import Foundation

public enum AppConfiguration {
    public static let packageName: String = {
        guard let value = Bundle.main.object(forInfoDictionaryKey: "BasePackageIdentifier") as? String else {
            fatalError("Missing BasePackageIdentifier in Info.plist")
        }
        return value
    }()

    public static let appGroupID: String = {
        guard let value = Bundle.main.object(forInfoDictionaryKey: "AppGroupIdentifier") as? String else {
            fatalError("Missing AppGroupIdentifier in Info.plist")
        }
        return value
    }()

    public static var teamID: String {
        guard let dotIndex = appGroupID.firstIndex(of: ".") else {
            fatalError("Invalid appGroupID format: \(appGroupID)")
        }
        return String(appGroupID[..<dotIndex])
    }

    public static var extensionBundleID: String {
        "\(packageName).extension"
    }

    public static var systemExtensionBundleID: String {
        "\(packageName).system"
    }

    public static var fileProviderDomainID: String {
        "\(packageName).workingdir"
    }

    public static var widgetControlKind: String {
        "\(packageName).widget.ServiceToggle"
    }

    public static var profileUTType: String {
        "\(packageName).profile"
    }

    public static var backgroundTaskID: String {
        "\(packageName).update_profiles"
    }

    public static var iCloudContainerID: String {
        "iCloud.\(packageName)"
    }

    #if os(macOS)
        public static var rootHelperBundleID: String {
            "\(packageName).helper"
        }

        public static var rootHelperMachService: String {
            "\(appGroupID).helper"
        }
    #endif
}