import difflib
import glob
import os
import re
import shutil
import subprocess
import sys
import tempfile
import unittest

TESTDATA_REPO = "https://github.com/schokokeksorg/freewvs-testdata"


class TestFreewvsData(unittest.TestCase):
    @unittest.skipUnless(os.environ.get("RUN_ONLINETESTS"), "Not running online tests")
    def test_freewvs_testdata(self):
        tmp = tempfile.mkdtemp(prefix="testdata")
        if os.environ.get("TESTDATA_REPOSITORY"):
            os.symlink(os.environ.get("TESTDATA_REPOSITORY"), tmp + "/testdata")
        else:
            subprocess.run(
                ["git", "clone", "--depth=1", TESTDATA_REPO, tmp + "/testdata"],
                check=True,
            )

        for tdir in glob.glob(tmp + "/testdata/webapps/*"):
            bdir = os.path.basename(tdir)
            for tarball in glob.glob(tdir + "/dist/*"):
                tname = os.path.basename(tarball)
                if sys.version_info < (3, 12) or tarball.endswith(".zip"):
                    shutil.unpack_archive(tarball, f"{tmp}/{bdir}/{tname}-src")
                else:
                    shutil.unpack_archive(
                        tarball, f"{tmp}/{bdir}/{tname}-src", filter="data"
                    )
            fwrun = subprocess.run(
                ["./freewvs", "-a", tmp + "/" + bdir],
                stdout=subprocess.PIPE,
                check=True,
            )
            fwdata = re.sub(tmp, "[dir]", fwrun.stdout.decode("utf-8"))
            fwclean = re.sub(r" \(.* ", " ", fwdata)
            f = open(tdir + "/refdata-a.txt", encoding="ascii")
            refdata = f.read()
            f.close()
            refclean = re.sub(r" \(.* ", " ", refdata)
            fwclean = sorted(fwclean.split("\n"))
            refclean = sorted(refclean.split("\n"))
            if refclean != fwclean:
                print("\n".join(difflib.ndiff(refclean, fwclean)))
            self.assertEqual(refclean, fwclean, msg=f"Output in {bdir} does not match")

        # misc tests, for read errors, garbage data etc.
        subprocess.run(
            ["./freewvs", "-a", tmp + "/testdata/misc/"],
            stdout=subprocess.PIPE,
            check=True,
        )


if __name__ == "__main__":
    unittest.main()