import json
from git import Repo
from os import mkdir
import shutil


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):
    repo_url = 'git@github.com:' + repo_name + '.git'
    Repo.clone_from(repo_url, app_name)
    shutil.copyfile(app_name + '/' + path, DOCS_PATH + app_name)
    shutil.rmtree(app_name)


registry = get_registry('../registry.json')
for doc in registry:
    repo_name = doc.get('repo')
    app_name = doc.get('name')
    path = doc.get('path')
    get_repo_doc(repo_name, app_name, path)