package tests;

import static io.kojan.runit.api.RUnit.*;
import static io.kojan.runit.api.matcher.RUnitMatchers.*;
import static org.hamcrest.Matchers.*;

import java.nio.charset.StandardCharsets;

import org.junit.jupiter.api.DisplayName;

import io.kojan.javadeptools.rpm.RpmInfo;
import io.kojan.runit.api.ExcludeFileName;
import io.kojan.runit.api.ExcludeSource;
import io.kojan.runit.api.ExcludeSymlink;
import io.kojan.runit.api.FileTest;
import io.kojan.runit.api.IncludeFileName;

@DisplayName("/jpackage_script")
public class JPackageScriptCheck {
    @FileTest
    @IncludeFileName("/usr/bin/.*")
    @ExcludeSource
    @ExcludeSymlink
    @ExcludeFileName("/usr/bin/ant")
    public void testJPackageScript(RpmInfo rpm, byte[] bytes) {
        assumeThat("The binary is a script with a shebang", bytes.length, greaterThan(1));
        assumeThat("The binary is a script with a shebang", bytes[0], is((byte)'#'));
        assumeThat("The binary is a script with a shebang", bytes[1], is((byte)'!'));
        String content = new String(bytes, StandardCharsets.UTF_8);
        assumeThat("The script was generated with %jpackage_script", content,
                containsString(". /usr/share/java-utils/java-functions\n"));
        assertThat("The script explicitly sets JAVA_HOME to Java 21", content,
                containsString("\nJAVA_HOME=\"${JAVA_HOME:-/usr/lib/jvm/jre-21-openjdk}\"\n"));
        assertThat("Requires on java-21-openjdk-headless are present", rpm, requires("java-21-openjdk-headless"));
        assertThat("Requires on javapackages-tools are present", rpm, requires("javapackages-tools"));
    }
}