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

from argparse import ArgumentParser, FileType
from base64 import b64encode

__author__ = "Cheri Dawn"
__copyright__ = "Copyright 2024, Cheri Dawn"
__license__ = "GPLv3"
__version__ = "0.2.0"
__maintainer__ = "Cheri Dawn"
__status__ = "Prototype"

if __name__ == "__main__":
    parser = ArgumentParser(
        description="SETAGE, the Simple Extensible Text Adventure Game Engine")
    parser.add_argument("file", nargs="?", default="manifest.setage",
                        type=FileType("r"),
                        help="The manifest.setage file "
                        "to generate a script for.")
    parser.add_argument("template", nargs="?",
                        default="setage-standalone.py.template",
                        type=FileType("r"),
                        help="The template for the script.")
    parser.add_argument("output", nargs="?", default="setage-standalone.py",
                        type=FileType("w"),
                        help="The output file.")

    args = parser.parse_args()
    print(f"Reading manifest '{args.file.name}'...")
    data = args.file.read()
    print(f"Read manifest '{args.file.name}'.")

    print(f"Reading template '{args.template.name}'...")
    template = args.template.read()
    print(f"Read template '{args.template.name}'.")

    out = template.replace("{{data}}",
                           b64encode(data.encode("utf-8")).decode("utf-8"))

    print(f"Writing output '{args.output.name}'...")
    output = args.output.write(out)
    print(f"Wrote output '{args.output.name}'.")