import os
import sys
import gi
import logging
import argparse

from logging.handlers import TimedRotatingFileHandler

gi.require_version('Gtk', '4.0')
gi.require_version('Adw', '1')
gi.require_version('Gio', '2.0')
gi.require_version('GLib', '2.0')

from gi.repository import Adw, Gtk, Gio, GLib
from .configmanager import ConfigManager
from .files import get_config_dir, get_state_dir
from .licensedialog import LicenseDialog
from .statemanager import StateManager
from .window import BreezydesktopWindow
from .xrdriveripc import XRDriverIPC

log_dir = os.path.join(get_state_dir(), 'logs/ui')
os.makedirs(log_dir, exist_ok=True)

logger = logging.getLogger('breezy_ui')
logger.setLevel(logging.INFO)
logname = os.path.join(log_dir, "breezy_desktop.log")
handler = TimedRotatingFileHandler(logname, when="midnight", backupCount=30)
handler.suffix = "%Y%m%d"
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)

def excepthook(exc_type, exc_value, exc_traceback):
    logger.error('Unhandled exception', exc_info=(exc_type, exc_value, exc_traceback))

sys.excepthook = excepthook

XRDriverIPC.set_instance(XRDriverIPC(logger, get_config_dir()))

if GLib.MAJOR_VERSION * 100 + GLib.MINOR_VERSION >= 274:
    APPLICATION_FLAGS = Gio.ApplicationFlags.DEFAULT_FLAGS
else:
    # deprecated after Gio version 2.74
    APPLICATION_FLAGS = Gio.ApplicationFlags.FLAGS_NONE


class BreezydesktopApplication(Adw.Application):
    """The main application singleton class."""

    def __init__(self, version, skip_verification):
        super().__init__(application_id='com.xronlinux.BreezyDesktop',
                         flags=APPLICATION_FLAGS)
        self.version = version

        self.create_action('quit', self.on_quit_action, ['<primary>q'])
        self.create_action('about', self.on_about_action)
        self.create_action('license', self.on_license_action)
        self.create_action('reset_driver', self.on_reset_driver_action)
        self._skip_verification = skip_verification or False

        # always do this on start-up since the driver sometimes fails to update the license on boot,
        # prevent showing a license warning unnecessarily
        XRDriverIPC.get_instance().write_control_flags({'request_features': ['productivity', 'productivity_pro']})

    def do_activate(self):
        """Called when the application is activated.

        We raise the application's main window, creating it if
        necessary.
        """
        win = self.props.active_window
        if not win:
            win = BreezydesktopWindow(self.version, self._skip_verification, application=self)
            win.connect('close-request', lambda *_: self.on_quit_action())
            win.connect('destroy', lambda *_: self.on_quit_action())
        win.present()

    def on_about_action(self, widget, _):
        """Callback for the app.about action."""
        about = Gtk.AboutDialog(transient_for=self.props.active_window,
                                modal=True,
                                program_name='Breezy Desktop',
                                logo_icon_name='com.xronlinux.BreezyDesktop',
                                version=self.version,
                                authors=['Wayne Heaney'],
                                copyright='© 2026 Wayne Heaney',
                                license_type=Gtk.License.GPL_3_0,
                                wrap_license=True)
        about.present()

    def on_license_action(self, widget, _):
        dialog = LicenseDialog()
        dialog.set_transient_for(self.props.active_window)
        dialog.present()

    def on_reset_driver_action(self, widget, _):
        XRDriverIPC.get_instance().reset_driver(as_user=None)

    def create_action(self, name, callback, shortcuts=None):
        """Add an application action.

        Args:
            name: the name of the action
            callback: the function to be called when the action is
              activated
            shortcuts: an optional list of accelerators
        """
        action = Gio.SimpleAction.new(name, None)
        action.connect("activate", callback)
        self.add_action(action)
        if shortcuts:
            self.set_accels_for_action(f"app.{name}", shortcuts)

    def on_quit_action(self, _action = None, _pspec = None):
        win = self.props.active_window
        if win:
            win.close()

        StateManager.destroy_instance()
        ConfigManager.destroy_instance()
        self.quit()


def main(version):
    parser = argparse.ArgumentParser()
    parser.add_argument("-sv", "--skip-verification", action="store_true")
    args = parser.parse_args()

    app = BreezydesktopApplication(version, args.skip_verification)
    return app.run(None)