#!/usr/bin/env python3

import os
import json

def parse_packages() -> None:
    for dirpath, dirnames, _ in os.walk("."):
        if "source" in dirnames:
            output_file = os.path.join(dirpath, "packages.json")
            packages    = []
            source_path = os.path.join(dirpath, "source")

            for package_dir in os.listdir(source_path):
                package_path = os.path.join(source_path, package_dir, "PKGBUILD")

                if os.path.isfile(package_path):
                    with open(package_path, "r") as f:
                        name = version = description = None

                        for line in f:
                            if line.startswith("pkgname="):
                                name = line.split("=", 1)[1].strip().strip('"').strip("'")
                            elif line.startswith("pkgver="):
                                version = line.split("=", 1)[1].strip().strip('"').strip("'")
                            elif line.startswith("pkgdesc="):
                                description = line.split("=", 1)[1].strip().strip('"').strip("'")

                        if name and version and description:
                            packages.append({
                                "name": name,
                                "version": version,
                                "description": description
                            })

            packages = sorted(packages, key=lambda x: x["name"])

            with open(output_file, "w") as f:
                json.dump(packages, f, indent=4)

if __name__ == "__main__":
    parse_packages()