#   This is a component of LinuxCNC
#   Copyright 2011, 2013 Dewey Garrett <dgarrett@panix.com>, Michael
#   Haberler <git@mah.priv.at>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import hal
import emctask

class UserFuncs(object):
    ''' additional user-defined methods for Task() which may be called through
    the IO_PLUGIN_CALL mechanism
    a mixin class to CustomTask

    methods  are expected to return a emctask,
    '''
    def __init__(self):
        print("UserFuncs.__init__()")
        myhal = hal.component("myhal")
        myhal.newpin("bit", hal.HAL_BIT, hal.HAL_OUT)
        myhal.newpin("float", hal.HAL_FLOAT, hal.HAL_OUT)
        myhal.newpin("int", hal.HAL_S32, hal.HAL_OUT)
        myhal.ready()
        self.myhal = myhal #FIXME
        self.components["myhal"] = myhal

    def demo(self,*args, **kwargs):
        print("TASK: demo(%s,%s)" % (args,kwargs))
        for i in range(int(args[0])):
            self.myhal['bit'] = not  self.myhal['bit']
        return emctask.RCS_STATUS.RCS_DONE


    def show_emcstat(self,args):
        '''
        snapshot some of emcstat to stdout
        '''
        e = emctask.emcstat
        print("mode=",e.task.mode)
        print("state=",e.task.state)
        print("file=",e.task.file)
        print("toolOffset=",str(e.task.toolOffset))
        print("tooltable[0]=",e.io.tool.toolTable[0])
        print("g5x_offset=", e.task.g5x_offset, "system=",e.task.g5x_index)
        return emctask.RCS_STATUS.RCS_DONE

    def set_named_pin(self,value,name):
        print("set_named_pin ",value,name)
        (component,pin) = name.rsplit('.',1)
        comp = self.components[component]

        if type(comp[pin]).__name__ == 'float':
            comp[pin] = value

        if type(comp[pin]).__name__ == 'int':
            comp[pin] = int(value)

        if type(comp[pin]).__name__ == 'bool':
            comp[pin] = bool(int(value))

        return emctask.RCS_STATUS.RCS_DONE
