(function () {
  'use strict';

  var base = (window.SOON_DEPLOY_CONFIG && window.SOON_DEPLOY_CONFIG.api_v1_base) || '/api/v1';
  var currentMembership = null;
  var orderState = { page: 1, size: 8, total: 0 };

  var esc = typeof soonEscapeHtml === 'function' ? soonEscapeHtml : function (s) {
    if (s == null) return '';
    return String(s);
  };

  var STATUS_LABEL = {
    pending: '待支付',
    paid: '已支付',
    cancelled: '已取消',
    refunded: '已退款',
  };

  var CHANNEL_LABEL = { alipay: '支付宝', wechat: '微信' };

  function apiFetch(url, opts) {
    if (typeof soonAuthedFetch === 'function') return soonAuthedFetch(url, opts || {});
    opts = opts || {};
    var token = localStorage.getItem('soon_access') || '';
    opts.headers = Object.assign({}, opts.headers || {});
    if (token) opts.headers.Authorization = 'Bearer ' + token;
    return fetch(url, opts);
  }

  function parseApiJson(r) {
    return r.text().then(function (text) {
      try {
        return JSON.parse(text);
      } catch (e) {
        return { ok: false, message: '服务暂时不可用，请稍后重试' };
      }
    });
  }

  function apiGet(p) {
    return apiFetch(base + p).then(function (r) {
      if (!r.ok && r.status === 401) return { ok: false, message: '未登录或会话已过期' };
      return parseApiJson(r);
    });
  }

  function apiPost(p, body) {
    return apiFetch(base + p, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(body || {}),
    }).then(function (r) {
      if (!r.ok && r.status === 401) return { ok: false, message: '未登录或会话已过期' };
      return parseApiJson(r);
    });
  }

  function usageMetrics(usage, quotaMb) {
    var bytes = (usage && usage.storage_bytes) || 0;
    var totalBytes = (quotaMb || 0) * 1024 * 1024;
    var pctNum = totalBytes > 0 ? (bytes / totalBytes) * 100 : 0;
    var pctLabel = pctNum > 0 && pctNum < 1 ? '<1' : String(Math.min(100, Math.round(pctNum)));
    var barWidth = bytes > 0 ? Math.max(pctNum < 1 ? 0.8 : pctNum, 0.8) : 0;
    return {
      pctNum: pctNum,
      pctLabel: pctLabel,
      barWidth: Math.min(100, barWidth),
      usedDisplay: (usage && usage.used_display) || '0 MB',
    };
  }

  function showPayBanner() {
    var b = document.getElementById('payBanner');
    if (!b) return;
    b.classList.add('is-visible');
    setTimeout(function () { b.classList.remove('is-visible'); }, 5000);
  }

  function initLanguageSelect() {
    var sel = document.getElementById('language_select');
    if (!sel) return;
    sel.value = localStorage.getItem('lang') || 'zh';
    sel.onchange = function () { localStorage.setItem('lang', sel.value); };
  }

  function isPaidMember(m) {
    if (!m) return false;
    if (m.is_member === true) return true;
    return m.tier === 'member' || m.tier === 'pro';
  }

  function statusPill(sub, isMember) {
    if (!isMember) {
      return '<span class="soon-member-status-pill soon-member-status-pill--free">免费版</span>';
    }
    var st = (sub && sub.status) || 'active';
    var cls = 'soon-member-status-pill--active';
    var text = '生效中';
    if (st === 'expiring') { cls = 'soon-member-status-pill--expiring'; text = '即将到期'; }
    return '<span class="soon-member-status-pill ' + cls + '">' + text + '</span>';
  }

  function storageRing(metrics, warn) {
    var r = 52;
    var c = 2 * Math.PI * r;
    var offset = c - (c * Math.min(metrics.pctNum, 100) / 100);
    var fillCls = warn ? ' soon-member-storage-ring__fill--warn' : '';
    return '<div class="soon-member-storage-ring">' +
      '<svg viewBox="0 0 120 120" aria-hidden="true">' +
      '<defs>' +
      '<linearGradient id="memberRingGrad" x1="0%" y1="0%" x2="100%" y2="0%">' +
      '<stop offset="0%" stop-color="#00897b"/><stop offset="100%" stop-color="#4db6ac"/>' +
      '</linearGradient>' +
      '<linearGradient id="memberRingWarn" x1="0%" y1="0%" x2="100%" y2="0%">' +
      '<stop offset="0%" stop-color="#f57c00"/><stop offset="100%" stop-color="#ffb74d"/>' +
      '</linearGradient></defs>' +
      '<circle class="soon-member-storage-ring__track" cx="60" cy="60" r="' + r + '"/>' +
      '<circle class="soon-member-storage-ring__fill' + fillCls + '" cx="60" cy="60" r="' + r + '" ' +
      'stroke-dasharray="' + c + '" stroke-dashoffset="' + offset + '"/></svg>' +
      '<div class="soon-member-storage-ring__center">' +
      '<span class="soon-member-storage-ring__pct">' + metrics.pctLabel + '%</span>' +
      '<span class="soon-member-storage-ring__label">已使用</span></div></div>';
  }

  function renderMyPlan(m) {
    var el = document.getElementById('myPlan');
    if (!el) return;
    if (!m) {
      el.innerHTML = '<div class="soon-member-dash"><div class="soon-member-dash__body">' +
        '<p class="soon-member-dash__desc">加载失败，请重试</p>' +
        '<button type="button" class="soon-btn soon-btn--sm" id="myPlanRetry">重试</button></div></div>';
      var retry = document.getElementById('myPlanRetry');
      if (retry) retry.onclick = loadMembership;
      return;
    }
    currentMembership = m;
    var isMember = isPaidMember(m);
    if (typeof window.soonApplyMembership === 'function') {
      window.soonApplyMembership(m);
    } else if (typeof window.soonLoadMembership === 'function') {
      window.soonLoadMembership(true);
    }
    var usage = m.usage || {};
    var sub = m.subscription || {};

    if (!isMember) {
      el.innerHTML =
        '<div class="soon-member-dash">' +
        '<div class="soon-member-dash__body soon-member-dash__body--guest">' +
        '<div class="soon-member-dash__badge-row">' +
        '<span class="soon-member-tier soon-member-tier--free">免费版</span>' + statusPill(sub, false) + '</div>' +
        '<h2 class="soon-member-dash__title">' + esc(m.name || '免费版') + '</h2>' +
        '<p class="soon-member-dash__desc">' + esc(m.description || '免费体验设计与编辑') + '</p>' +
        '<p class="soon-member-dash__hint">订阅后可预览、打印、保存并导出作品</p>' +
        '<div class="soon-member-dash__actions">' +
        '<button type="button" class="soon-btn soon-btn--sm" id="myPlanGoPlans">查看订阅方案</button>' +
        '</div></div></div>';
      var goPlans = document.getElementById('myPlanGoPlans');
      if (goPlans) {
        goPlans.onclick = function () {
          var sec = document.getElementById('plans');
          if (sec) sec.scrollIntoView({ behavior: 'smooth', block: 'start' });
        };
      }
      return;
    }

    var quota = m.quota_mb || 2048;
    var metrics = usageMetrics(usage, quota);
    var warn = metrics.pctNum >= 90;
    var barCls = warn ? 'soon-member-progress__bar soon-member-progress__bar--warn' : 'soon-member-progress__bar';
    var expires = sub.expires_at
      ? esc(String(sub.expires_at).slice(0, 16).replace('T', ' '))
      : '—';
    var days = sub.days_remaining != null ? sub.days_remaining + ' 天' : '—';

    el.innerHTML =
      '<div class="soon-member-dash">' +
      '<div class="soon-member-dash__body">' +
      '<div class="soon-member-dash__top">' +
      '<div><div class="soon-member-dash__badge-row">' +
      '<span class="soon-member-tier">订阅版</span>' + statusPill(sub, true) + '</div>' +
      '<h2 class="soon-member-dash__title">' + esc(m.name) + '</h2>' +
      '<p class="soon-member-dash__desc">' + esc(m.description || '已解锁完整交付能力') + '</p>' +
      '<p class="soon-member-dash__expire">有效期至 <strong>' + expires + '</strong> · 剩余 ' + esc(days) + '</p></div>' +
      storageRing(metrics, warn) + '</div>' +
      '<div class="soon-member-dash__usage">' +
      '<div class="soon-member-dash__usage-head"><span>云端存储占用</span><strong>' +
      esc(metrics.usedDisplay) + ' / ' + esc(m.quota_display || quota + ' MB') +
      '（' + metrics.pctLabel + '%）</strong></div>' +
      '<div class="soon-member-progress"><div class="' + barCls + '" style="width:' + metrics.barWidth + '%"></div></div>' +
      '</div></div>' +
      '<div class="soon-member-dash__stats">' +
      '<div class="soon-member-dash__stat"><div class="soon-member-dash__stat-value">' + (usage.files_count || 0) +
      '</div><div class="soon-member-dash__stat-label">云端文件</div></div>' +
      '<div class="soon-member-dash__stat"><div class="soon-member-dash__stat-value">' + esc(days) +
      '</div><div class="soon-member-dash__stat-label">剩余天数</div></div>' +
      '</div></div>';
  }

  function orderBadge(status, refundStatus) {
    if (refundStatus === 'pending') {
      return '<span class="soon-member-order-badge soon-member-order-badge--pending">退款审核</span>';
    }
    var cls = 'soon-member-order-badge--' + (status || 'pending');
    return '<span class="soon-member-order-badge ' + cls + '">' + esc(STATUS_LABEL[status] || status) + '</span>';
  }

  function orderPagerHtml() {
    var page = orderState.page;
    var size = orderState.size;
    var total = orderState.total;
    var pages = Math.max(1, Math.ceil(total / size));
    if (total === 0) return '';
    return '<div class="soon-member-pager">' +
      '<button type="button" class="soon-btn soon-btn--sm soon-btn--ghost" id="orderPrev"' +
      (page <= 1 ? ' disabled' : '') + '>上一页</button>' +
      '<span>第 ' + page + ' / ' + pages + ' 页（共 ' + total + ' 条）</span>' +
      '<button type="button" class="soon-btn soon-btn--sm soon-btn--ghost" id="orderNext"' +
      (page >= pages ? ' disabled' : '') + '>下一页</button></div>';
  }

  function bindOrderPager() {
    var prev = document.getElementById('orderPrev');
    var next = document.getElementById('orderNext');
    if (prev && !prev.disabled) {
      prev.onclick = function () {
        orderState.page = Math.max(1, orderState.page - 1);
        loadOrders();
      };
    }
    if (next && !next.disabled) {
      next.onclick = function () {
        var pages = Math.max(1, Math.ceil(orderState.total / orderState.size));
        orderState.page = Math.min(pages, orderState.page + 1);
        loadOrders();
      };
    }
  }

  function orderActionCell(o) {
    var actions = [];
    if (o.status === 'pending') {
      actions.push('<button type="button" class="soon-btn soon-btn--xs soon-btn--ghost soon-member-order-act" ' +
        'data-act="pay" data-no="' + esc(o.order_no) + '" data-plan="' + esc(o.plan_name) + '" data-price="' +
        (o.amount_cents / 100).toFixed(2) + '" data-channel="' + esc(o.channel) + '">继续支付</button>');
      actions.push('<button type="button" class="soon-btn soon-btn--xs soon-btn--ghost soon-member-order-act soon-member-order-act--muted" ' +
        'data-act="cancel" data-no="' + esc(o.order_no) + '">取消</button>');
    } else if (o.status === 'paid' && (!o.refund_status || o.refund_status === 'none')) {
      actions.push('<button type="button" class="soon-btn soon-btn--xs soon-btn--ghost soon-member-order-act" ' +
        'data-act="refund" data-no="' + esc(o.order_no) + '">申请退款</button>');
    }
    if (!actions.length) return '<span class="soon-member-order-act--empty">—</span>';
    return '<div class="soon-member-order-actions">' + actions.join('') + '</div>';
  }

  function bindOrderActions() {
    document.querySelectorAll('.soon-member-order-act[data-act]').forEach(function (btn) {
      btn.onclick = function () {
        var act = btn.dataset.act;
        var no = btn.dataset.no;
        if (act === 'pay') {
          openPayModal(null, btn.dataset.plan, btn.dataset.price, {
            orderNo: no,
            channel: btn.dataset.channel || 'wechat',
          });
          return;
        }
        if (act === 'cancel') {
          layer.confirm('确定取消该待支付订单？', { skin: 'soon-layer', title: '取消订单' }, function (idx) {
            apiPost('/pay/orders/' + encodeURIComponent(no) + '/cancel', {}).then(function (r) {
              layer.close(idx);
              if (r.ok) {
                soonToast('订单已取消', 'success');
                loadOrders();
              } else {
                soonToast(r.message || '取消失败', 'warn');
              }
            });
          });
          return;
        }
        if (act === 'refund') {
          layer.prompt({
            skin: 'soon-layer',
            title: '申请退款',
            formType: 2,
            value: '',
            maxlength: 200,
          }, function (reason, idx) {
            reason = (reason || '').trim();
            if (!reason) {
              soonToast('请填写退款原因', 'warn');
              return;
            }
            apiPost('/pay/orders/' + encodeURIComponent(no) + '/refund-request', { reason: reason }).then(function (r) {
              layer.close(idx);
              if (r.ok) {
                soonToast('退款申请已提交', 'success');
                loadOrders();
              } else {
                soonToast(r.message || '提交失败', 'warn');
              }
            });
          });
        }
      };
    });
  }

  function renderOrders(orders) {
    var el = document.getElementById('orderHistory');
    if (!el) return;
    if (!orders || !orders.length) {
      el.innerHTML = '<div class="soon-member-orders-empty">暂无订单，订阅后将显示在这里</div>' +
        orderPagerHtml();
      bindOrderPager();
      return;
    }
    var rows = orders.map(function (o) {
      return '<tr><td>' + esc(o.order_no) + '</td><td>' + esc(o.plan_name) + '</td><td class="soon-member-orders__amount">¥' +
        (o.amount_cents / 100).toFixed(2) + '</td><td>' + esc(CHANNEL_LABEL[o.channel] || o.channel) +
        '</td><td>' + orderBadge(o.status, o.refund_status) + '</td><td>' +
        esc(String(o.paid_at || o.created_at || '').slice(0, 16).replace('T', ' ')) + '</td><td>' +
        orderActionCell(o) + '</td></tr>';
    }).join('');
    el.innerHTML = '<table><thead><tr><th>订单号</th><th>方案</th><th>金额</th><th>渠道</th><th>状态</th><th>时间</th><th>操作</th></tr></thead><tbody>' +
      rows + '</tbody></table>' + orderPagerHtml();
    bindOrderPager();
    bindOrderActions();
  }

  function loadOrders() {
    apiGet('/pay/orders?page=' + orderState.page + '&size=' + orderState.size).then(function (res) {
      if (!res.ok) {
        renderOrders([]);
        return;
      }
      var data = res.data || {};
      orderState.total = data.total || 0;
      orderState.page = data.page || orderState.page;
      orderState.size = data.size || orderState.size;
      renderOrders(data.items || []);
    }).catch(function () {
      renderOrders([]);
    });
  }

  function renderPlans(items) {
    var grid = document.getElementById('plans');
    if (!grid || !window.SoonMemberPlan) return;
    var paid = items.filter(function (p) { return p.code !== 'free' && p.price_cents > 0; });
    var currentCode = currentMembership && isPaidMember(currentMembership) ? currentMembership.code : '';
    if (!paid.length) {
      grid.innerHTML = '<div class="soon-member-orders-empty" style="grid-column:1/-1">暂无可用订阅方案</div>';
      return;
    }
    grid.innerHTML = window.SoonMemberPlan.plansGridHtml(paid, {
      allPlans: paid,
      currentCode: currentCode,
      isMember: isPaidMember(currentMembership),
      mode: 'page',
    });
    grid.querySelectorAll('.soon-plan-card__cta[data-id]').forEach(function (btn) {
      btn.onclick = function () {
        openPayModal(Number(btn.dataset.id), btn.dataset.name, btn.dataset.price);
      };
    });
  }

  function renderPlansError(message, onRetry) {
    var grid = document.getElementById('plans');
    if (!grid) return;
    grid.innerHTML = '<div class="soon-member-orders-empty" style="grid-column:1/-1">' +
      esc(message || '方案加载失败') +
      '<br><button type="button" class="soon-btn soon-btn--sm" style="margin-top:14px" id="plansRetry">重试</button></div>';
    var btn = document.getElementById('plansRetry');
    if (btn && onRetry) btn.onclick = onRetry;
  }

  function loadPlans() {
    apiGet('/plans').then(function (ps) {
      if (!ps.ok) {
        renderPlansError(ps.message || '方案加载失败', loadPlans);
        return;
      }
      renderPlans((ps.data && ps.data.items) || []);
    }).catch(function () {
      renderPlansError('网络错误，请稍后重试', loadPlans);
    });
  }

  function openPayModal(planId, planName, priceDisplay, opts) {
    opts = opts || {};
    var payCore = window.SoonMemberPay;
    if (!payCore || !payCore.openPayModal) {
      soonToast('支付模块未加载，请刷新页面', 'warn');
      return;
    }
    payCore.openPayModal({
      planId: planId,
      planName: planName,
      priceDisplay: priceDisplay,
      orderNo: opts.orderNo,
      channel: opts.channel || 'wechat',
      onPaid: function () {
        showPayBanner();
        loadMembership();
      },
    });
  }

  function loadMembership() {
    apiGet('/plans/me').then(function (my) {
      if (!my.ok || !my.data) {
        renderMyPlan(null);
        return;
      }
      renderMyPlan(my.data.membership || my.data);
      loadOrders();
      loadPlans();
    }).catch(function () {
      renderMyPlan(null);
    });
  }

  function init() {
    if (!localStorage.getItem('soon_access')) {
      location.href = 'login.web.html?redirect=' + encodeURIComponent('member.web.html');
      return;
    }
    if (window.SoonPortalTopbar) {
      SoonPortalTopbar.mount('#portal-topbar', { active: 'member' });
    } else {
      initLanguageSelect();
    }
    soonPortalAuth.init({ logoutReload: false });
    apiGet('/auth/me').then(function (me) {
      if (!me.ok) {
        location.href = 'login.web.html?redirect=' + encodeURIComponent('member.web.html');
        return;
      }
      if (me.data && me.data.role === 'admin') {
        var adminEl = document.getElementById('auth_admin');
        if (adminEl) adminEl.style.display = 'inline-flex';
      }
      loadMembership();
      if (new URLSearchParams(location.search).get('paid') || sessionStorage.getItem('soon_pay_return')) {
        sessionStorage.removeItem('soon_pay_return');
        showPayBanner();
        loadMembership();
      }
    }).catch(function () {
      renderMyPlan(null);
      renderPlansError('网络错误，请稍后重试', function () { location.reload(); });
      var ordersEl = document.getElementById('orderHistory');
      if (ordersEl) {
        ordersEl.innerHTML = '<div class="soon-member-orders-empty">加载失败，<button type="button" class="soon-btn soon-btn--sm" id="ordersRetry">重试</button></div>';
        var ordersRetry = document.getElementById('ordersRetry');
        if (ordersRetry) ordersRetry.onclick = function () { location.reload(); };
      }
    });
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();