//
// php-armadillo/constants.cc
//
// @Author CismonX
//

#include "php_arma.hh"
#include "constants.hh"

#include <tuple>

namespace php_arma
{
    template <typename... Ts>
    zend_always_inline
    void const_declare(zend_class_entry *ce, Ts... constants)
    {
        for (auto &&[name, val] : { constants... }) {
            zend_declare_class_constant_long(ce, name, strlen(name), val);
        }
    }

    void constants_init()
    {
        const_declare(fill_ce           = abstract_class_register("Fill"),
            std::tuple("NONE",            fill::none),
            std::tuple("ZEROS",           fill::zeros),
            std::tuple("ONES",            fill::ones),
            std::tuple("EYE",             fill::eye),
            std::tuple("RANDU",           fill::randu),
            std::tuple("RANDN",           fill::randn)
        );
        const_declare(file_type_ce      = abstract_class_register("FileType"),
            std::tuple("AUTO_DETECT",     file_type::auto_detect),
            std::tuple("ARMA_BINARY",     file_type::arma_binary),
            std::tuple("ARMA_ASCII",      file_type::arma_ascii),
            std::tuple("RAW_BINARY",      file_type::raw_binary),
            std::tuple("RAW_ASCII",       file_type::raw_ascii),
            std::tuple("CSV_ASCII",       file_type::csv_ascii),
            std::tuple("COORD_ASCII",     file_type::coord_ascii),
            std::tuple("PGM_BINARY",      file_type::pgm_binary)
        );
        const_declare(sort_direction_ce = abstract_class_register("SortDirection"),
            std::tuple("ASCEND",          sort_direction::ascend),
            std::tuple("DESCEND",         sort_direction::descend),
            std::tuple("STRICT_ASCEND",   sort_direction::strict_ascend),
            std::tuple("STRICT_DESCEND",  sort_direction::strict_descend)
        );
    }
}