import os.path
from typing import Optional

from PySide6.QtWidgets import QMessageBox

from src.pluginregistry import PluginRegistry
from src.plugins.domain.menucontribution import MenuContribution
from src.plugins.domain.raction import RAction
from src.plugins.logfile.fulltabwidget import FullTabWidget
from src.ui.bigtext.logFileModel import LogFileModel
from src.pluginbase import PluginBase
from src.plugins.krowlog.Tab import Tab
from src.settings.settings import Settings

from src.i18n import _
from src.ui.bigtext.newhighlightingdialog import NewHighlightingDialog


class LogFilePlugin(PluginBase):
    def __init__(self):
        super(LogFilePlugin, self).__init__()
        self.settings = None

    def set_settings(self, settings: Settings):
        self.settings = settings

    def get_menu_contributions(self) -> [MenuContribution]:
        return [
            MenuContribution("settings", action=self._action_highlighter(), action_id="new highlighter",
                             after="<last>"),
        ]

    def _action_highlighter(self):
        manage = RAction(
            _("&Highlighter"),
            action=lambda: NewHighlightingDialog(self.settings).exec(),
            shortcut='Ctrl+H'
        )
        return manage

    def create_tab(self, file: str) -> Optional[Tab]:
        if not os.path.isfile(file):
            message = QMessageBox(QMessageBox.Icon.Warning, _("File not found"),
                                  _("'{0}' is not a file or cannot be opened").format(file))
            message.exec()
            return None

        realpath = os.path.realpath(file)
        filename = os.path.basename(realpath)

        model = LogFileModel(file, self.settings)
        tab = FullTabWidget(model, unique_id=realpath, title=filename,
                            zoned_plugin_registry=PluginRegistry.create_zoned_plugin_registry())

        return tab

    def saved_queries(self) -> [str]:
        saved_queries = self.settings.get_session("general", "saved_queries", "").splitlines()
        if "" in saved_queries:
            saved_queries.remove("")
        saved_queries.sort()
        return saved_queries

    def save_query(self, query: str):
        saved_queries = self.settings.get_session("general", "saved_queries", "").splitlines()
        if "" in saved_queries:
            saved_queries.remove("")
        if not query in saved_queries:
            saved_queries.append(query)
        self.settings.set_session("general", "saved_queries", "\n".join(saved_queries))