"""Reproducibly build the Java 17 diagnostic agent; no Minecraft dependencies."""
from pathlib import Path
import subprocess
import tempfile
import zipfile

root = Path(__file__).resolve().parent
with tempfile.TemporaryDirectory() as directory:
    subprocess.run([
        "java", "-m", "jdk.compiler/com.sun.tools.javac.Main",
        "--add-exports", "java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED",
        "-source", "17", "-target", "17", "-d", directory,
        str(root / "PlayerSaveDiagnostics.java"),
    ], check=True)
    with zipfile.ZipFile(root / "player-save-diagnostics.jar", "w", zipfile.ZIP_DEFLATED) as archive:
        def write(name, data):
            entry = zipfile.ZipInfo(name, (2026, 1, 1, 0, 0, 0))
            entry.compress_type = zipfile.ZIP_DEFLATED
            archive.writestr(entry, data)
        write("META-INF/MANIFEST.MF", b"Manifest-Version: 1.0\nPremain-Class: PlayerSaveDiagnostics\n\n")
        for path in sorted(Path(directory).glob("*.class")):
            write(path.name, path.read_bytes())