#include "animation.h"
#include "lyt/binaryfile.h"

LYTAnimation::~LYTAnimation() {

}

LYTAnimation::LYTAnimation(QByteArray data) {
	LYTBinaryFile file(data);

	foreach (const LYTBinaryFileSection &section, file.sections) {
		switch (section.magic.value) {
		case 'pat1': {
			// Info
			QDataStream in(section.data);
			InitDataStream(in);

			quint16 groupCount;
			quint32 nameOffset, groupOffset;
			quint8 flag;

			in >> sourceTagNumber;
			in >> groupCount;
			in >> nameOffset;
			in >> groupOffset;
			in >> sourceStartFrame;
			in >> sourceEndFrame;
			in >> flag;

			qDebug() << "Source: Tag:" << sourceTagNumber << "- Frames:" << sourceStartFrame << "to" << sourceEndFrame;
			qDebug() << "Groups: Offset" << groupOffset << ", count" << groupCount << "- Name offset:" << nameOffset;

			recursiveBind = ((flag & 1) != 0);
			qDebug() << "Flag:" << flag << "; Recursive bind:" << recursiveBind;

			in.device()->seek(nameOffset - 8);
			// a royal hack
			name = ReadFixedLengthASCII(in, groupOffset-nameOffset);
			qDebug() << "Rlan name:" << name;

			groups.reserve(groupCount);
			in.device()->seek(groupOffset - 8);

			for (int i = 0; i < groupCount; i++) {
				LYTAnimGroupInfo info;
				info.name = ReadFixedLengthASCII(in, 17);
				in >> info.unusedFlag;
				in.skipRawData(2);
				groups.append(info);

				qDebug() << "Group name:" << info.name;
			}

			break;
		}

		case 'pai1': {
			// Bits
			QDataStream in(section.data);
			InitDataStream(in);

			quint8 loop;
			quint16 fileCount, blockCount;
			quint32 offsetOffset;

			in >> frameSize;
			in >> loop;
			in.skipRawData(1);
			in >> fileCount;
			in >> blockCount;
			in >> offsetOffset;

			qDebug() << "Loop:" << loop << "- File count:" << fileCount << ", Block count:" << blockCount;
			qDebug() << "Offset Offset:" << offsetOffset;

			this->loop = (loop & 1);

			importedFiles.reserve(fileCount);

			qint64 strTabBegin = in.device()->pos();
			for (int i = 0; i < fileCount; i++) {
				quint32 offs;
				in >> offs;

				qint64 saveMe = in.device()->pos();
				in.device()->seek(strTabBegin + offs);
				importedFiles.append(ReadVariableLengthASCII(in));
				in.device()->seek(saveMe);

				qDebug() << "Imported file:" << importedFiles.last();
			}

			// Now, each block
			in.device()->seek(offsetOffset-8);
			blocks.reserve(blockCount);

			for (int i = 0; i < blockCount; i++) {
				quint32 blockOffs;
				in >> blockOffs;
				qint64 saveInList = in.device()->pos();
				in.device()->seek(blockOffs - 8);

				// Block.
				LYTAnimBlock block;
				block.name = ReadFixedLengthASCII(in, 20);
				quint8 pieceCount, type;
				in >> pieceCount;
				in >> type;
				in.skipRawData(2);

				block.isMaterial = (type == 1);

				qDebug() << "Block @ " << QString::number(blockOffs,16) << ":" << block.name << "- Piece Count:" << pieceCount << "- Type:" << type << "IsMaterial:" << block.isMaterial;

				// Now, the piece list
				block.pieces.reserve(pieceCount);

				for (int j = 0; j < pieceCount; j++) {
					quint32 pieceOffs;
					in >> pieceOffs;
					qint64 saveInList2 = in.device()->pos();
					in.device()->seek(blockOffs + pieceOffs - 8);

					// Piece
					LYTAnimPiece piece;
					Magic pieceMagic(0);
					in >> pieceMagic.value;

					switch (pieceMagic.value) {
					case 'RLPA': piece.type = piece.PaneAnim; break;
					case 'RLTS': piece.type = piece.TexSRTAnim; break;
					case 'RLVI': piece.type = piece.VisAnim; break;
					case 'RLVC': piece.type = piece.VtxClrAnim; break;
					case 'RLMC': piece.type = piece.MatClrAnim; break;
					case 'RLTP': piece.type = piece.TexPatAnim; break;
					case 'RLIM': piece.type = piece.IndTexSRTAnim; break;
					}

					quint8 entryCount;
					in >> entryCount;
					in.skipRawData(3);
					qDebug("Piece: %c%c%c%c, Entry Count: %d", pieceMagic.str[3], pieceMagic.str[2], pieceMagic.str[1], pieceMagic.str[0], entryCount);

					piece.entries.reserve(entryCount);

					// ANOTHER LIST ARGHHHH
					for (int k = 0; k < entryCount; k++) {
						quint32 entryOffs;
						in >> entryOffs;
						qint64 saveInList3 = in.device()->pos();
						in.device()->seek(blockOffs + pieceOffs + entryOffs - 8);

						// Entry
						LYTAnimEntry entry;
						in >> entry.id;
						in >> entry.target;
						in >> entry.curveType;
						in.skipRawData(1);

						quint16 keyCount;
						quint32 keyOffset;

						in >> keyCount;
						in.skipRawData(2);
						in >> keyOffset;

						qDebug() << "Entry ID:" << entry.id << "Target:" << entry.target << "CurveType:" << entry.curveType << "KeyCount:" << keyCount << "KeyOffset:" << keyOffset;

						in.device()->seek(blockOffs + pieceOffs + entryOffs + keyOffset - 8);

						if (piece.type == piece.TexPatAnim || piece.type == piece.VisAnim) {
							entry.stepKeys.reserve(keyCount);

							for (int l = 0; l < keyCount; l++) {
								// Step Key
								LYTAnimStepKey key;
								in >> key.frame;
								in >> key.value;
								in.skipRawData(2);
								qDebug() << "Step Key:" << key.frame << key.value;

								entry.stepKeys.append(key);
							}

						} else {
							entry.keys.reserve(keyCount);

							for (int l = 0; l < keyCount; l++) {
								// Key
								LYTAnimHermiteKey key;
								in >> key.frame;
								in >> key.value;
								in >> key.slope;
								qDebug() << "Key:" << key.frame << key.value << key.slope;

								entry.keys.append(key);
							}
						}

						piece.entries.append(entry);
						in.device()->seek(saveInList3);
					}

					block.pieces.append(piece);
					in.device()->seek(saveInList2);
				}

				blocks.append(block);
				in.device()->seek(saveInList);
			}

			break;
		}

		case 'pah1':
			// Share
			qFatal("AnimShare unsupported");
			break;
		}
	}
}