#!/usr/bin/python
import re
import pathlib
import importlib
import sys

sys.path.append("plugins/module_utils")
sys.path.append("plugins/modules")
mindocstring = "DOCUMENTATION = ''''''"

moduledir = pathlib.Path("plugins/modules")
regex = re.compile("DOCUMENTATION *= *r?(?P<quote>\"{3}|'{3})(---)?.*?(?P=quote)", re.MULTILINE | re.DOTALL)

if __name__ == "__main__":
    for modfile in moduledir.iterdir():
        if modfile.name in ( "__init__.py", "__pycache__"):
            continue
        mod = importlib.import_module(modfile.stem)
        if hasattr(mod, "Module"):
            module = mod.Module
        elif hasattr(mod, "__module_name__"):
            module = getattr(mod, mod.__module_name__)
        moddoc = module.doc()
        moddata = modfile.read_text()
        match = regex.search(moddata)
        if not match:
            print("no Documentation set for module {}. Please add at least \"{}\" to the file".format(modfile.stem, mindocstring))
            continue
        newmod = "{pre}DOCUMENTATION = {quote}{doc}{quote}{post}".format(pre=moddata[:match.start()], quote=match.group("quote"), doc=moddoc, post=moddata[match.end():])
        modfile.write_text(newmod)

# code: python