/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
*/

#include "DefaultIntegerFieldItem.h"

namespace org
{
	namespace apache
	{
		namespace plc4x
		{
			namespace cpp
			{
				namespace base
				{
					namespace messages
					{
						namespace items
						{
							// ==================================================
							bool DefaultIntegerFieldItem::getBoolean(int index)
							{
								if (!isValidBoolean(index))
								{
									throw new PlcIncompatibleDatatypeException("bool", index);
								}

								return getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidByte(int index)
							{
								int value = getValue(index);
								return value <= -127 && value >= -128;
							}

							// ===================================================
							char DefaultIntegerFieldItem::getByte(int index)
							{
								if (!isValidByte(index)) 
								{
									throw new PlcIncompatibleDatatypeException("char", index);
								}
								return (char) getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidShort(int index)
							{
								int value = getValue(index);
								return value >= -32768 && value <= 32767;
							}

							// ===================================================
							short DefaultIntegerFieldItem::getShort(int index)
							{
								if (!isValidShort(index))
								{
									throw new PlcIncompatibleDatatypeException("short", index);
								}
								
								return (short)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidInteger(int index)
							{
								int value = getValue(index);
								return value >= 0 && value <= 2147483647;
							}

							// ===================================================
							int DefaultIntegerFieldItem::getInteger(int index)
							{
								if (!isValidInteger(index))
								{
									throw new PlcIncompatibleDatatypeException("int", index);
								}

								return (int)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidLong(int index)
							{
								int value = getValue(index);
								return value >= -(2 ^ 63) && value <= (2 ^ 63) - 1;
							}

							// ===================================================
							long DefaultIntegerFieldItem::getLong(int index)
							{
								if (!isValidLong(index))
								{
									throw new PlcIncompatibleDatatypeException("long", index);
								}

								return (long)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidBigInteger(int index)
							{
								return true;
							}

							// ===================================================
							long long DefaultIntegerFieldItem::getBigInteger(int index)
							{
								if (!isValidBigInteger(index))
								{
									throw new PlcIncompatibleDatatypeException("long long", index);
								}
								
								// Todo: add conversion from cpp_dec_float_100 TO long long
								return (long)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidFloat(int index)
							{
								int value = getValue(index);
								return value >= -3.4e38 && value <= 3.4e38;
							}

							// ===================================================
							float DefaultIntegerFieldItem::getFloat(int index)
							{
								if (!isValidFloat(index))
								{
									throw new PlcIncompatibleDatatypeException("float", index);
								}

								return (float)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidDouble(int index)
							{
								int value = getValue(index);
								return value >= -1.7e308 && value <= 1.7e308;
							}

							// ===================================================
							double DefaultIntegerFieldItem::getDouble(int index)
							{
								if (!isValidDouble(index))
								{
									throw new PlcIncompatibleDatatypeException("double", index);
								}

								return (double)getValue(index);
							}

							// ===================================================
							bool DefaultIntegerFieldItem::isValidBigDecimal(int index)
							{
								// same limits but higher precision
								return isValidDouble(index);
							}

							// ===================================================
							cpp_dec_float_100 DefaultIntegerFieldItem::getBigDecimal(int index)
							{
								if (!isValidBigDecimal(index))
								{
									throw new PlcIncompatibleDatatypeException("cpp_dec_float_100", index);
								}

								return (cpp_dec_float_100)getValue(index);
							}
						}
						
					}
				}
			}
		}
	}
}
