// ==UserScript==
// @name         🔐 密码填充
// @namespace    https://ez118.github.io/
// @version      0.1
// @description  为Via设计的第三方密码自动保存/填充工具
// @author       ZZY_WISU
// @match        *://*/*
// @license      GPLv3
// @icon         data:image/svg+xml;charset=utf-8;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgLTk2MCA5NjAgOTYwIj4KICA8cGF0aCBmaWxsPSIjODg4IiBkPSJNMTYwLTQ0MHEtNTAgMC04NS0zNXQtMzUtODVxMC01MCAzNS04NXQ4NS0zNXE1MCAwIDg1IDM1dDM1IDg1cTAgNTAtMzUgODV0LTg1IDM1Wk04MC0yMDB2LTgwaDgwMHY4MEg4MFptNDAwLTI0MHEtNTAgMC04NS0zNXQtMzUtODVxMC01MCAzNS04NXQ4NS0zNXE1MCAwIDg1IDM1dDM1IDg1cTAgNTAtMzUgODV0LTg1IDM1Wm0zMjAgMHEtNTAgMC04NS0zNXQtMzUtODVxMC01MCAzNS04NXQ4NS0zNXE1MCAwIDg1IDM1dDM1IDg1cTAgNTAtMzUgODV0LTg1IDM1WiI+PC9wYXRoPgo8L3N2Zz4=
// @run-at       document-end
// @grant        GM_registerMenuCommand
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// @require      https://unpkg.com/jquery@3.7.1/dist/jquery.min.js
// @downloadURL none
// ==/UserScript==



/* =====[ 用户自定义 ]===== */

var savedAccount = [];



/* =====[ 变量存储 ]===== */

const ICONS = {
    'del': '<svg viewBox="0 0 24 24" width="20px" height="20px"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"></path></svg>'
};



/* ====================== */
function hash(str) {
    let hash = 5381;
    for (let i = 0; i < str.length; i++) {
        hash = (hash * 33) ^ str.charCodeAt(i);
    }
    return hash >>> 0;
}

function getHost() {
    return window.location.host;
}

function isLoginPage() {
    let forms = document.getElementsByTagName("form");
    let isLogin = false;
    let formPosition = {x: 0, y: 0};
    let formobj = null;

    Array.prototype.forEach.call(forms, (form) => {
        let hasTextInput = false;
        let hasPasswordInput = false;

        // 获取所有 input 元素
        let inputs = form.getElementsByTagName("input");

        // 检查每个 input 的类型
        Array.prototype.forEach.call(inputs, (input) => {
            if (input.type === "text") {
                hasTextInput = true;
            } else if (input.type === "password") {
                hasPasswordInput = true;
            }
        });

        // 如果同时存在 text 和 password 类型的输入框，认为是登录页面
        if (hasTextInput && hasPasswordInput) {
            isLogin = true;

            let rectData = form.getClientRects()[0];
            formPosition.x = rectData.left + rectData.width / 2 - 150;
            formPosition.y = rectData.top + rectData.height - 15;

            formobj = form;
        }
    });

    return { isLogin, x: formPosition.x, y: formPosition.y, obj: formobj };
}

function getFormData(ele){
    let inputs = ele.getElementsByTagName("input");
    let usr = null;
    let psw = null;

    // 检查每个 input 的类型
    Array.prototype.forEach.call(inputs, (input) => {
        if (input.type === "text" && !usr) {
            usr = input.value;
        } else if (input.type === "password" && !psw) {
            psw = input.value;
        }
    });

    return {password:psw, username:usr};
}


function findByKeyValue(array, key, value) {
    /* 在JSON中，以键值匹配项 */
    return array.findIndex(item => item[key] === value);
}

function showPswMgr() {
    if($("#userscript-pswmgrDlg").length > 0) { return; }

    let newAccountList = savedAccount;
    let origAccountList = savedAccount.slice();

    var $optDlg = $('<div>', {
        class: 'userscript-pswmgrDlg',
        id: 'userscript-pswmgrDlg',
        style: 'display:none;'
    }).appendTo('body');

    $optDlg.hide();
    $optDlg.fadeIn(100);

    var listHtml = '';
    $.each(newAccountList, (index, item) => {
        listHtml += `
            <div class="list-item" acid="${item.id}">
                <p class="item-title">${item.username} - ${item.password}</p>
                <p class="item-delbtn" acid="${item.id}" title="移除">${ICONS.del}</p>
            </div>`;
    });

    $optDlg.html(`
        <div style="height:fit-content; max-height:calc(80vh - 60px); overflow-x:hidden; overflow-y:auto;">
            <h3>管理</h3>
            <div style="height:fit-content; margin:5px;">
                <p class="subtitle">已保存的密钥：</p>
                ` + listHtml + `
            </div>
        </div>
        <div align="right">
            <input type="button" value="取消" class="ctrlbtn" id="userscript-cancelBtn">
            <input type="button" value="保存" class="ctrlbtn" id="userscript-saveBtn">
        </div>
    `);

    $(document).on('click', '.list-item>.item-delbtn', function(e) {
        let acid = $(e.target).parent().attr("acid");
        const index = findByKeyValue(newAccountList, 'id', acid);
        if (index !== -1) {
            newAccountList.splice(index, 1);
            $(`.list-item[acid="${acid}"]`).remove();
        }
    });

    $(document).on('click', '#userscript-cancelBtn', function(e) {
        /* 取消按钮 */
        newAccountList = origAccountList;

        $(document).off('click', '#userscript-saveBtn')
        $(document).off('click', '.list-item>.item-delbtn');

        let $optDlg = $("#userscript-pswmgrDlg");
        $optDlg.fadeOut(100);
        setTimeout(() => {
            $optDlg.remove();

            $(document).off('click', '#userscript-cancelBtn');

            location.reload();
        }, 110);
    });

    $(document).on('click', '#userscript-saveBtn', function(e) {
        /* 保存按钮 */
        GM_setValue('savedAccount', newAccountList);
        alert("【已保存】请刷新页面以应用更改");

        $(document).off('click', '#userscript-cancelBtn');
        $(document).off('click', '.list-item>.item-delbtn');

        let $optDlg = $("#userscript-pswmgrDlg");
        $optDlg.fadeOut(100);
        setTimeout(() => {
            $optDlg.remove();

            $(document).off('click', '#userscript-saveBtn');
        }, 110);
    });
}


function initEle(cx, cy) {
    // 创建搜索栏元素并添加到页面
    var $quickFill = $('<div>', {
        class: 'userscript-quickFill',
        id: 'userscript-quickFill'
    }).appendTo('body');

    let html = '';
    const host = getHost();
    $.each(savedAccount, (index, item) => {
        if(item.host == host) {
            html += `<div class="item" acid="${item.id}">${item.username}</div>`;
        }
    })

    // HTML 内容并插入到快速栏
    $quickFill.append(`
        <font color="#333333" size="small">&nbsp;保存的密码:</font>
        ${html}
        <div class="hideBtn">[隐藏]</div>
    `);

    $("#userscript-quickFill")
        .css("left", cx + "px")
        .css("top", cy + "px");

    // 添加点击事件监听器
    $(document).on('click', '#userscript-quickFill>.item', function(e) {
        var acid = $(e.target).attr("acid");
        alert(acid);
    });

    $(document).on('click', '#userscript-quickFill>.hideBtn', function(e) {
        $quickFill.hide();
    });
}


/* =====[ 菜单注册 ]===== */
var menu_mgr = GM_registerMenuCommand('⚙️ 管理密码', function () { showPswMgr(); }, 'o');


(function () {
    'use strict';

    if(GM_getValue('savedAccount') == null || GM_getValue('savedAccount') == "" || GM_getValue('savedAccount') == undefined){ GM_setValue('savedAccount', savedAccount); }
    else { savedAccount = GM_getValue('savedAccount'); }

    var websiteThemeColor = "#FFFFFFEE";
    var websiteFontColor = "#000";

    GM_addStyle(`
        body{ -webkit-appearance:none!important; }

        .userscript-quickFill{ user-select:none; background-color:` + websiteThemeColor + `; color:` + websiteFontColor + `; border:1px solid #99999999; padding:2px; font-size:12px; line-height:20px; width:180px; height:fit-content; position:absolute; display:flex; flex-direction:column; overflow:hidden auto; box-sizing:border-box; z-index:100000; font-family:"Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif; border-radius:5px; box-shadow:0px 0px 5px #666; }
        .userscript-quickFill>.item{ margin:1px 0px; border-radius:20px; padding:5px 9px; width:100%; flex-basis:fit-content; flex-shrink:0; cursor:pointer; background-color:transparent; box-sizing:border-box }
        .userscript-quickFill>.item:hover{ background-color:rgba(128, 128, 128, 0.05); }
        .userscript-quickFill>.hideBtn{ margin:1px 0px; padding:5px 9px; width:100%; flex-basis:fit-content; flex-shrink:0; color:` + websiteFontColor + `; opacity:0.6; font-size:12px; font-weight:bold; box-sizing:border-box; cursor:pointer; }

        .userscript-pswmgrDlg{ user-select:none; background-color:` + websiteThemeColor + `; color:` + websiteFontColor + `; border:1px solid #99999999; position:fixed; top:50%; height:fit-content; left:50%; transform:translateX(-50%) translateY(-50%); width:92vw; max-width:300px; max-height:92vh; padding:15px; border-radius:15px; box-sizing:initial; z-index:100000; box-shadow:0 1px 10px #00000088; font-family:"Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif; }
        .userscript-pswmgrDlg .ctrlbtn{ border:none; background-color:transparent; padding:8px; margin:0; color:#6d7fb4; cursor:pointer; overflow:hidden; }
        .userscript-pswmgrDlg h3{ margin:5px; margin-bottom:15px; font-size:24px; }
        .userscript-pswmgrDlg .subtitle{ margin:5px 1px; font-size:16px; font-weight:400; }

        .userscript-pswmgrDlg .list-item{ width:calc(100% - 10px); padding:10px 5px; margin:0; display:flex; flex-direction:row; vertical-align:middle; box-sizing:initial; }
        .userscript-pswmgrDlg .list-item:hover{ background-color:#55555555; }
        .userscript-pswmgrDlg .list-item>p{ padding:0; margin:0; font-size:16px; }
        .userscript-pswmgrDlg .list-item>.item-title{ flex-grow:1; margin-left:5px; }

        .userscript-pswmgrDlg .list-item>.item-delbtn{ cursor:pointer; width:25px; }
        .userscript-pswmgrDlg .list-item>.item-delbtn svg{ fill:` + websiteFontColor + `; height:100%; min-height:16px; }
    `);

    let judgeRes = isLoginPage();

    if(judgeRes.isLogin){
        /* 存储初始化 */
        console.log("【提示】检测到是满足要求的登录页面");
        initEle(judgeRes.x, judgeRes.y);

        $(document).on('submit', judgeRes.obj, () => {
            // 获取表单输入内容
            const formdata = getFormData(judgeRes.obj);
            const newdata = {
                "id": hash(getHost() + formdata.username + formdata.password).toString(),
                "host": getHost(),
                "username": formdata.username,
                "password": formdata.password
            };

            // 检查是否数据重复
            const oldidx = findByKeyValue(savedAccount, "host", newdata.host);
            if(oldidx !== -1 && savedAccount[oldidx] && savedAccount[oldidx].id == newdata.id) {
                return;
            }

            // 如果不是重复账号，则询问是否保存
            let res = window.confirm("【询问】是否保存账号？");
            if(res) {
                // 保存账户
                savedAccount.push(newdata);
                GM_setValue('savedAccount', savedAccount);

                alert("账号已保存！");
            }
        });
    }
})();