#include "pch.h"
#include "CppUnitTest.h"
#include <Json.h>

using namespace Microsoft::VisualStudio::CppUnitTestFramework;

namespace FrameworkTests
{
	TEST_CLASS(JSONParserTests)
	{
	public:
		TEST_METHOD(NullTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("null");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('null') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::NULL_, L"Framework::JSON::Parser::getValue('null') should return a json null value");
			value->release();
		}

		TEST_METHOD(BooleanTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("false");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('false') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::BOOLEAN, L"Framework::JSON::Parser::getValue('false') should return a boolean");
			Assert::IsTrue(((Framework::JSON::JSONBool*)value)->getBool() == false, L"Framework::JSON::Parser::getValue('false') should return a boolean with value false");
			value->release();

			value = Framework::JSON::Parser::getValue("true");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('true') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::BOOLEAN, L"Framework::JSON::Parser::getValue('true') should return a boolean");
			Assert::IsTrue(((Framework::JSON::JSONBool*)value)->getBool() == true, L"Framework::JSON::Parser::getValue('true') should return a boolean with value true");
			value->release();
		}

		TEST_METHOD(StringTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("\"test\"");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('\"test\"') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::STRING, L"Framework::JSON::Parser::getValue('\"test\"') should return a string");
			Assert::IsTrue(((Framework::JSON::JSONString*)value)->getString().istGleich("test"), L"Framework::JSON::Parser::getValue('\"test\"') should return a string with value 'test'");
			value->release();

			value = Framework::JSON::Parser::getValue("\"\"");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('\"\"') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::STRING, L"Framework::JSON::Parser::getValue('\"\"') should return a string");
			Assert::IsTrue(((Framework::JSON::JSONString*)value)->getString().istGleich(""), L"Framework::JSON::Parser::getValue('\"\"') should return a string with value ''");
			value->release();
		}

		TEST_METHOD(NumberTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("0");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('0') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::NUMBER, L"Framework::JSON::Parser::getValue('0') should return a number");
			Assert::IsTrue(((Framework::JSON::JSONNumber*)value)->getNumber() == 0.0, L"Framework::JSON::Parser::getValue('0') should return a number with value '0'");
			value->release();

			value = Framework::JSON::Parser::getValue("1.5");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('1.5') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::NUMBER, L"Framework::JSON::Parser::getValue('1.5') should return a number");
			Assert::IsTrue(((Framework::JSON::JSONNumber*)value)->getNumber() == 1.5, L"Framework::JSON::Parser::getValue('1.5') should return a number with value '1.5'");
			value->release();

			value = Framework::JSON::Parser::getValue("-1.5");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('-1.5') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::NUMBER, L"Framework::JSON::Parser::getValue('-1.5') should return a number");
			Assert::IsTrue(((Framework::JSON::JSONNumber*)value)->getNumber() == -1.5, L"Framework::JSON::Parser::getValue('-1.5') should return a number with value '-1.5'");
			value->release();

			value = Framework::JSON::Parser::getValue("-5.0");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('-5.0') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::NUMBER, L"Framework::JSON::Parser::getValue('-5.0') should return a number");
			Assert::IsTrue(((Framework::JSON::JSONNumber*)value)->getNumber() == -5.0, L"Framework::JSON::Parser::getValue('-5.0') should return a number with value '-5.0'");
			value->release();
		}

		TEST_METHOD(ArrayTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("[]");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('[]') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::ARRAY, L"Framework::JSON::Parser::getValue('[]') should return an array");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->getLength() == 0, L"Framework::JSON::Parser::getValue('[]') should return an array with length 0");
			value->release();

			value = Framework::JSON::Parser::getValue("  \t[ \r\n\tnull   , \r\n\t  1,true , \"\"  ] ");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::ARRAY, L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should return an array");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->getLength() == 4, L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should return an array with length 4");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(0, Framework::JSON::JSONType::NULL_), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain null at index 0");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(1, Framework::JSON::JSONType::NUMBER), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain a number at index 1");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(2, Framework::JSON::JSONType::BOOLEAN), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain a boolean at index 2");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(3, Framework::JSON::JSONType::STRING), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain a boolean at index 3");
			value->release();
		}

		TEST_METHOD(MultipleArrayTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("[[1],2,[[]]]");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('[[1],2,[[]]]') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::ARRAY, L"Framework::JSON::Parser::getValue('[[1],2,[[]]]') should return an array");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->getLength() == 3, L"Framework::JSON::Parser::getValue('[[1],2,[[]]]') should return an array with length 3");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(0, Framework::JSON::JSONType::ARRAY), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain an array at index 0");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(1, Framework::JSON::JSONType::NUMBER), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain a number at index 1");
			Assert::IsTrue(((Framework::JSON::JSONArray*)value)->isValueOfType(2, Framework::JSON::JSONType::ARRAY), L"Framework::JSON::Parser::getValue('[null, 1, true, \"\"]') should contain an array at index 2");
			value->release();
		}

		TEST_METHOD(ObjectTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("{\" \": []}");
			Assert::IsTrue(value != 0, L"Framework::JSON::Parser::getValue('{\"\": []}') should not return 0");
			Assert::IsTrue(value->getType() == Framework::JSON::JSONType::OBJECT, L"Framework::JSON::Parser::getValue('{\" \": []}') should return an object");
			Assert::IsTrue(((Framework::JSON::JSONObject*)value)->getFieldCount() == 1, L"Framework::JSON::Parser::getValue('{\" \": []}') should return an object with one attribute");
			Assert::IsTrue(((Framework::JSON::JSONObject*)value)->isValueOfType(" ", Framework::JSON::JSONType::ARRAY), L"Framework::JSON::Parser::getValue('{\" \": []}') should contain an array at attribute ' '");
			value->release();
		}

		TEST_METHOD(ToStringTest)
		{
			Framework::JSON::JSONValue* value = Framework::JSON::Parser::getValue("{\" \": [1, true, false, 0.0, {}], \"t\": null}");
			Framework::JSON::JSONValue* value2 = Framework::JSON::Parser::getValue(value->toString());
			Assert::IsTrue(isEqual(value, value2), L"Framework::JSON::Parser::getValue(value.toString()) should return a json value eqal to value");
			value->release();
			value2->release();
		}

		bool isEqual(Framework::JSON::JSONValue* a, Framework::JSON::JSONValue* b)
		{
			if (a->getType() != b->getType()) return 0;
			switch (a->getType())
			{
			case Framework::JSON::JSONType::NUMBER:
				return ((Framework::JSON::JSONNumber*)a)->getNumber() == ((Framework::JSON::JSONNumber*)b)->getNumber();
			case Framework::JSON::JSONType::BOOLEAN:
				return ((Framework::JSON::JSONBool*)a)->getBool() == ((Framework::JSON::JSONBool*)b)->getBool();
			case Framework::JSON::JSONType::STRING:
				return ((Framework::JSON::JSONString*)a)->getString().istGleich(((Framework::JSON::JSONString*)b)->getString());
			case Framework::JSON::JSONType::ARRAY:
			{
				Framework::JSON::JSONArray* arrayA = (Framework::JSON::JSONArray*)a;
				Framework::JSON::JSONArray* arrayB = (Framework::JSON::JSONArray*)b;
				if (arrayA->getLength() != arrayB->getLength()) return 0;
				for (int i = 0; i < arrayA->getLength(); i++)
				{
					Framework::JSON::JSONValue* entryA = arrayA->getValue(i);
					Framework::JSON::JSONValue* entryB = arrayB->getValue(i);
					bool eq = isEqual(entryA, entryB);
					entryA->release();
					entryB->release();
					if (!eq) return 0;
				}
				return 1;
			}
			case Framework::JSON::JSONType::OBJECT:
			{
				Framework::JSON::JSONObject* objA = (Framework::JSON::JSONObject*)a;
				Framework::JSON::JSONObject* objB = (Framework::JSON::JSONObject*)b;
				if (objA->getFieldCount() != objB->getFieldCount()) return 0;
				auto oaf = objA->getFields();
				while (oaf)
				{
					if (!objB->hasValue(oaf)) return 0;
					Framework::JSON::JSONValue* entryA = objA->getValue(oaf);
					Framework::JSON::JSONValue* entryB = objB->getValue(oaf);
					bool eq = isEqual(entryA, entryB);
					entryA->release();
					entryB->release();
					if (!eq) return 0;
					oaf++;
				}
				return 1;
			}
			}
			return 1;
		}

		TEST_METHOD(ToArrayTest)
		{
			Framework::JSON::JSONArray* jArray = Framework::JSON::Parser::getValue("[1,2,3,4,5,6,7,8,9,10]")->asArray();
			Framework::Array<int>* numberArray = jArray->toArray<int>([](Framework::JSON::JSONValue& v)
				{
					return (int)v.asNumber()->getNumber();
				});
			Assert::IsTrue(numberArray->getEintragAnzahl() == 10, L"Array hat die falsche Anzahl an elementen");
			Assert::IsTrue(numberArray->get(2) == 3, L"Array hat mindestens ein falsches element");
			Assert::IsTrue(numberArray->get(7) == 8, L"Array hat mindestens ein falsches element");
			numberArray->release();
			numberArray = jArray->toArray<int>([](Framework::JSON::JSONValue& v)
				{
					return (int)v.asNumber()->getNumber() % 2 == 0;
				}, [](Framework::JSON::JSONValue& v)
				{
					return (int)v.asNumber()->getNumber();
				});
			Assert::IsTrue(numberArray->get(0) == 2, L"Array hat mindestens ein falsches element");
			Assert::IsTrue(numberArray->get(3) == 8, L"Array hat mindestens ein falsches element");
			jArray->release();
		}

		TEST_METHOD(ToRCArrayTest)
		{
			Framework::JSON::JSONArray* jArray = Framework::JSON::Parser::getValue("[\"1\",\"2\",\"3\",\"4\",\"5\"]")->asArray();
			Framework::RCArray<Framework::Text>* numberArray = jArray->toRCArray<Framework::Text>([](Framework::JSON::JSONValue& v)
				{
					return new Framework::Text(v.asString()->getString());
				});
			Assert::IsTrue(numberArray->getEintragAnzahl() == 5, L"Array hat die falsche Anzahl an elementen");
			Assert::IsTrue(numberArray->z(1)->istGleich("2"), L"Array hat mindestens ein falsches element");
			Assert::IsTrue(numberArray->z(4)->istGleich("5"), L"Array hat mindestens ein falsches element");
			numberArray->release();
			numberArray = jArray->toRCArray<Framework::Text>([](Framework::JSON::JSONValue& v)
				{
					return (int)v.asString()->getString() % 2 == 0;
				}, [](Framework::JSON::JSONValue& v)
				{
					return new Framework::Text(v.asString()->getString());
				});
			Assert::IsTrue(numberArray->z(0)->istGleich("2"), L"Array hat mindestens ein falsches element");
			Assert::IsTrue(numberArray->z(1)->istGleich("4"), L"Array hat mindestens ein falsches element");
			jArray->release();
		}

		class TestObject
		{
		public:
			Framework::Text name;
			Framework::Text value;
		};

		TEST_METHOD(ParseObjectTest)
		{
			Framework::JSON::JSONObject* jObj = Framework::JSON::Parser::getValue("{\"name\": \"test\", \"value\": \"1234\"}")->asObject();
			TestObject* obj = jObj->parseTo<TestObject>(new TestObject(), [](TestObject* obj, Framework::Text attrName, Framework::JSON::JSONValue& v)
				{
					if (attrName.istGleich("name"))
					{
						obj->name = v.asString()->getString();
					}
					else
					{
						obj->value = v.asString()->getString();
					}
				});
			Assert::IsTrue(obj->name.istGleich("test"), L"Feld hat falschen wert");
			Assert::IsTrue(obj->value.istGleich("1234"), L"Feld hat falschen wert");
			delete obj;
			jObj->release();
		}

		TEST_METHOD(FromArrayTest)
		{
			Framework::Array<int> arr;
			arr.add(1);
			arr.add(2);
			arr.add(3);
			arr.add(4);

			Framework::JSON::JSONArray* jArray = Framework::JSON::JSONArray::fromArray<int>(arr, [](int v)
				{
					return new Framework::JSON::JSONNumber(v);
				});
			Assert::IsTrue(jArray->getLength() == 4, L"Array hat falsche länge");
			Framework::JSON::JSONNumber* n = jArray->getValue(1)->asNumber();
			Assert::IsTrue(n->getNumber() == 2, L"Array hat mindestens einen falschen Wert");
			n->release();
			jArray->release();

			Framework::RCArray<Framework::Text> rcArr;
			rcArr.add(new Framework::Text("1"));
			rcArr.add(new Framework::Text("2"));
			rcArr.add(new Framework::Text("3"));
			rcArr.add(new Framework::Text("4"));

			jArray = Framework::JSON::JSONArray::fromRCArray<Framework::Text>(rcArr, [](Framework::Text& v)
				{
					return new Framework::JSON::JSONString(v);
				});
			Assert::IsTrue(jArray->getLength() == 4, L"Array hat falsche länge");
			Framework::JSON::JSONString* s = jArray->getValue(2)->asString();
			Assert::IsTrue(s->getString().istGleich("3"), L"Array hat mindestens einen falschen Wert");
			s->release();
			jArray->release();
		}
	};
}