Unity Ad Monetization Guide using Unity LevelPlay: Rewarded Ads & Network Mediation (Part 2)

using System;
using UnityEngine;
using com.unity3d.mediation;

public class LevelPlayRewardedManager : MonoBehaviour
{
    [Header("Rewarded Ad Unit ID")]
    [SerializeField] private string rewardedAdUnitId = "Rewarded_Android";

    private LevelPlayRewardedAd rewardedAd;

    private void Start()
    {
        // Register for LevelPlay Init Complete event
        LevelPlay.OnInitSuccess += (config) => SetupRewardedAd();
    }

    private void SetupRewardedAd()
    {
        Debug.Log($"[LevelPlay Rewarded] Initializing Rewarded Ad Unit: {rewardedAdUnitId}");
        rewardedAd = new LevelPlayRewardedAd(rewardedAdUnitId);

        // Register Rewarded Callback Handlers
        rewardedAd.OnAdLoaded += OnRewardedAdLoaded;
        rewardedAd.OnAdLoadFailed += OnRewardedAdLoadFailed;
        rewardedAd.OnAdDisplayed += OnRewardedAdDisplayed;
        rewardedAd.OnAdRewarded += OnRewardedAdRewarded;
        rewardedAd.OnAdClosed += OnRewardedAdClosed;

        // Preload initial rewarded ad
        rewardedAd.LoadAd();
    }

    private void OnRewardedAdLoaded(LevelPlayAdInfo adInfo)
    {
        Debug.Log($"[LevelPlay Rewarded] Ad Loaded Successfully! Revenue eCPM: ${adInfo.Revenue}");
    }

    private void OnRewardedAdLoadFailed(LevelPlayAdError error)
    {
        Debug.LogError($"[LevelPlay Rewarded Error] Load Failed: {error.ErrorMessage}");
    }

    private void OnRewardedAdDisplayed(LevelPlayAdInfo adInfo)
    {
        Debug.Log("[LevelPlay Rewarded] Player started watching rewarded video.");
    }

    // =========================================================================
    // GRANT REWARD CALLBACK
    // =========================================================================
    private void OnRewardedAdRewarded(LevelPlayAdInfo adInfo, LevelPlayReward reward)
    {
        Debug.Log($"[LevelPlay Reward Success] Player completed video! Granting {reward.Amount} x {reward.Name}");
        
        // Grant reward locally (or trigger S2S backend check)
        GrantPlayerInGameReward(reward.Name, reward.Amount);
    }

    private void OnRewardedAdClosed(LevelPlayAdInfo adInfo)
    {
        Debug.Log("[LevelPlay Rewarded] Ad closed. Preloading next rewarded video...");
        rewardedAd.LoadAd(); // Auto-preload next ad
    }

    public void ShowRewardedAdButton()
    {
        if (rewardedAd != null && rewardedAd.IsAdReady())
        {
            Debug.Log("[LevelPlay Rewarded] Showing Rewarded Video Ad...");
            rewardedAd.ShowAd();
        }
        else
        {
            Debug.LogWarning("[LevelPlay Warning] Rewarded Ad is not loaded yet.");
        }
    }

    private void GrantPlayerInGameReward(string rewardType, int amount)
    {
        if (rewardType == "Gems")
        {
            PlayerPrefs.SetInt("UserGems", PlayerPrefs.GetInt("UserGems", 0) + amount);
        }
        else
        {
            PlayerPrefs.SetInt("UserCoins", PlayerPrefs.GetInt("UserCoins", 0) + amount);
        }
    }
}