#include "menu.hpp"
#include <sstream>

void LunchRest::Menu::addMeal(bool soup, const std::string &name, const std::string &desc, int price) {
    _meals.emplace_back(soup, name, desc, price);
}

void LunchRest::Menu::addMeal(const LunchRest::Meal &meal) {
    _meals.push_back(meal);
}

bool LunchRest::Menu::hasSoup() const {
    bool ret = false;
    for(auto &x : _meals) {
        ret |= x.isSoup();
    }
    return ret;
}

LunchRest::Meal LunchRest::Menu::getSoup() const {
    for(auto &x : _meals) {
        if(x.isSoup())
            return x;
    }
    return Meal(true, "", "", 0);
}

std::vector<LunchRest::Meal> LunchRest::Menu::getNonSoupMeals() {
    std::vector<Meal> ret{};
    for(auto &x : _meals) {
        if(!x.isSoup())
            ret.push_back(x);
    }
    return ret;
}

const std::vector<LunchRest::Meal> &LunchRest::Menu::getMeals() const {
    return _meals;
}

unsigned long int LunchRest::Menu::getSoupIndex() const {
    for(unsigned long int i = 0; i < _meals.size(); i++) {
        if(_meals[i].isSoup())
            return i;
    }
    return -1;
}

void LunchRest::Menu::setInvalidMenu(bool invalid) {
    _valid = !invalid;
}

bool LunchRest::Menu::isValid() const {
    return _valid;
}

std::string LunchRest::Menu::jsonify() const {
    if(!isValid())
        return "{\"day\": \"" + getDay() + "\", \"meals\": []}";
    std::stringstream ss{};
    ss << "{\"day\": \"" << getDay() << "\", \"meals\": [";
    auto soupInd = getSoupIndex();
    if(soupInd != (unsigned long int)-1)
        ss << getMeals()[soupInd].jsonify() << ",";
    for(unsigned long int i = 0; i < getMeals().size(); i++) {
        if(i != soupInd)
            ss << getMeals()[i].jsonify() << ",";
    }
    if(getMeals().size() > 0)
        ss.seekp(-1, ss.cur);
    ss << "]}";
    return ss.str();
}

void LunchRest::Menu::setDay(const std::string &day) {
    _day = day;
}

const std::string &LunchRest::Menu::getDay() const {
    return _day;
}