#!/usr/bin/env python3
"""
Python script to parse, clone and return a repo for gitea
in order for asciidoctor to be able to access included files

Doesn't overwrite folder if it already exists, will still return that folder name in that case.

Parameters : 
in : a relative path as given by GITEA_PREFIX_SRC (https://docs.gitea.io/en-us/config-cheat-sheet/#markup-markup)
return : The name of the folder containing the cloned repo
"""

import sys
import subprocess
import os

if(len(sys.argv) != 4):
    sys.exit("wrong number of args <source repo> <prefix> <cache path>") # wrong number of args

# Prefix for the path where repository are saved, can be an url
PATH_PREFIX = sys.argv[2]
# Prefix for where we will clone the repos
CACHE_FOLDER_PATH = sys.argv[3]

repo_path = sys.argv[1].split('/',3)
if(len(repo_path)<2):
    sys.exit("Wrong path format passed")

repo_name = "/".join([CACHE_FOLDER_PATH,repo_path[2]])
repo_path = "/".join(repo_path[:3])
repo_path = PATH_PREFIX + repo_path

if not os.path.isdir(CACHE_FOLDER_PATH):
    os.makedirs(CACHE_FOLDER_PATH)

if not os.path.isdir(repo_name):
    subprocess.run(["git", "clone", repo_path, repo_name], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
subprocess.run(["asciidoctor", "-s", "-a", "showtitle", "-a", "source-highlighter=rouge", "-a", "rouge-css=style", "-a", "rouge-style=base16.monokai.dark", "--out-file=-", f"--base-dir={repo_name}", "-"])