#include "MantidKernel/ArrayBoundedValidator.h"

#include <boost/make_shared.hpp>
#include <sstream>

namespace Mantid {
namespace Kernel {

/**
 * Default constructor
 */
template <typename TYPE>
ArrayBoundedValidator<TYPE>::ArrayBoundedValidator()
    : TypedValidator<std::vector<TYPE>>(),
      boundVal(boost::make_shared<BoundedValidator<TYPE>>()) {}

/**
 * Copy constructor
 * @param abv :: the ArrayBoundedValidator to copy
 */
template <typename TYPE>
ArrayBoundedValidator<TYPE>::ArrayBoundedValidator(
    const ArrayBoundedValidator<TYPE> &abv)
    : TypedValidator<std::vector<TYPE>>() {
  this->boundVal = boost::dynamic_pointer_cast<BoundedValidator<TYPE>>(
      abv.boundVal->clone());
}

/**
 * Constructor via bounds parameters
 * @param lowerBound :: the lower bound value to validate
 * @param upperBound :: the upper bound value to validate
 */
template <typename TYPE>
ArrayBoundedValidator<TYPE>::ArrayBoundedValidator(const TYPE lowerBound,
                                                   const TYPE upperBound)
    : TypedValidator<std::vector<TYPE>>(),
      boundVal(
          boost::make_shared<BoundedValidator<TYPE>>(lowerBound, upperBound)) {}

/**
 * Constructor via a BoundedValidator
 * @param bv :: the BoundedValidator object to use
 */
template <typename TYPE>
ArrayBoundedValidator<TYPE>::ArrayBoundedValidator(BoundedValidator<TYPE> &bv) {
  this->boundVal =
      boost::dynamic_pointer_cast<BoundedValidator<TYPE>>(bv.clone());
}

/**
 * Object destructor
 */
template <typename TYPE>
ArrayBoundedValidator<TYPE>::~ArrayBoundedValidator() {}

/**
 * Create a clone of the current ArrayBoundedValidator
 * @return the cloned object
 */
template <typename TYPE>
IValidator_sptr ArrayBoundedValidator<TYPE>::clone() const {
  return boost::make_shared<ArrayBoundedValidator<TYPE>>(*this);
}

/**
 * Accessor for the stored BoundedValidator
 * @return a pointer to the stored BoundedValidator
 */
template <typename TYPE>
boost::shared_ptr<BoundedValidator<TYPE>>
ArrayBoundedValidator<TYPE>::getValidator() const {
  return this->boundVal;
}

/**
 * Function that actually does the work of checking the validity of the
 * array elements.
 * @param value :: the array to be checked
 * @return a listing of the indicies that fail the bounds checks
 */
template <typename TYPE>
std::string ArrayBoundedValidator<TYPE>::checkValidity(
    const std::vector<TYPE> &value) const {
  // declare a class that can do conversions to string
  std::ostringstream error;
  // load in the "no error" condition
  error << "";
  typename std::vector<TYPE>::const_iterator it;
  std::size_t index = 0;
  for (it = value.begin(); it != value.end(); ++it) {
    std::string retval = this->boundVal->isValid(*it);
    if (!retval.empty()) {
      error << "At index " << index << ": " << retval;
    }
    index++;
  }

  return error.str();
}

template <typename TYPE> bool ArrayBoundedValidator<TYPE>::hasLower() const {
  return this->boundVal->hasLower();
}

template <typename TYPE> bool ArrayBoundedValidator<TYPE>::hasUpper() const {
  return this->boundVal->hasUpper();
}

template <typename TYPE>
const TYPE &ArrayBoundedValidator<TYPE>::lower() const {
  return this->boundVal->lower();
}

template <typename TYPE>
const TYPE &ArrayBoundedValidator<TYPE>::upper() const {
  return this->boundVal->upper();
}

template <typename TYPE>
void ArrayBoundedValidator<TYPE>::setLower(const TYPE &value) {
  this->boundVal->setLower(value);
}

template <typename TYPE>
void ArrayBoundedValidator<TYPE>::setUpper(const TYPE &value) {
  this->boundVal->setUpper(value);
}

template <typename TYPE> void ArrayBoundedValidator<TYPE>::clearLower() {
  this->boundVal->clearLower();
}

template <typename TYPE> void ArrayBoundedValidator<TYPE>::clearUpper() {
  this->boundVal->clearUpper();
}

// Required explicit instantiations
template class ArrayBoundedValidator<double>;
template class ArrayBoundedValidator<int32_t>;
template class ArrayBoundedValidator<int64_t>;
#if defined(_WIN32) || defined(__clang__) && defined(__APPLE__)
template class ArrayBoundedValidator<long>;
#endif

} // Kernel
} // Mantid