"""Check build identity refresh and source-archive handling without running Wine."""
from pathlib import Path
import shutil
import subprocess
import tempfile


projectDir = Path(__file__).resolve().parents[1]
with tempfile.TemporaryDirectory(prefix="wine-access-version-") as temporary:
    sourceDir = Path(temporary) / "source"
    sourceDir.mkdir()
    shutil.copytree(projectDir / "cmake", sourceDir / "cmake")
    (sourceDir / "VERSION").write_text("2026.10.15\n")
    outputFile = Path(temporary) / "version.h"

    def generate_version():
        subprocess.run(["cmake", f"-DSOURCE_DIR={sourceDir}",
                        f"-DOUTPUT_FILE={outputFile}", "-P",
                        str(sourceDir / "cmake/GenerateVersion.cmake")], check=True)
        return outputFile.read_text()

    def git(*arguments):
        return subprocess.check_output(["git", "-C", str(sourceDir), *arguments],
                                       text=True, stderr=subprocess.PIPE).strip()

    assert 'WINE_ACCESS_REVISION "unavailable"' in generate_version()
    git("init", "--quiet")
    git("config", "user.name", "Fixture Author")
    git("config", "user.email", "author@example.invalid")
    git("add", ".")
    git("-c", "commit.gpgsign=false", "commit", "--quiet", "-m", "Initial fixture")
    firstRevision = git("rev-parse", "--short=12", "HEAD")
    cleanHeader = generate_version()
    assert firstRevision in cleanHeader and 'WINE_ACCESS_MODIFIED "false"' in cleanHeader
    unchangedTime = outputFile.stat().st_mtime_ns
    assert generate_version() == cleanHeader
    assert outputFile.stat().st_mtime_ns == unchangedTime, "unchanged build rewrote version header"
    (sourceDir / "VERSION").write_text("2026.10.16\n")
    dirtyHeader = generate_version()
    assert 'WINE_ACCESS_VERSION "2026.10.16"' in dirtyHeader
    assert 'WINE_ACCESS_MODIFIED "true"' in dirtyHeader and ", modified)" in dirtyHeader
    git("add", "VERSION")
    git("-c", "commit.gpgsign=false", "commit", "--quiet", "-m", "Updated fixture")
    secondRevision = git("rev-parse", "--short=12", "HEAD")
    assert secondRevision != firstRevision
    assert secondRevision in generate_version(), "incremental identity retained previous commit"
    (sourceDir / "untracked.txt").write_text("fixture\n")
    assert 'WINE_ACCESS_MODIFIED "true"' in generate_version()
    # An archive nested inside another repository must not borrow its identity.
    archiveDir = sourceDir / "archive"
    archiveDir.mkdir()
    shutil.copytree(projectDir / "cmake", archiveDir / "cmake")
    (archiveDir / "VERSION").write_text("2026.10.15\n")
    sourceDir = archiveDir
    assert 'WINE_ACCESS_REVISION "unavailable"' in generate_version()
print("PASS: clean, modified, incremental, unchanged and archive build identities")