import Foundation

enum PaywallPlan: String, CaseIterable, Identifiable {
    case monthly
    case yearly
    case lifetime

    var id: String { rawValue }

    var title: String {
        switch self {
        case .monthly: "Monthly"
        case .yearly: "Yearly"
        case .lifetime: "Lifetime"
        }
    }

    var subtitle: String {
        switch self {
        case .monthly: "Billed every month"
        case .yearly: "Save 42%. Billed once per year."
        case .lifetime: "One-time payment. All future updates."
        }
    }

    var productID: String {
        switch self {
        case .monthly: SubscriptionProductID.monthly
        case .yearly: SubscriptionProductID.yearly
        case .lifetime: SubscriptionProductID.lifetime
        }
    }

    var fallbackMainPrice: String {
        switch self {
        case .monthly: "$7.99"
        case .yearly: "$49.99"
        case .lifetime: "$79.99"
        }
    }

    var price: String { fallbackMainPrice }

    var priceSuffix: String? {
        switch self {
        case .monthly: "/mo"
        case .yearly: "/yr"
        case .lifetime: nil
        }
    }

    var ctaTitle: String {
        switch self {
        case .monthly: "Get Premium"
        case .yearly: "Get Premium"
        case .lifetime: "Unlock Lifetime"
        }
    }

    var fallbackBillingDescription: String {
        switch self {
        case .monthly:
            return "Billed at \(fallbackMainPrice) every month"
        case .yearly:
            return "Billed at \(fallbackMainPrice) every year"
        case .lifetime:
            return "One-time payment of \(fallbackMainPrice)"
        }
    }

    var isBestValue: Bool {
        self == .lifetime
    }

    var features: [String] {
        [
            "Unlimited AI Generations",
            "Post Generator & Title Optimizer",
            "Comment Writer with smart replies",
        ]
    }
}

struct PaywallFeature: Identifiable {
    let id = UUID()
    let title: String
    let systemImage: String
}

enum PaywallContent {
    static let title = "Unlock Full Pro Power"
    static let subtitle = "Generate unlimited posts, optimize titles, and craft smarter replies with advanced AI."

    static let includedSectionTitle = "Everything included in Premium"

    static let features: [PaywallFeature] = [
        PaywallFeature(title: "Unlimited AI Generations", systemImage: "sparkles"),
        PaywallFeature(title: "Post Generator", systemImage: "square.and.pencil"),
        PaywallFeature(title: "Title Optimizer", systemImage: "textformat.size"),
        PaywallFeature(title: "Comment Writer", systemImage: "bubble.left.and.bubble.right.fill"),
        PaywallFeature(title: "Custom AI Prompts", systemImage: "wand.and.stars"),
        PaywallFeature(title: "Post Analytics", systemImage: "chart.bar.fill"),
    ]

    static let continueWithFreePlan = "Continue with free plan"
    static let restorePurchases = "Restore Purchases"
    static let privacyPolicy = "Privacy Policy"
    static let support = "Support"
    static let termsOfService = "Terms of Services"
}