time.pat

#pragma once

#include <std/io.pat>
#include <std/time.pat>

/*!
    Types used to decode various different time formats
*/

namespace type {

    /**
        A 32 bit Unix time value
    */
    using time32_t = u32 [[format("type::impl::format_time_t")]];
    
    /**
        Alias name for `time32_t` 
    */
    using time_t = time32_t;

    /**
        A 64 bit Unix time value
    */
    using time64_t = u64 [[format("type::impl::format_time_t")]];

    /**
        A DOS Date value
    */
    using DOSDate = u16 [[format("type::impl::format_dosdate")]];

    /**
        A DOS Time value
    */
    using DOSTime = u16 [[format("type::impl::format_dostime")]];

    /**
        A 64bit FILETIME value
    */
    using FILETIME = u64 [[format("type::impl::format_filetime_as_unix")]];

    namespace impl {

        fn format_time_t(u128 value) {
            return std::time::format(std::time::to_utc(value));
        };

        fn format_dosdate(u16 value) {
            return std::time::format_dos_date(std::time::to_dos_date(value));
        };

        fn format_dostime(u16 value) {
            return std::time::format_dos_time(std::time::to_dos_time(value));
        };

        fn format_filetime_as_unix(u64 value) {
            return std::time::filetime_to_unix(value);
        };

    }

}