import Foundation
import FSKit

@available(macOS 15.4, *)
public class MarkBaseFSModule: NSObject, FSUnaryFileSystemOperations, @unchecked Sendable {
    
    // MarkBaseFS FSKit Module Entry Point
    // Implements FSUnaryFileSystemOperations protocol
    
    public required override init() {
        super.init()
        print("MarkBaseFSModule initializing...")
    }
    
    // MARK: - FSUnaryFileSystemOperations
    
    public func probeResource(_ resource: FSResource, replyHandler: @escaping (FSProbeResult?, Error?) -> Void) {
        print("MarkBaseFSModule probeResource() called")
        
        // Create probe result
        let result = FSProbeResult()
        result.matchResult = .usable
        
        print("  - Resource probe complete: usable")
        
        replyHandler(result, nil)
    }
    
    public func loadResource(_ resource: FSResource, options: FSTaskOptions, replyHandler: @escaping (FSVolume?, Error?) -> Void) {
        print("MarkBaseFSModule loadResource() called")
        
        // Create Volume.Identifier
        let volumeID = FSVolume.Identifier()
        
        // Create Volume Name
        let volumeName = FSFileName(string: "MarkBaseFS")
        
        // Create Volume (using MarkBaseFSVolumeFSKit)
        let volume = MarkBaseFSVolumeFSKit(volumeID: volumeID, volumeName: volumeName)
        
        print("  - Volume created: \(volumeID.uuid)")
        
        replyHandler(volume, nil)
    }
    
    public func unloadResource(_ resource: FSResource, options: FSTaskOptions, replyHandler: @escaping (Error?) -> Void) {
        print("MarkBaseFSModule unloadResource() called")
        
        print("  - Resource unloaded successfully")
        
        replyHandler(nil)
    }
    
    // MARK: - Optional Methods
    
    public func didFinishLoading() {
        print("MarkBaseFSModule didFinishLoading() called")
        print("  - Module loaded by FSKit daemon")
        print("  - Ready to receive FSKit requests")
    }
}