// ==UserScript==
// @name         rejectorder
// @namespace    https://scriptcat.org/zh-CN/script-show-page/3815
// @version      1.6
// @description  在'退货通知单'增加功能：历史旧价查询（按年份分页）、客户单号/备注重复单提醒，对外版本
// @author       fengxia
// @match        http://122.13.25.247:8888/sales/rejectBill.do
// @match        http://47.107.106.156:8888/sales/rejectBill.do
// @icon           data:image/svg+xml;base64,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
// @require      https://scriptcat.org/lib/513/2.1.0/ElementGetter.js
// @require      https://scriptcat.org/lib/637/1.4.6/ajaxHooker.js
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    // ===== 配置常量 =====
    const CONFIG = {
        panelWidth: 400,        // 历史旧价面板宽度(px)
        panelHeight: 470,       // 历史旧价面板高度(px)
        bodyHeight: 330,        // 年份表格区域高度(px)
        summaryHeight: 100,     // 底部汇总区域高度(px)
        dialogWidth: 1010,      // 原弹窗宽度，用于计算面板偏移
        leftRatio: 0.85,        // 原弹窗左移比例
        rightRatio: 0.15,       // 新面板 right 偏移比例
        startYearMin: 2022,     // 年份 tab 最早起始年
        yearSpan: 5,            // 年份 tab 跨度
        rows: 1000,             // 接口单页最大行数
        toastDurationMs: 3000,  // toast 提示自动消失时间（毫秒）
    };

    // 从当前地址提取服务器 IP，供接口请求使用；提取失败时回退到当前 origin
    const ipMatch = /(\b25[0-5]|\b2[0-4][0-9]|\b[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}/.exec(window.location.href);
    const BASE_URL = ipMatch
        ? `${window.location.protocol}//${ipMatch[0]}:${window.location.port || '8888'}`
        : window.location.origin;
    window.test = ipMatch ? ipMatch[0] : ''; // 兼容旧全局变量

    // ===== 权限校验配置 =====
    // 启动时先访问 CHECK_URL：命中无权限页面 / 请求失败 / 超时 → 禁用脚本全部功能
    const CHECK_URL = `${BASE_URL}/basefiles/showWorkJobPage.do`;
    const CHECK_TIMEOUT_MS = 5000;
    const NO_PERMISSION_KEYWORD = '无权限访问该页面';
    // 会话级缓存 key（区分服务器），一次登录会话只校验一次
    const CHECK_CACHE_KEY = `rejectorder_perm_${ipMatch ? ipMatch[0] : window.location.host}`;

    // ===== 通用工具 =====

    // HTML 转义，防止接口返回值注入页面
    function escapeHtml(value) {
        return String(value ?? '').replace(/[&<>"']/g, c => ({
            '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;',
        }[c]));
    }

    // 非阻塞提示，替代 alert
    function notify(msg) {
        console.warn('[rejectorder]', msg);
        const $toast = $('<div class="rejectorder-toast"></div>').text(msg).appendTo(document.body);
        setTimeout(() => $toast.fadeOut(500, () => $toast.remove()), CONFIG.toastDurationMs);
    }

    // 通用查询：POST 到指定接口并返回解析后的 JSON，失败时 reject
    async function postQuery(path, params) {
        const url = new URL(path, BASE_URL);
        for (const [key, value] of Object.entries(params)) {
            url.searchParams.set(key, Array.isArray(value) ? value.join(',') : String(value ?? ''));
        }
        const resp = await fetch(url, { method: 'POST' });
        if (!resp.ok) {
            throw new Error(`Error ${resp.status}: ${resp.statusText}`);
        }
        const text = await resp.text();
        try {
            return JSON.parse(text);
        } catch (err) {
            // 会话过期等场景下接口可能返回登录页 HTML
            throw new Error('响应不是有效 JSON，可能登录已过期');
        }
    }

    // 日期函数：传入年份返回该年区间，否则返回近 90 天区间
    function getIntervalDate(year) {
        const pad = n => String(n).padStart(2, '0');
        if (year) {
            return { start_date: `${year}-01-01`, end_date: `${year}-12-31` };
        }
        const date = new Date();
        const end_date = `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`;
        date.setDate(date.getDate() - 90);
        const start_date = `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`;
        return { start_date, end_date };
    }

    // ===== 历史旧价查询 =====

    // 根据出入库流水账获取退货单数据
    async function showCustomerSalesFlowList(customer, products, year) {
        const query_date = getIntervalDate(year);
        const data = await postQuery('/report/storage/showInOutFlowListData.do', {
            businessdate1: query_date.start_date,
            businessdate2: query_date.end_date,
            id: '',
            brandid: '',
            goodsid: products,
            billtype: ['1', '5'],
            supplierid: '',
            customerid: customer,
            storageid: '',
            customersort: '',
            audituserid: '',
            page: '1',
            rows: CONFIG.rows,
            sort: 'businessdate',
            order: 'desc',
        });
        return data.rows || [];
    }

    // 通过查询订单追踪明细表获取订单数据（当前未启用，保留备用）
    async function showSalesOrderTrackReportData(customer, products, year) {
        const query_date = getIntervalDate(year);
        const data = await postQuery('/report/sales/showSalesOrderTrackReportData.do', {
            businessdate1: query_date.start_date,
            businessdate2: query_date.end_date,
            id: '',
            brandid: '',
            goodsid: products,
            customerid: customer,
            checkstatus: '',
            salesuser: '',
            pcustomerid: '',
            indooruserid: '',
            sourceid: '',
            goodssort: '',
            page: '1',
            rows: CONFIG.rows,
            sort: 'businessdate',
            order: 'asc',
        });
        return data.rows || [];
    }

    // 把流水数据转换为展示用列表
    function transformFlowRows(rows) {
        return rows.map(row => ({
            goodsid: row.goodsid,
            date: row.businessdate,
            unitnum: Number(row.enternum) === 0 ? Number(row.outnum) : Number(row.enternum) * -1,
            price: row.price,
        }));
    }

    // 渲染历史旧价表格与单价汇总
    function renderHistoryPrice(list_order, products) {
        const bodyRows = list_order.length
            ? list_order.map((item, i) => `
<tr class="${i % 2 === 1 ? 'datagrid-row-alt datagrid-row' : 'datagrid-row'}">
<td class="len100">${escapeHtml(item.goodsid)}</td>
<td class="len120">${escapeHtml(item.date)}</td>
<td class="len100">${escapeHtml(item.unitnum)}</td>
<td class="len100">${escapeHtml(item.price)}</td>
</tr>`).join('')
            : `<tr><td colspan="4">${escapeHtml(products)}无销售</td></tr>`;
        const table_html = `<table cellpadding="0" cellspacing="0">
<tbody>
<tr class="datagrid-header-row">
<td class="len100">编码</td>
<td class="len100">日期</td>
<td class="len100">数量</td>
<td class="len100">单价</td>
</tr>
</tbody></table>
<table cellpadding="0" cellspacing="0">
<tbody>${bodyRows}</tbody></table>`;
        return { table_html, summary_html: buildSummaryHtml(list_order) };
    }

    // 按单价分组汇总数量
    function buildSummaryHtml(list_order) {
        const amountGroups = {};
        list_order.forEach(item => {
            const amount = Number(item.price);
            amountGroups[amount] = (amountGroups[amount] || 0) + Number(item.unitnum);
        });
        return Object.entries(amountGroups)
            .map(([amount, totalQuantity]) =>
                `单价 ${escapeHtml(amount)}: 数量总和 = ${escapeHtml(Math.round(totalQuantity * 100) / 100)}`)
            .join('<br>');
    }

    // 历史旧价查询缓存：以 客户+商品 为作用域，按年份缓存已查询的结果
    const historyCache = new Map(); // key: year -> list_order
    let historyCacheScope = '';     // 当前缓存对应的 客户+商品

    // 查询历史旧价：命中缓存直接渲染，否则 取数 -> 转换 -> 渲染
    async function queryHistoryPrice(customer, products, year) {
        const $panel = $(`.panel-body-noborder.layout-body.${year}`);
        // 商品或客户变更后旧数据不再适用，清空缓存重新查询
        const scope = `${customer}|${products}`;
        if (scope !== historyCacheScope) {
            historyCache.clear();
            historyCacheScope = scope;
        }
        const render = list_order => {
            const { table_html, summary_html } = renderHistoryPrice(list_order, products);
            $panel.html(table_html);
            $('#second_reject').html(summary_html ? `不同单价的数量总和:<br>${summary_html}` : '');
        };
        // 同一年份重复切换时直接使用缓存结果，不再请求服务器
        if (historyCache.has(year)) {
            render(historyCache.get(year));
            return;
        }
        $panel.html('<div class="rejectorder-loading">加载中...</div>');
        try {
            const returns_order = await showCustomerSalesFlowList(customer, products, year);
            const list_order = transformFlowRows(returns_order);
            historyCache.set(year, list_order);
            render(list_order);
        } catch (err) {
            $panel.html(`<div class="rejectorder-error">${escapeHtml(err.message)}</div>`);
        }
    }

    // 读取当前表单上下文并刷新历史旧价
    function refreshHistoryPrice() {
        const customer_id = $('#sales-customer-rejectBillAddPage-hidden').val();
        const products_id = $('#sales-goodsId-billDetailAddPage-hidden').val();
        const select_year = $('.new_div .tabs-selected span').first().html();
        if (!products_id) return;
        queryHistoryPrice(customer_id, products_id, (select_year || '').trim());
    }

    // ===== 历史旧价窗口 =====

    // 注入面板样式（抽离自原内联 style）
    function injectStyles() {
        const css = `
.new_div{z-index:9999;position:absolute;display:block;width:${CONFIG.panelWidth}px;height:${CONFIG.panelHeight}px;background-color:#ffffff;}
.new_div .tabs-wrap{margin-left:0;margin-right:0;width:${CONFIG.panelWidth}px;}
.new_div .tabs{height:27px;}
.new_div .tabs-inner{height:26px;line-height:26px;}
.new_div .layout-body{width:${CONFIG.panelWidth}px;height:${CONFIG.bodyHeight}px;display:none;overflow:auto;}
.second_div{z-index:9998;position:absolute;display:block;width:${CONFIG.panelWidth}px;left:0;bottom:0;background-color:#ffffff;}
.second_div .panel-body{width:${CONFIG.panelWidth}px;height:${CONFIG.summaryHeight}px;display:block;}
.rejectorder-toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:99999;background:#333;color:#fff;padding:8px 16px;border-radius:4px;max-width:60%;}
.rejectorder-loading,.rejectorder-error{padding:10px;color:#666;}
.rejectorder-error{color:#c00;}`;
        $('<style>').text(css).appendTo(document.head);
    }

    // 添加历史旧价查询窗口
    function bindHistoryDialog() {
        elmGetter.each('#sales-dialog-rejectBillAddPage-content', document, () => {
            const targetDiv = $('div.panel.window').filter("[style*='display: block;']");
            const targetShadow = $('div.window-shadow').filter("[style*='display: block;']");
            const div_top = targetDiv.css('top');
            const div_num = $('div.window-mask').width() - CONFIG.dialogWidth;
            const newLeft = div_num * CONFIG.leftRatio + 'px';
            targetDiv.css('left', newLeft);
            targetShadow.css('left', newLeft);

            // 生成年份 tab 与对应表格区域
            const currentYear = new Date().getFullYear();
            const startYear = Math.max(currentYear - CONFIG.yearSpan, CONFIG.startYearMin);
            let tab_div = '';
            let table_div = '';
            for (let year = startYear; year <= currentYear; year++) {
                let liClass = '';
                let divstyle = 'display: none';
                if (year === startYear) {
                    liClass += 'tabs-last'; // 第一个 tab
                }
                if (year === currentYear) {
                    liClass += ' tabs-first tabs-selected'; // 默认选中当前年
                    divstyle = 'display: block';
                }
                tab_div += `<li class="${liClass} ${year}"><a href="javascript:void(0)" class="tabs-inner"><span class="tabs-title tabs-closable">${year}</span><span class="tabs-icon"></span></a></li>`;
                table_div += `<div data-options="region:'center',border:false" title="" class="panel-body panel-body-noheader panel-body-noborder layout-body ${year}" style="${divstyle};"></div>`;
            }

            const newDiv = `
<div class="new_div" style="right:${div_num * CONFIG.rightRatio}px;top:${div_top};">
<div class="tabs-wrap"><ul class="tabs">${tab_div}</ul></div>
${table_div}
<div class="second_div"><div id="second_reject" data-options="region:'center',border:false" title="" class="panel-body panel-body-noheader panel-body-noborder" style="display:block;"></div></div>
</div>`;
            targetDiv.before(newDiv);

            // 关闭原弹窗时同步移除新面板
            targetDiv.find('.panel-tool-close').on('click', () => {
                $('.new_div, .second_div').remove();
            });

            // 年份 tab 切换
            $('.new_div .tabs li').on('click', function () {
                if ($(this).hasClass('tabs-selected')) return;
                const index = $(this).index();
                const div_table = $('.new_div .panel-body-noborder.layout-body');
                div_table.css('display', 'none');
                div_table.eq(index).css('display', 'block');
                $('.new_div .tabs li').removeClass('tabs-selected');
                $(this).addClass('tabs-selected');
                refreshHistoryPrice();
            });
            return true;
        });
    }

    // ===== 重复单号查询 =====

    // 客户单号/备注变更时触发重复单查询
    function addListenerOutOrder(out_order, model) {
        const customer = document.querySelector('#sales-customer-showid-dispatchBillAddPage');
        if (out_order.value && customer) {
            queryOutOrder(customer.innerText.slice(3), out_order.value, model);
        }
    }

    // 查询退货单号重复并提醒
    async function queryOutOrder(customer, order_id, model) {
        const field = model === 'remark' ? 'remark' : model === 'sourceid' ? 'sourceid' : '';
        if (!field) return;
        // 用 JSON.stringify 构造查询规则，避免用户输入破坏 JSON 结构
        const queryRules = JSON.stringify({ rules: [{ field, op: 'like', value: order_id }], op: 'or' });
        try {
            const data = await postQuery('/sales/getRejectBillList.do', {
                queryRules,
                orderRules: '[]',
                page: '1',
                rows: CONFIG.rows,
                sort: 'addtime',
                order: 'desc',
            });
            if (data.total > 0 && Array.isArray(data.rows) && data.rows.length) {
                const orderNo = data.rows.map(row => row.id).join(',');
                notify(`有重复单，单号为${orderNo}`);
            }
        } catch (err) {
            notify(`重复单查询失败：${err.message}`);
        }
    }

    // ===== 权限校验 =====

    // 脚本总开关：默认 false（fail-closed），仅校验通过后才置 true
    let scriptEnabled = false;

    // GET 原始文本（带超时），用于权限校验
    function fetchRawText(url, timeoutMs) {
        return new Promise((resolve, reject) => {
            const xhr = new XMLHttpRequest();
            xhr.open('GET', url);
            xhr.timeout = timeoutMs;
            xhr.onload = () => resolve({ status: xhr.status, text: xhr.responseText });
            xhr.onerror = () => reject(new Error('网络错误'));
            xhr.ontimeout = () => reject(new Error('请求超时'));
            xhr.send();
        });
    }

    // 权限校验：命中无权限页面 / 请求失败 / 超时 → false（禁用）；通过后缓存，一次登录只请求一次
    async function checkPermission() {
        if (sessionStorage.getItem(CHECK_CACHE_KEY) === '1') return true;
        try {
            const { status, text } = await fetchRawText(CHECK_URL, CHECK_TIMEOUT_MS);
            if (status === 200 && !text.includes(NO_PERMISSION_KEYWORD)) {
                sessionStorage.setItem(CHECK_CACHE_KEY, '1');   // 仅缓存“通过”结果
                return true;
            }
            return false;   // 命中无权限页面
        } catch (err) {
            console.error('[rejectorder] 权限校验失败，默认禁用:', err.message);
            return false;   // 失败/超时不缓存，下次访问自动重试
        }
    }

    // ===== 初始化 =====

    function findAndBindEvents() {
        // 给新增销售退货单的客户单号元素添加重复订单查询监听
        elmGetter.each('#sales-sourceid-rejectBillAddPage', document, order => {
            order.addEventListener('change', () => addListenerOutOrder(order, 'sourceid'), true);
            return true;
        });

        // 给新增销售退货单的备注元素添加重复订单查询监听
        elmGetter.each('#sales-billremark-rejectBillAddPage', document, order => {
            order.addEventListener('change', () => addListenerOutOrder(order, 'remark'), true);
            return true;
        });

        bindHistoryDialog();
    }

    injectStyles();

    // 启动：先校验权限，通过后才启用功能（失败/超时/无权限则全部禁用）
    (async function init() {
        scriptEnabled = await checkPermission();
        if (!scriptEnabled) {
            console.warn('[rejectorder] 无权限或校验未通过，脚本所有功能已禁用');
            return;
        }
        findAndBindEvents();
    })();

    // 拦截商品明细查询，选中商品后自动刷新历史旧价
    ajaxHooker.hook(request => {
        if (!scriptEnabled) return;   // 未通过权限校验：不拦截、不刷新
        if (request.url === 'sales/getGoodsDetail.do') {
            request.response = res => {
                let products_id;
                try {
                    products_id = JSON.parse(res.responseText).detail.goodsInfo.id;
                } catch (err) {
                    console.warn('[rejectorder] 商品明细解析失败:', err);
                    return; // 解析失败时不再发起无效查询
                }
                if (!products_id) return;
                const customer_id = $('#sales-customer-rejectBillAddPage-hidden').val();
                const select_year = $('.new_div .tabs-selected span').first().html();
                queryHistoryPrice(customer_id, products_id, (select_year || '').trim());
            };
        }
    });
})();