//
//  ProGate.swift
//  SportsTime
//
//  View modifier that gates Pro-only features.
//

import SwiftUI

struct ProGateModifier: ViewModifier {
    let feature: ProFeature

    @State private var showPaywall = false

    func body(content: Content) -> some View {
        content
            .onTapGesture {
                if !StoreManager.shared.isPro {
                    showPaywall = true
                }
            }
            .allowsHitTesting(!StoreManager.shared.isPro ? true : true)
            .overlay {
                if !StoreManager.shared.isPro {
                    Color.clear
                        .contentShape(Rectangle())
                        .onTapGesture {
                            showPaywall = true
                        }
                        .accessibilityLabel("Pro feature locked")
                        .accessibilityHint("Double-tap to view upgrade options")
                }
            }
            .sheet(isPresented: $showPaywall) {
                PaywallView(source: "pro_gate_\(feature.rawValue)")
            }
    }
}

/// Modifier for buttons that should show paywall when tapped by free users
struct ProGateButtonModifier: ViewModifier {
    let feature: ProFeature
    let action: () -> Void

    @State private var showPaywall = false

    func body(content: Content) -> some View {
        Button {
            if StoreManager.shared.isPro {
                action()
            } else {
                showPaywall = true
            }
        } label: {
            content
        }
        .sheet(isPresented: $showPaywall) {
            PaywallView(source: "pro_gate_\(feature.rawValue)")
        }
    }
}

extension View {
    /// Gates entire view - tapping shows paywall if not Pro
    func proGate(feature: ProFeature) -> some View {
        modifier(ProGateModifier(feature: feature))
    }

    /// Gates a button action - shows paywall instead of performing action if not Pro
    func proGateButton(feature: ProFeature, action: @escaping () -> Void) -> some View {
        modifier(ProGateButtonModifier(feature: feature, action: action))
    }
}