#!/usr/bin/env python3
# Copyright (C) 2019 Florian Festi
#
#   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/>.
from __future__ import annotations

import argparse
import os.path
import sys
from typing import Any

try:
    import boxes.generators
except ImportError:
    sys.path.append(os.path.dirname(__file__) + "/..")
    import boxes.generators
from boxes import edges, lids


class DefaultParams(boxes.Boxes):

    def __init__(self) -> None:
        boxes.Boxes.__init__(self)
        self.buildArgParser("x", "y", "h", "hi", "sx", "sy", "sh",
                            "bottom_edge", "top_edge", "outside", "nema_mount")
        self.addSettingsArgs(edges.FingerJointSettings, finger=1.0, space=1.0)
        self.addSettingsArgs(edges.StackableSettings)
        self.addSettingsArgs(edges.HingeSettings)
        self.addSettingsArgs(edges.SlideOnLidSettings)
        self.addSettingsArgs(edges.ClickSettings)
        self.addSettingsArgs(edges.FlexSettings)
        self.addSettingsArgs(lids.LidSettings)


class Boxes2pot:
    def __init__(self) -> None:
        self.messages: list[Any] = []
        self.message_set: set[Any] = set()
        self.boxes = {b.__name__: b() for b in boxes.generators.getAllBoxGenerators().values() if b.webinterface}
        self.groups = boxes.generators.ui_groups
        self.groups_by_name = boxes.generators.ui_groups_by_name
        self._readEdgeDescriptions()

    def add(self, msg, comment=None, reference=None):
        if not msg or msg in self.message_set:
            return
        self.message_set.add(msg)
        self.messages.append((msg, comment, reference))

    def filename_from_module(self, modulename):
        modulenames = modulename.split(".")
        return "/".join(modulenames) + ".py"

    def _readEdgeDescriptions(self):
        for char, descr in edges.getDescriptions().items():
            self.add(descr, f"{char} edge description", "boxes/edges.py")
            self.add(f"{char} {descr}", f"{char} edge description", "boxes/edges.py")

    def addBoxParams(self, name, box, location=None):
        for group in box.argparser._action_groups:
            if not group._group_actions:
                continue
            self.add(group.title)
            for a in group._group_actions:
                if a.dest in ("input", "output"):
                    continue
                if isinstance(a, argparse._HelpAction):
                    continue
                prefix = getattr(group, "prefix", "")
                name = a.option_strings[0].replace("-", "")
                if prefix and name.startswith(prefix + '_'):
                    name = name[len(prefix) + 1:]
                    self.add(name, "parameter name for " + prefix, location)
                else:
                    self.add(name, "parameter name", location)
                if a.help:
                    self.add(a.help, "help for parameter " + name, location)
                for c in a.choices or []:
                    if isinstance(c, (float, int)):
                        continue
                    self.add(c, "possible choice for " + name, location)

    def readBoxes(self):
        for group in self.groups:
            location = "boxes/generators/__init__.py"
            self.add(group.name, "name of generator group", location)
            self.add(group.title, "title of group " + group.name, location)
            self.add(group.description, "description of group " + group.name, location)
        self.addBoxParams(None, DefaultParams())
        for name, box in self.boxes.items():
            location = self.filename_from_module(box.__module__)
            self.add(name, "name of box generator", location)
            if box.__doc__:
                self.add(box.__doc__, "description of " + name, location)
            if box.description:
                self.add(box.description, "long description of " + name + " in markdown", location)
            self.addBoxParams(name, box, location)

    def writePOT(self, fn):
        with open(fn, encoding="utf-8", mode="w") as f:
            f.write(r"""msgid ""
msgstr ""
"Project-Id-Version: boxes.py VERSION\n"
"PO-Revision-Date: 2019-04-20 14:53+0200\n"
"Last-Translator: Florian Festi <florian@festi.info>\n"
"Language-Team: English\n"
"Language: en_US\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
""")

            for msg, comment, reference in self.messages:
                f.write("\n")
                if comment:
                    f.write("#. %s\n" % comment)
                if reference:
                    f.write("#: %s\n" % reference)
                msg = msg.split("\n")
                for i in range(len(msg) - 1):
                    msg[i] += "\\n"
                f.write('msgid ')
                for m in msg:
                    f.write(' "%s"\n' % m.replace('"', '\\"'))
                f.write('msgstr ""\n')


def main() -> None:
    if len(sys.argv) != 2:
        print("Usage: boxes2pot TARGETPATH")
        return
    b = Boxes2pot()
    b.readBoxes()
    b.writePOT(sys.argv[1])


if __name__ == "__main__":
    main()