import logging

from PyQt5.QtCore import Qt

from ArtNet.gui.windows.browser.picture_browser import Ui_MainWindow
from ArtNet.gui.windows.artnet_mainwindow import ArtnetMainWindow

from ArtNet.gui.dialogs.image_info_dialog.image_dialog import ArtInfoDialog


class BrowseWindow(ArtnetMainWindow):

    UNKNOWN_TITLE = "-Title Unknown-"
    UNKNOWN_PRESENCE = "(Not in Database)"

    def __init__(self, main):
        super().__init__(main)

        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)

        self.__showing_search_param_frame: bool = True
        self.__showing_detail_frame: bool = True

        self.curr_art_id: int = None
        self.curr_image_title: str = None
        self.curr_link: str = None
        self.curr_art_path: str = None
        self.curr_file_name: str = None
        self.curr_presences: list = list()
        self.curr_tags: list = list()
        self.curr_imply_tags: list = list()
        self.curr_tag_aliases: list = list()

        # callbacks
        # action
        self.ui.actionArtNet_Importer.triggered.connect(self.on_importer_clicked)
        # buttons
        self.ui.toggle_search_frame_button.clicked.connect(self.on_toggle_search_frame_clicked)
        self.ui.toggle_detail_frame_button.clicked.connect(self.on_toggle_detail_frame_clicked)
        self.ui.image_info_button.clicked.connect(self.on_image_info_clicked)

    def display_image(self, image_title: str, image_authors: list, full_path: str, relative_path: str, art_ID: int,
                      link: str, file_name: str, description: str):
        """
        Display the described image in the GraphicsView
        """
        logging.debug(f"Asked browser to display image ID:\"{art_ID}\", title:\"{image_title}\", path:\"{full_path}\"")
        self.set_presences(image_authors)

    def set_tag_list(self, tags: list, set_checked: bool = True, no_implication: bool = False):
        pass  # TODO to implement

    def set_presences(self, presences: list):
        """
        Set the presences for this window
        """
        if len(presences) > 1:
            for name, domain in presences:
                if domain == BrowseWindow.UNKNOWN_PRESENCE:
                    presences.remove((name, domain))
        elif len(presences) == 0:
            presences = [(self.curr_art_path.split("/")[0], BrowseWindow.UNKNOWN_PRESENCE)]
        self.curr_presences = presences

        self.data_changed = True

    def convert_presences_to_text(self, presences: list) -> str:
        """
        Prepares the presence variable to be printed as a label.
        """
        s = ""
        for name, domain in presences:
            full_data = self.get_presence(name, domain)
            if full_data is None:
                link = ""
            else:
                name, domain, _, link = full_data[0]
            text = name + ":" + domain
            if link is None or len(link) == 0:  # no link, then just do plain text
                hyperlink = text
            else:
                hyperlink = "<a href=\"{0}\">{1}</a>".format(link, text)

            s += hyperlink
            s += "|"

        s = s[:-1]
        return s

    # callback methods

    def on_importer_clicked(self):
        logging.debug("Clicked on open ArtNet importer!")
        self.main.switch_to_importer()

    def on_toggle_search_frame_clicked(self):
        logging.debug("Clicked on button to toggle the search frame!")

        if self.__showing_search_param_frame:
            logging.debug("Hiding search param frame")
            self.ui.search_param_frame.hide()
            self.__showing_search_param_frame = False
            self.ui.toggle_search_frame_button.setArrowType(Qt.RightArrow)
        else:
            logging.debug("Showing search param frame")
            self.ui.search_param_frame.show()
            self.__showing_search_param_frame = True
            self.ui.toggle_search_frame_button.setArrowType(Qt.LeftArrow)

    def on_toggle_detail_frame_clicked(self):
        logging.debug("Clicked on button to toggle the detail frame!")

        if self.__showing_detail_frame:
            logging.debug("Hiding detail frame")
            self.ui.bottom_frame.hide()
            self.__showing_detail_frame = False
            self.ui.toggle_detail_frame_button.setArrowType(Qt.DownArrow)
        else:
            logging.debug("Showing detail frame")
            self.ui.bottom_frame.show()
            self.__showing_detail_frame = True
            self.ui.toggle_detail_frame_button.setArrowType(Qt.UpArrow)

    def on_image_info_clicked(self):
        logging.debug("Clicked on button to show image info!")
        if self.main.curr_image_index is not None:
            dialog = ArtInfoDialog(self)
            #dialog.set_image_info()  # TODO see image_info_dialog/
            dialog.exec_()
        else:
            pass