import os
import subprocess
import logging

logger = logging.getLogger(__name__)

def run_command(cmd, timeout=30, cwd=None):
    try:
        result = subprocess.run(cmd, shell=True, capture_output=True, text=True, timeout=timeout, cwd=cwd)
        output = result.stdout
        if result.stderr:
            output += "\n[STDERR] " + result.stderr
        return {"success": result.returncode == 0, "output": output.strip(), "exit_code": result.returncode}
    except subprocess.TimeoutExpired:
        return {"success": False, "output": "Command timed out", "exit_code": -1}
    except Exception as e:
        return {"success": False, "output": str(e), "exit_code": -1}

def create_file(filepath, content):
    try:
        abs_path = os.path.abspath(filepath)
        os.makedirs(os.path.dirname(abs_path), exist_ok=True)
        with open(abs_path, 'w') as f:
            f.write(content)
        _git_push(abs_path, filepath)
        return {"success": True, "output": f"Created: {filepath}"}
    except Exception as e:
        return {"success": False, "output": str(e)}

def read_file(filepath):
    try:
        with open(filepath, 'r') as f:
            content = f.read()
        return {"success": True, "output": content}
    except Exception as e:
        return {"success": False, "output": str(e)}

def list_directory(path="."):
    try:
        items = os.listdir(path)
        return {"success": True, "output": "\n".join(items) if items else "(empty)"}
    except Exception as e:
        return {"success": False, "output": str(e)}

def _git_push(abs_path, rel_path):
    """Push file to HF Space repo for persistence."""
    try:
        space_dir = os.environ.get("SPACE_DIR", "/home/user/app")
        if not os.path.exists(os.path.join(space_dir, ".git")):
            return

        rel_in_space = os.path.relpath(abs_path, space_dir)
        subprocess.run(["git", "add", rel_in_space], cwd=space_dir, capture_output=True, timeout=10)
        result = subprocess.run(
            ["git", "commit", "-m", f"agent: update {rel_in_space}"],
            cwd=space_dir, capture_output=True, text=True, timeout=10
        )
        if result.returncode == 0:
            token = os.environ.get("HF_TOKEN", "")
            remote = f"https://oauth2:{token}@huggingface.co/spaces/{os.environ.get('SPACE_REPO', 'Ahmad170412/dash')}"
            subprocess.run(["git", "push", remote, "main"], cwd=space_dir, capture_output=True, timeout=30)
            logger.info(f"Pushed {rel_in_space} to HF Hub")
    except Exception as e:
        logger.warning(f"Git push failed: {e}")