import sys

from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication

from bauh import __version__, __app_name__, app_args, ROOT_DIR
from bauh.api.abstract.controller import ApplicationContext
from bauh.api.http import HttpClient
from bauh.view.core import gems, config
from bauh.view.core.controller import GenericSoftwareManager
from bauh.view.util import util, logs, resource
from bauh.view.qt.systray import TrayIcon
from bauh.view.qt.window import ManageWindow
from bauh.view.util.cache import CacheCleaner, DefaultMemoryCacheFactory
from bauh.view.util.disk import DefaultDiskCacheLoaderFactory


def main():
    args = app_args.read()
    logger = logs.new_logger(__app_name__, bool(args.logs))
    app_args.validate(args, logger)

    i18n = util.get_locale_keys(args.locale)

    cache_cleaner = CacheCleaner()
    cache_factory = DefaultMemoryCacheFactory(expiration_time=args.cache_exp, cleaner=cache_cleaner)
    icon_cache = cache_factory.new(args.icon_exp)

    context = ApplicationContext(i18n=i18n,
                                 http_client=HttpClient(logger),
                                 disk_cache=args.disk_cache,
                                 download_icons=args.download_icons,
                                 app_root_dir=ROOT_DIR,
                                 cache_factory=cache_factory,
                                 disk_loader_factory=DefaultDiskCacheLoaderFactory(disk_cache_enabled=args.disk_cache, logger=logger),
                                 logger=logger)
    user_config = config.read()

    app = QApplication(sys.argv)
    app.setApplicationName(__app_name__)
    app.setApplicationVersion(__version__)
    app.setWindowIcon(QIcon(resource.get_path('img/logo.svg')))

    if user_config.style:
        app.setStyle(user_config.style)
    else:
        if app.style().objectName().lower() not in {'fusion', 'breeze'}:
            app.setStyle('Fusion')

    managers = gems.load_managers(context=context, locale=args.locale, enabled_gems=user_config.enabled_gems if user_config.enabled_gems else None)

    manager = GenericSoftwareManager(managers, context=context, app_args=args)
    manager.prepare()

    manage_window = ManageWindow(i18n=i18n,
                                 manager=manager,
                                 icon_cache=icon_cache,
                                 disk_cache=args.disk_cache,
                                 download_icons=bool(args.download_icons),
                                 screen_size=app.primaryScreen().size(),
                                 suggestions=args.sugs,
                                 display_limit=args.max_displayed,
                                 config=user_config,
                                 context=context)

    if args.tray:
        tray_icon = TrayIcon(locale_keys=i18n,
                             manager=manager,
                             manage_window=manage_window,
                             check_interval=args.check_interval,
                             update_notification=bool(args.update_notification),)
        manage_window.set_tray_icon(tray_icon)
        tray_icon.show()

        if args.show_panel:
            tray_icon.show_manage_window()
    else:
        manage_window.refresh_apps()
        manage_window.show()

    cache_cleaner.start()

    sys.exit(app.exec_())