"""Simple structured logger."""

import json
import sys
from datetime import datetime
from pathlib import Path


class Logger:
    """Structured logging for cloud coder agents."""

    def __init__(self, log_file: Path = None):
        self.log_file = log_file or Path("/tmp/cloud-coder.log")
        self.ensure_log_dir()

    def ensure_log_dir(self):
        """Ensure log directory exists."""
        self.log_file.parent.mkdir(parents=True, exist_ok=True)

    def log(self, level: str, message: str, **kwargs):
        """Write a structured log entry."""
        entry = {
            "timestamp": datetime.utcnow().isoformat() + "Z",
            "level": level,
            "message": message,
            **kwargs,
        }
        line = json.dumps(entry)
        print(line, file=sys.stderr)
        with open(self.log_file, "a") as f:
            f.write(line + "\n")

    def info(self, message: str, **kwargs):
        self.log("INFO", message, **kwargs)

    def warning(self, message: str, **kwargs):
        self.log("WARNING", message, **kwargs)

    def error(self, message: str, **kwargs):
        self.log("ERROR", message, **kwargs)

    def task(self, task_id: str, status: str, **kwargs):
        self.log(
            "TASK", f"Task {task_id} status: {status}", task_id=task_id, status=status, **kwargs
        )


# Global logger instance
logger = Logger()