//
//  OnboardWindow.swift
//
//  Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//

import LuminateCore
import Portico

/// The root view for the unauthenticated onboarding window.
///
/// Hosts a `NavigationView` rooted at ``IntroPage``, with every later step (server setup, then the
/// `.login`-rooted stack: public-user picker, manual sign-in, Quick Connect, forgot password)
/// pushed as an ``OnboardDestination``. Owns the single `onboardPath` state and injects it through
/// `\.onboardPath` so every pushed page can push further without re-threading a binding down the
/// view tree.
package struct OnboardWindow: View {
    @State private var onboardPath: [OnboardDestination]

    /// Creates the onboarding window.
    ///
    /// - Parameter path: The destinations to push above the server-setup carousel at mount. Pass
    ///   `[.login]` when a server URL is already stored so a returning user does not retype it.
    package init(startingAt path: [OnboardDestination] = []) {
        _onboardPath = State(wrappedValue: path)
    }

    package var body: some View {
        NavigationView(path: $onboardPath) {
            IntroPage()
                .navigationDestination(for: OnboardDestination.self) { destination in
                    switch destination {
                    case .setup: SetupPage()
                    case .login: LoginPage()
                    case .userLogin(let user): UserLoginPage(user)
                    case .manualLogin: ManualLoginPage()
                    case .quickConnect: QuickConnectPage()
                    case .forgotPassword: ForgotPasswordPage()
                    }
                }
        }
        .environment(\.onboardPath, $onboardPath)
    }
}