import Flutter
import UIKit

@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    let result = super.application(application, didFinishLaunchingWithOptions: launchOptions)

    if let controller = window?.rootViewController as? FlutterViewController {
      // 1. Device Hardware Channel
      let deviceChannel = FlutterMethodChannel(
        name: "com.siro.siro_maps/device_hardware",
        binaryMessenger: controller.binaryMessenger
      )
      deviceChannel.setMethodCallHandler { (call, callback) in
        if call.method == "getHardwareInfo" {
          var sysinfo = utsname()
          uname(&sysinfo)
          let machine = withUnsafePointer(to: &sysinfo.machine) {
            $0.withMemoryRebound(to: CChar.self, capacity: 1) { ptr in
              String(validatingUTF8: ptr)
            }
          } ?? UIDevice.current.model

          let vendorId = UIDevice.current.identifierForVendor?.uuidString ?? ""
          let info: [String: String] = [
            "hardwareId": vendorId,
            "brand": "Apple",
            "manufacturer": "Apple",
            "model": machine,
            "device": UIDevice.current.model
          ]
          callback(info)
        } else {
          callback(FlutterMethodNotImplemented)
        }
      }

      // 2. Deep Link Channel
      let deepLinkChannel = FlutterMethodChannel(
        name: "com.siro.siro_maps/deep_link",
        binaryMessenger: controller.binaryMessenger
      )
      deepLinkChannel.setMethodCallHandler { (call, callback) in
        if call.method == "getInitialLink" {
          callback(nil)
        } else {
          callback(FlutterMethodNotImplemented)
        }
      }

      // 3. PiP Channel (Graceful unsupported on iOS)
      let pipChannel = FlutterMethodChannel(
        name: "com.siro.siro_maps/pip",
        binaryMessenger: controller.binaryMessenger
      )
      pipChannel.setMethodCallHandler { (call, callback) in
        switch call.method {
        case "isPipSupported":
          callback(false)
        case "enterPictureInPicture":
          callback(false)
        case "setNavigating":
          callback(true)
        default:
          callback(FlutterMethodNotImplemented)
        }
      }
    }

    return result
  }

  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
  }
}