"""Module-level mocking for app.py import-time side effects."""

import tempfile
from unittest.mock import patch

import pytest

# ---------------------------------------------------------------------------
# Module-level patches — applied BEFORE any test file can `import app`.
#
# app_config.py executes on import:
#   1. snapshot_download(...)           → needs HF_TOKEN + network
#   2. os.environ.setdefault(...)       → safe, no mock needed
# app.py executes on import:
#   1. base64-encode caliby_transparent.png  → file exists in repo, no mock
#   2. @spaces.GPU decorator           → no-op when SPACES_ZERO_GPU unset
# ---------------------------------------------------------------------------

_FAKE_WEIGHTS_DIR = tempfile.mkdtemp(prefix="caliby_test_weights_")

patch("huggingface_hub.snapshot_download", return_value=_FAKE_WEIGHTS_DIR).start()


# ---------------------------------------------------------------------------
# Shared fixtures
# ---------------------------------------------------------------------------


@pytest.fixture
def sample_outputs():
    """Mock outputs dict matching caliby's CalibyModel.sample() return format."""
    return {
        "example_id": ["1YCR", "1YCR"],
        "out_pdb": ["/tmp/out/1YCR_sample0.cif", "/tmp/out/1YCR_sample1.cif"],
        "U": [-142.38, -139.92],
        "input_seq": ["NATIVE_SEQ", "NATIVE_SEQ"],
        "seq": ["MTEEQWAQ", "VSEQQWAQ"],
    }


@pytest.fixture
def sample_outputs_with_out_pdbs(sample_outputs):
    """Outputs dict with the 'out_pdbs' key that app.py's _format_outputs actually reads."""
    return {**sample_outputs, "out_pdbs": sample_outputs["out_pdb"]}