package com.zy.integration.iot;

import com.zy.iot.config.IotProperties;
import com.zy.iot.util.IotInstructionIdGenerator;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class IotSupportTest {

    @Test
    public void shouldResolveServerUriAndClientId() {
        IotProperties properties = new IotProperties();
        properties.setEndpoint("example-ats.iot.cn-north-1.amazonaws.com.cn");
        properties.setPort(8883);
        properties.setThingName("thing-a");

        Assertions.assertEquals("mqtts://example-ats.iot.cn-north-1.amazonaws.com.cn:8883", properties.getServerUri());
        String thingId = properties.getResolvedClientId();
        Assertions.assertNotNull(thingId);
        Assertions.assertTrue(thingId.startsWith("thing-a-"));
        Assertions.assertEquals(thingId, properties.getResolvedClientId());

        IotProperties withClient = new IotProperties();
        withClient.setClientId("client-b");
        String cid = withClient.getResolvedClientId();
        Assertions.assertNotNull(cid);
        Assertions.assertTrue(cid.startsWith("client-b-"));
        Assertions.assertEquals(cid, withClient.getResolvedClientId());
    }

    @Test
    public void shouldGenerateStableLengthInstructionId() {
        String instructionId = IotInstructionIdGenerator.generate("wrk-1001");

        Assertions.assertEquals(20, instructionId.length());
        Assertions.assertEquals(instructionId, instructionId.toUpperCase());
    }
}