import Foundation

/// Parses the ISO-8601 timestamps Atomenta sends (`2026-04-16T12:00:00.000Z`, with
/// milliseconds). `LCEssentials.API`'s internal `JSONDecoder` uses the default
/// (`.deferredToDate`, numeric epoch) strategy, so `Date` fields on wire models
/// decode the raw string manually instead of relying on `Decodable`'s default
/// date handling.
enum FeatureControlDateParsing {
    static func parse(_ string: String) -> Date? {
        let withFractional = ISO8601DateFormatter()
        withFractional.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
        if let date = withFractional.date(from: string) { return date }

        let plain = ISO8601DateFormatter()
        plain.formatOptions = [.withInternetDateTime]
        return plain.date(from: string)
    }
}