import os
import time
import json
import requests
import logging

# Define the path to the persistent data store
DATA_STORE_PATH = "/data/last_update_time.txt"

# Set up logging
logging.basicConfig(level=logging.INFO)

class APIHandler:
    def __init__(self, base_url, username, password):
        self.base_url = base_url
        self.auth = (username, password)

    def get(self, endpoint, params=None):
        response = requests.get(self.base_url + endpoint, params=params, auth=self.auth)
        response.raise_for_status()
        return response.json()

    def post(self, endpoint, data=None):
        response = requests.post(self.base_url + endpoint, data=json.dumps(data), auth=self.auth)
        response.raise_for_status()
        return response.status_code

def get_last_update_time():
    with open(DATA_STORE_PATH, 'r') as file:
        return file.read().strip()

def update_last_update_time(new_time):
    with open(DATA_STORE_PATH, 'w') as file:
        file.write(new_time)

def main():
    # Get credentials from environment variables
    inoreader = APIHandler(
        "https://www.inoreader.com/reader/api/0/stream/contents",
        os.getenv("INOREADER_USERNAME"),
        os.getenv("INOREADER_PASSWORD")
    )
    readwise = APIHandler(
        "https://readwise.io",
        os.getenv("READWISE_USERNAME"),
        os.getenv("READWISE_PASSWORD")
    )

    while True:
        try:
            last_annotation_time = get_last_update_time()

            # Get annotations after the last update time
            inoreader_response = inoreader.get(
                "/user/-/state/com.google/annotated",
                params={
                    "annotations": 1,
                    "n": 100,
                    #"ot": last_annotation_time or None
                }
            )
            data = json.loads(inoreader_response)
            all_annotations = []

            for item in data["items"]:
                annotations = item.get("annotations", [])
                all_annotations.extend(annotations)
            
            # Filter annotations
            new_annotations = [annotation for annotation in all_annotations if annotation['added_on'] > last_annotation_time]

            if new_annotations:
                latest_added_on = max(annotation['added_on'] for annotation in new_annotations)
            else:
                latest_added_on = None

            # Push annotations to Readwise
            readwise.post("/api/annotations", data=annotations)

            # Update the last annotation time
            if latest_added_on:
                update_last_update_time(latest_added_on)
            else:
                logging.info("No new annotations found")

            # Wait for an hour
            time.sleep(3600)

        except Exception as e:
            logging.error(f"An error occurred: {e}")
            time.sleep(60)  # Wait a minute before retrying

if __name__ == "__main__":
    main()