let orderPage = 1;
let orderHasMore = true;
let orderLoading = false;

async function loadOrders(append) {
  if (orderLoading || (!append && !orderHasMore)) return;
  orderLoading = true;
  document.getElementById('orderLoading').style.display = 'block';
  try {
    const res = await fetch(API + '/api/records/orders?page=' + orderPage + '&limit=20&year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const container = document.getElementById('orderList');
    if (!append) container.innerHTML = '';
    if (data.records.length === 0) {
      if (orderPage === 1) container.innerHTML = '<div class="ranking-empty">暂无接单记录</div>';
      orderHasMore = false;
    } else {
      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" data-date="${date}">
          <div class="order-date-label">${date}</div>`;
        records.forEach(r => {
          const time = formatLocalTime(r.created_at);
          html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
            <div class="order-item-top">
              <span class="order-item-boss">${r.boss || '-'}</span>
              <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
            </div>
            <div class="order-item-bottom">
              <span>${r.quantity || 0}单 × ${(r.unit_price || 0).toFixed(2)}</span>
              <span>${time}${r.partner ? ' · ' + r.partner : ''}</span>
            </div>
          </div>`;
        });
        html += '</div>';
      }
      container.insertAdjacentHTML('beforeend', html);
      orderHasMore = data.records.length >= 20;
      orderPage++;
      if (!append) {
        const today = formatLocalDate(new Date());
        setTimeout(() => {
          const el = container.querySelector(`[data-date="${today}"]`);
          if (el) el.scrollIntoView({ behavior: 'smooth', block: 'start' });
        }, 100);
      }
    }
  } catch (e) { console.error(e); }
  orderLoading = false;
  document.getElementById('orderLoading').style.display = 'none';
}

// 滚动加载
window.addEventListener('scroll', () => {
  if (document.getElementById('orderListPage').classList.contains('active')) {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 100) {
      if (orderHasMore && !orderLoading) loadOrders(true);
    }
  }
  if (document.getElementById('dispatchListPage').classList.contains('active')) {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 100) {
      if (dispatchHasMore && !dispatchLoading) loadDispatches(true);
    }
  }
  if (document.getElementById('otherIncomeListPage').classList.contains('active')) {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 100) {
      if (otherIncomeHasMore && !otherIncomeLoading) loadOtherIncome(true);
    }
  }
  if (document.getElementById('redEnvelopeListPage').classList.contains('active')) {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 100) {
      if (redEnvelopeHasMore && !redEnvelopeLoading) loadRedEnvelope(true);
    }
  }
  if (document.getElementById('milkTeaListPage').classList.contains('active')) {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 100) {
      if (milkTeaHasMore && !milkTeaLoading) loadMilkTea(true);
    }
  }
});

// 红包及其他收入列表
let otherIncomePage = 1;
let otherIncomeHasMore = true;
let otherIncomeLoading = false;

async function loadOtherIncome(append) {
  if (otherIncomeLoading || (!append && !otherIncomeHasMore)) return;
  otherIncomeLoading = true;
  document.getElementById('otherIncomeLoading').style.display = 'block';
  try {
    const res = await fetch(API + '/api/records/other-income?page=' + otherIncomePage + '&limit=20&year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const container = document.getElementById('otherIncomeList');
    if (!append) container.innerHTML = '';
    if (data.records.length === 0) {
      if (otherIncomePage === 1) container.innerHTML = '<div class="ranking-empty">暂无红包及其他收入记录</div>';
      otherIncomeHasMore = false;
    } else {
      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" data-date="${date}">
          <div class="order-date-label">${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}${r.boss ? ' · ' + r.boss : ''}</span>
              <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
            </div>
            <div class="order-item-bottom">
              <span>${r.source || ''}</span>
              <span>${time}</span>
            </div>
          </div>`;
        });
        html += '</div>';
      }
      container.insertAdjacentHTML('beforeend', html);
      otherIncomeHasMore = data.records.length >= 20;
      otherIncomePage++;
    }
  } catch (e) { console.error(e); }
  otherIncomeLoading = false;
  document.getElementById('otherIncomeLoading').style.display = 'none';
}

// 派单列表
let dispatchPage = 1;
let dispatchHasMore = true;
let dispatchLoading = false;

async function loadDispatches(append) {
  if (dispatchLoading || (!append && !dispatchHasMore)) return;
  dispatchLoading = true;
  document.getElementById('dispatchLoading').style.display = 'block';
  try {
    const res = await fetch(API + '/api/records/dispatches?page=' + dispatchPage + '&limit=20&year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const container = document.getElementById('dispatchList');
    if (!append) container.innerHTML = '';
    if (data.records.length === 0) {
      if (dispatchPage === 1) container.innerHTML = '<div class="ranking-empty">暂无派单记录</div>';
      dispatchHasMore = false;
    } else {
      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" data-date="${date}">
          <div class="order-date-label">${date}</div>`;
        records.forEach(r => {
          const time = formatLocalTime(r.created_at);
          html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
            <div class="order-item-top">
              <span class="order-item-boss">${r.boss || '-'}</span>
              <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
            </div>
            <div class="order-item-bottom">
              <span>${r.quantity || 0}单 × ${(r.rebate || r.amount / r.quantity).toFixed(2)}（单价${(r.unit_price || 0).toFixed(2)}）</span>
              <span>${time}${r.partner ? ' · ' + r.partner : ''}</span>
            </div>
          </div>`;
        });
        html += '</div>';
      }
      container.insertAdjacentHTML('beforeend', html);
      dispatchHasMore = data.records.length >= 20;
      dispatchPage++;
    }
  } catch (e) { console.error(e); }
  dispatchLoading = false;
  document.getElementById('dispatchLoading').style.display = 'none';
}

// 红包收入列表
let redEnvelopePage = 1;
let redEnvelopeHasMore = true;
let redEnvelopeLoading = false;

async function loadRedEnvelope(append) {
  if (redEnvelopeLoading || (!append && !redEnvelopeHasMore)) return;
  redEnvelopeLoading = true;
  document.getElementById('redEnvelopeLoading').style.display = 'block';
  try {
    const res = await fetch(API + '/api/records/red-envelope?page=' + redEnvelopePage + '&limit=20&year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const container = document.getElementById('redEnvelopeList');
    if (!append) container.innerHTML = '';
    if (data.records.length === 0) {
      if (redEnvelopePage === 1) container.innerHTML = '<div class="ranking-empty">暂无红包收入记录</div>';
      redEnvelopeHasMore = false;
    } else {
      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" data-date="${date}">
          <div class="order-date-label">${date}</div>`;
        records.forEach(r => {
          const time = formatLocalTime(r.created_at);
          html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
            <div class="order-item-top">
              <span class="order-item-boss">红包</span>
              <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
            </div>
            <div class="order-item-bottom">
              <span>${r.source || ''}</span>
              <span>${time}</span>
            </div>
          </div>`;
        });
        html += '</div>';
      }
      container.insertAdjacentHTML('beforeend', html);
      redEnvelopeHasMore = data.records.length >= 20;
      redEnvelopePage++;
    }
  } catch (e) { console.error(e); }
  redEnvelopeLoading = false;
  document.getElementById('redEnvelopeLoading').style.display = 'none';
}

// 奶茶收入列表
let milkTeaPage = 1;
let milkTeaHasMore = true;
let milkTeaLoading = false;

async function loadMilkTea(append) {
  if (milkTeaLoading || (!append && !milkTeaHasMore)) return;
  milkTeaLoading = true;
  document.getElementById('milkTeaLoading').style.display = 'block';
  try {
    const res = await fetch(API + '/api/records/milk-tea?page=' + milkTeaPage + '&limit=20&year=' + currentYear + '&month=' + currentMonth, { headers: headers() });
    if (!res.ok) return;
    const data = await res.json();
    const container = document.getElementById('milkTeaList');
    if (!append) container.innerHTML = '';
    if (data.records.length === 0) {
      if (milkTeaPage === 1) container.innerHTML = '<div class="ranking-empty">暂无奶茶收入记录</div>';
      milkTeaHasMore = false;
    } else {
      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" data-date="${date}">
          <div class="order-date-label">${date}</div>`;
        records.forEach(r => {
          const time = formatLocalTime(r.created_at);
          html += `<div class="order-item" onclick='openEditModal(${JSON.stringify(r).replace(/'/g, "&#39;")})'>
            <div class="order-item-top">
              <span class="order-item-boss">奶茶</span>
              <span class="order-item-amount">${(r.amount || 0).toFixed(2)}</span>
            </div>
            <div class="order-item-bottom">
              <span>${r.source || ''}</span>
              <span>${time}</span>
            </div>
          </div>`;
        });
        html += '</div>';
      }
      container.insertAdjacentHTML('beforeend', html);
      milkTeaHasMore = data.records.length >= 20;
      milkTeaPage++;
    }
  } catch (e) { console.error(e); }
  milkTeaLoading = false;
  document.getElementById('milkTeaLoading').style.display = 'none';
}