// RelayAdEngine.swift
// Base class for all ad engines with state machine
// Corresponds to RelayAdEngine.kt in Android implementation

import Foundation
import UIKit

public struct EventParams {
    public let ad: FusionAd?
    public let reward: FusionReward?
    public let displayFailedInfo: FusionError?
    public let loadFailedInfo: LoadFailedInfo?
    
    public let id: Int
    
    public init(
        ad: FusionAd? = nil,
        reward: FusionReward? = nil,
        displayFailedInfo: FusionError? = nil,
        loadFailedInfo: LoadFailedInfo? = nil,
        id: Int = -1
    ) {
        self.ad = ad
        self.reward = reward
        self.displayFailedInfo = displayFailedInfo
        self.loadFailedInfo = loadFailedInfo
        self.id = id
    }
}

protocol OrientationAware {
    func onOrientationUpdate(orientation: ScreenOrientation)
}

public class RelayAdEngine: StateMachine {
    public let id: Int
    public let adType: AdType
    public var listener: FusionAdListener?
    
    public var supportedAdPlatforms: Set<AdPlatform> {
        fatalError("Subclass must implement")
    }
    
    public init(viewController: UIViewController, id: Int, adType: AdType, strategyName: String) {
        self.id = id
        self.adType = adType
        super.init(name: "\(adType.name)-\(strategyName)-\(id)")
    }
    
    // MARK: - Logging Methods
    
    public func logDebug(_ message: String) {
        Logger.d(tag: name, message: message)
    }
    
    public func logInfo(_ message: String) {
        Logger.i(tag: name, message: message)
    }
    
    public func logWarn(_ message: String) {
        Logger.w(tag: name, message: message)
    }
    
    public func logError(_ message: String) {
        Logger.e(tag: name, message: message)
    }
    
    // MARK: - Listener Callback Methods
    
    public func adLoaded(ad: FusionAd) {
        listener?.onAdLoaded(ad: ad)
    }
    
    public func adDisplayed(ad: FusionAd) {
        listener?.onAdDisplayed(ad: ad)
    }
    
    public func adHidden(ad: FusionAd) {
        listener?.onAdHidden(ad: ad)
    }
    
    public func adClicked(ad: FusionAd) {
        listener?.onAdClicked(ad: ad)
    }
    
    public func adLoadFailed(loadFailedInfo: LoadFailedInfo) {
        listener?.onAdLoadFailed(loadFailedInfo: loadFailedInfo)
    }
    
    public func adDisplayFailed(ad: FusionAd, error: FusionError?) {
        listener?.onAdDisplayFailed(ad: ad, error: error)
    }
    
    public func adRevenuePaid(ad: FusionAd) {
        listener?.onAdRevenuePaid(ad: ad)
    }
    
    public func adUserRewarded(ad: FusionAd, reward: FusionReward?) {
        listener?.onUserRewarded(ad: ad, reward: reward)
    }
}