#include "sale.h"
#include "utils.h"

#include <numeric>

void Sale::addArticle(Article *articlePtr)
{
    articlePtr->setSale(this);
    m_articles.push_back(articlePtr);
}

ArticlesVec &Sale::getArticles() { return m_articles; }

void Sale::removeArticle(const Article *articlePtr)
{
    auto it = std::find(m_articles.begin(), m_articles.end(), articlePtr);

    if (it != m_articles.end()) {
        (*it)->setSale(nullptr);
        (*it)->setState(
            Article::State::DELETE); // since we only have ad-hoc articles, that have all been sold
        m_articles.erase(it);
    }
}

int Sale::sumInCents()
{
    int sum = std::accumulate(m_articles.begin(), m_articles.end(), 0,
                              [](int a, const Article *b) { return a + b->getPrice(); });
    return sum;
}

std::string Sale::sumAsString() { return formatCentAsEuroString(sumInCents()); }

std::string Sale::getTimestamp() const { return m_timestamp; }

void Sale::setTimestamp(const std::string &timestamp) { m_timestamp = timestamp; }

std::string Sale::getTimestampFormatted() const
{
    boost::posix_time::ptime time = boost::posix_time::from_iso_extended_string(m_timestamp);
    return boost::posix_time::to_simple_string(time);
}