import * as dotenv from 'dotenv';
dotenv.config();
import pool from './src/config/database';

async function run() {
  // 找出所有 self_score 为空但有 perf_item 的记录
  const [perfs] = await pool.query<any[]>(
    `SELECT perf_id FROM performance_month WHERE self_score IS NULL OR self_score = 0`
  );

  for (const perf of perfs) {
    const [items] = await pool.query<any[]>(
      'SELECT weight, self_score FROM perf_item WHERE perf_id = ? AND self_score IS NOT NULL',
      [perf.perf_id]
    );
    if (items.length === 0) continue;

    let weightedSum = 0;
    let totalWeight = 0;
    for (const item of items) {
      weightedSum += Number(item.self_score) * Number(item.weight);
      totalWeight += Number(item.weight);
    }
    if (totalWeight === 0) continue;

    const selfScore = parseFloat((weightedSum / totalWeight).toFixed(2));
    await pool.query(
      'UPDATE performance_month SET self_score = ? WHERE perf_id = ?',
      [selfScore, perf.perf_id]
    );
    console.log(`perfId=${perf.perf_id} 自评总分=${selfScore}`);
  }

  await pool.end();
  console.log('完成');
}

run().catch(console.error);