import Foundation

// 🤖 The app side of the share extension's handoff: shared images/videos wait
// in the app-group inbox until the app activates, shows the chat picker, and
// stages them into the chosen chat's composer (where they encrypt + upload
// exactly like a picked photo). Files are deleted once staged.
enum ShareInbox {
    static let appGroup = "group.com.elevenmessenger.messenger"

    static var inboxURL: URL? {
        FileManager.default
            .containerURL(forSecurityApplicationGroupIdentifier: appGroup)?
            .appendingPathComponent("share-inbox", isDirectory: true)
    }

    /// Waiting shared files (oldest first), empty when there's nothing.
    static func pending() -> [URL] {
        guard let dir = inboxURL,
              let files = try? FileManager.default.contentsOfDirectory(
                  at: dir, includingPropertiesForKeys: [.creationDateKey]) else { return [] }
        return files.sorted { a, b in
            let da = (try? a.resourceValues(forKeys: [.creationDateKey]).creationDate) ?? .distantPast
            let db = (try? b.resourceValues(forKeys: [.creationDateKey]).creationDate) ?? .distantPast
            return da < db
        }
    }

    static func clear(_ urls: [URL]) {
        for url in urls { try? FileManager.default.removeItem(at: url) }
    }
}