using System;
using Steamworks;
using UnityEngine;

namespace HeathenEngineering.SteamApi.GameServices
{
	[CreateAssetMenu(menuName = "Steamworks/Game Services/DLC Data")]
	public class SteamDLCData : ScriptableObject
	{
		public AppId_t AppId;

		public bool IsSubscribed;

		public bool IsDlcInstalled;

		public bool IsDownloading;

		public void UpdateStatus()
		{
			GetIsSubscribed();
			GetIsInstalled();
			GetDownloadProgress();
		}

		public bool GetIsSubscribed()
		{
			IsSubscribed = SteamApps.BIsSubscribedApp(AppId);
			return IsSubscribed;
		}

		public bool GetIsInstalled()
		{
			IsDlcInstalled = SteamApps.BIsDlcInstalled(AppId);
			return IsDlcInstalled;
		}

		public string GetInstallDirectory()
		{
			if (SteamApps.GetAppInstallDir(AppId, out var pchFolder, 2048u) != 0)
			{
				return pchFolder;
			}
			return string.Empty;
		}

		public float GetDownloadProgress()
		{
			IsDownloading = SteamApps.GetDlcDownloadProgress(AppId, out var punBytesDownloaded, out var punBytesTotal);
			if (IsDownloading)
			{
				return Convert.ToSingle((double)punBytesDownloaded / (double)punBytesTotal);
			}
			return 0f;
		}

		public DateTime GetEarliestPurchaseTime()
		{
			uint earliestPurchaseUnixTime = SteamApps.GetEarliestPurchaseUnixTime(AppId);
			return new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc).AddSeconds(earliestPurchaseUnixTime);
		}

		public void InstallDLC()
		{
			SteamApps.InstallDLC(AppId);
		}

		public void UninstallDLC()
		{
			SteamApps.UninstallDLC(AppId);
		}

		public void OpenStore(EOverlayToStoreFlag flag = EOverlayToStoreFlag.k_EOverlayToStoreFlag_None)
		{
			SteamFriends.ActivateGameOverlayToStore(AppId, flag);
		}
	}
}