#!/usr/bin/env python3

import json, os, shutil


def handle_path(s, path=None):
    desc = s
    if path is not None:
        os.chdir(path)
        desc += " # in '%s'" % path
    print(desc)


def cmd(s, path=None):
    home = os.path.abspath(os.curdir)
    try:
        handle_path(s, path)
        if os.system(s):
            raise RuntimeError("Error executing '%s'" % s)
    finally:
        os.chdir(home)


def app_version():
    # We also create a versioned app.html file, named "app-[version].html", where
    # version is taken from package.json.  We do this entirely so we easily
    # run specific versions of the cocalc client code by slightly changing
    # the URL.  Nothing else should depend on this.
    version = json.loads(open('package.json').read())['version']
    cmd(f"cp dist/app.html dist/app-{version}.html")


def main():
    # Build with production BASE_PATH='/'.  Note that we also disable disk caching for production builds,
    # since disk caching **does** randomly break (maybe 10% chance), and despite the speedups, it
    # is just not worth the risk for production builds!!!  If webpack fixes their disk caching bugs,
    # maybe change this; this may take time, since I couldn't find a reported bug about this now.
    #
    # TODO -- this is dumb and we must get rid of hardcoding of the base url. But that is another problem for later...
    NODE_ENV = os.environ.get('NODE_ENV', 'production')
    cmd(f"NO_WEBPACK_DISK_CACHE=true NODE_ENV={NODE_ENV} NODE_OPTIONS=--max_old_space_size=8000 webpack --progress --color"
        )
    app_version()


if __name__ == "__main__":
    main()