async function loadStats() {
  try {
    // 并行加载所有数据
    const [monthlyRes, bossRankRes, partnerRankRes, weeklyRes] = await Promise.all([
      fetch(API + '/api/stats/monthly?year=' + currentYear + '&month=' + currentMonth, { headers: headers() }),
      fetch(API + '/api/stats/boss-ranking/preview?year=' + currentYear + '&month=' + currentMonth, { headers: headers() }),
      fetch(API + '/api/stats/partner-ranking/preview?year=' + currentYear + '&month=' + currentMonth, { headers: headers() }),
      fetch(API + '/api/stats/daily-income', { headers: headers() })
    ]);

    if (monthlyRes.ok) {
      const s = await monthlyRes.json();
      document.getElementById('takeCount').textContent = s.take_order_count;
      document.getElementById('dispatchCount').textContent = s.dispatch_order_count;
      document.getElementById('takeIncome').textContent = '' + s.take_order_income.toFixed(2);
      document.getElementById('dispatchIncome').textContent = '' + s.dispatch_order_income.toFixed(2);
      document.getElementById('redEnvelopeCount').textContent = s.redEnvelope_count || 0;
      document.getElementById('redEnvelopeIncome').textContent = '' + (s.redEnvelope_income || 0).toFixed(2);
      document.getElementById('milkTeaCount').textContent = s.milkTea_count || 0;
      document.getElementById('milkTeaIncome').textContent = '' + (s.milkTea_income || 0).toFixed(2);
      document.getElementById('totalIncome').textContent = '' + s.total_income.toFixed(2);
      document.getElementById('totalExpense').textContent = '' + s.total_expense.toFixed(2);
      document.getElementById('netIncome').textContent = '' + (s.total_income - s.total_expense).toFixed(2);
    }

    if (bossRankRes.ok) {
      const data = await bossRankRes.json();
      renderBossRankingPreview(data || []);
    }

    if (partnerRankRes.ok) {
      const data = await partnerRankRes.json();
      renderPartnerRankingPreview(data || []);
    }

    if (weeklyRes.ok) {
      const days = await weeklyRes.json();
      renderWeeklyChart(days);
    }
  } catch (e) { console.error(e); }
}

async function loadWeeklyChart() {
  try {
    const res = await fetch(API + '/api/stats/daily-income', { headers: headers() });
    if (!res.ok) return;
    const days = await res.json();
    renderWeeklyChart(days);
  } catch (e) { console.error(e); }
}

function renderWeeklyChart(days) {
  const container = document.getElementById('weeklyChartBars');
  if (!days || days.length === 0) {
    container.innerHTML = '<div class="ranking-empty">暂无数据</div>';
    return;
  }
  const max = Math.max(...days.map(d => d.income), 1);
  const barMaxHeight = 110; // 柱状图最大可用像素高度
  container.innerHTML = days.map(d => {
    const height = Math.max((d.income / max) * barMaxHeight, 4);
    const label = d.date.slice(5).replace('-', '/');
    const amount = d.income > 0 ? '' + d.income.toFixed(0) : '0';
    return `<div class="weekly-bar-col" onclick="openDailyDetail('${d.date}')">
      <span class="weekly-bar-amount">${amount}</span>
      <div class="weekly-bar" style="height:${height}px"></div>
      <span class="weekly-bar-date">${label}</span>
    </div>`;
  }).join('');
}

let currentDailyDate = '';

async function openDailyDetail(date) {
  currentDailyDate = date;
  document.getElementById('dailyDetailTitle').textContent = date + ' 收入';
  document.getElementById('dailyNavDate').textContent = date;
  document.getElementById('dailySummary').innerHTML = '<div class="ranking-empty">加载中...</div>';
  document.getElementById('dailyDetailList').innerHTML = '';
  if (!document.getElementById('dailyDetailPage').classList.contains('active')) {
    showPage('dailyDetailPage');
  }
  try {
    const res = await fetch(API + '/api/stats/daily-detail?date=' + date, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    document.getElementById('dailySummary').innerHTML = `
      <div class="daily-summary-amount">${data.total_income.toFixed(2)}</div>
      <div class="daily-summary-label">当日总收入</div>
    `;
    const container = document.getElementById('dailyDetailList');
    if (data.records.length === 0) {
      container.innerHTML = '<div class="ranking-empty">当日暂无收入记录</div>';
      return;
    }
    container.innerHTML = data.records.map(r => {
      const time = formatLocalTime(r.created_at);
      const displayCategory = r.category === '红包收入' ? '红包' : (r.category || '-');
      return `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
        <div class="order-item-top">
          <span class="order-item-boss">${displayCategory}${r.boss ? ' · ' + r.boss : ''}</span>
          <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
        </div>
        <div class="order-item-bottom">
          <span>${r.quantity ? r.quantity + '单 × ' + (r.category === '派单' ? (r.rebate || r.amount / r.quantity).toFixed(2) + '（单价' + (r.unit_price || 0).toFixed(2) + '）' : (r.unit_price || 0).toFixed(2)) : (r.source || '')}</span>
          <span>${time}${r.partner ? ' · ' + r.partner : ''}</span>
        </div>
      </div>`;
    }).join('');
  } catch (e) { console.error(e); }
}

function switchDailyDate(offset) {
  const d = new Date(currentDailyDate);
  d.setDate(d.getDate() + offset);
  openDailyDetail(formatLocalDate(d));
}

let monthlyDetailYear, monthlyDetailMonth;

function openMonthlyDetail(type) {
  monthlyDetailYear = currentYear;
  monthlyDetailMonth = currentMonth;
  loadMonthlyDetail(type);
}

function switchMonthlyDetail(type, offset) {
  monthlyDetailMonth += offset;
  if (monthlyDetailMonth > 12) { monthlyDetailMonth = 1; monthlyDetailYear++; }
  if (monthlyDetailMonth < 1) { monthlyDetailMonth = 12; monthlyDetailYear--; }
  loadMonthlyDetail(type);
}

function openYearlyIncome() {
  loadYearlyNetIncome();
}

async function loadYearlyNetIncome() {
  document.getElementById('yearlyNetIncomeSummary').innerHTML = '<div class="ranking-empty">加载中...</div>';
  document.getElementById('yearlyNetIncomeList').innerHTML = '';

  if (!document.getElementById('yearlyNetIncomePage').classList.contains('active')) {
    showPage('yearlyNetIncomePage');
  }

  try {
    const res = await fetch(API + '/api/stats/yearly-net-income', { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();

    const grandNetIncome = (data.grandTotal.total_income || 0) - (data.grandTotal.total_expense || 0);
    const grandColor = grandNetIncome >= 0 ? '#27ae60' : '#e74c3c';
    document.getElementById('yearlyNetIncomeSummary').innerHTML = `
      <div class="daily-summary-amount" style="color:${grandColor}">${grandNetIncome.toFixed(2)}</div>
      <div class="daily-summary-label">累计净收入</div>
    `;

    const container = document.getElementById('yearlyNetIncomeList');
    const monthNames = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'];

    if (data.yearlyStats.length === 0) {
      container.innerHTML = '<div class="ranking-empty">暂无数据</div>';
      return;
    }

    container.innerHTML = data.yearlyStats.map(y => {
      const year = y.year;
      const income = y.total_income || 0;
      const expense = y.total_expense || 0;
      const net = income - expense;
      const netColor = net >= 0 ? '#27ae60' : '#e74c3c';

      const monthlyData = data.monthlyData[year] || [];
      const monthlyHtml = monthlyData.map(m => {
        const mIncome = m.total_income || 0;
        const mExpense = m.total_expense || 0;
        const mNet = mIncome - mExpense;
        const mColor = mNet >= 0 ? '#27ae60' : '#e74c3c';
        return `<div style="display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #f0f0f0;font-size:14px;">
          <span>${monthNames[parseInt(m.month) - 1]}</span>
          <span style="color:${mColor}">${mNet.toFixed(2)}</span>
        </div>`;
      }).join('');

      return `<div class="order-item" style="padding:0;">
        <div class="order-item-top" style="padding:12px;">
          <span class="order-item-boss">${year}年</span>
          <span class="order-item-amount" style="color:${netColor}">${net.toFixed(2)}</span>
        </div>
        <div class="order-item-bottom" style="padding:0 12px 12px;">
          <span>收入: ${income.toFixed(2)} | 支出: ${expense.toFixed(2)}</span>
        </div>
        <div style="border-top:1px solid #eee;">${monthlyHtml}</div>
      </div>`;
    }).join('');
  } catch (e) { console.error(e); }
}

async function loadMonthlyDetail(type) {
  const pageId = type === 'income' ? 'monthlyIncomeDetailPage' : 'monthlyExpenseDetailPage';
  const titleId = type === 'income' ? 'monthlyIncomeTitle' : 'monthlyExpenseTitle';
  const navId = type === 'income' ? 'monthlyIncomeNav' : 'monthlyExpenseNav';
  const summaryId = type === 'income' ? 'monthlyIncomeSummary' : 'monthlyExpenseSummary';
  const listId = type === 'income' ? 'monthlyIncomeList' : 'monthlyExpenseList';
  const label = type === 'income' ? '收入' : '支出';

  document.getElementById(titleId).textContent = `${monthlyDetailYear}年${monthlyDetailMonth}月${label}`;
  document.getElementById(navId).textContent = `${monthlyDetailYear}年${monthlyDetailMonth}月`;
  document.getElementById(summaryId).innerHTML = '<div class="ranking-empty">加载中...</div>';
  document.getElementById(listId).innerHTML = '';

  if (!document.getElementById(pageId).classList.contains('active')) {
    showPage(pageId);
  }

  try {
    const res = await fetch(API + '/api/stats/monthly-records?type=' + type + '&year=' + monthlyDetailYear + '&month=' + monthlyDetailMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const color = type === 'income' ? '#27ae60' : '#e74c3c';
    document.getElementById(summaryId).innerHTML = `
      <div class="daily-summary-amount" style="color:${color}">${data.total.toFixed(2)}</div>
      <div class="daily-summary-label">当月总${label}</div>
    `;
    const container = document.getElementById(listId);
    if (data.records.length === 0) {
      container.innerHTML = '<div class="ranking-empty">当月暂无' + label + '记录</div>';
      return;
    }
    const grouped = {};
    data.records.forEach(r => {
      const date = formatLocalDate(r.created_at);
      if (!grouped[date]) grouped[date] = [];
      grouped[date].push(r);
    });
    let html = '';
    for (const [date, records] of Object.entries(grouped)) {
      html += `<div class="order-date-group"><div class="order-date-label">${date}</div>`;
      records.forEach(r => {
        const time = formatLocalTime(r.created_at);
        const displayCategory = r.category === '红包收入' ? '红包' : (r.category || '-');
        html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
          <div class="order-item-top">
            <span class="order-item-boss">${displayCategory}${r.boss ? ' · ' + r.boss : r.source ? ' · ' + r.source : r.destination ? ' · ' + r.destination : ''}</span>
            <span class="order-item-amount">${type === 'expense' ? '-' : ''}${(r.amount || 0).toFixed(2)}</span>
          </div>
          <div class="order-item-bottom">
            <span>${r.quantity ? r.quantity + '单 × ' + (r.category === '派单' ? (r.rebate || r.amount / r.quantity).toFixed(2) + '（单价' + (r.unit_price || 0).toFixed(2) + '）' : (r.unit_price || 0).toFixed(2)) : (r.note || '')}</span>
            <span>${time}${r.partner ? ' · ' + r.partner : ''}</span>
          </div>
        </div>`;
      });
      html += '</div>';
    }
    container.innerHTML = html;
  } catch (e) { console.error(e); }
}

async function loadBossRankingPreview() {
  try {
    const res = await fetch(API + '/api/stats/boss-ranking/preview?year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const rows = await res.json();
    renderBossRankingPreview(rows);
  } catch (e) { console.error(e); }
}

function renderBossRankingPreview(rows) {
  const container = document.getElementById('rankingPreviewList');
  if (!rows || rows.length === 0) {
    container.innerHTML = '<div class="ranking-empty">暂无数据</div>';
    return;
  }
  const max = Math.max(...rows.map(r => r.total_income), 1);
  container.innerHTML = rows.map((r, i) => {
    const pct = Math.max((r.total_income / max) * 100, 2);
    return `<div class="hbar-row" onclick="openBossDetail('${r.boss.replace(/'/g, "\\'")}', 'homePage')">
      <div class="hbar-index ${i < 3 ? 'top' : ''}">${i + 1}</div>
      <div class="hbar-label" title="${r.boss}">${r.boss}</div>
      <div class="hbar-track"><div class="hbar-fill" style="width:${pct}%"></div></div>
      <div class="hbar-value">${r.total_income.toFixed(2)}</div>
    </div>`;
  }).join('');
}

let currentBossName = '';
let bossDetailFrom = 'homePage';
let bossDetailYear = 0;
let bossDetailMonth = 0;
let bossDetailScopeAll = false;
let bossDetailPage = 1;
let bossDetailLimit = 20;
let bossDetailTotalCount = 0;
let bossDetailAllRecords = [];
let bossDetailLoading = false;
let bossDetailScrollHandler = null;

function openBossDetail(boss, from) {
  currentBossName = boss;
  bossDetailFrom = from || 'homePage';
  bossDetailYear = currentYear;
  bossDetailMonth = currentMonth;
  // 从排行榜进入时默认显示全部
  bossDetailScopeAll = (from === 'rankingPage' || from === 'takeRankingPage');
  bossDetailPage = 1;
  bossDetailLimit = bossDetailScopeAll ? 500 : 20;
  bossDetailTotalCount = 0;
  bossDetailAllRecords = [];
  updateBossDetailNav();
  loadBossDetail();
}

function bossDetailGoBack() {
  if (bossDetailScrollHandler) {
    window.removeEventListener('scroll', bossDetailScrollHandler);
    bossDetailScrollHandler = null;
  }
  showPage(bossDetailFrom);
}

function updateBossDetailNav() {
  const scopeEl = document.getElementById('bossDetailScope');
  const allBtn = document.getElementById('bossDetailAllBtn');
  if (bossDetailScopeAll) {
    scopeEl.textContent = '全部';
    allBtn.textContent = '当月';
    allBtn.classList.add('active');
  } else {
    scopeEl.textContent = `${bossDetailYear}年${bossDetailMonth}月`;
    allBtn.textContent = '全部';
    allBtn.classList.remove('active');
  }
}

function switchBossDetailScope(offset) {
  if (bossDetailScopeAll) return;
  bossDetailMonth += offset;
  if (bossDetailMonth > 12) { bossDetailMonth = 1; bossDetailYear++; }
  if (bossDetailMonth < 1) { bossDetailMonth = 12; bossDetailYear--; }
  bossDetailPage = 1;
  bossDetailAllRecords = [];
  updateBossDetailNav();
  loadBossDetail();
}

function toggleBossDetailAll() {
  bossDetailScopeAll = !bossDetailScopeAll;
  bossDetailPage = 1;
  bossDetailAllRecords = [];
  if (bossDetailScopeAll) {
    bossDetailLimit = 500;
  } else {
    bossDetailLimit = 20;
    bossDetailYear = currentYear;
    bossDetailMonth = currentMonth;
  }
  updateBossDetailNav();
  loadBossDetail();
}

function loadMoreBossDetail() {
  bossDetailPage++;
  loadBossDetail(true);
}

async function loadBossDetail(append) {
  if (bossDetailLoading) return;
  bossDetailLoading = true;

  if (!append) {
    document.getElementById('bossDetailTitle').textContent = currentBossName + ' 交易记录';
    document.getElementById('bossDetailSummary').innerHTML = '<div class="ranking-empty">加载中...</div>';
    document.getElementById('bossDetailList').innerHTML = '';
    showPage('bossDetailPage');
  }

  let url = API + '/api/stats/boss-records?boss=' + encodeURIComponent(currentBossName) + '&page=' + bossDetailPage + '&limit=' + bossDetailLimit;
  if (!bossDetailScopeAll) {
    url += '&year=' + bossDetailYear + '&month=' + bossDetailMonth;
  }

  try {
    const res = await fetch(url, { headers: headers() });
    if (!res.ok) { bossDetailLoading = false; return; }
    const data = await res.json();

    if (!append) {
      document.getElementById('bossDetailSummary').innerHTML = `
        <div style="display:flex;justify-content:space-around;flex-wrap:wrap;gap:8px">
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#e74c3c">${data.boss_total_expense.toFixed(2)}</div>
            <div class="daily-summary-label">老板总支出</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#27ae60">${data.my_income.toFixed(2)}</div>
            <div class="daily-summary-label">我的总收入</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#3498db">${data.take_count || 0}</div>
            <div class="daily-summary-label">接单数</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#9b59b6">${data.dispatch_count || 0}</div>
            <div class="daily-summary-label">派单数</div>
          </div>
        </div>
      `;
      bossDetailAllRecords = data.records || [];
      setupBossDetailScroll();
    } else {
      bossDetailAllRecords = bossDetailAllRecords.concat(data.records || []);
    }
    bossDetailTotalCount = data.totalCount || 0;

    const container = document.getElementById('bossDetailList');
    const moreBtn = document.getElementById('bossDetailMore');

    if (bossDetailAllRecords.length === 0) {
      container.innerHTML = '<div class="ranking-empty">暂无交易记录</div>';
      if (moreBtn) moreBtn.style.display = 'none';
      bossDetailLoading = false;
      return;
    }

    const grouped = {};
    bossDetailAllRecords.forEach(r => {
      const d = new Date(r.created_at);
      const key = d.getFullYear() + '-' + String(d.getMonth() + 1).padStart(2, '0');
      if (!grouped[key]) grouped[key] = { records: [], total: 0 };
      grouped[key].records.push(r);
      grouped[key].total += r.amount || 0;
    });
    let html = '';
    for (const [month, group] of Object.entries(grouped)) {
      html += `<div class="order-date-group"><div class="order-date-label">${month}　收入 ${group.total.toFixed(2)}</div>`;
      group.records.forEach(r => {
        const time = formatLocalDate(r.created_at) + ' ' + formatLocalTime(r.created_at);
        const displayCategory = r.category === '红包收入' ? '红包' : r.category;
        html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
          <div class="order-item-top">
            <span class="order-item-boss">${displayCategory}${r.partner ? ' · ' + r.partner : ''}</span>
            <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
          </div>
          <div class="order-item-bottom">
            <span>${r.quantity ? r.quantity + '单 × ' + (r.category === '派单' ? (r.rebate || r.amount / r.quantity).toFixed(2) + '（单价' + (r.unit_price || 0).toFixed(2) + '）' : (r.unit_price || 0).toFixed(2)) : (r.note || '')}</span>
            <span>${time}</span>
          </div>
        </div>`;
      });
      html += '</div>';
    }
    container.innerHTML = html;

    // Show/hide load more indicator
    if (moreBtn) {
      if (bossDetailAllRecords.length < bossDetailTotalCount) {
        moreBtn.style.display = 'block';
        moreBtn.textContent = '加载中... (' + bossDetailAllRecords.length + '/' + bossDetailTotalCount + ')';
      } else {
        moreBtn.style.display = 'none';
      }
    }
    bossDetailLoading = false;
  } catch (e) {
    bossDetailLoading = false;
    console.error(e);
  }
}

function setupBossDetailScroll() {
  if (bossDetailScrollHandler) {
    window.removeEventListener('scroll', bossDetailScrollHandler);
  }
  bossDetailScrollHandler = function() {
    if (bossDetailLoading) return;
    if (bossDetailScopeAll && bossDetailAllRecords.length >= bossDetailTotalCount) {
      window.removeEventListener('scroll', bossDetailScrollHandler);
      return;
    }
    const scrollY = window.scrollY;
    const windowHeight = window.innerHeight;
    const docHeight = document.documentElement.scrollHeight;
    if (scrollY + windowHeight >= docHeight - 200) {
      bossDetailPage++;
      loadBossDetail(true);
    }
  };
  window.addEventListener('scroll', bossDetailScrollHandler);
}

async function loadPartnerRankingPreview() {
  try {
    const res = await fetch(API + '/api/stats/partner-ranking/preview?year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const rows = await res.json();
    renderPartnerRankingPreview(rows);
  } catch (e) { console.error(e); }
}

function renderPartnerRankingPreview(rows) {
  const container = document.getElementById('partnerRankingPreviewList');
  if (!rows || rows.length === 0) {
    container.innerHTML = '<div class="ranking-empty">暂无数据</div>';
    return;
  }
  const max = Math.max(...rows.map(r => r.dispatch_count), 1);
  container.innerHTML = rows.map((r, i) => {
    const pct = Math.max((r.dispatch_count / max) * 100, 2);
    return `<div class="hbar-row" onclick="openPartnerDetail('${r.partner.replace(/'/g, "\\'")}', 'homePage')">
      <div class="hbar-index ${i < 3 ? 'top' : ''}">${i + 1}</div>
      <div class="hbar-label" title="${r.partner}">${r.partner}</div>
      <div class="hbar-track"><div class="hbar-fill" style="width:${pct}%"></div></div>
      <div class="hbar-value">${r.dispatch_count}单</div>
    </div>`;
  }).join('');
}

function openPartnerRankingPage() {
  const now = new Date();
  const y = now.getFullYear();
  const m = String(now.getMonth() + 1).padStart(2, '0');
  document.getElementById('partnerRankStartDate').value = y + '-' + m + '-01';
  document.getElementById('partnerRankEndDate').value = y + '-' + m + '-' + String(now.getDate()).padStart(2, '0');
  showPage('partnerRankingPage');
  loadPartnerRankingDetail();
}

async function loadPartnerRankingDetail() {
  const startDate = document.getElementById('partnerRankStartDate').value;
  const endDate = document.getElementById('partnerRankEndDate').value;
  let url = API + '/api/stats/partner-ranking';
  const params = [];
  if (startDate) params.push('startDate=' + startDate);
  if (endDate) {
    const d = new Date(endDate);
    d.setDate(d.getDate() + 1);
    params.push('endDate=' + formatLocalDate(d));
  }
  if (params.length) url += '?' + params.join('&');
  console.log('partner-ranking url:', url);
  try {
    const res = await fetch(url, { headers: headers() });
    console.log('partner-ranking res.ok:', res.ok);
    if (!res.ok) return;
    const data = await res.json();
    console.log('partner-ranking data:', data);
    const rows = data.rows || [];
    console.log('rows:', rows);
    const summary = data.summary || { total_partner_income: 0, total_rebate_income: 0, total_milkTea_income: 0 };

    // 计算派单总数（从列表）
    const totalDispatch = rows.reduce((sum, r) => sum + (r.dispatch_count || 0), 0);
    console.log('totalDispatch:', totalDispatch);

    // 更新统计卡片
    document.getElementById('partnerTotalDispatchCount').textContent = totalDispatch;
    document.getElementById('totalPartnerIncome').textContent = (summary.total_partner_income || 0).toFixed(2);
    document.getElementById('totalRebateIncome').textContent = summary.total_rebate_income.toFixed(2);
    document.getElementById('totalMilkTeaIncome').textContent = (summary.total_milkTea_income || 0).toFixed(2);

    const container = document.getElementById('partnerRankingDetailList');
    if (rows.length === 0) {
      container.innerHTML = '<div class="ranking-empty">暂无数据</div>';
      return;
    }
    const max = Math.max(...rows.map(r => r.dispatch_count), 1);
    container.innerHTML = rows.map((r, i) => {
      const pct = Math.max((r.dispatch_count / max) * 100, 2);
      return `<div class="hbar-row" onclick="openPartnerDetail('${r.partner.replace(/'/g, "\\'")}', 'partnerRankingPage')">
        <div class="hbar-index ${i < 3 ? 'top' : ''}">${i + 1}</div>
        <div class="hbar-label" title="${r.partner}">${r.partner}</div>
        <div class="hbar-track"><div class="hbar-fill" style="width:${pct}%"></div></div>
        <div class="hbar-value">${r.dispatch_count}单</div>
      </div>`;
    }).join('');
  } catch (e) { console.error(e); }
}

let currentPartnerName = '';
let partnerDetailFrom = 'homePage';
let partnerDetailYear = 0;
let partnerDetailMonth = 0;
let partnerDetailScopeAll = false;
let partnerDetailPage = 1;
let partnerDetailLimit = 20;
let partnerDetailTotalCount = 0;
let partnerDetailAllRecords = [];
let partnerDetailLoading = false;
let partnerDetailScrollHandler = null;

function openPartnerDetail(partner, from) {
  currentPartnerName = partner;
  partnerDetailFrom = from || 'homePage';
  partnerDetailYear = currentYear;
  partnerDetailMonth = currentMonth;
  // 从排行榜进入时默认显示全部
  partnerDetailScopeAll = (from === 'dispatchRankingPage' || from === 'partnerRankingPage');
  partnerDetailPage = 1;
  partnerDetailLimit = partnerDetailScopeAll ? 500 : 20;
  partnerDetailTotalCount = 0;
  partnerDetailAllRecords = [];
  updatePartnerDetailNav();
  loadPartnerDetail();
}

function partnerDetailGoBack() {
  if (partnerDetailScrollHandler) {
    window.removeEventListener('scroll', partnerDetailScrollHandler);
    partnerDetailScrollHandler = null;
  }
  showPage(partnerDetailFrom);
}

function updatePartnerDetailNav() {
  const scopeEl = document.getElementById('partnerDetailScope');
  const allBtn = document.getElementById('partnerDetailAllBtn');
  if (partnerDetailScopeAll) {
    scopeEl.textContent = '全部';
    allBtn.textContent = '当月';
    allBtn.classList.add('active');
  } else {
    scopeEl.textContent = `${partnerDetailYear}年${partnerDetailMonth}月`;
    allBtn.textContent = '全部';
    allBtn.classList.remove('active');
  }
}

function switchPartnerDetailScope(offset) {
  if (partnerDetailScopeAll) return;
  partnerDetailMonth += offset;
  if (partnerDetailMonth > 12) { partnerDetailMonth = 1; partnerDetailYear++; }
  if (partnerDetailMonth < 1) { partnerDetailMonth = 12; partnerDetailYear--; }
  partnerDetailPage = 1;
  partnerDetailAllRecords = [];
  updatePartnerDetailNav();
  loadPartnerDetail();
}

function togglePartnerDetailAll() {
  partnerDetailScopeAll = !partnerDetailScopeAll;
  partnerDetailPage = 1;
  partnerDetailAllRecords = [];
  if (partnerDetailScopeAll) {
    partnerDetailLimit = 500;
  } else {
    partnerDetailLimit = 20;
    partnerDetailYear = currentYear;
    partnerDetailMonth = currentMonth;
  }
  updatePartnerDetailNav();
  loadPartnerDetail();
}

async function loadPartnerDetail(append) {
  if (partnerDetailLoading) return;
  partnerDetailLoading = true;

  if (!append) {
    document.getElementById('partnerDetailTitle').textContent = currentPartnerName + ' 交易记录';
    document.getElementById('partnerDetailSummary').innerHTML = '<div class="ranking-empty">加载中...</div>';
    document.getElementById('partnerDetailList').innerHTML = '';
    showPage('partnerDetailPage');
  }

  let url = API + '/api/stats/partner-records?partner=' + encodeURIComponent(currentPartnerName) + '&page=' + partnerDetailPage + '&limit=' + partnerDetailLimit;
  if (!partnerDetailScopeAll) {
    url += '&year=' + partnerDetailYear + '&month=' + partnerDetailMonth;
  }

  try {
    const res = await fetch(url, { headers: headers() });
    if (!res.ok) { partnerDetailLoading = false; return; }
    const data = await res.json();

    if (!append) {
      document.getElementById('partnerDetailSummary').innerHTML = `
        <div style="display:flex;justify-content:space-around;flex-wrap:wrap;gap:8px">
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px">${data.dispatch_count}</div>
            <div class="daily-summary-label">总派单数</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#e67e22">${data.spread_income.toFixed(2)}</div>
            <div class="daily-summary-label">陪玩总收入</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#27ae60">${data.rebate_income.toFixed(2)}</div>
            <div class="daily-summary-label">总返点收入</div>
          </div>
          <div style="text-align:center">
            <div class="daily-summary-amount" style="font-size:24px;color:#3498db">${data.other_income.toFixed(2)}</div>
            <div class="daily-summary-label">红包及其他</div>
          </div>
        </div>
      `;
      partnerDetailAllRecords = data.records || [];
      setupPartnerDetailScroll();
    } else {
      partnerDetailAllRecords = partnerDetailAllRecords.concat(data.records || []);
    }
    partnerDetailTotalCount = data.totalCount || 0;

    const container = document.getElementById('partnerDetailList');
    const moreBtn = document.getElementById('partnerDetailMore');

    if (partnerDetailAllRecords.length === 0) {
      container.innerHTML = '<div class="ranking-empty">暂无交易记录</div>';
      if (moreBtn) moreBtn.style.display = 'none';
      partnerDetailLoading = false;
      return;
    }

    const grouped = {};
    partnerDetailAllRecords.forEach(r => {
      const d = new Date(r.created_at);
      const key = d.getFullYear() + '-' + String(d.getMonth() + 1).padStart(2, '0');
      if (!grouped[key]) grouped[key] = { records: [], total: 0 };
      grouped[key].records.push(r);
      grouped[key].total += r.amount || 0;
    });
    let html = '';
    for (const [month, group] of Object.entries(grouped)) {
      html += `<div class="order-date-group"><div class="order-date-label">${month}　收入 ${group.total.toFixed(2)}</div>`;
      group.records.forEach(r => {
        const time = formatLocalDate(r.created_at) + ' ' + formatLocalTime(r.created_at);
        const displayCategory = r.category === '红包收入' ? '红包' : r.category;
        html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
          <div class="order-item-top">
            <span class="order-item-boss">${displayCategory}${r.boss ? ' · ' + r.boss : ''}</span>
            <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
          </div>
          <div class="order-item-bottom">
            <span>${r.quantity ? r.quantity + '单 × ' + (r.category === '派单' ? (r.rebate || r.amount / r.quantity).toFixed(2) + '（单价' + (r.unit_price || 0).toFixed(2) + '）' : (r.unit_price || 0).toFixed(2)) : (r.source || '')}</span>
            <span>${time}</span>
          </div>
        </div>`;
      });
      html += '</div>';
    }
    container.innerHTML = html;

    if (moreBtn) {
      if (partnerDetailAllRecords.length < partnerDetailTotalCount) {
        moreBtn.style.display = 'block';
        moreBtn.textContent = '加载中... (' + partnerDetailAllRecords.length + '/' + partnerDetailTotalCount + ')';
      } else {
        moreBtn.style.display = 'none';
      }
    }
    partnerDetailLoading = false;
  } catch (e) {
    partnerDetailLoading = false;
    console.error(e);
  }
}

function setupPartnerDetailScroll() {
  if (partnerDetailScrollHandler) {
    window.removeEventListener('scroll', partnerDetailScrollHandler);
  }
  partnerDetailScrollHandler = function() {
    if (partnerDetailLoading) return;
    if (partnerDetailScopeAll && partnerDetailAllRecords.length >= partnerDetailTotalCount) {
      window.removeEventListener('scroll', partnerDetailScrollHandler);
      return;
    }
    const scrollY = window.scrollY;
    const windowHeight = window.innerHeight;
    const docHeight = document.documentElement.scrollHeight;
    if (scrollY + windowHeight >= docHeight - 200) {
      partnerDetailPage++;
      loadPartnerDetail(true);
    }
  };
  window.addEventListener('scroll', partnerDetailScrollHandler);
}