/**
 * Knowledge-payment order center interactions.
 *
 * @package AKSRT
 */
(function () {
    "use strict";

    var instances = new WeakMap();
    var liveStates = [];

	function request(path, body, method, operationKey) {
        var options = { method: method || "POST" };
        if (body !== undefined) options.body = JSON.stringify(body || {});
		if (operationKey) options.headers = { "Idempotency-Key": operationKey };
        return window.AksrtRequest.request(path, options);
    }

    function orderPath(orderNumber, suffix) {
        return "/orders/" + encodeURIComponent(orderNumber || "") + (suffix || "");
    }

    function errorMessage(error, fallback) {
        if (error && error.message) return String(error.message);
        return fallback || "请求失败";
    }

    function escapeHtml(value) {
        return String(value == null ? "" : value)
            .replace(/&/g, "&amp;").replace(/</g, "&lt;")
            .replace(/>/g, "&gt;").replace(/\"/g, "&quot;")
            .replace(/'/g, "&#39;");
    }

	function formatMoney(order) {
		var raw = String(order && order.amount != null ? order.amount : "0");
		if (order && order.is_points) {
			return escapeHtml(order.currency_symbol || "积分") + " " + (/^\d+$/.test(raw) ? raw : "0");
		}
		var match = /^(0|[1-9]\d*)(?:\.(\d{1,2}))?$/.exec(raw);
		var amount = match ? match[1] + "." + (match[2] || "").padEnd(2, "0") : "0.00";
		return "¥" + amount;
	}

    function orderTag(orderNumber) {
        return "order:" + String(orderNumber || "").toLowerCase();
    }

    function invalidateOrder(orderNumber, order) {
        var tags = order && Array.isArray(order.invalidation_tags) ? order.invalidation_tags : [
            "orders",
            orderTag(orderNumber),
        ];
        window.AksrtModalRuntime.invalidate(tags);
    }

    function activeDetail(state, number) {
        return state.detailOrderNumber === number
            && !!state.detailSession
            && !state.detailSession.closed
            && state.detailSession.options
            && state.detailSession.options.kind === "orders"
            && window.AksrtModalRuntime.getActive() === state.detailSession.shell;
    }

    function detailSkeleton() {
        return '<div class="aksrt-order-detail__skeleton" aria-live="polite" aria-busy="true">' +
            '<span class="aksrt-modal-runtime__skeleton-line is-wide"></span>' +
            '<span class="aksrt-modal-runtime__skeleton-line"></span>' +
            '<span class="aksrt-modal-runtime__skeleton-block"></span>' +
            '</div>';
    }

    function statusMeta(status) {
        var map = {
            pending: { icon: "fa-clock", desc: "订单已生成，请在有效期内完成支付" },
            paid: { icon: "fa-check-circle", desc: "支付已完成，相关权益已发放至账户" },
            refunded: { icon: "fa-undo-alt", desc: "退款已完成，款项将原路退回" },
            closed: { icon: "fa-times-circle", desc: "订单已关闭，如有需要可重新下单" },
        };
        return map[status] || map.closed;
    }

    function amountCaption(status) {
        if (status === "pending") return "应付款";
        if (status === "closed") return "订单金额";
        return "实付款";
    }

    function paymentMethodText(order) {
        var method = order && order.payment_method ? order.payment_method : {};
        // 卡密核销不是真实收银渠道，直接回退的原始 key 对用户没有意义。
        if (method.value === "card_pass") return "卡密核销";
        return String(method.label || "");
    }

    function detailRow(label, value, copyable) {
        var text = value == null ? "" : String(value);
        var cell = '<span class="aksrt-order-detail__value-text' + (copyable ? " is-mono" : "") + '">' +
            escapeHtml(text || "—") + "</span>";
        if (copyable && text !== "") {
            cell += '<button class="aksrt-order-detail__copy" type="button" data-aksrt-order-copy="' +
                escapeHtml(text) + '" aria-label="复制' + escapeHtml(label) + '" title="复制' + escapeHtml(label) + '">' +
                '<i class="fa fas fa-copy" aria-hidden="true"></i></button>';
        }
        return "<div><dt>" + escapeHtml(label) + "</dt><dd>" + cell + "</dd></div>";
    }

    function gatewayResultText(value) {
        if (!value) return "";
        var result = value;
        if (typeof value === "string") {
            try { result = JSON.parse(value); } catch (_) { return String(value); }
        }
        if (!result || typeof result !== "object") return String(result);
        var labels = { succeeded: "退款成功", failed: "渠道明确拒绝", pending: "渠道处理中", unknown: "结果待确认" };
        var parts = [];
        if (result.status) parts.push(labels[String(result.status)] || String(result.status));
        if (result.message) parts.push(String(result.message));
        if (result.refund_id) parts.push("退款单号 " + String(result.refund_id));
        return parts.join(" · ") || "渠道暂未提供可读结果";
    }

    function afterSaleAmount(value, order) {
        var amount = String(value == null ? "" : value);
        return order && order.is_points ? amount + " " + String(order.currency_symbol || "积分") : "¥" + amount;
    }

    function renderDetail(state, order, session) {
        var allowedActions = order.allowed_actions || {};
        var reconciliation = order.reconciliation || {};
        var paymentMethod = order.payment_method || {};
        var image = order.image || "";
        var title = order.product_name || "订单";
        var status = order.status_group || "closed";
        var meta = statusMeta(status);
        var timeLeft = Number(order.time_left || 0);
        var html = "";

        // 状态横幅：整块配色只由 --hero-accent 驱动，换状态只改一处变量。
        html += '<section class="aksrt-order-detail__hero is-' + escapeHtml(status) + '">';
        html += '<span class="aksrt-order-detail__hero-icon" aria-hidden="true"><i class="fa fas ' + meta.icon + '"></i></span>';
        html += '<div class="aksrt-order-detail__hero-copy">';
        html += '<strong class="aksrt-order-detail__status">' + escapeHtml(order.status_label || "") + "</strong>";
        html += '<p class="aksrt-order-detail__desc">' + escapeHtml(meta.desc) + "</p>";
        if (status === "pending" && timeLeft > 0) {
            html += '<span class="aksrt-order-detail__countdown" data-aksrt-order-countdown="' + timeLeft + '">剩余支付时间 ' + timeLeft + " 秒</span>";
        }
        html += "</div>";
        html += '<div class="aksrt-order-detail__hero-amount"><strong>' + formatMoney(order) + "</strong>";
        html += "<span>" + escapeHtml(amountCaption(status)) + "</span></div></section>";

        html += '<section class="aksrt-order-detail__group">';
        html += '<h4 class="aksrt-order-detail__group-title">商品信息</h4>';
        html += '<div class="aksrt-order-detail__product">';
        html += image
            ? '<img src="' + escapeHtml(image) + '" class="aksrt-order-detail__thumb" alt="">'
            : '<span class="aksrt-order-detail__thumb aksrt-order-detail__thumb--empty" aria-hidden="true"><i class="fa fas fa-book"></i></span>';
        html += '<div class="aksrt-order-detail__product-copy">';
        html += '<strong class="aksrt-order-detail__product-title">' + escapeHtml(title) + "</strong>";
        html += '<span class="aksrt-order-detail__product-meta">' + escapeHtml(order.product_type_label || "") + "</span>";
        html += "</div></div></section>";

        html += '<section class="aksrt-order-detail__group">';
        html += '<h4 class="aksrt-order-detail__group-title">交易信息</h4>';
        html += '<dl class="aksrt-order-detail__list">';
        [
            ["订单号", order.order_number],
            ["支付方式", paymentMethodText(order)],
            ["创建时间", order.created_at],
            ["支付时间", order.paid_at],
        ].forEach(function (row) {
            html += detailRow(row[0], row[1], row[0] === "订单号");
        });
        html += "</dl></section>";

        var afterSales = Array.isArray(order.after_sales) ? order.after_sales : [];
        if (afterSales.length) {
            html += '<section class="aksrt-order-detail__group"><h4 class="aksrt-order-detail__group-title">售后记录</h4><ul class="aksrt-order-detail__after-sales">';
            afterSales.forEach(function (item) {
                var labels = { pending: "待审核", processing: "处理中", approved: "已通过", rejected: "已拒绝", cancelled: "已取消", completed: "已完成" };
                html += "<li><strong>" + escapeHtml(labels[item.status] || item.status || "") + "</strong><span>" + escapeHtml(item.reason || "") + "</span><small>退款金额：" + escapeHtml(afterSaleAmount(item.refund_amount, order)) + "</small>";
                if (item.admin_note) html += "<small>处理备注：" + escapeHtml(item.admin_note) + "</small>";
                if (item.gateway_result) html += "<small>渠道结果：" + escapeHtml(gatewayResultText(item.gateway_result)) + "</small>";
                if (item.status === "pending") html += '<button class="btn-ghost" type="button" data-aksrt-after-sale-cancel="' + escapeHtml(order.order_number) + '">取消申请</button>';
                html += "</li>";
            });
            html += "</ul></section>";
        }

        if (reconciliation.state === "refresh_available") {
            html += '<div class="aksrt-order-detail__refresh-state" role="status">';
            html += '<i class="fa fas fa-info-circle" aria-hidden="true"></i>';
            html += "<p>支付状态可能仍在同步，请刷新后查看。</p>";
            html += '<button class="btn-outline" type="button" data-aksrt-order-refresh="' + escapeHtml(order.order_number) + '">刷新支付状态</button>';
            html += "</div>";
        }

        html += '<footer class="aksrt-modal__footer aksrt-order-detail__actions">';
        html += '<button class="btn-outline" type="button" data-aksrt-modal-close>关闭</button>';
        if (allowedActions.can_cancel) html += '<button class="btn-ghost" type="button" data-aksrt-order-cancel="' + escapeHtml(order.order_number) + '">关闭订单</button>';
        if (allowedActions.can_pay) html += '<button class="btn-primary" type="button" data-aksrt-order-pay="' + escapeHtml(order.order_number) + '" data-aksrt-order-method="' + escapeHtml(paymentMethod.value || "") + '">继续支付</button>';
        // 售后申请为独立弹窗，不再占用订单详情（order-after-sale.js）。
        html += afterSaleButtons(order.order_number, order.after_sale || {});
        html += "</footer>";

        session.content.innerHTML = html;
    }

    function detailOptions(state, orderNumber, refresh) {
		var actionKey = refresh ? "refresh:" + orderNumber : "";
		if (actionKey && !state.operationKeys[actionKey]) state.operationKeys[actionKey] = window.AksrtRequest.createIdempotencyKey();
        return {
            url: orderPath(orderNumber, refresh ? "/refresh" : ""),
            method: refresh ? "POST" : "GET",
			headers: actionKey ? { "Idempotency-Key": state.operationKeys[actionKey] } : {},
            kind: "orders",
            title: "订单详情",
            className: "aksrt-order-detail-modal",
            responseType: "json",
            cache: !refresh,
            cacheKey: "orders:detail:" + orderNumber,
            cacheTags: ["orders", orderTag(orderNumber)],
            skeleton: detailSkeleton(),
            onState: function (_, session) {
                if (orderNumber === state.detailOrderNumber) state.detailSession = session;
            },
            renderData: function (data, session) {
                if (orderNumber !== state.detailOrderNumber || !instances.has(state.root)) return false;
                state.detailSession = session;
                if (!data || typeof data !== "object") {
                    session.content.innerHTML = '<p class="c-red">订单不存在</p>';
                    return;
                }
                renderDetail(state, data, session);
            },
            onData: function (data) {
				if (refresh) {
					delete state.operationKeys[actionKey];
					invalidateOrder(orderNumber, data);
				}
            },
        };
    }

    function openDetail(state, orderNumber) {
        if (!orderNumber) return;
        state.detailSession = null;
        state.detailReplacement = false;
        state.detailReplacementSession = null;
        state.detailOrderNumber = orderNumber;
        window.AksrtModalRuntime.openRemote(detailOptions(state, orderNumber, false));
    }

    function refreshDetail(state, orderNumber) {
        if (!orderNumber || !activeDetail(state, orderNumber)) return;
        state.detailReplacement = true;
        state.detailReplacementSession = state.detailSession;
        var refreshPromise = window.AksrtModalRuntime.openRemote(detailOptions(state, orderNumber, true));
        refreshPromise.then(function () {
            state.detailReplacement = false;
            state.detailReplacementSession = null;
        }, function () {
            state.detailReplacement = false;
            state.detailReplacementSession = null;
        });
    }

    function currentViewPath(state) {
        var query = new URLSearchParams();
        if (state.query.status && state.query.status !== "all") query.set("order_status", state.query.status);
        if (state.query.type) query.set("order_type", state.query.type);
        if (state.query.orderNumber) query.set("order_number", state.query.orderNumber);
        if (Number(state.query.page) > 1) query.set("order_page", String(state.query.page));
        return "/orders/view" + (query.toString() ? "?" + query.toString() : "");
    }

    function actionHtml(order) {
        var allowedActions = order.allowed_actions || {};
        var afterSale = order.after_sale || {};
        var html = '<button class="btn-outline" type="button" data-aksrt-order-detail="' + escapeHtml(order.order_number) + '">订单详情</button>';
        if (allowedActions.can_cancel) html += '<button class="btn-ghost" type="button" data-aksrt-order-cancel="' + escapeHtml(order.order_number) + '">关闭订单</button>';
        if (allowedActions.can_pay) html += '<button class="btn-primary" type="button" data-aksrt-order-pay="' + escapeHtml(order.order_number) + '" data-aksrt-order-method="' + escapeHtml((order.payment_method || {}).value || "") + '">继续支付</button>';
        // 售后入口：申请售后 / 售后详细走 order-after-sale.js 的独立弹窗。
        if (afterSale.enabled) html += afterSaleButtons(order.order_number, afterSale);
        return html;
    }

    // 售后按钮（列表卡片与订单详情弹窗共用）：已申请 → 售后详细，否则 → 申请售后。
    function afterSaleButtons(orderNumber, afterSale) {
        var html = "";
        if (!afterSale || !afterSale.enabled) return html;
        if (afterSale.has_application) {
            html += '<button class="btn-outline" type="button" data-aksrt-after-sale-detail="' + escapeHtml(orderNumber) + '">售后详细</button>';
            return html;
        }
        html += '<button class="btn-outline" type="button" data-aksrt-after-sale-apply="' + escapeHtml(orderNumber) + '">申请售后</button>';
        return html;
    }

    function cardHtml(order) {
        var image = order.image
            ? '<img src="' + escapeHtml(order.image) + '" class="aksrt-orders-page__card-img" alt="">'
            : '<div class="aksrt-orders-page__card-art" aria-hidden="true"><i class="fa fas fa-book"></i></div>';
        var countdown = Number(order.time_left || 0) > 0
            ? '<span class="aksrt-orders-page__countdown" data-aksrt-order-countdown="' + Number(order.time_left) + '"></span>'
            : "";
        return '<article class="aksrt-orders-page__card" data-aksrt-order-card="' + escapeHtml(order.order_number) + '" data-order-status="' + escapeHtml(order.status_group || "") + '">' +
            '<div class="aksrt-orders-page__card-rail"><span>' + escapeHtml(order.product_type_label || "") + '</span><time>' + escapeHtml(order.created_at || "") + '</time><span class="aksrt-orders-page__card-status is-' + escapeHtml(order.status_group || "") + '">' + escapeHtml(order.status_label || "") + "</span></div>" +
            '<div class="aksrt-orders-page__card-main">' + image + '<div class="aksrt-orders-page__card-copy"><h3>' + escapeHtml(order.product_name || "订单") + "</h3><p>订单号 " + escapeHtml(order.order_number) + "</p></div><div class=\"aksrt-orders-page__card-value\"><strong>" + formatMoney(order) + "</strong><span>实付</span></div></div>" +
            '<footer class="aksrt-orders-page__card-actions">' + countdown + actionHtml(order) + "</footer></article>";
    }

    function renderStats(state, stats) {
        var root = state.root.querySelector("[data-aksrt-order-stats]");
        if (!root) return;
        root.innerHTML = '<div class="aksrt-orders-page__stat"><span>全部</span><strong>' + Number(stats.total || 0) + "</strong></div>" +
            '<div class="aksrt-orders-page__stat"><span>待支付</span><strong class="is-pending">' + Number(stats.pending || 0) + "</strong></div>" +
            '<div class="aksrt-orders-page__stat"><span>已支付</span><strong class="is-paid">' + Number(stats.paid || 0) + "</strong></div>" +
            '<div class="aksrt-orders-page__stat"><span>已退款</span><strong>' + Number(stats.refunded || 0) + "</strong></div>" +
            '<div class="aksrt-orders-page__stat"><span>已关闭</span><strong>' + Number(stats.closed || 0) + "</strong></div>" +
            '<div class="aksrt-orders-page__stat"><span>售后待处理</span><strong>' + Number(stats.after_sale_pending || 0) + "</strong></div>";
        var pendingCount = state.root.querySelector('[data-aksrt-order-filter="status"][data-aksrt-order-filter-value="pending"] .aksrt-orders-page__filter-count');
        if (pendingCount) {
            pendingCount.textContent = String(Number(stats.pending || 0));
            pendingCount.hidden = Number(stats.pending || 0) < 1;
        }
    }

    function renderPagination(state, view) {
        var existing = state.root.querySelector(".aksrt-orders-page__pagination");
        if (existing) existing.remove();
        if (Number(view.total_pages || 1) <= 1) return;
        var root = document.createElement("nav");
        root.className = "aksrt-orders-page__pagination";
        root.setAttribute("aria-label", "订单分页");
        for (var i = 1; i <= Number(view.total_pages); i++) {
            var button = document.createElement("button");
            button.type = "button";
            button.className = "aksrt-orders-page__page-chip" + (i === Number(view.page) ? " is-active" : "");
            button.setAttribute("data-aksrt-order-page", String(i));
            if (i === Number(view.page)) button.setAttribute("aria-current", "page");
            button.textContent = String(i);
            root.appendChild(button);
        }
        var list = state.root.querySelector("[data-aksrt-order-list]");
        if (list) list.after(root);
    }

    function countdownScopes(state) {
        // 详情弹窗挂在 body 上，不在 state.root 内，需要单独纳入倒计时扫描。
        var scopes = [state.root];
        if (state.detailSession && state.detailSession.content) scopes.push(state.detailSession.content);
        return scopes;
    }

    function updateCountdowns(state) {
        countdownScopes(state).forEach(function (scope) {
            if (!scope || !scope.querySelectorAll) return;
            scope.querySelectorAll("[data-aksrt-order-countdown]").forEach(function (node) {
                var value = Math.max(0, Number(node.getAttribute("data-aksrt-order-countdown") || 0) - 1);
                node.setAttribute("data-aksrt-order-countdown", String(value));
                node.textContent = value ? "剩余支付时间 " + value + " 秒" : "订单即将关闭";
            });
        });
    }

    function renderView(state, view) {
        var viewQuery = view.query || {};
        state.query.status = String(viewQuery.order_status || "all");
        state.query.type = String(viewQuery.order_type || "");
        state.query.orderNumber = String(viewQuery.order_number || "");
        state.query.page = Math.max(1, Number(view.page || viewQuery.order_page || 1));
        renderStats(state, view.stats || {});
        var list = state.root.querySelector("[data-aksrt-order-list]");
        if (!list) return;
        var items = Array.isArray(view.items) ? view.items : [];
        if (!items.length) {
            list.innerHTML = '<i class="fa fas fa-file-alt" aria-hidden="true"></i><h3>没有匹配的订单</h3><p>换个条件试试，或清除当前筛选。</p>';
            list.classList.remove("aksrt-orders-page__list");
            list.classList.add("aksrt-orders-page__empty");
        } else {
            list.classList.remove("aksrt-orders-page__empty");
            list.classList.add("aksrt-orders-page__list");
            list.innerHTML = items.map(cardHtml).join("");
        }
        renderPagination(state, view);
        syncControls(state);
        updateCountdowns(state);
    }

    function syncControls(state) {
        state.root.querySelectorAll("[data-aksrt-order-filter]").forEach(function (button) {
            var field = button.getAttribute("data-aksrt-order-filter");
            var expected = field === "status" ? state.query.status : state.query.type;
            var active = button.getAttribute("data-aksrt-order-filter-value") === expected;
            button.classList.toggle("is-active", active);
            button.setAttribute("aria-pressed", active ? "true" : "false");
        });
        var input = state.root.querySelector("#aksrt-order-number");
        if (input && input.value !== state.query.orderNumber) input.value = state.query.orderNumber;
    }

    function setViewLoading(state, loading) {
        state.root.classList.toggle("is-loading", loading);
        state.root.setAttribute("aria-busy", loading ? "true" : "false");
    }

    function loadView(state, patch) {
        Object.keys(patch || {}).forEach(function (key) { state.query[key] = patch[key]; });
        var requestId = ++state.viewRequest;
        setViewLoading(state, true);
        return request(currentViewPath(state), undefined, "GET").then(function (result) {
            if (requestId !== state.viewRequest) return null;
            if (!result || !result.data) throw new Error("刷新失败");
            renderView(state, result.data);
            return result.data;
        }).catch(function (error) {
            if (requestId === state.viewRequest) notyf(errorMessage(error, "订单加载失败，请稍后重试"), "danger");
            return null;
        }).finally(function () {
            if (requestId === state.viewRequest) setViewLoading(state, false);
        });
    }

    function refreshView(state) {
        return loadView(state);
    }

	function startPayment(state, button) {
        var number = button.getAttribute("data-aksrt-order-pay") || "";
        var method = button.getAttribute("data-aksrt-order-method") || "";
		if (!number || button.disabled) return;
		var actionKey = "pay:" + number;
		if (!state.operationKeys[actionKey]) state.operationKeys[actionKey] = window.AksrtRequest.createIdempotencyKey();
		button.disabled = true;
		request(orderPath(number, "/pay"), method ? { payment_method: method } : {}, "POST", state.operationKeys[actionKey]).then(function (result) {
			delete state.operationKeys[actionKey];
            var data = result.data || {};
            invalidateOrder(number, data.order);
            if (data.redirect && data.payment_url) {
                window.location.assign(data.payment_url);
                return;
            }
            notyf(data.message || "支付成功", "success");
            refreshView(state);
            if (activeDetail(state, number)) openDetail(state, number);
        }).catch(function (error) {
            button.disabled = false;
            notyf(errorMessage(error, "网络错误，请稍后重试"), "danger");
        });
    }

    function closeOrder(state, button) {
        var number = button.getAttribute("data-aksrt-order-cancel") || "";
        if (!number || button.disabled) return;
        if (button.getAttribute("data-aksrt-confirm") !== "true") {
            button.setAttribute("data-aksrt-confirm", "true");
            button.textContent = "确认关闭";
            return;
        }
		button.disabled = true;
		var actionKey = "cancel:" + number;
		if (!state.operationKeys[actionKey]) state.operationKeys[actionKey] = window.AksrtRequest.createIdempotencyKey();
		request(orderPath(number, "/cancel"), {}, "POST", state.operationKeys[actionKey]).then(function (result) {
			delete state.operationKeys[actionKey];
            var data = result.data || {};
            invalidateOrder(number, data.order);
            notyf("订单已关闭", "success");
            refreshView(state);
            if (activeDetail(state, number)) openDetail(state, number);
        }).catch(function (error) {
            button.disabled = false;
            button.removeAttribute("data-aksrt-confirm");
            button.textContent = "关闭订单";
            notyf(errorMessage(error, "网络错误，请稍后重试"), "danger");
        });
    }

    function copyOrderValue(button) {
        var value = button.getAttribute("data-aksrt-order-copy") || "";
        if (!value) return;
        var icon = button.querySelector("i");
        var settle = function (ok) {
            notyf(ok ? "订单号已复制" : "复制失败，请手动选择复制", ok ? "success" : "danger");
            if (!ok) return;
            button.classList.add("is-copied");
            if (icon) icon.className = "fa fas fa-check";
            window.setTimeout(function () {
                button.classList.remove("is-copied");
                if (icon) icon.className = "fa fas fa-copy";
            }, 1600);
        };
        var fallback = function () {
            try {
                var field = document.createElement("textarea");
                field.value = value;
                field.setAttribute("readonly", "readonly");
                field.style.position = "fixed";
                field.style.top = "-1000px";
                field.style.opacity = "0";
                document.body.appendChild(field);
                field.select();
                document.execCommand("copy");
                document.body.removeChild(field);
                settle(true);
            } catch (error) {
                settle(false);
            }
        };
        if (navigator.clipboard && navigator.clipboard.writeText) {
            navigator.clipboard.writeText(value).then(function () { settle(true); }, fallback);
            return;
        }
        fallback();
    }

    function closest(target, selector) {
        return target && target.closest ? target.closest(selector) : null;
    }

    function initRoot(root) {
        if (instances.has(root)) return;
		var state = {
            root: root,
            detailOrderNumber: "",
            detailSession: null,
            detailReplacement: false,
            detailReplacementSession: null,
			countdownTimer: null,
			operationKeys: {},
            query: { status: "all", type: "", orderNumber: "", page: 1 },
            viewRequest: 0,
        };

        state.onRootClick = function (event) {
            var filterToggle = closest(event.target, "[data-aksrt-orders-filter-toggle]");
            if (filterToggle && root.contains(filterToggle)) {
                var panel = root.querySelector("[data-aksrt-orders-filter-panel]");
                var expanded = filterToggle.getAttribute("aria-expanded") === "true";
                filterToggle.setAttribute("aria-expanded", String(!expanded));
                if (panel) panel.hidden = expanded;
                return;
            }
            var filter = closest(event.target, "[data-aksrt-order-filter]");
            if (filter && root.contains(filter)) {
                event.preventDefault();
                var field = filter.getAttribute("data-aksrt-order-filter");
                var patch = { page: 1 };
                patch[field] = filter.getAttribute("data-aksrt-order-filter-value") || "";
                loadView(state, patch);
                return;
            }
            var page = closest(event.target, "[data-aksrt-order-page]");
            if (page && root.contains(page)) {
                event.preventDefault();
                loadView(state, { page: Math.max(1, Number(page.getAttribute("data-aksrt-order-page") || 1)) });
                return;
            }
            var clear = closest(event.target, "[data-aksrt-orders-clear]");
            if (clear && root.contains(clear)) {
                event.preventDefault();
                loadView(state, { status: "all", type: "", orderNumber: "", page: 1 });
                return;
            }
            var detail = closest(event.target, "[data-aksrt-order-detail]");
            if (detail && root.contains(detail)) { openDetail(state, detail.getAttribute("data-aksrt-order-detail")); return; }
            var pay = closest(event.target, "[data-aksrt-order-pay]");
            if (pay && root.contains(pay)) { event.preventDefault(); startPayment(state, pay); return; }
            var cancel = closest(event.target, "[data-aksrt-order-cancel]");
            if (cancel && root.contains(cancel)) { event.preventDefault(); closeOrder(state, cancel); }
        };
        state.onRootSubmit = function (event) {
            var form = closest(event.target, "[data-aksrt-orders-search]");
            if (!form || !root.contains(form)) return;
            event.preventDefault();
            var input = form.querySelector("#aksrt-order-number");
            loadView(state, { orderNumber: input ? String(input.value || "").trim() : "", page: 1 });
        };
        state.onModalClose = function (event) {
            var detail = event && event.detail ? event.detail : {};
            if (!state.detailSession || detail.session !== state.detailSession) return;
            if (detail.reason === "replace" && state.detailReplacement && detail.session === state.detailReplacementSession) return;
            state.detailSession = null;
            state.detailOrderNumber = "";
            state.detailReplacement = false;
            state.detailReplacementSession = null;
        };
        state.onDocumentClick = function (event) {
            var afterSaleCancel = closest(event.target, "[data-aksrt-after-sale-cancel]");
            if (afterSaleCancel && !event.__aksrtAfterSaleCancelHandled) {
                var afterSaleNumber = afterSaleCancel.getAttribute("data-aksrt-after-sale-cancel") || "";
                if (activeDetail(state, afterSaleNumber)) {
                    event.__aksrtAfterSaleCancelHandled = true;
                    event.preventDefault();
                    afterSaleCancel.disabled = true;
                    request(orderPath(afterSaleNumber, "/after-sale"), undefined, "DELETE", window.AksrtRequest.createIdempotencyKey()).then(function () {
                        notyf("售后申请已取消", "success");
                        invalidateOrder(afterSaleNumber);
                        openDetail(state, afterSaleNumber);
                        refreshView(state);
                    }).catch(function (error) {
                        afterSaleCancel.disabled = false;
                        notyf(errorMessage(error, "取消申请失败"), "danger");
                    });
                    return;
                }
            }
            if (!state.detailSession || window.AksrtModalRuntime.getActive() !== state.detailSession.shell) return;
            var copy = closest(event.target, "[data-aksrt-order-copy]");
            if (copy) {
                event.preventDefault();
                copyOrderValue(copy);
                return;
            }
            var refresh = closest(event.target, "[data-aksrt-order-refresh]");
            if (refresh) {
                event.preventDefault();
                refreshDetail(state, refresh.getAttribute("data-aksrt-order-refresh") || "");
                return;
            }
            var pay = closest(event.target, "[data-aksrt-order-pay]");
            if (pay && !root.contains(pay)) {
                event.preventDefault();
                startPayment(state, pay);
                return;
            }
            var cancel = closest(event.target, "[data-aksrt-order-cancel]");
            if (cancel && !root.contains(cancel)) {
                event.preventDefault();
                closeOrder(state, cancel);
            }
        };

        root.addEventListener("click", state.onRootClick);
        root.addEventListener("submit", state.onRootSubmit);
        document.addEventListener("aksrt:modal:close", state.onModalClose);
        document.addEventListener("click", state.onDocumentClick);
        state.countdownTimer = window.setInterval(function () { updateCountdowns(state); }, 1000);
        instances.set(root, state);
        liveStates.push(state);
    }

    function rootsIn(root) {
        if (!root) return [];
        var roots = [];
        if (root.matches && root.matches("[data-aksrt-order-center]")) roots.push(root);
        if (root.querySelectorAll) root.querySelectorAll("[data-aksrt-order-center]").forEach(function (item) { roots.push(item); });
        return roots;
    }

    function init(root) {
        rootsIn(root || document).forEach(initRoot);
    }

    function destroy(root) {
        rootsIn(root).forEach(function (item) {
            var state = instances.get(item);
            if (!state) return;
            if (activeDetail(state, state.detailOrderNumber)) window.AksrtModalRuntime.close("replace");
            item.removeEventListener("click", state.onRootClick);
            item.removeEventListener("submit", state.onRootSubmit);
            document.removeEventListener("aksrt:modal:close", state.onModalClose);
            document.removeEventListener("click", state.onDocumentClick);
            window.clearInterval(state.countdownTimer);
            instances.delete(item);
            liveStates = liveStates.filter(function (entry) { return entry !== state; });
        });
    }

    // refresh 供售后弹窗（order-after-sale.js）提交/取消后刷新列表与统计。
    function refresh(orderNumber) {
        invalidateOrder(orderNumber);
        liveStates.forEach(function (state) {
            refreshView(state);
        });
    }

    window.AKSRTOrderCenter = { init: init, destroy: destroy, refresh: refresh };
    jQuery(document).off("auto_fun.aksrt-order-center").on("auto_fun.aksrt-order-center", function () { init(document); });
}());