import braze_react_native_sdk
import BrazeKit
import BrazeLocation
import BrazeUI
import ExpoModulesCore
import SystemConfiguration

public class BrazeAppDelegate: ExpoAppDelegateSubscriber {
  static var braze: Braze? = nil

  public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
    let plistConfig = (Bundle.main.infoDictionary?["Braze"] as? [String: Any]) ?? [:]

    Self.applyInAppMessageSettings(plistConfig)

    let hasCredentials = plistConfig["ApiKey"] is String && plistConfig["Endpoint"] is String

    if hasCredentials {
      // Legacy path: credentials provided at compile time via app.json.
      // Initialize immediately using the plist API key and endpoint.
      let apiKey = plistConfig["ApiKey"] as! String
      let endpoint = plistConfig["Endpoint"] as! String
      let configuration = Braze.Configuration(apiKey: apiKey, endpoint: endpoint)
      Self.applyPlistConfiguration(plistConfig, to: configuration)

      let braze = BrazeReactBridge.perform(
        #selector(BrazeReactBridge.initBraze(_:)),
        with: configuration
      ).takeUnretainedValue() as! Braze
      BrazeAppDelegate.braze = braze
    } else {
      // Credentials provided at runtime via JS Braze.initialize(apiKey, endpoint).
      // Supports Delayed initialization
      BrazeReactInitializer.configure { configuration in
        Self.applyPlistConfiguration(plistConfig, to: configuration)
      } postInitialization: { braze in
        BrazeAppDelegate.braze = braze
      }
    }

    BrazeReactUtils.sharedInstance().populateInitialPayload(fromLaunchOptions: launchOptions)

    return true
  }

  private static func applyPlistConfiguration(_ plistConfig: [String: Any], to configuration: Braze.Configuration) {
    if let sessionTimeout = plistConfig["SessionTimeout"] as? Double {
      configuration.sessionTimeout = sessionTimeout
    }

    if let triggerInterval = plistConfig["TriggerInterval"] as? Double {
      configuration.triggerMinimumTimeInterval = triggerInterval
    }

    if let enableSdkAuthentication = plistConfig["EnableSDKAuth"] as? Bool {
      configuration.api.sdkAuthentication = enableSdkAuthentication
    }

    if let logLevel = plistConfig["LogLevel"] as? Int {
      switch logLevel {
      case 0, 1:
        configuration.logger.level = .debug
      case 2:
        configuration.logger.level = .info
      case 4:
        configuration.logger.level = .error
      default:
        configuration.logger.level = .disabled
      }
    }

    if let enableGeofence = plistConfig["EnableGeofence"] as? Bool {
      if configuration.location.brazeLocationProvider == nil {
        configuration.location.brazeLocationProvider = BrazeLocationProvider()
      }
      configuration.location.geofencesEnabled = enableGeofence
    }

    if let enableAutoLocationCollection = plistConfig["EnableAutomaticLocationCollection"] as? Bool {
      if configuration.location.brazeLocationProvider == nil {
        configuration.location.brazeLocationProvider = BrazeLocationProvider()
      }
      configuration.location.automaticLocationCollection = enableAutoLocationCollection
    }

    if let enableAutoGeofenceRequests = plistConfig["EnableAutomaticGeofenceRequests"] as? Bool {
      if configuration.location.brazeLocationProvider == nil {
        configuration.location.brazeLocationProvider = BrazeLocationProvider()
      }
      configuration.location.automaticGeofenceRequests = enableAutoGeofenceRequests
    }

    configuration.api.addSDKMetadata([.expo])

    if let useBrazePush = plistConfig["UseBrazePush"] as? Bool, useBrazePush {
      configuration.push.automation = true
      configuration.push.automation.requestAuthorizationAtLaunch = false
    }

    if let requestAuthorizationAtLaunch = plistConfig["RequestPushPermissionsAutomatically"] as? Bool,
       requestAuthorizationAtLaunch {
      configuration.push.automation.requestAuthorizationAtLaunch = true
    }

    if let pushStoryAppGroup = plistConfig["BrazePushStoryAppGroup"] as? String {
      configuration.push.appGroup = pushStoryAppGroup
    }

    if let useUUIDAsDeviceId = plistConfig["UseUUIDAsDeviceId"] as? Bool {
      configuration.useUUIDAsDeviceId = useUUIDAsDeviceId
    }

    if let forwardUniversalLinks = plistConfig["ForwardUniversalLinks"] as? Bool {
      configuration.forwardUniversalLinks = forwardUniversalLinks
    }
  }

  private static func applyInAppMessageSettings(_ plistConfig: [String: Any]) {
    if let dismissModalOnOutsideTap = plistConfig["DismissModalOnOutsideTap"] as? Bool {
      BrazeInAppMessageUI.ModalView.Attributes.defaults.dismissOnBackgroundTap = dismissModalOnOutsideTap
      BrazeInAppMessageUI.ModalImageView.Attributes.defaults.dismissOnBackgroundTap = dismissModalOnOutsideTap
      BrazeInAppMessageUI.FullView.Attributes.defaults.dismissOnBackgroundTap = dismissModalOnOutsideTap
      BrazeInAppMessageUI.FullImageView.Attributes.defaults.dismissOnBackgroundTap = dismissModalOnOutsideTap
    }
  }
}