$(function () {
    $(window).scroll(function () {
        let wt = $(window).scrollTop();
        if (wt > $("header").height() + 200) {
            $(".back").fadeIn(500);
        } else {
            $(".back").fadeOut(500);
        }
    });
    $(".side_bar .back").click(() => {
        $(window).stop().scrollTop(0);
    })
    function toggle() {
        $(".common ul li").click(function () {
            $(this).addClass("sel").siblings().removeClass("sel");
        })
    }
    toggle();
    $(window).scroll(function (e) {
        $(".item").each(function (i, ele) {
            if ($(document).scrollTop() >= $(ele).offset().top - 71) {
                $(".page_nav ul li").eq(i).addClass("onc").siblings().removeClass("onc");
            }
        })
    })
    $(".page_nav ul li").click(function () {
        let current = $(".item").eq($(this).index()).offset().top - 70;
        $("body,html").stop().animate({
            scrollTop: current
        }, 1)
    })

})
async function handleCopy(event, place = 'random', msg = '颜值20') {
    if (place == 'random') {
        function insertStringRandomly(mainStr, strToInsert) {
            console.log(mainStr, strToInsert);
            let result = [];
            let index = 0;
            let od = 0;
            let newStrToInsert = strToInsert.split("");
            let newMainStr = mainStr.split("");
            while (od <= newMainStr.length) {
                result.push(newMainStr[od]);
                if (index <= newStrToInsert.length) {
                    if (Math.random() > 0.8) {
                        result.push(newStrToInsert[index]);
                        index++;
                    }
                }
                od++;
            };
            return result.join('');
        }
        try {
            let text = window.getSelection().toString();
            let newText = insertStringRandomly(text, msg);
            newText += " " + location.href;
            navigator.clipboard.writeText(newText);
        } catch (error) {
            navigator.clipboard.writeText("");
        }
        return;
    }
    try {
        let text = window.getSelection().toString();
        let newText = place == 'start' ? msg + text + " " + location.href : text + " " + msg + " " + location.href;
        navigator.clipboard.writeText(newText);
    } catch (error) {
        navigator.clipboard.writeText("");
    }
}
//document.addEventListener('copy', handleCopy);
//document.addEventListener('contextmenu', function (e) {
//    e.preventDefault();
//});
//document.addEventListener('keydown', function (e) {
//    if (e.key == 'F12') {
//        e.preventDefault();
//    }
//});