/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Span.cpp                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/09/19 08:07:10 by narnaud           #+#    #+#             */
/*   Updated: 2022/09/19 08:07:11 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Span.hpp"

Span::Span(unsigned int N) : _capacity(N) {}

Span::~Span() {}

Span::Span(Span const &sp) { *this = sp; }

Span &Span::operator=(Span const &sp) {
  if (this == &sp)
    return *this;
  _vec = sp._vec;
  _capacity = sp._capacity;
  return (*this);
}

void Span::addNumber(int const nb) {
  if (_vec.size() == _capacity)
    throw std::runtime_error("Too much number in span container.");
  _vec.push_back(nb);
}

unsigned int Span::shortestSpan() {
  std::vector<int>::iterator it;
  long ret;

  if (_vec.size() < 2)
    throw std::runtime_error("Not enought number to get shortest span.");
  sort(_vec.begin(), _vec.end());
  it = _vec.begin() + 1;
  ret = *it - *(it - 1);
  for (it = _vec.begin() + 2; it < _vec.end() && ret; it++)
    if (*it - *(it - 1) < ret)
      ret = *it - *(it - 1);
  return (ret);
}

unsigned int Span::longestSpan() {
  if (_vec.size() < 2)
    throw std::runtime_error("Not enought number to get shortest span.");
  sort(_vec.begin(), _vec.end());
  return (*(_vec.end() - 1) - *_vec.begin());
}

void Span::addNRandom(unsigned int N) {
  if (_vec.size() + N < _capacity)
    throw std::runtime_error("Too much number to add into span container.");
  srand((unsigned)time(NULL));
  for (unsigned int i = 0; i < N; i++)
    _vec.push_back((rand() - INT_MAX / 2) * 2);
}

void Span::addRange(std::vector<int>::iterator begin, std::vector<int>::iterator end) {
	if (_vec.size() + end - begin > _capacity)
		throw std::runtime_error("Container don't have enouth free space for range you want to add.");
	std::copy(begin, end, std::back_inserter(_vec));
}