/**
 * AKSRT VIP pay modal — zibll .pay-vip parity.
 * Loads modal HTML from GET /aksrt/v1/pay/vip/modal then purchases via POST /pay/vip.
 */
(function () {
  "use strict";

  function api(path, options) {
    var opts = Object.assign({}, options || {});
    var request = window.AksrtRequest && typeof window.AksrtRequest.request === "function"
      ? window.AksrtRequest.request(path, opts)
      : fetch(path, Object.assign({ credentials: "same-origin" }, opts)).then(function (response) {
        return response.json().then(function (json) {
          return { ok: response.ok, status: response.status, json: json };
        });
      });

    return request.then(function (response) {
      return {
        ok: response.ok,
        status: response.status,
        json: response.json || {},
      };
    }).catch(function (error) {
      var response = error && error.response ? error.response : {};
      return {
        ok: false,
        status: error && error.status ? error.status : (response.status || 0),
        json: error && error.json ? error.json : (response.json || { message: error && error.message }),
      };
    });
  }

  var activeVipShell = null;

  function openModal() {
    if (!window.AksrtModalRuntime || typeof window.AksrtModalRuntime.open !== "function") return null;
    activeVipShell = window.AksrtModalRuntime.open({
      className: "aksrt-vip-modal-shell",
      mobileBottom: false,
      skeleton: '<div class="aksrt-vip-modal-dialog"><div class="aksrt-vip-modal-content" data-aksrt-vip-modal-body><div class="text-center padding-20 muted-2-color">加载中…</div></div></div>',
      telemetry: false,
      kind: "vip",
    });
    return activeVipShell;
  }

  function closeModal() {
    if (window.AksrtModalRuntime && typeof window.AksrtModalRuntime.close === "function") {
      window.AksrtModalRuntime.close("vip");
    }
    activeVipShell = null;
  }

  function bindModalUi(root) {
    if (!root || root.dataset.aksrtVipBound === "1") return;
    root.dataset.aksrtVipBound = "1";

    root.addEventListener("click", function (e) {
      var tab = e.target.closest("[data-vip-tab]");
      if (tab) {
        e.preventDefault();
        var id = tab.getAttribute("data-vip-tab");
        root.querySelectorAll(".aksrt-vip-tab").forEach(function (a) {
          a.parentElement && a.parentElement.classList.remove("active");
        });
        tab.parentElement && tab.parentElement.classList.add("active");
        root.querySelectorAll(".aksrt-vip-pane").forEach(function (p) {
          var on = p.id === id;
          p.hidden = !on;
          p.classList.toggle("active", on);
        });
        return;
      }

      var submit = e.target.closest("[data-vip-submit]");
      if (submit) {
        e.preventDefault();
        purchaseFromPane(submit.closest(".aksrt-vip-pane") || root, submit);
      }
    });
  }

  function selectedMethod(root) {
    var fixed = root.querySelector("[data-aksrt-vip-method-fixed]");
    if (fixed && fixed.value) return fixed.value;
    var checked = root.querySelector('input[name="aksrt_vip_pay_method"]:checked');
    if (checked) return checked.value;
    var first = root.querySelector('input[name="aksrt_vip_pay_method"]');
    return first ? first.value : "balance";
  }

  function selectedPackage(root) {
    var checked = root.querySelector('input[name="vip_product_id"]:checked');
    return checked ? parseInt(checked.value, 10) : 0;
  }

  function setTip(root, text, isError) {
    var tip = root.querySelector("[data-aksrt-vip-tip]");
    if (!tip) return;
    tip.textContent = text || "";
    tip.classList.toggle("is-error", !!isError);
  }

  function pollOrder(orderNumber) {
    if (!orderNumber) return;
    var tries = 0;
    var timer = setInterval(function () {
      tries += 1;
      api("/pay/content/order/" + encodeURIComponent(orderNumber))
        .then(function (r) {
          if (r.ok && r.json && r.json.paid) {
            clearInterval(timer);
            window.location.reload();
          }
        })
        .catch(function () {});
      if (tries >= 40) clearInterval(timer);
    }, 3000);
  }

  function purchaseFromPane(pane, btn) {
    var packageId = selectedPackage(pane);
    if (!packageId) {
      setTip(pane, "请选择套餐", true);
      return;
    }
    if (btn.disabled) return;
    btn.disabled = true;
    btn.classList.add("is-loading");
    setTip(pane, "正在创建订单…");

    api("/pay/vip", {
      method: "POST",
      body: JSON.stringify({
        package_id: packageId,
        payment_method: selectedMethod(pane),
      }),
    })
      .then(function (r) {
        btn.disabled = false;
        btn.classList.remove("is-loading");
        if (!r.ok || (r.json && r.json.code && !r.json.success && r.json.success !== true)) {
          var msg = (r.json && r.json.message) || "开通失败";
          if (r.status === 401) {
            msg = "请先登录";
            document.querySelector(".signin-loader") && document.querySelector(".signin-loader").click();
          }
          setTip(pane, msg, true);
          return;
        }
        var data = r.json && r.json.data ? r.json.data : r.json;
        if (data && data.redirect && (data.payment_url || data.qr_content)) {
          if (window.AksrtModalRuntime && typeof window.AksrtModalRuntime.invalidate === "function") {
            window.AksrtModalRuntime.invalidate(["vip", "orders"]);
          }
          if (data.payment_url) window.open(data.payment_url, "_blank");
          setTip(pane, data.message || "请完成支付，支付成功后将自动刷新。");
          if (data.order_number) pollOrder(data.order_number);
          return;
        }
        if (window.AksrtModalRuntime && typeof window.AksrtModalRuntime.invalidate === "function") {
          window.AksrtModalRuntime.invalidate(["vip", "orders"]);
        }
        setTip(pane, (data && data.message) || "开通成功，正在刷新…");
        setTimeout(function () {
          window.location.reload();
        }, 400);
      })
      .catch(function () {
        btn.disabled = false;
        btn.classList.remove("is-loading");
        setTip(pane, "网络错误，请重试", true);
      });
  }

  var loading = false;

  function vipPay(trigger) {
    var level = 1;
    if (trigger) {
      level = parseInt(trigger.getAttribute("vip-level") || trigger.getAttribute("data-vip-level") || "1", 10) || 1;
    }
    if (loading) return;
    loading = true;
    var telemetry = window.AksrtModalTelemetry;
    var telemetryId = telemetry && typeof telemetry.start === "function" ? telemetry.start("vip") : "";
    function telemetryMark(event) {
      if (telemetry && telemetryId && typeof telemetry.mark === "function") telemetry.mark(telemetryId, event);
    }
    var shell = openModal();
    if (!shell) {
      loading = false;
      telemetryMark("error");
      return;
    }
    var body = shell.querySelector("[data-aksrt-vip-modal-body]");
    telemetryMark("shell");

    api("/pay/vip/modal", { query: { vip_level: level } })
      .then(function (r) {
        loading = false;
        if (r.status === 401) {
          telemetryMark("unauthorized");
          closeModal();
          var login = document.querySelector(".signin-loader");
          if (login) login.click();
          return;
        }
        if (!r.ok || !r.json || !r.json.html) {
          telemetryMark("error");
          if (body) {
            body.innerHTML =
              '<div class="text-center padding-20 c-red">' +
              ((r.json && r.json.message) || "加载失败") +
              "</div>";
          }
          return;
        }
        if (body) {
          body.innerHTML = r.json.html;
          telemetryMark("first-content");
          if (window.AksrtFrontend && typeof window.AksrtFrontend.rehydrate === "function") {
            window.AksrtFrontend.rehydrate(body, "modal");
          }
          bindModalUi(body);
          telemetryMark("ready");
        }
      })
      .catch(function () {
        loading = false;
        telemetryMark("error");
        if (body) {
          body.innerHTML = '<div class="text-center padding-20 c-red">网络错误</div>';
        }
      });
  }

  function onDocClick(e) {
    // Header CTA, float rail, UC buttons, VIP hover cards.
    var t = e.target.closest(".pay-vip, a.pay-vip, .float-btn.pay-vip, [data-aksrt-pay-vip]");
    if (!t) return;
    // Real external href without modal intent: leave alone.
    var href = (t.getAttribute("href") || "").trim();
    if (href && href !== "#" && href.indexOf("javascript:") !== 0 && !t.classList.contains("pay-vip") && !t.hasAttribute("data-aksrt-pay-vip") && !t.hasAttribute("vip-level") && !t.hasAttribute("data-vip-level")) {
      return;
    }
    e.preventDefault();
    e.stopPropagation();
    vipPay(t);
  }

  function init() {
    // Capture phase so float/header anchors with href never navigate first.
    document.addEventListener("click", onDocClick, true);
  }

  // This handler is delegated from document, so registry rehydration is not
  // needed. Bind exactly once and keep dynamically injected triggers working.
  function bindOnce() {
    if (window.__aksrtPayVipBound) return;
    window.__aksrtPayVipBound = true;
    init();
  }

  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", bindOnce, { once: true });
  } else {
    bindOnce();
  }

  window.aksrtVipPay = vipPay;
})();