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

#ifndef PHP_ARMA_CONSTANTS_HH
#define PHP_ARMA_CONSTANTS_HH

#include "php_arma.hh"

namespace php_arma
{
    struct fill
    {
        static constexpr auto none           = 0;
        static constexpr auto zeros          = 1;
        static constexpr auto ones           = 2;
        static constexpr auto eye            = 3;
        static constexpr auto randu          = 4;
        static constexpr auto randn          = 5;
    };

    struct file_type
    {
        static constexpr auto auto_detect    = 0;
        static constexpr auto arma_binary    = 1;
        static constexpr auto arma_ascii     = 2;
        static constexpr auto raw_binary     = 3;
        static constexpr auto raw_ascii      = 4;
        static constexpr auto csv_ascii      = 5;
        static constexpr auto coord_ascii    = 6;
        static constexpr auto pgm_binary     = 7;
        static constexpr auto hdf5_binary    = 8;
    };

    struct sort_direction
    {
        static constexpr auto ascend         = 0;
        static constexpr auto descend        = 1;
        static constexpr auto strict_ascend  = 2;
        static constexpr auto strict_descend = 3;
    };

    struct hdf5_opts
    {
        static constexpr auto trans          = 1u << 0;
        static constexpr auto append         = 1u << 1;
        static constexpr auto replace        = 1u << 2;
    };

    struct features
    {
#ifdef PHP_ARMA_OPERATORS
        static constexpr auto operators      = true;
#else
        static constexpr auto operators      = false;
#endif // PHP_ARMA_OPERATORS
    };

    void constants_init();

    constexpr const char fill_php_name[]           = "Fill";
    constexpr const char file_type_php_name[]      = "FileType";
    constexpr const char sort_direction_php_name[] = "SortDirection";
    constexpr const char hdf5_opts_php_name[]      = "HDF5Opts";
    constexpr const char features_php_name[]       = "Features";
    
    inline zend_class_entry *fill_ce;
    inline zend_class_entry *file_type_ce;
    inline zend_class_entry *sort_direction_ce;
    inline zend_class_entry *hdf5_opts_ce;
    inline zend_class_entry *features_ce;
}

#endif //!PHP_ARMA_CONSTANTS_HH