from PySide6 import QtWidgets
from PySide6.QtCore import QSize, Qt
from PySide6.QtWidgets import QLineEdit, QPushButton, QWidget, QVBoxLayout, QListWidget, QToolBar, QDialogButtonBox, QRadioButton, QGroupBox, QDialog, QVBoxLayout, QLabel, QHBoxLayout
from PySide6.QtGui import QIcon, QAction
import darkdetect
from core.scraping.uztracker_scraper import scrape_uztracker
from core.scraping.uztracker_scraper import get_magnet_link
from core.downloading.download import start_client
from core.downloading.download import add_magnet


def state_debug(setting):
    global debug
    if setting is True:
        debug = True
    else:
        debug = False
class MainWindow(QtWidgets.QMainWindow, QWidget):
    def __init__(self):
        global settings_action
        super().__init__()
        searchresults = []

        self.setWindowTitle("Software Manager")
        self.setGeometry(100, 100, 800, 600)

        self.controls = QWidget()
        self.controlsLayout = QVBoxLayout()

        # Widgets
        self.searchbar = QLineEdit()
        self.searchbar.setPlaceholderText("Search for software...")
        self.searchbar.setClearButtonEnabled(True)
        self.searchbar.setMinimumHeight(30)
        self.searchbar.returnPressed.connect(self.return_pressed)

        self.button = QtWidgets.QPushButton("Download")
        self.softwareList = QListWidget()

        container = QWidget()
        containerLayout = QVBoxLayout()
        containerLayout.addWidget(self.searchbar)
        
        containerLayout.addWidget(self.softwareList)
        self.softwareList.addItems(searchresults)

        containerLayout.addWidget(self.button)
        self.button.clicked.connect(lambda: self.download_selected())
        self.button.clicked.connect(lambda: self.get_selected_item())

        container.setLayout(containerLayout)
        self.setCentralWidget(container)

        containerLayout.setAlignment(Qt.AlignmentFlag.AlignBottom)

        toolbar = QToolBar("Main Toolbar")
        self.addToolBar(toolbar)
        toolbar.setLayoutDirection(Qt.RightToLeft)
        
        if darkdetect.isDark():
            settings_action = QAction(QIcon("core/assets/settings_dark.png"), "Settings", self)
        else:
            settings_action = QAction(QIcon("core/assets/settings.png"), "Settings", self)

        settings_action.triggered.connect(self.settings_dialog)
        toolbar.addAction(settings_action)

        toolbar.setMovable(False)

    def settings_dialog(self):
        if debug:
            print("Settings dialog opened")
        dialog = QDialog(self)
        dialog.setWindowTitle("Settings")
        dialog.setFixedSize(400, 300)


        dialog.setLayout(QVBoxLayout())
        label = QLabel("This is a settings dialog.")
        QtWidgets.QPushButton("Close", clicked=dialog.close)
        # close button
        dialog.layout().addWidget(label)
        dialog.layout().addWidget(QtWidgets.QPushButton("Close", clicked=dialog.close))

        layout = QHBoxLayout()

        save_btn = QPushButton("Save")
        cancel_btn = QPushButton("Cancel")
        save_btn.clicked.connect(self.save_settings)
        cancel_btn.clicked.connect(dialog.reject)
        layout.addWidget(save_btn)
        layout.addWidget(cancel_btn)
        layout.addLayout(layout)

        self.setLayout(QVBoxLayout())
        layout.addLayout(layout)
        dialog.layout().addLayout(layout)

        
        dialog.exec()

    def save_settings(self):
        pass


    def download_selected(self):
        item = self.softwareList.currentItem()
        if item is not None:
            if debug:
                print(f"Downloading {self.softwareList.currentItem().text()}")
            self.get_item_index(self.softwareList.currentItem().text(), self.postnames, self.postlinks)
        else:
            if debug:
                print("No item selected for download.")
            # add gui notification for no item selected


    def get_selected_item(self):
        item = self.softwareList.currentItem()
        if item is not None:
            return item.text()
        return ""
    
    

    def return_pressed(self):
        search_text = self.searchbar.text()
        self.postnames, self.postlinks = scrape_uztracker(search_text, debug)
        self.softwareList.clear()
        if self.postnames:
            self.softwareList.addItems(self.postnames)
        if debug:
            print("User searched for:", search_text)


    def get_item_index(self, item, list, listlinks):
        position = list.index(item)
        if 0 <= position < len(listlinks): # note for myself: py starts counting at 0; check if number is not negative, check if number is not more than list length.
            selected = "https://uztracker.net/" + listlinks[position].lstrip("./")
            post_url = selected
            if debug:
                print("Selected URL: ", selected)
            selected_magnet = get_magnet_link(selected, debug)
            start_client()
            add_magnet(selected_magnet)