// QBZ Slint POC — UI entry point.
//
// Stays thin: imports the feature screens and exports the single
// top-level window. No raw visual constants or domain logic here
// (POC ADR, sections 13 and 21).

import { Theme } from "foundation/semantic-colors.slint";
import { LoginScreen } from "login/LoginScreen.slint";
import { AppShell } from "shell/AppShell.slint";

// Re-export the HomeState global so the Rust layer can populate it.
export { HomeState } from "state.slint";

// Which top-level screen is shown. During M1 the screen switches on a
// login-button click without real authentication; M2 ties the switch
// to a real session.
export enum AppScreen { login, shell }

export component AppWindow inherits Window {
    title: "QBZ";
    preferred-width: 1180px;
    preferred-height: 760px;
    min-width: 940px;
    min-height: 600px;
    background: Theme.surface-main;

    in-out property <AppScreen> screen: AppScreen.login;

    // Forwarded to the Rust layer, which maps them to typed AppCommands.
    callback sign-in-via-browser();
    callback use-system-browser();
    callback start-offline();
    callback open-tos();

    if root.screen == AppScreen.login: LoginScreen {
        sign-in-via-browser => {
            root.sign-in-via-browser();
        }
        use-system-browser => {
            root.use-system-browser();
        }
        start-offline => {
            root.start-offline();
        }
        open-tos => {
            root.open-tos();
        }
    }

    if root.screen == AppScreen.shell: AppShell { }
}