from textual.app import App, ComposeResult
from textual.events import Event
from textual.widgets import Header, Footer, ListView, ListItem, Label, Static, Button
from textual.containers import Container, Horizontal
from textual.screen import Screen
import pathlib
import particles as pt

class Composition():
    def __init__(self, screen: Screen, atom):
        self.screen = screen
        self.atom = atom
    def compose(self):
        yield Label("示例标签", id="testlabel")
        yield Button("示例按钮", id="testbtn")
    def handler(self, event):
        print(event.button.id)
        self.screen.query_one("#testlabel", Label).update("hi")

class Recognition(Composition):
    def __init__(self, screen: Screen, atom):
        pass

# TEST

class TestScreen(Screen):
    def __init__(self):
        super().__init__(name=None, id=None, classes=None)
        self.comp = Composition(self, pt.Atom.advanced_placeholder())    
    def compose(self) -> ComposeResult:
        yield Header(show_clock=True)
        yield from self.comp.compose()
        yield Footer()
    def on_mount(self) -> None:
        pass

    def on_button_pressed(self, event: Event) -> None:
        self.comp.handler(event)

    def action_quit_app(self) -> None:
        self.app.exit()

class AppLauncher(App):
    CSS_PATH = "styles.tcss"
    TITLE = '测试布局'
    BINDINGS = [("escape", "quit", "退出"), ("d", "toggle_dark", "改变色调")]
    SCREENS = {
        "testscreen": TestScreen,
    }

    def on_mount(self) -> None:
        self.action_toggle_dark()
        self.push_screen("testscreen")

if __name__ == "__main__":
    app = AppLauncher()
    app.run()