import json
import os


class LifeLog:
    """
    Records Ruby’s diary entries over time and lets you fetch her recent reflections.
    """
    def __init__(self, path="life_log.json"):
        self.path = path
        self.entries = []
        self.load()

    def load(self):
        if os.path.isfile(self.path):
            with open(self.path, "r", encoding="utf-8") as f:
                self.entries = json.load(f)

    def save(self):
        with open(self.path, "w", encoding="utf-8") as f:
            json.dump(self.entries, f, ensure_ascii=False, indent=2)

    def add(self, entry: str):
        self.entries.append(entry)
        self.save()

    def recent(self, n=5):
        return self.entries[-n:]