#!/usr/bin/env python3
# This file is placed in the Public Domain.
#
# pylint: disable=C0413,W0212,W0611


"""OPD - Original Programmer Daemon

    opdctl  <cmd> [key=val] [key==val]
    opdctl  [-a] [-c] [-h] [-v]
    opd

    options are:

    -a     load all modules
    -c     start console
    -h     show help
    -v     use verbose

    the cmd command show available commands.
    
    $ opdctl cmd
    cfg,cmd,dpl,err,exp,imp,mod,mre,nme,pwd,rem,res,rss,thr

"""


import getpass
import os
import pathlib
import pwd
import readline
import sys
import termios
import time


from opd.client  import Client, cmnd, init, scan
from opd.default import Default
from opd.disk    import Workdir
from opd.errors  import Errors, errors
from opd.event   import Event
from opd.log     import Logging, debug
from opd.parser  import parse
from opd.run     import broker


from opd import modules


Cfg             = Default()
Cfg.dis         = ""
Cfg.mod         = "cmd,err,irc,log,mod,rss,tdo,thr,tmr"
Cfg.name        = "opd"
Cfg.opts        = ""
Cfg.version     = "211"
Cfg.wdr         = os.path.expanduser(f"~/.{Cfg.name}")
Cfg.pidfile     = os.path.join(Cfg.wdr, f"{Cfg.name}.pid")


Workdir.workdir = Cfg.wdr


class Console(Client):

    "Console"

    def __init__(self):
        Client.__init__(self)
        broker.add(self)

    def announce(self, txt):
        "disable announce."

    def callback(self, evt):
        "wait for callback."
        Client.callback(self, evt)
        evt.wait()

    def poll(self):
        "poll console and create event."
        evt = Event()
        evt.orig = object.__repr__(self)
        evt.txt = input("> ")
        evt.type = "command"
        return evt

    def say(self, _channel, txt):
        "print to console"
        txt = txt.encode('utf-8', 'replace').decode()
        print(txt)


def wrap(func):
    "restore console."
    old2 = None
    try:
        old2 = termios.tcgetattr(sys.stdin.fileno())
    except termios.error:
        pass
    try:
        func()
    except (KeyboardInterrupt, EOFError):
        print("")
    finally:
        if old2:
            termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, old2)
    errors()


def main():
    "main"
    parse(Cfg, " ".join(sys.argv[1:]))
    Workdir.skel()
    if "v" in Cfg.opts and "d" not in Cfg.opts:
        Errors.out = Logging.out = print
    if "a" in Cfg.opts:
        Cfg.mod = ",".join(modules.__dir__())
    if "v" in Cfg.opts:
        dte = " ".join(time.ctime(time.time()).replace("  ", " ").split()[1:])
        debug(f'{dte} {Cfg.name.upper()} {Cfg.opts.upper()} {Cfg.mod.upper()}')
    if "h" in Cfg.opts:
        print(__doc__)
    scan(modules, Cfg.mod, Cfg.sets.dis)
    if "c" in Cfg.opts:
        init(modules, Cfg.mod, Cfg.sets.dis)
        csl = Console()
        csl.start()
        while 1:
            time.sleep(1.0)
    elif Cfg.otxt:
        cmnd(Cfg.otxt, print)


if __name__ == "__main__":
    wrap(main)
