/**
 * AKSRT Order Center — v2.0
 *
 * 前台订单中心交互：
 * - 支付 / 取消 / 售后：操作成功后局部刷新订单卡片，不再整页 reload
 * - 倒计时
 * - Toast 通知替代 window.alert
 *
 * @package AKSRT
 */

(function () {
    "use strict";

    var page = document.querySelector("[data-aksrt-order-center]");
    if (!page || !window.aksrtData) {
        return;
    }

    /* ── Toast helper ── */
    function showToast(text, duration) {
        duration = duration || 2500;
        var container = document.getElementById("toast-container");
        if (!container) {
            container = document.createElement("div");
            container.id = "toast-container";
            container.style.cssText = "position:fixed;bottom:24px;right:24px;z-index:99999;display:flex;flex-direction:column-reverse;gap:10px;pointer-events:none;";
            document.body.appendChild(container);
        }
        var toast = document.createElement("div");
        toast.style.cssText = "pointer-events:auto;display:flex;align-items:center;gap:8px;padding:10px 20px;background:rgba(0,0,0,0.78);backdrop-filter:blur(12px);color:#fff;font-family:var(--font-ui);font-size:14px;font-weight:500;border-radius:100px;box-shadow:0 4px 20px rgba(0,0,0,0.2);animation:aksrtToastIn 0.35s cubic-bezier(0.22,1,0.36,1) forwards;white-space:nowrap;";
        toast.textContent = text;
        container.appendChild(toast);
        setTimeout(function () {
            toast.style.animation = "aksrtToastOut 0.4s ease forwards";
            setTimeout(function () { if (toast.parentNode) toast.parentNode.removeChild(toast); }, 400);
        }, duration);
    }

    // Inject toast keyframes if not present
    if (!document.getElementById("aksrt-toast-keyframes")) {
        var style = document.createElement("style");
        style.id = "aksrt-toast-keyframes";
        style.textContent = "@keyframes aksrtToastIn{0%{opacity:0;transform:translateY(16px) scale(0.92)}100%{opacity:1;transform:translateY(0) scale(1)}}@keyframes aksrtToastOut{0%{opacity:1;transform:translateY(0) scale(1)}100%{opacity:0;transform:translateY(8px) scale(0.95)}}";
        document.head.appendChild(style);
    }

    /* ── REST helper ── */
    function restRoot() {
        return ((aksrtData.siteUrl || "").replace(/\/$/, "")) + "/wp-json/aksrt/v1";
    }

    function request(path, body, method) {
        return fetch(restRoot() + path, {
            method: method || "POST",
            headers: {
                "Content-Type": "application/json",
                "X-WP-Nonce": aksrtData.restNonce
            },
            body: body === undefined ? undefined : JSON.stringify(body || {})
        }).then(function (response) {
            return response.json();
        });
    }

    function cartUrl() {
        return aksrtData.cartUrl || (aksrtData.routes && aksrtData.routes.cart) || "/";
    }

    /* ── 扫码支付弹层（微信 Native code_url 等）── */
    function showPaymentQr(content, orderNumber) {
        var existing = document.getElementById("aksrt-pay-qr-overlay");
        if (existing) existing.remove();

        var overlay = document.createElement("div");
        overlay.id = "aksrt-pay-qr-overlay";
        overlay.style.cssText = "position:fixed;inset:0;z-index:100000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);";

        var qrImg = "";
        if (window.AksrtShare && typeof window.AksrtShare.buildQrDataUrl === "function") {
            var dataUrl = window.AksrtShare.buildQrDataUrl(content, 220);
            if (dataUrl) {
                qrImg = '<img src="' + dataUrl + '" alt="支付二维码" width="220" height="220" style="display:block;margin:0 auto;">';
            }
        }
        if (!qrImg) {
            qrImg = '<p style="word-break:break-all;font-size:12px;color:#666;">' + String(content).replace(/[<>&]/g, "") + "</p>";
        }

        var card = document.createElement("div");
        card.style.cssText = "background:#fff;border-radius:12px;padding:24px;max-width:300px;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,0.2);";
        card.innerHTML =
            '<h3 style="margin:0 0 12px;font-size:16px;">请扫码完成支付</h3>' +
            qrImg +
            '<p style="margin:12px 0 0;font-size:13px;color:#888;">支付完成后本页将自动更新</p>' +
            '<button type="button" id="aksrt-pay-qr-close" style="margin-top:14px;padding:8px 20px;border:none;border-radius:8px;background:var(--color-primary,#f04494);color:#fff;cursor:pointer;">完成 / 关闭</button>';
        overlay.appendChild(card);
        document.body.appendChild(overlay);

        function close() { overlay.remove(); }
        overlay.addEventListener("click", function (e) { if (e.target === overlay) close(); });
        card.querySelector("#aksrt-pay-qr-close").addEventListener("click", function () {
            close();
            // 关闭后查询订单是否已到账
            if (orderNumber) {
                request("/shop/frontend/orders/" + orderNumber, {}).then(function () {
                    window.location.reload();
                }).catch(function () {});
            }
        });
    }

    /* ── 第三方支付返回提示（?payment=success|pending|cancelled）── */
    (function paymentReturnNotice() {
        var params = new URLSearchParams(window.location.search);
        var pay = params.get("payment");
        if (!pay) return;
        var map = { success: "支付成功！", pending: "支付处理中，到账后将自动更新。", cancelled: "支付已取消。", fail: "支付失败，请重试。" };
        showToast(map[pay] || "支付状态：" + pay, 3500);
    })();

    /* ── Local card refresh helpers ── */
    function findOrderCard(orderNumber) {
        return page.querySelector('[data-aksrt-order-card="' + orderNumber + '"]');
    }

    function updateCardStatus(card, newStatus, statusLabel) {
        if (!card) return;
        var badge = card.querySelector(".aksrt-orders-page__card-status, .aksrt-orders-page__item-badge");
        if (badge) {
            badge.textContent = statusLabel || newStatus;
        }
        // Hide action buttons that are no longer relevant
        var actions = card.querySelectorAll("[data-aksrt-order-pay], [data-aksrt-order-cancel], [data-aksrt-order-after-sale], [data-aksrt-order-receipt], [data-aksrt-order-rebuy]");
        for (var i = 0; i < actions.length; i++) {
            actions[i].style.display = "none";
        }
        // Hide countdown if present
        var countdown = card.querySelector("[data-aksrt-order-countdown]");
        if (countdown) {
            countdown.style.display = "none";
        }
    }

    /* ── After-Sale Modal ── */
    var afterSaleModal = page.querySelector("[data-aksrt-aftersale-modal]");
    var afterSaleForm = page.querySelector("[data-aksrt-aftersale-form]");
    var afterSaleOrderInput = afterSaleForm ? afterSaleForm.querySelector('[name="order_number"]') : null;

    function openAfterSaleModal(orderNumber) {
        if (!afterSaleModal || !afterSaleForm) {
            showToast("售后表单加载失败，请刷新页面后重试。");
            return;
        }
        afterSaleForm.reset();
        if (afterSaleOrderInput) afterSaleOrderInput.value = orderNumber;
        afterSaleModal.hidden = false;
    }

    function closeAfterSaleModal() {
        if (afterSaleModal) afterSaleModal.hidden = true;
    }

    if (afterSaleForm) {
        afterSaleForm.addEventListener("submit", function (event) {
            event.preventDefault();
            var formData = new FormData(afterSaleForm);
            var orderNumber = formData.get("order_number");
            var reason = (formData.get("reason") || "").trim();
            if (!reason) {
                showToast("请填写售后原因。");
                return;
            }

            var submitBtn = afterSaleForm.querySelector('button[type="submit"]');
            if (submitBtn) {
                submitBtn.disabled = true;
                submitBtn.textContent = "提交中...";
            }

            request("/shop/frontend/orders/" + orderNumber + "/after-sale", {
                type: formData.get("type") || "refund",
                reason: reason,
                note: (formData.get("note") || "").trim()
            }).then(function (result) {
                if (submitBtn) {
                    submitBtn.disabled = false;
                    submitBtn.textContent = "提交售后";
                }
                if (!result.success) {
                    showToast(result.message || "提交售后失败。");
                    return;
                }
                closeAfterSaleModal();
                showToast("售后申请已提交。");
                // Local refresh: update card status
                var card = findOrderCard(orderNumber);
                updateCardStatus(card, "refunded", "已退款");
            }).catch(function () {
                if (submitBtn) {
                    submitBtn.disabled = false;
                    submitBtn.textContent = "提交售后";
                }
                showToast("网络错误，请稍后重试。");
            });
        });
    }

    /* ── Countdown timer ── */
    function updateCountdowns() {
        var nodes = page.querySelectorAll("[data-aksrt-order-countdown]");
        for (var i = 0; i < nodes.length; i++) {
            var node = nodes[i];
            var value = Number(node.getAttribute("data-aksrt-order-countdown") || 0);
            if (!value) continue;

            value -= 1;
            node.setAttribute("data-aksrt-order-countdown", String(value));
            node.textContent = value > 0 ? "剩余支付时间 " + value + " 秒" : "待支付已超时，请重新发起。";
        }
    }

    setInterval(updateCountdowns, 1000);

    /* ── Event delegation ── */
    page.addEventListener("click", function (event) {
        // Timeline toggle
        var timelineToggle = event.target.closest("[data-aksrt-toggle-timeline]");
        if (timelineToggle) {
            var timeline = timelineToggle.closest("[data-aksrt-timeline]");
            var body = timeline ? timeline.querySelector(".aksrt-orders-page__timeline-body") : null;
            if (body) body.hidden = !body.hidden;
            return;
        }

        // Confirm receipt
        var receiptBtn = event.target.closest("[data-aksrt-order-receipt]");
        if (receiptBtn) {
            var receiptOrder = receiptBtn.getAttribute("data-aksrt-order-receipt");
            if (!receiptOrder) return;
            if (!window.confirm("确认已收到货物？")) return;
            receiptBtn.disabled = true;
            request("/shop/frontend/orders/" + receiptOrder + "/confirm-receipt", {})
                .then(function (result) {
                    receiptBtn.disabled = false;
                    if (!result || !result.success) {
                        showToast((result && result.message) || "确认收货失败");
                        return;
                    }
                    showToast("已确认收货");
                    updateCardStatus(findOrderCard(receiptOrder), "completed", "已完成");
                })
                .catch(function () {
                    receiptBtn.disabled = false;
                    showToast("网络错误");
                });
            return;
        }

        // Rebuy
        var rebuyBtn = event.target.closest("[data-aksrt-order-rebuy]");
        if (rebuyBtn) {
            var rebuyOrder = rebuyBtn.getAttribute("data-aksrt-order-rebuy");
            if (!rebuyOrder) return;
            rebuyBtn.disabled = true;
            request("/shop/frontend/orders/" + rebuyOrder + "/rebuy", {})
                .then(function (result) {
                    rebuyBtn.disabled = false;
                    if (!result || !result.success) {
                        showToast((result && result.message) || "再次购买失败");
                        return;
                    }
                    showToast("已加入购物车");
                    window.location.href = cartUrl();
                })
                .catch(function () {
                    rebuyBtn.disabled = false;
                    showToast("网络错误");
                });
            return;
        }

        // Review submit modal
        var reviewBtn = event.target.closest("[data-aksrt-order-review]");
        if (reviewBtn) {
            var reviewOrder = reviewBtn.getAttribute("data-aksrt-order-review");
            var card = reviewBtn.closest("[data-aksrt-order-card]");
            var productId = 0;
            if (card) {
                var firstItem = card.querySelector("[data-product-id]");
                if (firstItem) productId = Number(firstItem.getAttribute("data-product-id") || 0);
            }
            if (!productId) {
                // try parse from item title block dataset if present
                var any = card ? card.querySelector(".aksrt-orders-page__card-item") : null;
                if (any && any.getAttribute("data-product-id")) {
                    productId = Number(any.getAttribute("data-product-id") || 0);
                }
            }
            if (!reviewOrder) return;
            var content = window.prompt("请输入评价内容（可选）", "好评！");
            if (content === null) return;
            var rating = window.prompt("商品评分 1-5", "5");
            var r = Math.max(1, Math.min(5, parseInt(rating || "5", 10) || 5));
            reviewBtn.disabled = true;
            request("/shop/frontend/orders/" + reviewOrder + "/review", {
                product_id: productId,
                content: content || "好评！",
                rating_product: r,
                rating_service: r,
                rating_shipping: r
            }).then(function (result) {
                reviewBtn.disabled = false;
                if (!result || !result.success) {
                    showToast((result && result.message) || "评价失败");
                    return;
                }
                showToast(result.message || "评价已提交");
                updateCardStatus(findOrderCard(reviewOrder), "completed", "已完成");
            }).catch(function () {
                reviewBtn.disabled = false;
                showToast("网络错误");
            });
            return;
        }

        // Pay
        var payButton = event.target.closest("[data-aksrt-order-pay]");
        if (payButton) {
            var payOrderNumber = payButton.getAttribute("data-aksrt-order-pay");
            // 支付方式取订单创建时选定的方式（按钮 data 属性可覆盖）；
            // 留空则由服务端使用订单存储的 payment_method。
            var payMethod = payButton.getAttribute("data-aksrt-order-method") || "";
            payButton.disabled = true;
            payButton.textContent = "处理中...";
            request("/shop/frontend/orders/" + payOrderNumber + "/pay", payMethod ? { payment_method: payMethod } : {})
                .then(function (result) {
                    if (!result.success) {
                        payButton.disabled = false;
                        payButton.textContent = "立即支付";
                        showToast(result.message || "支付失败。");
                        return;
                    }

                    var data = result.data || {};

                    // 跳转/扫码型网关：到第三方支付页或展示二维码，订单仍为待支付，
                    // 由回调确认到账。
                    if (data.redirect) {
                        if (data.payment_url && /^https?:\/\//i.test(data.payment_url)) {
                            window.location.href = data.payment_url;
                            return;
                        }
                        if (data.qr_content || data.payment_url) {
                            showPaymentQr(data.qr_content || data.payment_url, payOrderNumber);
                            payButton.disabled = false;
                            payButton.textContent = "已下单，待支付";
                            return;
                        }
                    }

                    // 同步型网关（站内余额）：已到账。
                    showToast("支付成功！");
                    var card = findOrderCard(payOrderNumber);
                    updateCardStatus(card, "paid", "已支付");
                })
                .catch(function () {
                    payButton.disabled = false;
                    payButton.textContent = "立即支付";
                    showToast("网络错误，请稍后重试。");
                });
            return;
        }

        // Cancel
        var cancelButton = event.target.closest("[data-aksrt-order-cancel]");
        if (cancelButton) {
            var cancelOrderNumber = cancelButton.getAttribute("data-aksrt-order-cancel");
            cancelButton.disabled = true;
            cancelButton.textContent = "取消中...";
            request("/shop/frontend/orders/" + cancelOrderNumber + "/cancel")
                .then(function (result) {
                    if (!result.success) {
                        cancelButton.disabled = false;
                        cancelButton.textContent = "取消订单";
                        showToast(result.message || "取消失败。");
                        return;
                    }
                    showToast("订单已取消。");
                    var card = findOrderCard(cancelOrderNumber);
                    updateCardStatus(card, "cancelled", "已取消");
                })
                .catch(function () {
                    cancelButton.disabled = false;
                    cancelButton.textContent = "取消订单";
                    showToast("网络错误，请稍后重试。");
                });
            return;
        }

        // After-Sale
        var afterSaleButton = event.target.closest("[data-aksrt-order-after-sale]");
        if (afterSaleButton) {
            var afterSaleOrderNumber = afterSaleButton.getAttribute("data-aksrt-order-after-sale");
            openAfterSaleModal(afterSaleOrderNumber);
            return;
        }

        // Close modal
        if (event.target.closest("[data-aksrt-aftersale-modal-close]") || (event.target.classList && event.target.classList.contains("aksrt-modal__overlay"))) {
            closeAfterSaleModal();
        }
    });
})();