// ==UserScript==
// @name         文学社在看着你👀
// @namespace    https://world.xiaomawang.com/w/person/project/all/3267489
// @version      1.0
// @description  在你的浏览器上添加文学社所有女生的Q版形象
// @author       茶铭
// @match        *://*/*
// @icon           https://ddlc.moe/images/favicon.ico
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    const imageUrls = [
        "https://ddlc.moe/images/sticker_s.png",
        "https://ddlc.moe/images/sticker_y.png",
        "https://ddlc.moe/images/sticker_m.png",
        "https://ddlc.moe/images/sticker_n.png"
    ];

    const images = [];
    const imagePositions = [];

    function createImage(url, x) {
        const img = document.createElement('img');
        img.src = url;
        img.style.position = 'fixed';
        img.style.bottom = '0';
        img.style.left = `${x}px`;
        img.style.zIndex = '9999';
        document.body.appendChild(img);
        return img;
    }

    function jumpAnimation(img) {
        const jumpHeight = 70;
        const jumpDuration = Math.floor(Math.random() * 70) + 240; // 随机跳跃持续时间

        img.animate([
            { transform: 'translateY(0)', },
            { transform: `translateY(-${jumpHeight}px)`, },
            { transform: 'translateY(0)', }
        ], {
            duration: jumpDuration,
            easing: 'ease-in-out',
            iterations: 1
        });
    }

    function checkOverlap(x) {
        for (let i = 0; i < imagePositions.length; i++) {
            const position = imagePositions[i];
            if (Math.abs(x - position) <= 100) { // 根据图片宽度调整重叠阈值
                return true;
            }
        }
        return false;
    }

    function generateRandomX() {
        let x = Math.floor(Math.random() * (window.innerWidth - 100)); // 根据图片宽度调整
        while (checkOverlap(x)) {
            x = Math.floor(Math.random() * (window.innerWidth - 100));
        }
        return x;
    }

    function startJumpAnimation() {
        const randomIndex = Math.floor(Math.random() * images.length);
        jumpAnimation(images[randomIndex]);

        const randomInterval = Math.floor(Math.random() * 3000) + 3000; // 3~6 秒的间隔
        setTimeout(startJumpAnimation, randomInterval);
    }

    function toggleImagesVisibility() {
        images.forEach(img => {
            img.style.display = img.style.display === 'none' ? 'block' : 'none';
        });
    }

    window.addEventListener('load', () => {
        imageUrls.forEach((url, index) => {
            const x = generateRandomX();
            const img = createImage(url, x);
            images.push(img);
            imagePositions.push(x);
        });

        startJumpAnimation();

        document.addEventListener('keydown', event => {
            if (event.key === 'n' || event.key === 'N') {
                toggleImagesVisibility();
            }
        });
    });

})();