package com.evsuite.abrp;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

/** What the Server tab and the config import accept — pure JVM. */
public class ServerConfigTest {

    @Test
    public void urlIsTrimmedAndLosesTrailingSlashes() {
        assertEquals("https://car.example.com", ServerConfig.normalizeUrl("  https://car.example.com//  "));
        assertEquals("https://car.example.com/base", ServerConfig.normalizeUrl("https://car.example.com/base/"));
    }

    @Test
    public void plainHttpAndJunkAreRefused() {
        // The token travels in a header; over plain http anyone on the hotspot could read it.
        assertNull(ServerConfig.normalizeUrl("http://car.example.com"));
        assertNull(ServerConfig.normalizeUrl("car.example.com"));
        assertNull(ServerConfig.normalizeUrl("https://"));
        assertNull(ServerConfig.normalizeUrl("https:///path"));
        assertNull(ServerConfig.normalizeUrl("https://user@car.example.com"));
        assertNull(ServerConfig.normalizeUrl("https://car.example.com/?x=1"));
        assertNull(ServerConfig.normalizeUrl(null));
    }

    @Test
    public void tokenMustMeetTheServersMinimum() {
        assertTrue(ServerConfig.isValidToken("0123456789abcdef01234567"));
        assertFalse(ServerConfig.isValidToken("too-short"));
        assertFalse(ServerConfig.isValidToken("0123456789abcdef 01234567"));
        assertFalse(ServerConfig.isValidToken(null));
    }

    @Test
    public void installationIdMustBeAUuidTheServerAccepts() {
        assertTrue(ServerConfig.isValidInstallationId("6f1a2b3c-4d5e-4f60-8a9b-0c1d2e3f4a5b"));
        assertTrue(ServerConfig.isValidInstallationId(java.util.UUID.randomUUID().toString()));
        assertFalse(ServerConfig.isValidInstallationId("6f1a2b3c-4d5e-0f60-8a9b-0c1d2e3f4a5b")); // version 0
        assertFalse(ServerConfig.isValidInstallationId("not-a-uuid"));
        assertFalse(ServerConfig.isValidInstallationId(""));
    }

    @Test
    public void theInstallationIdFollowsTheHeadUnit() {
        String id = ServerConfig.installationIdFor("a1b2c3d4e5f60718");
        assertTrue(id, ServerConfig.isValidInstallationId(id));
        // The same head unit gets the same id after a reinstall; another gets another.
        assertEquals(id, ServerConfig.installationIdFor(" A1B2C3D4E5F60718 "));
        assertFalse(id.equals(ServerConfig.installationIdFor("0000000000000001")));
        assertFalse(id.contains("a1b2c3d4e5f60718"));
    }

    @Test
    public void noUsableAndroidIdMeansNoDerivedId() {
        assertNull(ServerConfig.installationIdFor(null));
        assertNull(ServerConfig.installationIdFor(""));
        assertNull(ServerConfig.installationIdFor("9774d56d682e549c"));
    }
}