#!/usr/bin/env bash
# Set up a side environment where the app runs against n3xd-ocp instead of the
# stock wheel.
#
# The app's manifests are never touched: a swap is per-environment because both
# distributions own the OCP/ import path and a process can hold only one OCCT
# build.  main therefore keeps resolving cadquery-ocp-novtk until the Phase 10C
# cutover, and this venv is how parity is proven in the meantime.
#
#   tools/parity_venv.sh            install from the Gitea registry
#   tools/parity_venv.sh --local    install the local wheelhouse build
#
# Then run whichever slice of the app suite the current increment claims:
#   cd ../app && UV_PROJECT_ENVIRONMENT=.venv-ocp-parity uv run pytest backend/tests/test_geom_memo.py
set -euo pipefail

HERE=$(cd "$(dirname "$0")" && pwd)
OCP_REPO=$(dirname "$HERE")
APP="${APP_DIR:-$(dirname "$OCP_REPO")/app}"
VENV_NAME="${VENV_NAME:-.venv-ocp-parity}"
INDEX="https://git.stroblme.de/api/packages/N3XD/pypi/simple/"

SOURCE="registry"
[ "${1:-}" = "--local" ] && SOURCE="local"

cd "$APP"
export UV_PROJECT_ENVIRONMENT="$VENV_NAME"

echo "--- syncing the app's dependencies into $VENV_NAME ---"
uv sync --all-groups

# Removal must precede installation: both distributions install a top-level
# OCP/, so installing over the stock wheel would leave a half-overwritten mix.
echo "--- removing the stock wheel ---"
uv pip uninstall cadquery-ocp-novtk || true

echo "--- installing n3xd-ocp ($SOURCE) ---"
if [ "$SOURCE" = "local" ]; then
    uv pip install "$OCP_REPO"/wheelhouse/*.whl
else
    uv pip install --index-url "$INDEX" --prerelease=allow n3xd-ocp
fi

echo "--- sanity ---"
uv run python -c "
import OCP
print('OCP', OCP.__version__, '/ OCCT', OCP.__occt_version__)
print('modules:', len(OCP._OCP.__all_modules__))
"

echo "--- coverage against the app's symbol inventory ---"
uv run python "$HERE/inventory.py" --check || \
    echo "(incomplete coverage is expected until the increments land)"

# The binding's own suite, run from the swapped venv: this is what exercises the
# published artifact inside the app's exact dependency set.  It imports only
# OCP/n3xd_ocp, so it works long before the app's own tests can collect (their
# conftest imports n3xd.main, i.e. the whole OCP surface).
echo "--- ocp suite under the swapped venv ---"
uv run pytest "$OCP_REPO/tests" -q