const cloud = require('wx-server-sdk');
cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
const db = cloud.database();

// 获取当前用户的佣金概览和明细
exports.main = async (event) => {
  const { OPENID } = cloud.getWXContext();

  try {
    const commRes = await db.collection('commissions').where({
      toUser: OPENID,
    }).orderBy('createdAt', 'desc').get();

    const commissions = commRes.data || [];
    let totalAmount = 0;
    let availableAmount = 0;
    let pendingAmount = 0;

    commissions.forEach(c => {
      totalAmount += c.amount || 0;
      if (c.status === 'available') {
        availableAmount += c.amount;
      } else if (c.status === 'pending') {
        pendingAmount += c.amount;
      }
    });

    // 格式化输出
    const list = commissions.slice(0, 50).map(c => ({
      commissionId: c._id,
      level: c.level,
      amount: c.amount,
      status: c.status,
      sourceName: c.sourceName || '用户',
      createdAt: c.createdAt,
    }));

    return {
      totalAmount,
      availableAmount,
      pendingAmount,
      commissions: list,
    };
  } catch (err) {
    return { error: err.message, totalAmount: 0, availableAmount: 0, pendingAmount: 0, commissions: [] };
  }
};