dir, "localhost"));
        HttpHandler handler = (request, response) -> {
            response.setStatusCode(HttpStatus.OK);
            return response.writeWith(Mono.just(DefaultDataBufferFactory.sharedInstance
                    .wrap(("hello " + request.getURI().getScheme()).getBytes(StandardCharsets.UTF_8))));
        };
        io.netty.handler.ssl.SslContext trustAll = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        HttpsConfig.HttpsServer server = new HttpsConfig.HttpsServer(handler, tls, "127.0.0.1", 0);
        server.start();
        try {
            assertThat(server.isRunning()).isTrue();
            String body = HttpClient.create()
                    .secure(spec -> spec.sslContext(trustAll))
                    .get().uri("https://127.0.0.1:" + server.port() + "/")
                    .responseContent().aggregate().asString().block();
            assertThat(body).isEqualTo("hello https");
        } finally {
            server.stop();
        }
        assertThat(server.isRunning()).isFalse();
    }
}