#include "AnimQueue.h"

FAnimStep FAnimQueueDecoder::ReadStep() {
	FAnimStep result;
	result.Hash = Decoder.read_uint64();
	result.Body = Decoder.read_string_view();
	return result;
}

FAnimField FAnimStepDecoder::ReadField() {
	FAnimField result;
	result.Name = Decoder.read_string_view();
	result.Persistent = Decoder.read_bool();
	result.Type = (EAnimValueType)Decoder.read_uint8();
	switch (result.Type) {
		case T_STRING: {
			result.S = Decoder.read_string_view();
			break;
		}
		case T_NUMBER: {
			result.X = Decoder.read_double();
			break;
		}
		case T_BOOLEAN: {
			result.X = Decoder.read_bool() ? 1.0 : 0.0;
			break;
		}
		case T_XYZ: {
			result.X = Decoder.read_double();
			result.Y = Decoder.read_double();
			result.Z = Decoder.read_double();
			break;
		}
		default: {
			Decoder.set_at_eof();
			result.Type = T_BOOLEAN;
			result.X = 0;
			break;
		}
	}
	return result;
}

FString FAnimQueueDecoder::DebugString(std::string_view queue) {
	FString result;
	FAnimQueueDecoder decoder(queue);
	while (!decoder.AtEOF()) {
		FAnimStep step = decoder.ReadStep();
		FString stepdebug = FAnimStepDecoder::DebugString(step);
		result.Appendf(TEXT("%s\n"), *stepdebug);
	}
	return result;
}

FString FAnimStepDecoder::DebugString(const FAnimStep& step) {
	FString result;
	FAnimStepDecoder decoder(step);
	bool first = true;
	while (!decoder.AtEOF()) {
		FAnimField field = decoder.ReadField();
		if (!first) {
			result.Append(TEXT(" "));
		}
		result.Append(FString(field.Name.size(), (const UTF8CHAR*)field.Name.data()));
		result.Append(field.Persistent ? TEXT("=") : TEXT(":"));
		switch (field.Type) {
		case EAnimValueType::T_STRING:
			result.Append(FString(field.S.size(), (const UTF8CHAR*)field.S.data()));
			break;
		case EAnimValueType::T_NUMBER:
			result.Appendf(TEXT("%lf"), field.X);
			break;
		case EAnimValueType::T_BOOLEAN:
			result.Append((field.X) == 1.0 ? TEXT("true") : TEXT("false"));
			break;
		case EAnimValueType::T_XYZ:
			result.Appendf(TEXT("%lf,%lf,%lf"), field.X, field.Y, field.Z);
			break;
		}
		first = false;
	}
	return result;
}