# vim:set et ts=4 sts=4:
# -*- coding: utf-8 -*-
#
# ibus-pinyin - The Chinese PinYin engine for IBus
#
# Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
# Copyright (c) 2010 BYVoid <byvoid1@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, 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 St, Fifth Floor, Boston, MA 02110-1301, USA.

import gettext
import locale
import os
import sys

from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import IBus
from xdg import BaseDirectory

import version

_ = lambda a : gettext.dgettext("ibus-pinyin", a)

class PreferencesDialog:
    def __init__(self, engine):
        locale.setlocale(locale.LC_ALL, "")
        localedir = os.getenv("IBUS_LOCALEDIR")
        gettext.bindtextdomain("ibus-pinyin", localedir)
        gettext.bind_textdomain_codeset("ibus-pinyin", "UTF-8")

        self.__bus = IBus.Bus()
        self.__config = self.__bus.get_config()
        self.__builder = Gtk.Builder()
        self.__builder.set_translation_domain("ibus-pinyin")
        self.__builder.add_from_file("ibus-pinyin-preferences.ui")
        self.__dialog = self.__builder.get_object("dialog")
        self.__init_pages()

        if engine == "pinyin":
            self.__config_namespace = "engine/Pinyin"
            self.__values = dict(self.__config.get_values(self.__config_namespace))
            self.__init_general()
            self.__init_pinyin()
            self.__init_fuzzy()
            self.__init_dictionary()
            self.__init_about()
        elif engine == "bopomofo":
            self.__config_namespace = "engine/Bopomofo"
            self.__values = dict(self.__config.get_values(self.__config_namespace))
            self.__init_general()
            self.__init_bopomofo()
            self.__init_fuzzy()
            self.__init_dictionary()
            self.__init_about()
            self.__convert_fuzzy_pinyin_to_bopomofo()
        else:
            print("Error: Unknown Engine")
            exit()

        self.__pages.set_current_page(0)

    def __init_pages(self):
        self.__pages = self.__builder.get_object("pages")
        self.__page_general = self.__builder.get_object("pageGeneral")
        self.__page_pinyin_mode = self.__builder.get_object("pagePinyinMode")
        self.__page_bopomofo_mode = self.__builder.get_object("pageBopomofoMode")
        self.__page_fuzzy = self.__builder.get_object("pageFuzzy")
        self.__page_dictionary = self.__builder.get_object("pageDictionary")
        self.__page_about = self.__builder.get_object("pageAbout")

        self.__page_general.hide()
        self.__page_pinyin_mode.hide()
        self.__page_bopomofo_mode.hide()
        self.__page_fuzzy.hide()
        self.__page_dictionary.hide()
        self.__page_about.hide()

    def __init_general(self):
        # page General
        self.__page_general.show()

        # init state
        self.__init_chinese = self.__builder.get_object("InitChinese")
        self.__init_english = self.__builder.get_object("InitEnglish")
        self.__init_full = self.__builder.get_object("InitFull")
        self.__init_half = self.__builder.get_object("InitHalf")
        self.__init_full_punct = self.__builder.get_object("InitFullPunct")
        self.__init_half_punct = self.__builder.get_object("InitHalfPunct")
        self.__init_simp = self.__builder.get_object("InitSimplifiedChinese")
        self.__init_trad = self.__builder.get_object("IniTraditionalChinese")

        # UI
        self.__lookup_table_page_size = self.__builder.get_object("LookupTablePageSize")
        self.__lookup_table_orientation = self.__builder.get_object("LookupTableOrientation")

        # read values
        self.__init_chinese.set_active(self.__get_value("InitChinese", True))
        self.__init_full.set_active(self.__get_value("InitFull", False))
        self.__init_full_punct.set_active(self.__get_value("InitFullPunct", True))
        self.__init_simp.set_active(self.__get_value("InitSimplifiedChinese", True))
        self.__lookup_table_orientation.set_active(self.__get_value("LookupTableOrientation", 0))
        self.__lookup_table_page_size.set_value(self.__get_value("LookupTablePageSize", 5))

        # connect signals
        self.__init_chinese.connect("toggled", self.__toggled_cb, "InitChinese")
        self.__init_full.connect("toggled", self.__toggled_cb, "InitFull")
        self.__init_full_punct.connect("toggled", self.__toggled_cb, "InitFullPunct")
        self.__init_simp.connect("toggled", self.__toggled_cb, "InitSimplifiedChinese")

        def __lookup_table_page_size_changed_cb(adjustment):
            self.__set_value("LookupTablePageSize", int(adjustment.get_value()))

        def __lookup_table_orientation_changed_cb(widget):
            self.__set_value("LookupTableOrientation", widget.get_active())

        self.__lookup_table_orientation.connect("changed", __lookup_table_orientation_changed_cb)
        self.__lookup_table_page_size.connect("value-changed", __lookup_table_page_size_changed_cb)

    def __init_pinyin(self):
        # page
        self.__page_pinyin_mode.show()

        # pinyin
        self.__full_pinyin = self.__builder.get_object("FullPinyin")
        self.__incomplete_pinyin = self.__builder.get_object("IncompletePinyin")
        self.__double_pinyin = self.__builder.get_object("DoublePinyin")
        self.__double_pinyin_schema = self.__builder.get_object("DoublePinyinSchema")
        # self.__double_pinyin_schema_label = self.__builder.get_object("labelDoublePinyinSchema")
        self.__double_pinyin_show_raw = self.__builder.get_object("DoublePinyinShowRaw")

        # read value
        self.__incomplete_pinyin.set_active(self.__get_value("IncompletePinyin", True))
        self.__full_pinyin.set_active(not self.__get_value("DoublePinyin", False))
        self.__double_pinyin_schema.set_active(self.__get_value("DoublePinyinSchema", 0))
        if self.__full_pinyin.get_active():
            # self.__incomplete_pinyin.set_sensitive(True)
            self.__double_pinyin_schema.set_sensitive(False)
            # self.__double_pinyin_schema_label.set_sensitive(False)
            self.__double_pinyin_show_raw.set_sensitive(False)
        else:
            # self.__incomplete_pinyin.set_sensitive(False)
            self.__double_pinyin_schema.set_sensitive(True)
            # self.__double_pinyin_schema_label.set_sensitive(True)
            self.__double_pinyin_show_raw.set_sensitive(True)

        def __double_pinyin_toggled_cb(widget):
            val = widget.get_active()
            self.__set_value("DoublePinyin", val)
            self.__double_pinyin_schema.set_sensitive(val)
            # self.__double_pinyin_schema_label.set_sensitive(val)
            self.__double_pinyin_show_raw.set_sensitive(val)

        def __double_pinyin_schema_changed_cb(widget):
            self.__set_value("DoublePinyinSchema", widget.get_active())

        # connect signals
        self.__double_pinyin.connect("toggled", __double_pinyin_toggled_cb)
        self.__incomplete_pinyin.connect("toggled", self.__toggled_cb, "IncompletePinyin")
        self.__double_pinyin_schema.connect("changed", __double_pinyin_schema_changed_cb)
        self.__double_pinyin_show_raw.connect("toggled", self.__toggled_cb, "DoublePinyinShowRaw")

        self.__init_input_custom()
        self.__init_correct_pinyin()

    def __init_bopomofo(self):
        # page Bopomodo Mode
        self.__page_bopomofo_mode.show()

        # bopomofo mode
        self.__incomplete_bopomofo = self.__builder.get_object("IncompleteBopomofo")
        self.__bopomofo_keyboard_mapping = self.__builder.get_object("BopomofoKeyboardMapping")

        # selection mode
        self.__select_keys = self.__builder.get_object("SelectKeys")
        self.__guide_key = self.__builder.get_object("GuideKey")
        self.__auxiliary_select_key_f = self.__builder.get_object("AuxiliarySelectKey_F")
        self.__auxiliary_select_key_kp = self.__builder.get_object("AuxiliarySelectKey_KP")

        # other
        self.__enter_key = self.__builder.get_object("CommitFirstCandidate")

        # read value
        self.__bopomofo_keyboard_mapping.set_active(self.__get_value("BopomofoKeyboardMapping", 0))
        self.__incomplete_bopomofo.set_active(self.__get_value("IncompletePinyin", False))
        self.__select_keys.set_active(self.__get_value("SelectKeys", 0))
        self.__guide_key.set_active(self.__get_value("GuideKey", 1))
        self.__auxiliary_select_key_f.set_active(self.__get_value("AuxiliarySelectKey_F", 1))
        self.__auxiliary_select_key_kp.set_active(self.__get_value("AuxiliarySelectKey_KP", 1))
        self.__enter_key.set_active(self.__get_value("EnterKey", True))

        # connect signals
        def __bopomofo_keyboard_mapping_changed_cb(widget):
            self.__set_value("BopomofoKeyboardMapping", widget.get_active())
        def __select_keys_changed_cb(widget):
            self.__set_value("SelectKeys", widget.get_active())

        self.__bopomofo_keyboard_mapping.connect("changed", __bopomofo_keyboard_mapping_changed_cb)
        self.__incomplete_bopomofo.connect("toggled", self.__toggled_cb, "IncompletePinyin")
        self.__select_keys.connect("changed", __select_keys_changed_cb)
        self.__guide_key.connect("toggled", self.__toggled_cb, "GuideKey")
        self.__auxiliary_select_key_f.connect("toggled", self.__toggled_cb, "AuxiliarySelectKey_F")
        self.__auxiliary_select_key_kp.connect("toggled", self.__toggled_cb, "AuxiliarySelectKey_KP")
        self.__enter_key.connect("toggled", self.__toggled_cb, "EnterKey")

    def __init_input_custom(self):
        # others
        self.__shift_select_candidate = self.__builder.get_object("ShiftSelectCandidate")
        self.__minus_equal_page = self.__builder.get_object("MinusEqualPage")
        self.__comma_period_page = self.__builder.get_object("CommaPeriodPage")
        self.__auto_commit = self.__builder.get_object("AutoCommit")

        # read values
        self.__shift_select_candidate.set_active(self.__get_value("ShiftSelectCandidate", False))
        self.__minus_equal_page.set_active(self.__get_value("MinusEqualPage", True))
        self.__comma_period_page.set_active(self.__get_value("CommaPeriodPage", True))
        self.__auto_commit.set_active(self.__get_value("AutoCommit", False))

        # connect signals
        self.__shift_select_candidate.connect("toggled", self.__toggled_cb, "ShiftSelectCandidate")
        self.__minus_equal_page.connect("toggled", self.__toggled_cb, "MinusEqualPage")
        self.__comma_period_page.connect("toggled", self.__toggled_cb, "CommaPeriodPage")
        self.__auto_commit.connect("toggled", self.__toggled_cb, "AutoCommit")

    def __init_correct_pinyin(self):
        # auto correct
        self.__correct_pinyin = self.__builder.get_object("CorrectPinyin")
        self.__correct_pinyin_widgets = [
            ("CorrectPinyin_GN_NG", True),
            ("CorrectPinyin_MG_NG", True),
            ("CorrectPinyin_IOU_IU", True),
            ("CorrectPinyin_UEI_UI", True),
            ("CorrectPinyin_UEN_UN", True),
            ("CorrectPinyin_UE_VE", True),
            ("CorrectPinyin_V_U", True),
            ("CorrectPinyin_ON_ONG", True),
        ]

        def __correct_pinyin_toggled_cb(widget):
            val = widget.get_active()
            map(lambda w: self.__builder.get_object(w[0]).set_sensitive(val),
                self.__correct_pinyin_widgets)
        self.__correct_pinyin.connect("toggled", __correct_pinyin_toggled_cb)

        # init value
        self.__correct_pinyin.set_active(self.__get_value("CorrectPinyin", True))
        for name, defval in self.__correct_pinyin_widgets:
            widget = self.__builder.get_object(name)
            widget.set_active(self.__get_value(name, defval))

        self.__correct_pinyin.connect("toggled", self.__toggled_cb, "CorrectPinyin")
        for name, defval in self.__correct_pinyin_widgets:
            widget = self.__builder.get_object(name)
            widget.connect("toggled", self.__toggled_cb, name)

    def __init_fuzzy(self):
        # page Fuzzy
        self.__page_fuzzy.show()

        # fuzzy pinyin
        self.__fuzzy_pinyin = self.__builder.get_object("FuzzyPinyin")
        self.__fuzzy_pinyin_widgets = [
            ("FuzzyPinyin_C_CH", True),
            ("FuzzyPinyin_Z_ZH", True),
            ("FuzzyPinyin_S_SH", True),
            ("FuzzyPinyin_CH_C", False),
            ("FuzzyPinyin_ZH_Z", False),
            ("FuzzyPinyin_SH_S", False),
            ("FuzzyPinyin_L_N", True),
            ("FuzzyPinyin_F_H", True),
            ("FuzzyPinyin_L_R", False),
            ("FuzzyPinyin_K_G", True),
            ("FuzzyPinyin_N_L", False),
            ("FuzzyPinyin_H_F", False),
            ("FuzzyPinyin_R_L", False),
            ("FuzzyPinyin_G_K", False),
            ("FuzzyPinyin_AN_ANG", True),
            ("FuzzyPinyin_EN_ENG", True),
            ("FuzzyPinyin_IN_ING", True),
            ("FuzzyPinyin_ANG_AN", True),
            ("FuzzyPinyin_ENG_EN", True),
            ("FuzzyPinyin_ING_IN", True),
            # ("FuzzyPinyin_IAN_IANG", True),
            # ("FuzzyPinyin_UAN_UANG", True),
            # ("FuzzyPinyin_IANG_IAN", True),
            # ("FuzzyPinyin_UANG_UAN", True),
        ]

        def __fuzzy_pinyin_toggled_cb(widget):
            val = widget.get_active()
            map(lambda w: self.__builder.get_object(w[0]).set_sensitive(val),
                self.__fuzzy_pinyin_widgets)
        self.__fuzzy_pinyin.connect("toggled", __fuzzy_pinyin_toggled_cb)

        # init value
        self.__fuzzy_pinyin.set_active(self.__get_value("FuzzyPinyin", False))
        for name, defval in self.__fuzzy_pinyin_widgets:
            widget = self.__builder.get_object(name)
            widget.set_active(self.__get_value(name, defval))

        self.__fuzzy_pinyin.connect("toggled", self.__toggled_cb, "FuzzyPinyin")
        for name, defval in self.__fuzzy_pinyin_widgets:
            widget = self.__builder.get_object(name)
            widget.connect("toggled", self.__toggled_cb, name)

    def __convert_fuzzy_pinyin_to_bopomofo(self):
        options = [
            ("FuzzyPinyin_C_CH",   "ㄘ => ㄔ"),
            ("FuzzyPinyin_Z_ZH",   "ㄗ => ㄓ"),
            ("FuzzyPinyin_S_SH",   "ㄙ => ㄕ"),
            ("FuzzyPinyin_CH_C",   "ㄔ => ㄘ"),
            ("FuzzyPinyin_ZH_Z",   "ㄓ => ㄗ"),
            ("FuzzyPinyin_SH_S",   "ㄕ => ㄙ"),
            ("FuzzyPinyin_L_N",    "ㄌ => ㄋ"),
            ("FuzzyPinyin_F_H",    "ㄈ => ㄏ"),
            ("FuzzyPinyin_L_R",    "ㄌ => ㄖ"),
            ("FuzzyPinyin_K_G",    "ㄎ => ㄍ"),
            ("FuzzyPinyin_N_L",    "ㄋ => ㄌ"),
            ("FuzzyPinyin_H_F",    "ㄏ => ㄈ"),
            ("FuzzyPinyin_R_L",    "ㄖ => ㄌ"),
            ("FuzzyPinyin_G_K",    "ㄍ => ㄎ"),
            ("FuzzyPinyin_AN_ANG", "ㄢ => ㄤ"),
            ("FuzzyPinyin_EN_ENG", "ㄣ => ㄥ"),
            ("FuzzyPinyin_IN_ING", "ㄧㄣ => ㄧㄥ"),
            ("FuzzyPinyin_ANG_AN", "ㄤ => ㄢ"),
            ("FuzzyPinyin_ENG_EN", "ㄥ => ㄣ"),
            ("FuzzyPinyin_ING_IN", "ㄧㄥ => ㄧㄣ"),
            # ("FuzzyPinyin_IAN_IANG", "ㄧㄢ => ㄧㄤ"),
            # ("FuzzyPinyin_UAN_UANG", "ㄨㄢ => ㄨㄤ"),
            # ("FuzzyPinyin_IANG_IAN", "ㄧㄤ => ㄧㄢ"),
            # ("FuzzyPinyin_UANG_UAN", "ㄨㄤ => ㄨㄢ"),
        ]

        for name, label in options:
            self.__builder.get_object(name).set_label(label)


    def __init_dictionary(self):
        # page Dictionary
        self.__page_dictionary.show()

        # dictionary
        self.__special_phrases = self.__builder.get_object("SpecialPhrases")
        self.__edit_special_phrases = self.__builder.get_object("EditSpecialPhrases")

        # read values
        self.__special_phrases.set_active(self.__get_value("SpecialPhrases", True))

        def __edit_special_phrases_clicked_cb(widget):
            from xdg import BaseDirectory
            import shutil
            path = os.path.join(BaseDirectory.xdg_config_home, "ibus", "pinyin")
            os.path.exists(path) or os.makedirs(path)
            path = os.path.join(path, "phrases.txt")
            if not os.path.exists(path):
                datadir = os.getenv("IBUS_DATAROOTDIR") or "/usr/share"
                src = os.path.join(datadir, "ibus-pinyin", "phrases.txt")
                shutil.copyfile(src, path)
            os.system("xdg-open %s" % path)

        # connect signals
        self.__special_phrases.connect("toggled", self.__toggled_cb, "SpecialPhrases")
        self.__edit_special_phrases.connect("clicked", __edit_special_phrases_clicked_cb)

    def __init_about(self):
        # page About
        self.__page_about.show()

        self.__name_version = self.__builder.get_object("NameVersion")
        self.__name_version.set_markup(_("<big><b>IBus Pinyin %s</b></big>") % version.get_version())

    def __changed_cb(self, widget, name):
        self.__set_value(name, widget.get_active())

    def __toggled_cb(self, widget, name):
        self.__set_value(name, widget.get_active ())

    def __get_value(self, name, defval):
        if name in self.__values:
            var = self.__values[name]
            if isinstance(defval, type(var)):
                return var
        self.__set_value(name, defval)
        return defval

    def __set_value(self, name, val):
        var = None
        if isinstance(val, bool):
            var = GLib.Variant.new_boolean(val)
        elif isinstance(val, int):
            var = GLib.Variant.new_int32(val)
        elif isinstance(val, str):
            var = GLib.Variant.new_string(val)
        else:
            print >> sys.stderr, "val(%s) is not in support type." % repr(val)
            return

        self.__values[name] = val
        self.__config.set_value(self.__config_namespace, name, var)

    def run(self):
        return self.__dialog.run()

def main():
    name = "pinyin"
    if len(sys.argv) == 2:
        name = sys.argv[1]
    if name not in ("pinyin", "bopomofo"):
        name = "pinyin"
    PreferencesDialog(name).run()


if __name__ == "__main__":
    main()
