import json
from git import Repo
import os
import shutil
import logging

logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s'
)

DOCS_PATH = '../docs/'


def get_registry(filename):
    """Reads registry into dictionary.

    Params:
        filename (str): The filename.
    Returns:
        dict: json object
    """
    return json.loads(open(filename).read())


def get_repo_doc(repo_name, app_name, path):
    try:
        github_token = os.getenv("GITHUB_TOKEN")

        repo_url = f'https://{github_token}@github.com/{repo_name}.git' if github_token \
            else f'https://github.com/{repo_name}.git'
        logging.info(f"Cloning repository: {repo_url}")
        Repo.clone_from(repo_url, app_name)

        logging.info(f"Copying documentation file from {app_name}/{path} to {DOCS_PATH}{app_name}")
        shutil.copyfile(f"{app_name}/{path}", f"{DOCS_PATH}{app_name}")

        logging.info(f"Cleaning up temporary directory: {app_name}")
        shutil.rmtree(app_name)
    except Exception as e:
        logging.error(f"Error processing {app_name}: {str(e)}")
        raise


try:
    registry = get_registry('../registry.json')
    for doc in registry:
        repo_name = doc.get('repo')
        app_name = doc.get('name')
        path = doc.get('path')
        logging.info(f"Processing documentation for {app_name}")
        get_repo_doc(repo_name, app_name, path)
except Exception as e:
    logging.error(f"Failed to process registry: {str(e)}")
    raise

# Temp change to debug the missing spec files in the built image.
logging.info(f"CWD: {os.getcwd()} -> {os.path.abspath(DOCS_PATH)}")
logging.info(f"Docs dir contents: {os.listdir(DOCS_PATH)}")