#pragma once

#include "validate_basic.h"

namespace impls {
	template<bool min_equal, bool max_equal, uint precision>
	class DoubleLimit : public validate::Validator<double> {
	private:
		QString _name_store;
		double _limit_max, _limit_min;
		int64_t _limit_max_times = 0, _limit_min_times = 0;

	public:
		DoubleLimit(const QString& name, double min, double max)
			: _name_store(name), _limit_max(max), _limit_min(min) {
			_limit_min_times = static_cast<int64_t>(min * precision) - min_equal;
			_limit_max_times = static_cast<int64_t>(max * precision) + max_equal;
		}


		virtual bool check(double value) const {
			auto value_times = static_cast<int>(value * precision);
			return _limit_min_times < value_times && value_times < _limit_max_times;
		}

		virtual void getDepict(datas::IDataObject& self_description) {
			self_description.setString(u8"ValidatorName", _name_store);
			self_description.setString(u8"ValueType", u8"Double");
			self_description.setInt64(u8"Precision", precision);
			self_description.setDouble(u8"MinValue", _limit_min);
			self_description.setDouble(u8"MaxValue", _limit_max);

			auto description = QString(u8"%1 %3 value %4 %2").arg(_limit_min).arg(_limit_max);
			description = description.arg(min_equal ? u8"<=" : u8"<", max_equal ? u8"<=" : u8"<");
			self_description.setString(u8"Description", description);
		}
	};

	template<bool min_equal, bool max_equal>
	class Int32Limit : public validate::Validator<int32_t> {
	private:
		QString _name_store;
		int32_t _limit_max, _limit_min;
		int32_t _limit_max_times = 0, _limit_min_times = 0;

	public:
		Int32Limit(const QString& name, int32_t min, int32_t max)
			: _name_store(name), _limit_min(min), _limit_max(max) {
			_limit_max_times = _limit_max + max_equal;
			_limit_min_times = _limit_min - min_equal;
		}


		virtual bool check(int32_t value) const {
			return _limit_min_times < value && value < _limit_max_times;
		}

		virtual void getDepict(datas::IDataObject& self_description) {
			self_description.setString(u8"ValidatorName", _name_store);
			self_description.setString(u8"ValueType", u8"Integer");
			self_description.setInt32(u8"MinValue", _limit_min);
			self_description.setInt32(u8"MaxValue", _limit_max);

			auto description = QString(u8"%1 %3 value %4 %2").arg(_limit_min).arg(_limit_max);
			description = description.arg(min_equal ? u8"<=" : u8"<", max_equal ? u8"<=" : u8"<");
			self_description.setString(u8"Description", description);
		}
	};


	template<bool min_equal, bool max_equal>
	class Int64Limit : public validate::Validator<int64_t> {
	private:
		QString _name_store;
		int64_t _limit_max, _limit_min;
		int64_t _limit_max_times = 0, _limit_min_times = 0;

	public:
		Int64Limit(const QString& name, int64_t min, int64_t max)
			: _name_store(name), _limit_min(min), _limit_max(max) {
			_limit_max_times = _limit_max + max_equal;
			_limit_min_times = _limit_min - min_equal;
		}


		virtual bool check(int64_t value) const {
			return _limit_min_times < value && value < _limit_max_times;
		}

		virtual void getDepict(datas::IDataObject& self_description) {
			self_description.setString(u8"ValidatorName", _name_store);
			self_description.setString(u8"ValueType", u8"Integer");
			self_description.setInt64(u8"MinValue", _limit_min);
			self_description.setInt64(u8"MaxValue", _limit_max);

			auto description = QString(u8"%1 %3 value %4 %2").arg(_limit_min).arg(_limit_max);
			description = description.arg(min_equal ? u8"<=" : u8"<", max_equal ? u8"<=" : u8"<");
			self_description.setString(u8"Description", description);
		}
	};


	class EnumsValidator : public validate::Validator<int32_t> {
	private:
		QString _name_store;
		QList<int32_t> _enum_options;

	public:
		EnumsValidator(const QString& name, const QList<int32_t>& list)
			:_name_store(name), _enum_options(list) { }

		virtual bool check(int32_t value) const {
			return _enum_options.contains(value);
		}

		virtual void getDepict(datas::IDataObject& self_description) {
			self_description.setString(u8"ValidatorName", _name_store);
			self_description.setString(u8"ValueType", u8"Enum");

			QStringList options;
			std::transform(_enum_options.begin(), _enum_options.end(), std::back_inserter(options), [](int32_t v) {return QString::number(v); });
			self_description.setString(u8"Values", options.join(u8","));
			self_description.setString(u8"Description", QString("value กส { %1 }").arg(options.join(u8",")));
		}
	};


}