package mc.nbt.io;

import mc.nbt.CompoundTag;
import mc.nbt.StringTag;
import mc.nbt.TagType;
import mc.nbt.TagValue;
import org.junit.jupiter.api.Test;

import java.io.IOException;
import java.util.Objects;

import static org.junit.jupiter.api.Assertions.*;

class NbtInputStreamTest {

    @Test
    void testSimple() throws IOException {
        try (var stream = Objects.requireNonNull(NbtInputStreamTest.class.getResourceAsStream("/hello_world.nbt"));
             NbtInputStream nbtInputStream = new NbtInputStream(stream)) {

            TagValue tag = nbtInputStream.readTag();
            assertNotNull(tag);
            assertEquals(TagType.COMPOUND, tag.getType());

            CompoundTag compoundTag = tag.asCompound();
            assertEquals("hello world", compoundTag.getName());
            assertEquals(1, compoundTag.size());

            assertTrue(compoundTag.containsKey("name"));
            tag = compoundTag.get("name");
            assertEquals(TagType.STRING, tag.getType());

            StringTag stringTag = tag.asString();
            assertEquals("name", stringTag.getName());
            assertEquals("Bananrama", stringTag.getValue());
        }
    }
}