#!/usr/bin/python3
import cec
from time import sleep
from evdev import UInput, ecodes
import os

DEBUG = True
logfile = None

def log(*args):
    global logfile
    if DEBUG:
        if not logfile:
            logfile = open("/tmp/cec-to-keyboard.log", "w")
        print(*args,file=logfile)
        logfile.flush()

def isRunning(name):
    pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
    out = []

    for pid in pids:
        try:
             cmdline = open(os.path.join('/proc', pid, 'cmdline'), 'rb').read().decode("utf-8","replace").split("\0")
             if os.path.basename(cmdline[0]) == name:
                 return True
        except:
             pass

    return False

keys_kodi = { 3:ecodes.KEY_LEFT, 4:ecodes.KEY_RIGHT, 1:ecodes.KEY_UP, 2:ecodes.KEY_DOWN,
        13:ecodes.KEY_ESC, 0:ecodes.KEY_ENTER, 11:ecodes.KEY_COMPOSE, 72:ecodes.KEY_REWIND,
        73:ecodes.KEY_FASTFORWARD, 70:ecodes.KEY_PLAY  }
keys = { 3:ecodes.KEY_LEFT, 4:ecodes.KEY_RIGHT, 1:ecodes.KEY_UP, 2:ecodes.KEY_DOWN,
        13:ecodes.KEY_ESC, 0:ecodes.KEY_ENTER, 11:ecodes.KEY_LEFTMETA, 72:ecodes.KEY_REWIND,
        73:ecodes.KEY_FASTFORWARD, 70:ecodes.KEY_PLAY  }

ui = UInput()

def keyPress(key, duration):
    #kodi = isRunning("kodi-rbpi_v7")
    #ckeys = keys_kodi if kodi else keys
    log("pressed",key,duration)
    ckeys = keys
    if key in ckeys:
        if duration == 0:
            ui.write(ecodes.EV_KEY, ckeys[key], 1)
        else:
            ui.write(ecodes.EV_KEY, ckeys[key], 0)
        ui.syn()
    else:
        log("pressed",key,duration)

cecConfig = cec.libcec_configuration()
cecConfig.strDeviceName   = "pyLibCec"
cecConfig.bActivateSource = 0
cecConfig.deviceTypes.Add(cec.CEC_DEVICE_TYPE_RECORDING_DEVICE)
cecConfig.clientVersion = cec.LIBCEC_VERSION_CURRENT
cecConfig.SetLogCallback(lambda level, time, message: log("log",level,time,message))
cecConfig.SetCommandCallback(lambda cmd: log("cmd",cmd))
cecConfig.SetKeyPressCallback(keyPress)
lib = cec.ICECAdapter.Create(cecConfig)
adapters = lib.DetectAdapters()
if not adapters:
    raise Exception("No CEC adapters found")
lib.Open(adapters[0].strComName)

#lib = pyCecClient.pyCecClient()
#lib.SetKeyPressCallback(keyPress)
#lib.SetLogCallback(lambda level, time, message: log("log",level,time,message))
#lib.SetCommandCallback(lambda cmd: log("cmd",cmd))
#lib.InitLibCec()

while True:
    sleep(10)