using System;
using System.Runtime.InteropServices;

namespace Steamworks;

public static class SteamApps
{
	public static bool BIsSubscribed()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsSubscribed(CSteamAPIContext.GetSteamApps());
	}

	public static bool BIsLowViolence()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsLowViolence(CSteamAPIContext.GetSteamApps());
	}

	public static bool BIsCybercafe()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsCybercafe(CSteamAPIContext.GetSteamApps());
	}

	public static bool BIsVACBanned()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsVACBanned(CSteamAPIContext.GetSteamApps());
	}

	public static string GetCurrentGameLanguage()
	{
		InteropHelp.TestIfAvailableClient();
		return InteropHelp.PtrToStringUTF8(NativeMethods.ISteamApps_GetCurrentGameLanguage(CSteamAPIContext.GetSteamApps()));
	}

	public static string GetAvailableGameLanguages()
	{
		InteropHelp.TestIfAvailableClient();
		return InteropHelp.PtrToStringUTF8(NativeMethods.ISteamApps_GetAvailableGameLanguages(CSteamAPIContext.GetSteamApps()));
	}

	public static bool BIsSubscribedApp(AppId_t appID)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsSubscribedApp(CSteamAPIContext.GetSteamApps(), appID);
	}

	public static bool BIsDlcInstalled(AppId_t appID)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsDlcInstalled(CSteamAPIContext.GetSteamApps(), appID);
	}

	public static uint GetEarliestPurchaseUnixTime(AppId_t nAppID)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_GetEarliestPurchaseUnixTime(CSteamAPIContext.GetSteamApps(), nAppID);
	}

	public static bool BIsSubscribedFromFreeWeekend()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsSubscribedFromFreeWeekend(CSteamAPIContext.GetSteamApps());
	}

	public static int GetDLCCount()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_GetDLCCount(CSteamAPIContext.GetSteamApps());
	}

	public static bool BGetDLCDataByIndex(int iDLC, out AppId_t pAppID, out bool pbAvailable, out string pchName, int cchNameBufferSize)
	{
		InteropHelp.TestIfAvailableClient();
		IntPtr intPtr = Marshal.AllocHGlobal(cchNameBufferSize);
		bool flag = NativeMethods.ISteamApps_BGetDLCDataByIndex(CSteamAPIContext.GetSteamApps(), iDLC, out pAppID, out pbAvailable, intPtr, cchNameBufferSize);
		pchName = (flag ? InteropHelp.PtrToStringUTF8(intPtr) : null);
		Marshal.FreeHGlobal(intPtr);
		return flag;
	}

	public static void InstallDLC(AppId_t nAppID)
	{
		InteropHelp.TestIfAvailableClient();
		NativeMethods.ISteamApps_InstallDLC(CSteamAPIContext.GetSteamApps(), nAppID);
	}

	public static void UninstallDLC(AppId_t nAppID)
	{
		InteropHelp.TestIfAvailableClient();
		NativeMethods.ISteamApps_UninstallDLC(CSteamAPIContext.GetSteamApps(), nAppID);
	}

	public static void RequestAppProofOfPurchaseKey(AppId_t nAppID)
	{
		InteropHelp.TestIfAvailableClient();
		NativeMethods.ISteamApps_RequestAppProofOfPurchaseKey(CSteamAPIContext.GetSteamApps(), nAppID);
	}

	public static bool GetCurrentBetaName(out string pchName, int cchNameBufferSize)
	{
		InteropHelp.TestIfAvailableClient();
		IntPtr intPtr = Marshal.AllocHGlobal(cchNameBufferSize);
		bool flag = NativeMethods.ISteamApps_GetCurrentBetaName(CSteamAPIContext.GetSteamApps(), intPtr, cchNameBufferSize);
		pchName = (flag ? InteropHelp.PtrToStringUTF8(intPtr) : null);
		Marshal.FreeHGlobal(intPtr);
		return flag;
	}

	public static bool MarkContentCorrupt(bool bMissingFilesOnly)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_MarkContentCorrupt(CSteamAPIContext.GetSteamApps(), bMissingFilesOnly);
	}

	public static uint GetInstalledDepots(AppId_t appID, DepotId_t[] pvecDepots, uint cMaxDepots)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_GetInstalledDepots(CSteamAPIContext.GetSteamApps(), appID, pvecDepots, cMaxDepots);
	}

	public static uint GetAppInstallDir(AppId_t appID, out string pchFolder, uint cchFolderBufferSize)
	{
		InteropHelp.TestIfAvailableClient();
		IntPtr intPtr = Marshal.AllocHGlobal((int)cchFolderBufferSize);
		uint num = NativeMethods.ISteamApps_GetAppInstallDir(CSteamAPIContext.GetSteamApps(), appID, intPtr, cchFolderBufferSize);
		pchFolder = ((num != 0) ? InteropHelp.PtrToStringUTF8(intPtr) : null);
		Marshal.FreeHGlobal(intPtr);
		return num;
	}

	public static bool BIsAppInstalled(AppId_t appID)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsAppInstalled(CSteamAPIContext.GetSteamApps(), appID);
	}

	public static CSteamID GetAppOwner()
	{
		InteropHelp.TestIfAvailableClient();
		return (CSteamID)NativeMethods.ISteamApps_GetAppOwner(CSteamAPIContext.GetSteamApps());
	}

	public static string GetLaunchQueryParam(string pchKey)
	{
		InteropHelp.TestIfAvailableClient();
		using InteropHelp.UTF8StringHandle pchKey2 = new InteropHelp.UTF8StringHandle(pchKey);
		return InteropHelp.PtrToStringUTF8(NativeMethods.ISteamApps_GetLaunchQueryParam(CSteamAPIContext.GetSteamApps(), pchKey2));
	}

	public static bool GetDlcDownloadProgress(AppId_t nAppID, out ulong punBytesDownloaded, out ulong punBytesTotal)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_GetDlcDownloadProgress(CSteamAPIContext.GetSteamApps(), nAppID, out punBytesDownloaded, out punBytesTotal);
	}

	public static int GetAppBuildId()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_GetAppBuildId(CSteamAPIContext.GetSteamApps());
	}

	public static void RequestAllProofOfPurchaseKeys()
	{
		InteropHelp.TestIfAvailableClient();
		NativeMethods.ISteamApps_RequestAllProofOfPurchaseKeys(CSteamAPIContext.GetSteamApps());
	}

	public static SteamAPICall_t GetFileDetails(string pszFileName)
	{
		InteropHelp.TestIfAvailableClient();
		using InteropHelp.UTF8StringHandle pszFileName2 = new InteropHelp.UTF8StringHandle(pszFileName);
		return (SteamAPICall_t)NativeMethods.ISteamApps_GetFileDetails(CSteamAPIContext.GetSteamApps(), pszFileName2);
	}

	public static int GetLaunchCommandLine(out string pszCommandLine, int cubCommandLine)
	{
		InteropHelp.TestIfAvailableClient();
		IntPtr intPtr = Marshal.AllocHGlobal(cubCommandLine);
		int num = NativeMethods.ISteamApps_GetLaunchCommandLine(CSteamAPIContext.GetSteamApps(), intPtr, cubCommandLine);
		pszCommandLine = ((num != -1) ? InteropHelp.PtrToStringUTF8(intPtr) : null);
		Marshal.FreeHGlobal(intPtr);
		return num;
	}

	public static bool BIsSubscribedFromFamilySharing()
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsSubscribedFromFamilySharing(CSteamAPIContext.GetSteamApps());
	}

	public static bool BIsTimedTrial(out uint punSecondsAllowed, out uint punSecondsPlayed)
	{
		InteropHelp.TestIfAvailableClient();
		return NativeMethods.ISteamApps_BIsTimedTrial(CSteamAPIContext.GetSteamApps(), out punSecondsAllowed, out punSecondsPlayed);
	}
}