from functools import partial
from typing import Optional, Callable

import rio
from from_root import from_root
from rio import Component, Row, Rectangle, Text, Color, Spacer, PointerEventListener, Column, Image, TextStyle, Icon, PointerEvent, EventHandler

from elm.services import ConfigurationService


class NavigationButton(Component):
    icon: str
    text: str
    target_url: str
    extension_state_changed: Optional[Callable]
    new_tab: bool = False
    current_rectangle_fill_color = Color.TRANSPARENT
    current_text_fill_color = Color.from_hex("b9ccb2")
    COLOR_ACTIVE_RECTANGLE = Color.from_hex("4EFBE5")
    COLOR_ACTIVE_TEXT = Color.from_hex("4EFBE5")
    COLOR_INACTIVE_RECTANGLE = Color.TRANSPARENT
    COLOR_INACTIVE_TEXT = Color.from_hex("b9ccb2")

    async def on_pointer_enter(self, _: PointerEvent) -> None:
        self.current_rectangle_fill_color = self.COLOR_ACTIVE_RECTANGLE
        self.current_text_fill_color = self.COLOR_ACTIVE_TEXT
        self.force_refresh()

    async def on_pointer_leave(self, _: PointerEvent) -> None:
        self.current_rectangle_fill_color = self.COLOR_INACTIVE_RECTANGLE
        self.current_text_fill_color = self.COLOR_INACTIVE_TEXT
        self.force_refresh()

    async def on_press(self, _: PointerEvent) -> None:
        if self.new_tab:
            self.session.open_url_in_browser(self.target_url)
        else:
            self.session.navigate_to(self.target_url)

        if self.extension_state_changed is not None:
            await self.extension_state_changed(None)


    def is_active(self) -> bool:
        return self.session.active_page_url.path == self.target_url

    def build(self) -> Component:
        return PointerEventListener(
            Rectangle(
                content=Row(
                    Rectangle(fill=self.COLOR_ACTIVE_RECTANGLE if self.is_active() else self.current_rectangle_fill_color, min_width=0.3, margin_right=1.7, transition_time=0.2),
                    Icon(
                        self.icon,
                        min_width=1.9,
                        min_height=1.9,
                        fill=self.COLOR_ACTIVE_TEXT if self.is_active() else self.current_text_fill_color
                    ),
                    Text(
                        self.text,
                        style=TextStyle(fill=self.COLOR_ACTIVE_TEXT if self.is_active() else self.current_text_fill_color, font_weight="normal", font_size=1.1),
                        margin_left=1,
                        margin_top=1.3,
                        margin_bottom=1.3,
                        grow_x=True,
                        selectable=False
                    ),
                ),
                hover_shadow_radius=1,
                hover_shadow_color=self.session.theme.primary_color_darker ,
                hover_fill=self.session.theme.primary_color_darker ,
                corner_radius=0.1,
                cursor="pointer",
                transition_time=0.2
            ),
            on_pointer_enter=self.on_pointer_enter,
            on_pointer_leave=self.on_pointer_leave,
            on_press=self.on_press
        )


class NavigationBar(Component):
    extension_state_changed: EventHandler[bool]
    is_extended: bool = False

    async def on_extension_pressed(self, _: PointerEvent) -> None:
        if self.session.is_mobile():
            self.is_extended = not self.is_extended
            await self.call_event_handler(partial(self.extension_state_changed, self.is_extended))
            self.force_refresh()

    def build(self) -> Component:
        navigation = Column(
            Column(
                NavigationButton("material/house", "Startseite", "/", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/local_activity", "Tickets", "/tickets", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/chair_alt", "Sitzplan", "/seating", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/group", "Teilnehmer", "/participants", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/local_dining", "Catering", "/catering", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/trophy", "Turniere", "/tournaments", extension_state_changed=self.on_extension_pressed),
                margin_bottom=6
            ),
            Column(
                NavigationButton("material/help", "FAQ", "/faq", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/contact_page", "Kontakt", "mailto:tech@ezgg-ev.de?subject=Kontaktanfrage", new_tab=True, extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/sports_bar", "EZ GG e.V.", "https://ezgg-ev.de", new_tab=True, extension_state_changed=None),
                NavigationButton("material/article", "Impressum", "/imprint", extension_state_changed=self.on_extension_pressed),
                NavigationButton("material/balance", "Regeln & AGB", "/rules", extension_state_changed=self.on_extension_pressed),
            ),
            Spacer(),
            Text(f"ELM v{self.session[ConfigurationService].APP_VERSION}", font_size=0.5, fill=self.session.theme.primary_color_darker),
            margin=1
        )

        if self.session.is_mobile():
            return Rectangle(
                content=Column(
                    Row(
                        PointerEventListener(
                            Rectangle(
                                content=Icon("material/keyboard_double_arrow_left" if self.is_extended else "material/view_headline"),
                                cursor="pointer",
                                margin=0.5,
                                min_height=1.5,
                                min_width=1.5
                            ),
                            on_press=self.on_extension_pressed
                        ),
                        Spacer()
                    ),
                    Spacer() if not self.is_extended else navigation,
                    Spacer()
                ),
                fill=self.session.theme.box_color,
                stroke_width=0.1,
                stroke_color=self.session.theme.box_border_color,
                min_width=self.session.screen_width if self.is_extended else 2
            )
        else:  # Tablet % Desktop
            return Rectangle(
                content=navigation,
                fill=self.session.theme.box_color,
                stroke_width=0.1,
                stroke_color=self.session.theme.box_border_color,
                min_width=20
            )