# endpoints/get_sponsored.py
from flask import Blueprint, jsonify
from app import get_driver, neo4j_logger
import requests
import json
import os

bp = Blueprint('get_sponsored', __name__)

CACHE_FILE = 'cache.json'

def load_cache():
    if os.path.exists(CACHE_FILE):
        with open(CACHE_FILE, 'r') as f:
            return json.load(f)
    return {}

def save_cache(cache_data):
    with open(CACHE_FILE, 'w') as f:
        json.dump(cache_data, f)

@bp.route('/get_sponsored')
def get_sponsored():
    cache = load_cache()

    if 'bioguideids' not in cache or len(cache['bioguideids']) == 0:
        return jsonify({"message": "No bioguideids found in cache"}), 404

    # Print the number of items found in the cache initially
    initial_bioguideids_count = len(cache['bioguideids'])
    print(f"Initial bioguideids count: {initial_bioguideids_count}")

    processed_legislation_count = 0

    while 'bioguideids' in cache and len(cache['bioguideids']) > 0:
        # Step 1: Retrieve a sponsor from the cache
        current_bioguideid = cache['bioguideids'].pop(0)

        if current_bioguideid is None:
            continue

        print(f"Processing bioguideid: {current_bioguideid}")

        congress_api_url = f"https://api.congress.gov/v3/member/{current_bioguideid}/sponsored-legislation"

        # Step 2: Fetch sponsored legislation for the member
        response = requests.get(congress_api_url)
        if response.status_code != 200:
            neo4j_logger.error(f"Failed to fetch sponsored legislation for bioguideid {current_bioguideid}")
            continue

        legislations = response.json().get('results', [])

        # Step 3: Store each piece of legislation in the cache along with the sponsor bioguideid
        for legislation in legislations:
            key = f"legislation_{legislation['id']}"
            if key not in cache:
                cache[key] = {
                    'bioguideid': current_bioguideid,
                    **legislation
                }
                processed_legislation_count += 1

        # Step 4: Delete the sponsor from the cache (already done by popping)
        neo4j_logger.info(f"Processed sponsored legislation for bioguideid {current_bioguideid}")

    save_cache(cache)

    # Print the total number of legislation items stored and overall items added to the cache
    print(f"Total processed legislation count: {processed_legislation_count}")
    print(f"Overall items added to cache: {len(cache)}")

    return jsonify({"message": "Sponsored legislation processed successfully", "processed_legislation_count": processed_legislation_count}), 200