from . import nc
from . import iso_modal
import math
import datetime
import time

now = datetime.datetime.now()


class Creator(iso_modal.Creator):
    def __init__(self):
        iso_modal.Creator.__init__(self)
        self.output_block_numbers = False
        self.output_tool_definitions = False
        self.output_g43_on_tool_change_line = True

    def SPACE(self):
        if self.start_of_line == True:
            self.start_of_line = False
            return ''
        else:
            return ' '

    def PROGRAM(self): return None

    def PROGRAM_END(self):
        if self.output_tool_change:
            return('T0' + self.SPACE() + 'M06' + self.SPACE() + 'M02')
        else:
            return('M02')

    def dwell(self, t):
        self.write('\n')
        iso_modal.Creator.dwell(self, t)
############################################################################
# Begin Program

    def program_begin(self, id, comment):
        if (self.useCrc == False):
            self.write(('(Created with emc2b post processor ' +
                        str(now.strftime("%Y/%m/%d %H:%M")) + ')' + '\n'))
        else:
            self.write(('(Created with emc2b Cutter Radius Compensation post processor ' +
                        str(now.strftime("%Y/%m/%d %H:%M")) + ')' + '\n'))
        iso_modal.Creator.program_begin(self, id, comment)


nc.creator = Creator()