"""Smoke for the Makefile wrapper: OUT defaults to IN, the baked-in FLAGS, and
the AUDIO_LANG knob (named to avoid the LANG locale env var)."""
import os
import shutil
import subprocess
import tempfile
import unittest
from pathlib import Path

from tests import REPO_ROOT


def make(target, **vars):
    args = ["make", target] + [f"{k}={v}" for k, v in vars.items()]
    return subprocess.run(args, cwd=REPO_ROOT, capture_output=True, text=True,
                          env=dict(os.environ))


@unittest.skipUnless(shutil.which("make"), "make not installed")
class TestMakefile(unittest.TestCase):
    def test_dry_out_defaults_to_in(self):
        with tempfile.TemporaryDirectory() as tmp:
            ind = Path(tmp) / "in"
            ind.mkdir()
            (ind / "x.mp4").touch()
            r = make("dry", IN=str(ind))
            self.assertEqual(r.returncode, 0, r.stderr)
            self.assertIn(f"Output: {ind}", r.stdout)
            self.assertIn("Found 1 video", r.stdout)

    def test_batch_baked_in_flags(self):
        with tempfile.TemporaryDirectory() as tmp:
            ind = Path(tmp) / "in"
            ind.mkdir()
            (ind / "x.mp4").touch()
            r = make("batch", IN=str(ind), PYTHON="echo")
            self.assertEqual(r.returncode, 0, r.stderr)
            line = next(l for l in r.stdout.splitlines() if "process_meeting.py" in l)
            self.assertIn("--scene-threshold 10", line)
            self.assertIn("--transcript-formats srt", line)
            self.assertIn("--embed-images", line)
            self.assertNotIn("--language", line)   # no AUDIO_LANG -> no --language

    def test_audio_lang_appends_language(self):
        with tempfile.TemporaryDirectory() as tmp:
            ind = Path(tmp) / "in"
            ind.mkdir()
            (ind / "x.mp4").touch()
            r = make("batch", IN=str(ind), PYTHON="echo", AUDIO_LANG="es")
            self.assertEqual(r.returncode, 0, r.stderr)
            self.assertIn("--language es", r.stdout)


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