#!/usr/bin/env bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

cd "$ROOT_DIR"

if [ "$#" -eq 0 ]; then

set -- tests

fi

declare -a TRIED=()

run_python() {

local candidate="$1"

local label="$2"

local resolved=""

shift 2

TRIED+=("$label: $candidate")

if [[ "$candidate" == */* ]]; then

if [ ! -x "$candidate" ]; then

return 1

fi

resolved="$candidate"

else

resolved="$(command -v "$candidate" 2>/dev/null || true)"

if [ -z "$resolved" ]; then

return 1

fi

fi

if "$resolved" -c "import pytest" >/dev/null 2>&1; then

printf "Using %s: %s\n" "$label" "$resolved"

exec "$resolved" -m pytest "$@"

fi

return 1

}

run_uv() {

if ! command -v uv >/dev/null 2>&1 || [ ! -f "$ROOT_DIR/uv.lock" ]; then

return 1

fi

TRIED+=("uv-managed environment: uv run python -m pytest")

if uv run python -c "import pytest" >/dev/null 2>&1; then

printf "Using uv-managed environment\n"

exec uv run python -m pytest "$@"

fi

return 1

}

if [ -n "${PYTHON:-}" ]; then

if run_python "$PYTHON" "PYTHON override" "$@"; then

exit 0

fi

printf "Configured PYTHON does not provide pytest: %s\n" "$PYTHON" >&2

exit 1

fi

if [ -n "${VIRTUAL_ENV:-}" ]; then

run_python "$VIRTUAL_ENV/bin/python" "active virtualenv" "$@" || true

fi

run_uv "$@" || true

run_python "$ROOT_DIR/.venv/bin/python" "repo .venv" "$@" || true

run_python "$ROOT_DIR/venv/bin/python" "repo venv" "$@" || true

run_python python "PATH python" "$@" || true

run_python python3 "PATH python3" "$@" || true

printf "Unable to find a Python environment with pytest available.\n" >&2

printf "Tried:\n" >&2

for entry in "${TRIED[@]}"; do

printf " - %s\n" "$entry" >&2

done

printf "Set PYTHON=/path/to/python, activate a virtualenv, create .venv/venv, or sync the project environment.\n" >&2

exit 1