"""Tests for the cached-showcase registry + loader. No gradio/models needed.

Run:  .venv/bin/python src/examples_test.py   (or pytest)
"""

import json
import os
import sys
import tempfile

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from src import examples  # noqa: E402


def test_three_examples_span_the_slider():
    assert [e["level"] for e in examples.EXAMPLES] == [1, 5, 10]
    assert len({e["id"] for e in examples.EXAMPLES}) == 3
    for e in examples.EXAMPLES:
        assert e["resume"].strip() and e["jd"].strip() and e["genre"]


def test_load_example_missing_media_is_all_none():
    examples.EX_DIR = tempfile.mkdtemp()  # empty
    ex, lyr, tr, song, vid = examples.load_example(0)
    assert ex["id"] == examples.EXAMPLES[0]["id"]
    assert lyr is None and tr is None and song is None and vid is None
    assert examples.has_cache(0) is False


def test_load_example_reads_committed_bundle():
    d = tempfile.mkdtemp()
    examples.EX_DIR = d
    eid = examples.EXAMPLES[2]["id"]
    with open(os.path.join(d, f"{eid}.lyrics.txt"), "w", encoding="utf-8") as f:
        f.write('🎵 "x" — Drill\n[verse]\nhi')
    with open(os.path.join(d, f"{eid}.trace.json"), "w", encoding="utf-8") as f:
        json.dump({"engine": "gpt-oss-20b"}, f)
    with open(os.path.join(d, f"{eid}.song.mp3"), "wb") as f:
        f.write(b"ID3fake")
    ex, lyr, tr, song, vid = examples.load_example(2)
    assert "[verse]" in lyr and tr["engine"] == "gpt-oss-20b"
    assert song.endswith(f"{eid}.song.mp3") and vid is None  # no video file present
    assert examples.has_cache(2) is True


def _run():
    fns = {k: v for k, v in globals().items() if k.startswith("test_") and callable(v)}
    failed = 0
    for name, fn in fns.items():
        try:
            fn()
            print(f"PASS {name}")
        except Exception as e:
            failed += 1
            import traceback
            print(f"FAIL {name}: {e}")
            traceback.print_exc()
    print(f"\n{len(fns) - failed}/{len(fns)} passed")
    sys.exit(1 if failed else 0)


if __name__ == "__main__":
    _run()