using Gma.QrCodeNet.Encoding.DataEncodation;
using Gma.QrCodeNet.Encoding.EncodingRegion;
using Gma.QrCodeNet.Encoding.ErrorCorrection;
using Gma.QrCodeNet.Encoding.Masking;
using Gma.QrCodeNet.Encoding.Masking.Scoring;
using Gma.QrCodeNet.Encoding.Positioning;
using System.Collections.Generic;

namespace Gma.QrCodeNet.Encoding
{
	internal static class QRCodeEncode
	{
		internal static BitMatrix Encode(string content, ErrorCorrectionLevel errorLevel)
		{
			EncodationStruct encodeStruct = DataEncode.Encode(content, errorLevel);

			return ProcessEncodationResult(encodeStruct, errorLevel);
		}

		private static BitMatrix ProcessEncodationResult(EncodationStruct encodeStruct, ErrorCorrectionLevel errorLevel)
		{
			BitList codewords = ECGenerator.FillECCodewords(encodeStruct.DataCodewords, encodeStruct.VersionDetail);

			TriStateMatrix triMatrix = new TriStateMatrix(encodeStruct.VersionDetail.MatrixWidth);
			PositioningPatternBuilder.EmbedBasicPatterns(encodeStruct.VersionDetail.Version, triMatrix);

			triMatrix.EmbedVersionInformation(encodeStruct.VersionDetail.Version);
			triMatrix.EmbedFormatInformation(errorLevel, new Pattern0());
			triMatrix.TryEmbedCodewords(codewords);

			return triMatrix.GetLowestPenaltyMatrix(errorLevel);
		}
	}
}
