import gi

gi.require_version("Gtk", "4.0")
gi.require_version("Adw", "1")
from gi.repository import Adw, Gtk

from .pages.install_mode import InstallModePage
from .pages.partitioning import PartitioningPage
from .pages.storage import StoragePage
from .pages.user import UserPage
from .pages.welcome import WelcomePage


class InstallerWindow(Adw.ApplicationWindow):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.set_default_size(900, 650)
        self.set_title("Iridium Installer")

        self.toolbar_view = Adw.ToolbarView()
        self.set_content(self.toolbar_view)

        # Header Bar (Top)
        self.header_bar = Adw.HeaderBar()
        self.toolbar_view.add_top_bar(self.header_bar)

        # Content Stack
        self.stack = Adw.ViewStack()
        self.stack.set_vexpand(True)
        self.toolbar_view.set_content(self.stack)

        # Navigation Bar (Bottom)
        self.bottom_bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
        self.bottom_bar.add_css_class("toolbar")
        self.bottom_bar.set_margin_top(12)
        self.bottom_bar.set_margin_bottom(12)
        self.bottom_bar.set_margin_start(12)
        self.bottom_bar.set_margin_end(12)
        self.bottom_bar.set_spacing(12)
        self.toolbar_view.add_bottom_bar(self.bottom_bar)

        # Back Button
        self.back_button = Gtk.Button(label="Back")
        self.back_button.connect("clicked", self.on_back_clicked)
        self.back_button.set_sensitive(False)
        self.bottom_bar.append(self.back_button)

        # Spacer to push Next button to the right
        spacer = Gtk.Label()
        spacer.set_hexpand(True)
        self.bottom_bar.append(spacer)

        # Next Button
        self.next_button = Gtk.Button(label="Next")
        self.next_button.add_css_class("suggested-action")
        self.next_button.connect("clicked", self.on_next_clicked)
        self.bottom_bar.append(self.next_button)

        # Page Management
        self.page_ids = []
        self.current_page_index = 0

        # Initialize Pages
        self.welcome_page = WelcomePage()
        self.storage_page = StoragePage()
        self.install_mode_page = InstallModePage()
        self.partitioning_page = PartitioningPage()
        self.user_page = UserPage()

        # Add Pages
        self.add_page(self.welcome_page, "welcome")
        self.add_page(self.storage_page, "storage")
        self.add_page(self.install_mode_page, "install_mode")
        self.add_page(self.partitioning_page, "partitioning")
        self.add_page(self.user_page, "user")

        # Initialize view
        if self.page_ids:
            self.stack.set_visible_child_name(self.page_ids[0])

    def add_page(self, widget, name):
        self.stack.add_named(widget, name)
        self.page_ids.append(name)

    def update_buttons(self):
        # Back button state
        self.back_button.set_sensitive(self.current_page_index > 0)

        # Next button label/state
        if self.current_page_index == len(self.page_ids) - 1:
            self.next_button.set_label("Install")
            self.next_button.add_css_class("destructive-action")
            self.next_button.remove_css_class("suggested-action")
        else:
            self.next_button.set_label("Next")
            self.next_button.remove_css_class("destructive-action")
            self.next_button.add_css_class("suggested-action")

    def on_back_clicked(self, button):
        current_page = self.page_ids[self.current_page_index]
        prev_page = self.page_ids[self.current_page_index - 1]

        if current_page == "user":
            mode = self.install_mode_page.get_mode()
            if mode == "automatic":
                # Skip partitioning
                self.current_page_index = self.page_ids.index("install_mode")
            else:
                self.current_page_index -= 1
        else:
            if self.current_page_index > 0:
                self.current_page_index -= 1

        self.stack.set_visible_child_name(self.page_ids[self.current_page_index])
        self.update_buttons()

    def on_next_clicked(self, button):
        # Logic before transition
        current_page_name = self.page_ids[self.current_page_index]

        if current_page_name == "storage":
            selected_disk = self.storage_page.get_selected_disk()
            if selected_disk:
                self.partitioning_page.load_partitions(selected_disk)

        next_index = self.current_page_index + 1

        if current_page_name == "install_mode":
            mode = self.install_mode_page.get_mode()
            if mode == "automatic":
                # Skip partitioning page
                next_index = self.page_ids.index("user")
            else:
                # Go to partitioning page
                next_index = self.page_ids.index("partitioning")

        if current_page_name == "user":
            print("Install process triggered!")
            print(f"Disk: {self.storage_page.get_selected_disk()}")
            mode = self.install_mode_page.get_mode()
            print(f"Mode: {mode}")
            if mode == "manual":
                print(f"Partitioning: {self.partitioning_page.get_config()}")
            return

        if next_index < len(self.page_ids):
            self.current_page_index = next_index
            self.stack.set_visible_child_name(self.page_ids[self.current_page_index])
            self.update_buttons()