import dotenv from 'dotenv';
dotenv.config();
import mysql from 'mysql2/promise';

async function main() {
  const pool = mysql.createPool({
    host: process.env.DB_HOST,
    port: Number(process.env.DB_PORT),
    user: process.env.DB_USER,
    password: process.env.DB_PASSWORD,
    database: process.env.DB_NAME,
  });

  // return_change_record dic
  const [rcDic] = await pool.query(`
    SELECT dic_code, dic_name FROM tab_dic
    WHERE parent_code LIKE '%change%' OR parent_code LIKE '%return%'
    AND is_deleted=0
    ORDER BY parent_code, dic_code
  `);
  console.log('=== return/change dic ===');
  console.log(JSON.stringify(rcDic, null, 2));

  // Weekly removed: is_operation changed to 0 this week, or is_deleted set to 1
  const [removed] = await pool.query(`
    SELECT COUNT(*) AS cnt FROM tab_truck
    WHERE (is_deleted=1 OR is_operation=0)
    AND update_time >= DATE_SUB(CURDATE(), INTERVAL WEEKDAY(CURDATE())+2 DAY)
  `);
  console.log('\n=== This week removed (is_operation=0 or deleted, by update_time) ===');
  console.log(JSON.stringify(removed));

  // Weekly new: is_operation set to 1 this week
  const [newByUpdate] = await pool.query(`
    SELECT COUNT(*) AS cnt FROM tab_truck
    WHERE is_deleted=0 AND is_operation=1
    AND buy_time >= DATE_SUB(CURDATE(), INTERVAL WEEKDAY(CURDATE())+2 DAY)
  `);
  console.log('\n=== This week new (by buy_time) ===');
  console.log(JSON.stringify(newByUpdate));

  // Replacements this week: return_change_record=3 means replacement?
  const [replaced] = await pool.query(`
    SELECT return_change_record, COUNT(*) AS cnt FROM tab_truck_status_info
    WHERE is_deleted=0
    AND return_change_record IN (2, 3)
    AND update_time >= DATE_SUB(CURDATE(), INTERVAL WEEKDAY(CURDATE())+2 DAY)
    GROUP BY return_change_record
  `);
  console.log('\n=== This week replace records (rc=2,3 by update_time) ===');
  console.log(JSON.stringify(replaced));

  // Sample recent take_date
  const [recentTake] = await pool.query(`
    SELECT si.truck_id, t.plate_number, si.take_date, si.return_date, si.return_change_record
    FROM tab_truck_status_info si
    JOIN tab_truck t ON t.id = si.truck_id
    WHERE si.is_deleted=0 AND si.take_date IS NOT NULL
    ORDER BY si.take_date DESC LIMIT 5
  `);
  console.log('\n=== Recent deliveries ===');
  console.log(JSON.stringify(recentTake, null, 2));

  await pool.end();
}
main();