using System;

namespace ScreenConnect;

public class DeflateEncoder : DeflateCoder
{
	private CoderCompressionLevel compressionLevel;

	private CoderCompressionStrategy compressionStrategy;

	public DeflateEncoder(CoderCompressionLevel compressionLevel, CoderCompressionStrategy compressionStrategy, DeflateWrapper wrapper)
		: base(wrapper)
	{
		this.compressionLevel = compressionLevel;
		this.compressionStrategy = compressionStrategy;
		Initialize();
	}

	protected unsafe override int Initialize(IntPtr stream, byte* version, int streamSize, int windowBits)
	{
		return NativeLibrarySingleton<Native.libz, Toolkit>.Instance.deflateInit2_(stream, compressionLevel, 8, windowBits, 9, compressionStrategy, version, streamSize);
	}

	protected override int Process(IntPtr stream, CoderFlushType flushType)
	{
		return NativeLibrarySingleton<Native.libz, Toolkit>.Instance.deflate(stream, flushType);
	}

	protected override int End(IntPtr stream)
	{
		return NativeLibrarySingleton<Native.libz, Toolkit>.Instance.deflateEnd(stream);
	}
}