unstable

#!/usr/bin/env python3
import argparse
import os
from pathlib import Path
from subprocess import check_call

this = Path(__file__).absolute()

site_bin = Path('/L/soft/beepb00p/site')

def beepb00p(*args):
    check_call([
        str(site_bin),
        *args,
    ], cwd=this.parent)


# run beepb00p watch --no-server (how to make sure it's not buffering output?)
# if 'Cache corrupt' in output, warn somehow (e.g. ntfy to start with?)
# every night, just restart and rebuild?
# TODO move atomically once built?
# TODO last update?

# shit...
# Removing _site...
# beepb00p: _site: removeDirectoryRecursive: inappropriate type (not a directory)

def systemd(args):
    from kython.ksystemd import setup
    unit = 'beepb00p.service'
    setup(
        unit_name=unit,
        exec_start=f'{this} run',
    )
    # TODO exec jcu -f --unit beepb00p.service

def install(args):
    check_call([
        'stack', 'install',
        '--local-bin-path',
        str(site_bin.parent),
    ], cwd=this.parent)

def run(args):
    beepb00p('clean')
    check_call([
        str(this.parent / 'watch'),
        '--no-server',
    ], env={'SITE_COMMAND': str(site_bin), **os.environ})

# TODO maybe restart via systemd instead?
def main():
    p = argparse.ArgumentParser()
    sp = p.add_subparsers(dest='mode')

    sdp = sp.add_parser('systemd')
    sdp.set_defaults(func=systemd)

    ip = sp.add_parser('install')
    ip.set_defaults(func=install)

    runp = sp.add_parser('run')
    runp.set_defaults(func=run)

    args = p.parse_args()
    args.func(args)

# TODO use asyncio?

if __name__ == '__main__':
    main()