#!/usr/bin/env python3
#
# Copyright 2008, 2009 Hannes Hochreiner
#                 2020 Martin Owens
#
# 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 3 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, see http://www.gnu.org/licenses/.
#
"""Jessyink effect extension."""

import inkex

from jessyink_install import JessyInkMixin, _


class JessyinkEffects(JessyInkMixin, inkex.EffectExtension):
    """Add ad effect to jessy ink selected items"""

    def add_arguments(self, pars):
        pars.add_argument("--tab")
        pars.add_argument("--effectInOrder", type=int, default=1)
        pars.add_argument("--effectInDuration", type=float, default=0.8)
        pars.add_argument("--effectIn", default="none")
        pars.add_argument("--effectOutOrder", type=int, default=1)
        pars.add_argument("--effectOutDuration", type=float, default=0.8)
        pars.add_argument("--effectOut", default="none")

    def effect(self):
        self.is_installed()
        if not self.svg.selection:
            raise inkex.AbortExtension(
                _(
                    "No object selected. Please select the object you want to "
                    "assign an effect to and then press apply.\n"
                )
            )

        for elem in self.svg.selection.values():
            self._process(elem, "effectIn")
            self._process(elem, "effectOut")

    def _process(self, elem, name):
        effect = getattr(self.options, name)
        order = getattr(self.options, name + "Order")
        duration = int(getattr(self.options, name + "Duration") * 1000)

        if effect in ("appear", "fade", "pop"):
            elem.set(
                "jessyink:" + name,
                inkex.Style(name=effect, order=order, length=duration),
            )
            # Remove possible view argument.
            elem.pop("jessyink:view", None)
        else:
            elem.pop("jessyink:" + name, None)


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