#!/usr/bin/env python3
# coding=utf-8
#
# Copyright (C) 2013 <Public Domain>
#               2018 Martin Owens <doctormo@gmail.com>
#
# 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 inkex
from inkex.ports import Serial
from inkex.localization import inkex_gettext as _

import hpgl_encoder


class Plot(inkex.OutputExtension):
    """Generate a plot in HPGL output"""

    def add_arguments(self, pars):
        pars.add_argument("--tab")
        pars.add_argument(
            "--parallelPort", default="/dev/usb/lp2", help="Parallel port"
        )
        pars.add_argument("--serialPort", default="COM1", help="Serial port")
        pars.add_argument("--serialBaudRate", default="9600", help="Serial Baud rate")
        pars.add_argument("--serialByteSize", default="eight", help="Serial byte size")
        pars.add_argument("--serialStopBits", default="one", help="Serial stop bits")
        pars.add_argument("--serialParity", default="none", help="Serial parity")
        pars.add_argument("--serialFlowControl", default="xonxoff", help="Flow control")
        pars.add_argument(
            "--resolutionX", type=float, default=1016.0, help="Resolution X (dpi)"
        )
        pars.add_argument(
            "--resolutionY", type=float, default=1016.0, help="Resolution Y (dpi)"
        )
        pars.add_argument("--pen", type=int, default=1, help="Pen number")
        pars.add_argument("--force", type=int, default=0, help="Pen force (g)")
        pars.add_argument("--speed", type=int, default=0, help="Pen speed (cm/s)")
        pars.add_argument("--orientation", default="0", help="Rotation (Clockwise)")
        pars.add_argument(
            "--mirrorX", type=inkex.Boolean, default=False, help="Mirror X axis"
        )
        pars.add_argument(
            "--mirrorY", type=inkex.Boolean, default=False, help="Mirror Y axis"
        )
        pars.add_argument(
            "--center", type=inkex.Boolean, default=False, help="Center zero point"
        )
        pars.add_argument("--overcut", type=float, default=1.0, help="Overcut (mm)")
        pars.add_argument(
            "--precut", type=inkex.Boolean, default=True, help="Use precut"
        )
        pars.add_argument("--flat", type=float, default=1.2, help="Curve flatness")
        pars.add_argument(
            "--autoAlign", type=inkex.Boolean, default=True, help="Auto align"
        )
        pars.add_argument(
            "--toolOffset",
            type=float,
            default=0.25,
            help="Tool (Knife) offset correction (mm)",
        )
        pars.add_argument(
            "--portType",
            type=self.arg_method("to"),
            default=self.to_serial,
            dest="to_port",
            help="Port type",
        )
        pars.add_argument(
            "--commandLanguage",
            type=self.arg_method("convert"),
            default=self.convert_hpgl,
            dest="to_language",
            help="Command Language Filter",
        )

    def effect(self):
        # get hpgl data
        if self.svg.xpath("//use|//flowRoot|//text") is not None:
            self.preprocess(["flowRoot", "text"])
        encoder = hpgl_encoder.hpglEncoder(self)
        try:
            self.options.to_port(self.options.to_language(encoder.getHpgl()))
        except hpgl_encoder.NoPathError:
            raise inkex.AbortExtension(
                _("No paths where found. Please convert objects to paths.")
            )

    def convert_hpgl(self, hpgl):
        """Convert raw HPGL to HPGL"""
        init = "IN"
        # if self.options.force > 0:
        #    init += ';FS%d' % self.options.force
        # if self.options.speed > 0:
        #    init += ';VS%d' % self.options.speed
        return init + hpgl + ";PU0,0;SP0;IN; "

    def convert_dmpl(self, hpgl):
        """Convert HPGL to DMPL"""
        # ;: = Initialise plotter
        # H = Home position
        # A = Absolute pen positioning
        # Ln = Line type
        # Pn = Pen select
        # Vn = velocity
        # ECn = Coordinate addressing, 1: 0.001 inch, 5: 0.005 inch, M: 0.1 mm
        # D = Pen down
        # U = Pen up
        # Z = Reset plotter
        # n,n, = Coordinate pair
        hpgl = hpgl.replace(";", ",")
        hpgl = hpgl.replace("SP", "P")
        hpgl = hpgl.replace("PU", "U")
        hpgl = hpgl.replace("PD", "D")
        init = ";:HAL0"
        if self.options.speed > 0:
            init += "V%d" % self.options.speed
        init += "EC1"
        return init + hpgl[1:] + ",P0,U0,0,Z "

    def convert_knk(self, hpgl):
        """Convert HPGL to KNK Plotter Language"""
        init = "ZG"
        # if self.options.force > 0:
        #    init += ';FS%d' % self.options.force
        # if self.options.speed > 0:
        #    init += ';VS%d' % self.options.speed
        return init + hpgl + ";SP0;PU0,0;@ "

    def to_parallel(self, hpgl):
        """Output to hgpl to a parallel port"""
        port = open(self.options.parallelPort, "wb")
        port.write(hpgl.encode("utf8"))
        port.close()

    def to_serial(self, hpgl):
        """Output to hgpl to a serial port"""
        with Serial(
            self.options.serialPort,
            baud=self.options.serialBaudRate,
            stop=self.options.serialStopBits,
            size=self.options.serialByteSize,
            flow=self.options.serialFlowControl,
            parity=self.options.serialParity,
        ) as comx:
            comx.write(hpgl.encode("utf8"))
            comx.read(2)
            comx.close()

    def save(self, stream):
        pass


if __name__ == "__main__":
    Plot().run()
