import os
import logging
from datetime import datetime
from flask import session, request, current_app


class LogHelper:

    @staticmethod
    def setup_logger(app):
        if not os.path.exists("logs"):
            os.makedirs("logs")

        formatter = logging.Formatter("%(asctime)s | %(levelname)s | User:%(user)s | IP:%(ip)s | %(message)s")

        file_handler = logging.FileHandler("logs/app.log")
        file_handler.setLevel(logging.INFO)
        file_handler.setFormatter(formatter)

        stream_handler = logging.StreamHandler()
        stream_handler.setLevel(logging.INFO)
        stream_handler.setFormatter(formatter)

        app.logger.setLevel(logging.INFO)
        app.logger.addHandler(file_handler)
        app.logger.addHandler(stream_handler)

    # ---------------------------------------
    # Log User Activity
    # ---------------------------------------
    @staticmethod
    def log_request():
        if request.endpoint and "static" not in request.endpoint:
            user = session.get("user", "Anonymous")
            ip = request.remote_addr

            current_app.logger.info(
                f"{request.method} {request.path}",
                extra={"user": user, "ip": ip}
            )

    # ---------------------------------------
    # Custom Action Logging
    # ---------------------------------------
    @staticmethod
    def log_action(action, details=""):
        user = session.get("user", "Anonymous")
        ip = request.remote_addr
        current_app.logger.info(f"{action} | {details}",extra={"user": user, "ip": ip})