#!/usr/bin/env python3

import sys
import json
import click

__author__ = "Alexander Popov"
__version__ = "1.0.2"
__license__ = "Unlicense"


@click.command()
@click.option("--platform", default=sys.platform, help="Output platform (win32, linux, darwin).")
@click.option("--output", default="tty", help="Output option (tty, txt).")
def make_output(platform, output):
    """ Return libraries list """

    libraries = parse_libs()

    # OS libs separate
    _ = {"win32": ";", "linux": ":", "darwin": ":"}

    out_lib = str()

    # Generate libraries list
    for lib in libraries:
        out_lib = out_lib + "$MC_DIR/libraries/{0}".format(lib) + _[platform]

    out_lib = out_lib + "$MC_DIR/versions/$GAME_VERSION/$GAME_VERSION.jar"

    # Replace for OS shell variable symbol
    if platform == "win32":
        out_lib = out_lib.replace("$MC_DIR", "%MC_DIR%")
        out_lib = out_lib.replace("$GAME_VERSION", "%GAME_VERSION%")

    if output == "tty":
        click.echo(out_lib)

        if platform == "win32":
            print("\nWindows generate libraries list complete!")
        elif platform == "linux" or platform == "darwin":
            print("\nUnix generate libraries list complete!")
    elif output == "txt":
        with open("./libs.txt", "w", encoding="utf-8") as f:
            f.write(out_lib)

        if platform == "win32":
            print("\nWindows generate libraries list complete!\n" "See libs.txt file.")
        elif platform == "linux" or platform == "darwin":
            print("\nUnix generate libraries list complete!\n" "See libs.txt file.")


def parse_libs():
    """ Make libraries list from version.json file """

    _ = []

    with open("./version.json", "r", encoding="utf-8") as f:
        file_data = json.loads(f.read())

        for lib in file_data["libraries"]:
            _.append(lib["downloads"]["artifact"]["path"])

    return _


if __name__ == "__main__":
    make_output()