#include "scrabble_score.h"

#include <algorithm>
#include <unordered_map>


namespace scrabble_score {

using namespace std;

namespace {

const unordered_map<char, int> scores_map = {
         {'A', 1}, {'E', 1}, {'I', 1}, {'O', 1}, {'U', 1},
         {'L', 1}, {'N', 1}, {'R', 1}, {'S', 1}, {'T', 1},
         {'D', 2}, {'G', 2},
         {'B', 3}, {'C', 3}, {'M', 3}, {'P', 3},
         {'F', 4}, {'H', 4}, {'V', 4}, {'W', 4}, {'Y', 4},
         {'K', 5},
         {'J', 8}, {'X', 8},
        {'Q', 10}, {'Z', 10}
    };
}

int score(const string &input)
{
    return accumulate(input.cbegin(), input.cend(), 0,
            [](int acc, char ch) {

                return acc + scores_map.at(toupper(ch));
            });
};

}