/* Heap-allocation free & small memory footprint
 *   std::function alternative with limited capabilities.
 */ // example

/* Copyright (c) 2026 dyknon
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the " Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice
 * (including the next paragraph) shall be included in all copies
 * or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "thinfunc.h"

#include <print>
#include <string>
#include <ctime>

using namespace tf;

struct test{
    std::string name;
    test(std::string name): name(name){
        m1.bind<&test::m1, &test::message1>();
        m2.bind<&test::m2, &test::message2>();
        t.bind<&test::t, &test::time>();
    }

    anchor<test, void()> m1;
    anchor<test, void(std::string)> m2;
    anchor<test, std::string()> t;

    void message1(){
        std::println("hello! I'm {}.", name);
    }
    void message2(std::string time){
        std::println("Good {}! I'm {}.", time, name);
    }
    std::string time(){
        auto t = std::time(nullptr);
        t /= 60 * 60;
        t %= 24;
        if(t < 5){
            return "night";
        }else if(t < 12){
            return "morning";
        }else if(t < 18){
            return "afternoon";
        }else if(t < 20){
            return "evening";
        }else{
            return "night";
        }
    }
};

int main(){
    test o("a test object");
    func<void()>& m1 = o.m1.bound();
    func<void(std::string)>& m2 = o.m2.bound();
    func<std::string()>& t = o.t.bound<&test::t, &test::time>();

    m1();
    m2(t());

    return 0;
}