"""
    @AUTHOR: Gurkengewuerz
    @REVIEW: 27.02.2017
    @DESCRIPTION: Backup Private Github Account.
    Need Private Access Token with Range:
    - repo
    - read:org
    - read:repo_hook
    - read:user
"""

import requests
import json
import os
import time

USER = "Gurkengewuerz"
OAUTH = "<oauth-key>"
PATH = "D:\\Downloads\\git-test"
if not os.path.exists(PATH):
    exit("%s Path does not exists!" % PATH)
DOWNLOAD_ORGS = True
DOWNLOAD_STARS = True
DOWNLOAD_PRIVATE = True
DOWNLOAD_FORK = True

BASE_URL = "https://api.github.com"
DEBUG = True

HEADER = \
    {
        "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20100101 Firefox/10.0",
        "Authorization": "token %s" % OAUTH,
        "Accept": "application/vnd.github.v3.raw"
    }


def debug(msg):
    if DEBUG:
        print(msg)


class Repository:
    def __init__(self, fullname):
        self.fullname = fullname
        splitted = fullname.split("/")
        self.user = splitted[0]
        self.name = splitted[1]

    def __str__(self):
        return "fullname: %s, user: %s, name %s" % (self.fullname, self.user, self.name)


repolist = list()


def repoInList(fullname):
    for repo in repolist:
        if repo.fullname == fullname:
            return True
    return False


def fetchRepos(json_repoList):
    for repo in json_repoList:
        if not DOWNLOAD_PRIVATE and repo["private"]:
            continue
        if not DOWNLOAD_FORK and repo["fork"]:
            continue
        if repoInList(repo["full_name"]):
            continue
        repolist.append(Repository(repo["full_name"]))


startedTask = time.time()

debug(HEADER)

r = requests.get(BASE_URL + "/users/" + USER, headers=HEADER)
user_oject = json.loads(r.text)
debug(user_oject)

r = requests.get(BASE_URL + "/user/repos?per_page=250", headers=HEADER)
user_repo_object = json.loads(r.text)
debug(user_repo_object)
fetchRepos(user_repo_object)

r = requests.get(user_oject["starred_url"].replace("{/owner}{/repo}", "") + "?per_page=250", headers=HEADER)
user_starred_object = json.loads(r.text)
debug(user_starred_object)
fetchRepos(user_starred_object)

if DOWNLOAD_ORGS:
    r = requests.get(BASE_URL + "/user/orgs", headers=HEADER)
    user_orgs_object = json.loads(r.text)
    debug(user_orgs_object)

    for orgs in user_orgs_object:
        orgname = orgs["login"]
        r = requests.get(orgs["repos_url"] + "?per_page=250", headers=HEADER)
        org_repo_object = json.loads(r.text)
        fetchRepos(org_repo_object)

print("\n\n")
for repo in repolist:
    print(repo)
    pPath = os.path.join(PATH, repo.user, repo.name)
    print("Check Project State")
    if not os.path.exists(pPath):
        print("%s is a new Project. Creating Folder and init Repo..." % repo.fullname)
        os.makedirs(pPath)
        os.chdir(pPath)
        os.system("git init")
    else:
        print("%s project is not new. switching Directory" % repo.fullname)

    os.chdir(pPath)
    print("Start Cloning %s" % repo.fullname)
    os.system("git pull https://%s:x-oauth-basic@github.com/%s.git" % (OAUTH, repo.fullname))
    print("Cloning %s Complete" % repo.fullname)
    os.chdir(PATH)

print("Finished. Ran %ss..." % (time.time() - startedTask))