"""Apps file for plugin app.

This initializes the plugin mechanisms and handles reloading throught the lifecycle.
The main code for plugin special sauce is in the plugin registry in `InvenTree/plugin/registry.py`.
"""

import logging

from django.apps import AppConfig
from django.conf import settings
from django.utils.translation import gettext_lazy as _

from maintenance_mode.core import set_maintenance_mode

from InvenTree.ready import canAppAccessDatabase
from plugin import registry
from plugin.helpers import check_git_version, log_error

logger = logging.getLogger('inventree')


class PluginAppConfig(AppConfig):
    """AppConfig for plugins."""

    name = 'plugin'

    def ready(self):
        """The ready method is extended to initialize plugins."""
        if settings.PLUGINS_ENABLED:
            if not canAppAccessDatabase(allow_test=True, allow_plugins=True):
                logger.info("Skipping plugin loading sequence")  # pragma: no cover
            else:
                logger.info('Loading InvenTree plugins')

                if not registry.is_loading:
                    # this is the first startup
                    try:
                        from common.models import InvenTreeSetting
                        if InvenTreeSetting.get_setting('PLUGIN_ON_STARTUP', create=False, cache=False):
                            # make sure all plugins are installed
                            registry.install_plugin_file()
                    except Exception:  # pragma: no cover
                        pass

                    # get plugins and init them
                    registry.plugin_modules = registry.collect_plugins()
                    registry.load_plugins()

                    # drop out of maintenance
                    # makes sure we did not have an error in reloading and maintenance is still active
                    set_maintenance_mode(False)

            # check git version
            registry.git_is_modern = check_git_version()
            if not registry.git_is_modern:  # pragma: no cover  # simulating old git seems not worth it for coverage
                log_error(_('Your enviroment has an outdated git version. This prevents InvenTree from loading plugin details.'), 'load')

        else:
            logger.info("Plugins not enabled - skipping loading sequence")  # pragma: no cover