from __future__ import annotations

import json
import time


class RunLog:
    def __init__(self, path: str = "deltax_run.log"):
        self.path = path

    def log(self, entry: dict) -> None:
        with open(self.path, "a", encoding="utf-8") as f:
            payload = {
                "ts": time.time(),
                "event": entry,
            }
            f.write(json.dumps(payload) + "\n")

    @staticmethod
    def replay(path: str):
        with open(path, "r", encoding="utf-8") as f:
            for line in f:
                if not line.strip():
                    continue
                try:
                    obj = json.loads(line)
                    yield obj
                except json.JSONDecodeError:
                    continue