#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# This file is under GNU Affero General Public License 3.0
# see LICENSE.txt

import sys
import json
import pEpACIDgen
from pEpACIDgen import utils


def usage():
    print("Usage:",)
    print("pEp_acid_gen config-file",)

def print_indent(*args, indent=0):
    print('\t' * indent, *args)

def main():
    if len(sys.argv) <= 1:
        usage()
        exit(-1)

    cfg_file = sys.argv[1]

    print("reading cfg file:", cfg_file)
    data = []
    try:
        with open(cfg_file) as json_data_file:
            data = json.load(json_data_file)
    except IOError:
        print("cfg file not readable:", cfg_file)
        exit(-1)


    pymodule_name = data["module_name"]
    libclang_path = data["libclang_path"]

    header_filename = data["header_filename"]
    vars = data["variables"]
    funcs = data["functions"]


    print_indent("CONFIG:")
    print_indent("module_name:", pymodule_name, indent=1)

    print_indent("libclang_path:", libclang_path, indent=1)

    print_indent("header_filename:", header_filename, indent=1)

    print_indent("variables:", indent=1)
    for var in vars:
        print_indent(var, indent=2)

    print_indent("functions:", indent=1)
    for func in funcs:
        print_indent(func, indent=2)


    acidgen = pEpACIDgen.pEpACIDGen(libclang_path, header_filename, pymodule_name)
    header = acidgen.extract(vars, funcs, debug_ast=False, debug_acid=False, debug_yml=False)

    print_indent("OUTPUT:")
    print_indent(header["acid_yml"])
    utils.write_string(header["acid_yml"], "./" + "py_module" + ".yml2", )


if __name__ == "__main__":
    main()