#!/usr/bin/env python3
"""Syntax guard — compile all Python files to catch syntax errors before merge."""
import py_compile
import sys
import importlib.util
import re
import requests
import psutil
from pathlib import Path

errors = []

# Check for missing dependencies
required_modules = ["llama_cpp", "requests", "psutil", "jinja2", "papermill"]
for module in required_modules:
    if not importlib.util.find_spec(module):
        errors.append(f"Missing required module: {module}")
        print(f"MISSING DEPENDENCY: {module}", file=sys.stderr)

# Check for external API calls in test files
for p in Path(".").rglob("*.py"):
    if ".venv" in p.parts or "__pycache__" in p.parts:
        continue
    try:
        py_compile.compile(str(p), doraise=True)
    except py_compile.PyCompileError as e:
        errors.append(f"{p}: {e}")
        print(f"SYNTAX ERROR: {p}: {e}", file=sys.stderr)

    # Check for HTTP API calls
    if "test_" in p.name or "smoke_test" in p.name:
        with open(p, "r") as f:
            content = f.read()
            if re.search(r'requests\.(get|post|put|delete)', content):
                errors.append(f"External API call detected in {p}")
                print(f"API CALL DETECTED: {p}", file=sys.stderr)

# Check local model server health
try:
    response = requests.get("http://localhost:8080/v1", timeout=5)
    if response.status_code != 200:
        errors.append("Local model server not responding")
        print("MODEL SERVER ERROR: Not responding", file=sys.stderr)
except requests.exceptions.RequestException:
    errors.append("Local model server not reachable")
    print("MODEL SERVER ERROR: Not reachable", file=sys.stderr)

# Check RAM usage
if psutil.virtual_memory().available < 500 * 1024 * 1024:  # 500MB free
    errors.append("Insufficient RAM for model and system")
    print("RAM ERROR: Less than 500MB available", file=sys.stderr)

if errors:
    print(f"\n{len(errors)} issue(s) detected", file=sys.stderr)
    sys.exit(1)
print("All Python files compile successfully and dependencies are satisfied")