#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
#
# This file is part of input-remapper.
#
# input-remapper 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.
#
# input-remapper 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 input-remapper.  If not, see <https://www.gnu.org/licenses/>.

import os
import time
import unittest
from unittest.mock import patch, MagicMock

import gi

from inputremapper.injection.global_uinputs import GlobalUInputs, UInput
from inputremapper.injection.mapping_handlers.mapping_parser import MappingParser

gi.require_version("Gdk", "3.0")
gi.require_version("Gtk", "3.0")
gi.require_version("GtkSource", "4")
gi.require_version("GLib", "2.0")

from inputremapper.configs.global_config import GlobalConfig
from inputremapper.gui.utils import gtk_iteration
from inputremapper.daemon import Daemon

from tests.lib.test_setup import test_setup
from tests.system.gui.gui_test_base import (
    launch,
    start_reader_service,
    clean_up_gui_test,
)


@test_setup
class TestGroupsFromReaderService(unittest.TestCase):
    def patch_os_system(self):
        def os_system(cmd, original_os_system=os.system):
            # instead of running pkexec, fork instead. This will make
            # the reader-service aware of all the test patches
            if "pkexec input-remapper-control --command start-reader-service" in cmd:
                # don't start the reader-service just log that it was.
                self.reader_service_started()
                return 0

            return original_os_system(cmd)

        self.os_system_patch = patch.object(
            os,
            "system",
            os_system,
        )

        # this is already part of the test. we need a bit of patching and hacking
        # because we want to discover the groups as early a possible, to reduce startup
        # time for the application
        self.os_system_patch.start()

    def bootstrap_daemon(self):
        # The daemon gets fresh instances of everything, because as far as I remember
        # it runs in a separate process.
        global_config = GlobalConfig()
        global_uinputs = GlobalUInputs(UInput)
        mapping_parser = MappingParser(global_uinputs)

        return Daemon(
            global_config,
            global_uinputs,
            mapping_parser,
        )

    def patch_daemon(self):
        # don't try to connect, return an object instance of it instead
        self.daemon_connect_patch = patch.object(
            Daemon,
            "connect",
            lambda: self.bootstrap_daemon(),
        )
        self.daemon_connect_patch.start()

    def setUp(self):
        self.reader_service_started = MagicMock()
        self.patch_os_system()
        self.patch_daemon()

        (
            self.user_interface,
            self.controller,
            self.data_manager,
            self.message_broker,
            self.daemon,
            self.global_config,
        ) = launch()

    def tearDown(self):
        clean_up_gui_test(self)
        self.os_system_patch.stop()
        self.daemon_connect_patch.stop()

    def test_knows_devices(self):
        # verify that it is working as expected. The gui doesn't have knowledge
        # of groups until the root-reader-service provides them
        self.data_manager._reader_client.groups.set_groups([])
        gtk_iteration()
        self.reader_service_started.assert_called()
        self.assertEqual(len(self.data_manager.get_group_keys()), 0)

        # start the reader-service delayed
        start_reader_service()
        # perform some iterations so that the reader ends up reading from the pipes
        # which will make it receive devices.
        for _ in range(10):
            time.sleep(0.02)
            gtk_iteration()

        self.assertIn("Foo Device 2", self.data_manager.get_group_keys())
        self.assertIn("Foo Device 2", self.data_manager.get_group_keys())
        self.assertIn("Bar Device", self.data_manager.get_group_keys())
        self.assertIn("gamepad", self.data_manager.get_group_keys())
        self.assertEqual(self.data_manager.active_group.name, "Foo Device")


if __name__ == "__main__":
    unittest.main()