import SwiftUI

struct RootView: View {
    @EnvironmentObject private var subscriptions: SubscriptionManager
    let session: AppSessionState
    @Bindable var splashViewModel: SplashViewModel

    var body: some View {
        ZStack {
            FrontPageView(session: session)

            if splashViewModel.isVisible {
                SplashScreenView(viewModel: splashViewModel)
                    .transition(.opacity)
                    .zIndex(1)
            }
        }
        .animation(.easeInOut(duration: 0.45), value: splashViewModel.isVisible)
        .task {
            async let splash: Void = splashViewModel.runIfNeeded()
            async let entitlements: Void = subscriptions.ensureEntitlementsResolved()
            _ = await (splash, entitlements)
            syncToolSubscriptionState()
        }
    }

    private func syncToolSubscriptionState() {
        let hasPremium = subscriptions.hasPremiumAccess
        let hasEverPurchased = subscriptions.hasEverPurchasedPremium
        session.postGenerator.setSubscriptionState(
            hasPremiumAccess: hasPremium,
            hasEverPurchasedPremium: hasEverPurchased
        )
        session.titleOptimizer.setSubscriptionState(
            hasPremiumAccess: hasPremium,
            hasEverPurchasedPremium: hasEverPurchased
        )
        session.commentWriter.setSubscriptionState(
            hasPremiumAccess: hasPremium,
            hasEverPurchasedPremium: hasEverPurchased
        )
    }
}