class Message {
    timer;

    constructor() {
        this.div = $('<div id="div-message"></div>');
        this.div.css({
            "position": "absolute",
            "top": "10px",
            "right": "20px",
            "z-index": "1000"
        });

        $('body').append(this.div);
    }

    success(message, delay = 6000) {
        this.print(message, delay, '#52b818', '#bffdc0');
    }

    warning(message, delay = 6000) {
        this.print(message, delay, '#b8ae18', '#f8fdbf');
    }

    error(message, delay = 6000) {
        this.print(message, delay, '#b96161', '#fddede');
    }

    print = function(message, delay, border, background) {
        if (delay < 6000) delay = 6000;
        let Timer = function(callback, delay) {
            let timerId, start, remaining = delay;
        
            this.pause = function() {
                clearTimeout(timerId);
                remaining -= new Date() - start;
            };
        
            this.resume = function() {
                start = new Date();
                clearTimeout(timerId);
                timerId = setTimeout(callback, remaining);
            };
        
            this.dead = function() {
                clearTimeout(timerId);
            };
        
            this.resume();
        }

        let newMessage = $(`<div class="message">${message}</div>`);

        newMessage.css({
            "border": `1px solid ${border}`,
            "background-color": `${background}`,
            "color": "#333",
            "padding": "10px 30px",
            "text-align": "center",
            "display": "none",
            "margin": "10px 0 0 0",
            "width": "350px",
            "opacity": "1",
            "cursor": "pointer"
        });

        newMessage.hover(function(){
            $(this).css({
                "opacity": "1"
            });
        }, function(){
            $(this).css({
                "opacity": "0.3"
            });
        });

        this.div.append(newMessage);

        let opacityTimeout = setTimeout(function() {
            newMessage.fadeTo(1000, 0.3);
        }, 2500);

        newMessage.fadeIn(500).mouseenter(() => {
            clearTimeout(opacityTimeout);
            this.timer.pause();
        }).mouseleave(() => {
            this.timer.resume();
        }).click(() => {
            this.timer.dead();
            newMessage.fadeOut(0, function(){
                this.remove();
            });
        });

        this.timer = new Timer(() => {
            newMessage.fadeOut(500, function(){
                this.remove();
            });
        }, delay);
    }
}