#!/usr/bin/env bash
set -euo pipefail

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PING_URL="${PING_URL:-}"
DOCKER_IMAGE_TAG="${DOCKER_IMAGE_TAG:-delivery-openenv:precheck}"
OPENENV_BIN_FALLBACK="$REPO_DIR/.venv/bin/openenv"
VENV_PYTHON="$REPO_DIR/.venv/bin/python"

pass() { echo "[PASS] $1"; }
info() { echo "[INFO] $1"; }
fail() { echo "[FAIL] $1"; exit 1; }

info "Step 1/4: Optional Hugging Face Space ping"
if [[ -n "$PING_URL" ]]; then
	HTTP_CODE="$(
		curl -sS -o /tmp/openenv_reset_response.txt -w "%{http_code}" \
			-X POST "$PING_URL/reset" \
			-H "Content-Type: application/json" \
			-d '{"task":"easy","seed":101}' || true
	)"
	if [[ "$HTTP_CODE" == "200" ]]; then
		pass "HF Space /reset returned HTTP 200"
	else
		fail "HF Space /reset returned HTTP $HTTP_CODE"
	fi
else
	info "PING_URL is not set; skipping remote endpoint check"
fi

info "Step 2/4: Docker build"
if ! command -v docker >/dev/null 2>&1; then
	fail "docker command not found"
fi

if ! docker info >/dev/null 2>&1; then
	fail "docker daemon is not running or not reachable"
fi

docker build -t "$DOCKER_IMAGE_TAG" "$REPO_DIR" >/tmp/openenv_docker_build.log 2>&1 || {
	tail -20 /tmp/openenv_docker_build.log || true
	fail "docker build failed"
}
pass "Docker build succeeded"

info "Step 3/4: OpenEnv validation"
if command -v openenv >/dev/null 2>&1; then
	OPENENV_CMD=(openenv)
elif [[ -x "$OPENENV_BIN_FALLBACK" ]]; then
	OPENENV_CMD=("$OPENENV_BIN_FALLBACK")
else
	fail "openenv CLI not found; install with 'pip install openenv-core'"
fi

(cd "$REPO_DIR" && "${OPENENV_CMD[@]}" validate)
pass "openenv validate passed"

info "Step 4/4: Test suite"
if [[ -x "$VENV_PYTHON" ]]; then
	PYTHON_BIN="$VENV_PYTHON"
elif command -v python3 >/dev/null 2>&1; then
	PYTHON_BIN="$(command -v python3)"
else
	fail "python3 not found"
fi

(cd "$REPO_DIR" && "$PYTHON_BIN" -m pytest -q)
pass "pytest passed"

echo
echo "[PASS] All validation checks completed"