using System;
using Azerion.BlueStack.Internal;

namespace Azerion.BlueStack.API.Banner
{
    public class BannerAd
    {
        private IBannerAdClient _bannerAdClient;

        public event EventHandler<EventArgs> OnBannerDidLoad;

        public event EventHandler<BlueStackError> OnBannerDidFailed;

        public event EventHandler<EventArgs> OnAdClicked;

        public event EventHandler<EventArgs> OnBannerDidRefresh;

        public event EventHandler<BlueStackError> OnBannerDidFailToRefresh;

        public event EventHandler<EventArgs> OnBannerHide;

        public event EventHandler<EventArgs> OnBannerDisplay;

        // TODO: Refactor the BannerAdClient lifecycle (creation, destruction, disposal) across across all platforms
        //       to improve and ensure consistent behavior.
        
        public BannerAd(string placementId, AdPosition adPosition) : this(placementId, adPosition,
            BlueStackAds.GetClientsFactory().CreatBannerAdClient())
        {
        }

        internal BannerAd(string placementId, AdPosition adPosition, IBannerAdClient bannerAdClient)
        {
            _bannerAdClient = bannerAdClient;
            _bannerAdClient.CreateBannerAd(placementId, adPosition);
            ConfigureEvents();
        }

        private void ConfigureEvents()
        {
            _bannerAdClient.OnBannerDidLoad += (sender, args) => { OnBannerDidLoad?.Invoke(this, args); };

            _bannerAdClient.OnBannerDidFailed += (sender, args) => { OnBannerDidFailed?.Invoke(this, args); };

            _bannerAdClient.OnAdClicked += (sender, args) => { OnAdClicked?.Invoke(this, args); };

            _bannerAdClient.OnBannerDidRefresh += (sender, args) => { OnBannerDidRefresh?.Invoke(this, args); };

            _bannerAdClient.OnBannerDidFailToRefresh += (sender, args) =>
            {
                OnBannerDidFailToRefresh?.Invoke(this, args);
            };

            _bannerAdClient.OnBannerHide += (EventSender, args) => { OnBannerHide?.Invoke(this, args); };

            _bannerAdClient.OnBannerDisplay += (EventSender, args) => { OnBannerDisplay?.Invoke(this, args); };
        }

        public void Load(AdSize adSize)
        {
            Preference preference = new Preference();
            _bannerAdClient.Load(adSize, preference.getIPreferenceClient());
        }

        public void Load(AdSize adSize, Preference preference)
        {
            _bannerAdClient.Load(adSize, preference.getIPreferenceClient());
        }

        public void Show()
        {
            _bannerAdClient.Show();
        }

        public void Hide()
        {
            _bannerAdClient.Hide();
        }

        public void Destroy()
        {
            _bannerAdClient.Destroy();
        }

        public void SetPosition(AdPosition adPosition)
        {
            _bannerAdClient.SetPosition(adPosition);
        }
    }
}