//
//  GuruAdMobInterstitialAd.swift
//  Pods
//
//  Created by 250102 on 2025/5/9.
//
import GoogleMobileAds

class GuruAdMobInterstitialAd : GuruInterstitialAd, GADFullScreenContentDelegate {
    private let viewController: UIViewController
    private let adConfig: AdConfig
    private var ad: GADInterstitialAd?
        
    public init(viewController: UIViewController, adConfig: AdConfig) {
        self.viewController = viewController
        self.adConfig = adConfig
        super.init(engineId: adConfig.engineId, adUnitId: adConfig.adUnitId, adPlatform: AdPlatform.adMob)
    }
    
    override func load() -> Bool {
        logInfo("request load")
        Task { @MainActor in
            do {
                ad?.fullScreenContentDelegate = nil
                ad?.paidEventHandler = nil
                
                let interstitialAd = try await GADInterstitialAd.load(
                    withAdUnitID: adConfig.adUnitId, request: GADRequest())
                interstitialAd.fullScreenContentDelegate = self
                interstitialAd.paidEventHandler = { paidValue in
                    self.logInfo("revenue paid")
                    self.adRevenuePaid(ad: self.createFusionAd(interstitialAd, adValue: paidValue))
                }
                ad = interstitialAd
                logInfo("loaded")
                adLoaded(ad: createFusionAd(interstitialAd))
              } catch {
                  logError("load failed, \(error.code) - \(error.localizedDescription)")
                  adLoadFailed(loadFailedInfo: LoadFailedInfo(engineId: engineId, adPlatform: adPlatform, adType: adType, adUnitId: adUnitId, error: SwiftFusionError(error)))
              }
        }
        return true
    }
    
    override func show(_ request: InterstitialShowRequest? = nil) -> Bool {
        logInfo("request show")
        guard let ad = ad else {
            logWarn("AdMob interstitialAd not ready for show")
            return false
        }
        ad.present(fromRootViewController: viewController)
        return true
    }
    
    override func destroy() -> Bool {
        logInfo("request destroy")
        self.ad?.fullScreenContentDelegate = nil
        self.ad?.paidEventHandler = nil
        self.ad = nil
        return true
    }
    
    func adDidRecordClick(_ ad: any GADFullScreenPresentingAd) {
        adClicked(ad: createFusionAd(self.ad))
    }
    func adDidRecordImpression(_ ad: any GADFullScreenPresentingAd) {
        adDisplayed(ad: createFusionAd(self.ad))
    }
    
    func adDidDismissFullScreenContent(_ ad: any GADFullScreenPresentingAd) {
        adHidden(ad: createFusionAd(self.ad))
    }
    
    func ad(_ ad: any GADFullScreenPresentingAd, didFailToPresentFullScreenContentWithError error: any Error) {
        logError("displayed failed, \(error.code) - \(error.localizedDescription)")
        adDisplayFailed(ad: createFusionAd(self.ad), error: SwiftFusionError(error))
    }
    
    private func createFusionAd(_ interstitialAd: GADInterstitialAd?, adValue: GADAdValue? = nil) -> FusionAd {
        return AdMobFusionAd(engineId: engineId, adType: adType, adUnitId: adUnitId, ad: interstitialAd?.responseInfo, adValue: adValue)
    }
}