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import Foundation
enum FeatureTier: String, Codable, CaseIterable, Identifiable {
case free
case pro
case dataPlus
var id: String { rawValue }
var title: String {
switch self {
case .free:
return "Free"
case .pro:
return "Pro"
case .dataPlus:
return "Data+"
}
}
}
enum FeatureCapability: String, CaseIterable, Identifiable {
case singleLookup
case basicHistory
case limitedTracking
case workflows
case batchOperations
case advancedExports
case ownershipHistory
case dnsHistory
case extendedSubdomains
var id: String { rawValue }
var title: String {
switch self {
case .singleLookup:
return "Single lookup"
case .basicHistory:
return "Basic history"
case .limitedTracking:
return "Limited tracking"
case .workflows:
return "Workflows"
case .batchOperations:
return "Batch operations"
case .advancedExports:
return "Advanced exports"
case .ownershipHistory:
return "Ownership history"
case .dnsHistory:
return "DNS history"
case .extendedSubdomains:
return "Extended subdomains"
}
}
}
struct FeatureEntitlements: Equatable {
let tier: FeatureTier
let capabilities: Set<FeatureCapability>
let trackedDomainLimit: Int
let workflowLimit: Int?
let batchSizeLimit: Int?
}
enum FeatureAccessService {
static let currentTier: FeatureTier = .free
static var entitlements: FeatureEntitlements {
switch currentTier {
case .free:
return FeatureEntitlements(
tier: .free,
capabilities: [.singleLookup, .basicHistory, .limitedTracking],
trackedDomainLimit: 3,
workflowLimit: 0,
batchSizeLimit: 0
)
case .pro:
return FeatureEntitlements(
tier: .pro,
capabilities: [.singleLookup, .basicHistory, .limitedTracking, .workflows, .batchOperations, .advancedExports],
trackedDomainLimit: 250,
workflowLimit: 50,
batchSizeLimit: 100
)
case .dataPlus:
return FeatureEntitlements(
tier: .dataPlus,
capabilities: Set(FeatureCapability.allCases),
trackedDomainLimit: 1_000,
workflowLimit: 200,
batchSizeLimit: 250
)
}
}
static func hasAccess(to capability: FeatureCapability) -> Bool {
entitlements.capabilities.contains(capability)
}
static func canAddTrackedDomain(currentCount: Int) -> Bool {
currentCount < entitlements.trackedDomainLimit
}
static func trackedDomainLimitMessage(currentCount: Int) -> String? {
guard currentTier == .free else { return nil }
return currentCount >= entitlements.trackedDomainLimit
? "Free includes up to \(entitlements.trackedDomainLimit) tracked domains."
: "Free includes up to \(entitlements.trackedDomainLimit) tracked domains."
}
static func canCreateWorkflow(currentCount: Int) -> Bool {
guard hasAccess(to: .workflows) else { return false }
guard let limit = entitlements.workflowLimit else { return true }
return currentCount < limit
}
static func canRunBatch(domainCount: Int) -> Bool {
guard hasAccess(to: .batchOperations) else { return false }
guard let limit = entitlements.batchSizeLimit else { return true }
return domainCount <= limit
}
static func upgradeMessage(for capability: FeatureCapability) -> String {
switch capability {
case .workflows, .batchOperations, .advancedExports:
return "Available in Pro"
case .ownershipHistory, .dnsHistory, .extendedSubdomains:
return "Available in Data+"
case .limitedTracking:
return "Tracking is limited on Free"
case .singleLookup, .basicHistory:
return "Included in Free"
}
}
static func workflowLimitMessage(currentCount: Int) -> String? {
guard hasAccess(to: .workflows) else {
return upgradeMessage(for: .workflows)
}
guard let limit = entitlements.workflowLimit, currentCount >= limit else { return nil }
return "Workflow limit reached."
}
static func batchLimitMessage(domainCount: Int) -> String? {
guard hasAccess(to: .batchOperations) else {
return upgradeMessage(for: .batchOperations)
}
guard let limit = entitlements.batchSizeLimit, domainCount > limit else { return nil }
return "Batch limit is \(limit) domains on \(currentTier.title)."
}
static func enabledFeatureLabels() -> [String] {
FeatureCapability.allCases
.filter { hasAccess(to: $0) }
.map(\.title)
}
}
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