#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import json


from ast_parser import AST_Parser

def create_paths_list(dirname, filenames):
    paths = []
    for basename in filenames:
        path = dirname + basename
        paths.append(path)
    return paths


def read_files(paths):
    content = []
    for path in paths:
        file_info = read_file(path)
        content.append(file_info)
    return content


def read_file(path):
    with open(path) as f:
        file_content = f.read()
        item = {"path": path,
                "sourcecode": file_content}
    return item


def write_json(header):
    header["outpath"] += ".json"
    with open(header.get("outpath"), "w+") as f:
        json.dump(header, f, indent=4)


def prepare_header(header, out_dir):
    basename = os.path.basename(header.get("path"))
    outpath = out_dir + basename
    header["outpath"] = outpath
    return header


def main():
    input()
    parser = AST_Parser("/opt/local/libexec/llvm-9.0/lib/libclang.dylib")
    # Input
    prefix = r"/Users/heck/local-default/"
    filenames = ["pEpEngine.h",
                 "keymanagement.h"]
    # Output
    out_dir = "data/output/"
    if not os.path.isdir(out_dir):
        os.makedirs(out_dir)

    in_dir = prefix + r"include/pEp/"
    paths = create_paths_list(in_dir, filenames)
    headers = read_files(paths)

    for header in headers:
        header = prepare_header(header, out_dir)
        print("processing path: " + header.get("path") + "...")
        header["AST"] = parser.parse(header["path"], header["sourcecode"])
        write_json(header)


if __name__ == "__main__":
    main()