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,
  });

  // Check tab_truck columns for time-related fields
  const [truckCols] = await pool.query(`
    SELECT COLUMN_NAME, DATA_TYPE, COLUMN_COMMENT
    FROM information_schema.COLUMNS
    WHERE TABLE_SCHEMA='lingniu_prod3' AND TABLE_NAME='tab_truck'
    AND (COLUMN_NAME LIKE '%time%' OR COLUMN_NAME LIKE '%date%' OR COLUMN_NAME LIKE '%status%' OR COLUMN_NAME LIKE '%create%' OR COLUMN_NAME LIKE '%update%' OR COLUMN_NAME LIKE '%delete%' OR COLUMN_NAME LIKE '%operation%')
    ORDER BY ORDINAL_POSITION
  `);
  console.log('=== tab_truck time/status columns ===');
  for (const c of truckCols as any[]) {
    console.log(`  ${c.COLUMN_NAME} (${c.DATA_TYPE}) — ${c.COLUMN_COMMENT || ''}`);
  }

  // Check for status change/history tables
  const [tables] = await pool.query(`
    SELECT TABLE_NAME, TABLE_COMMENT
    FROM information_schema.TABLES
    WHERE TABLE_SCHEMA='lingniu_prod3'
    AND (TABLE_NAME LIKE '%log%' OR TABLE_NAME LIKE '%history%' OR TABLE_NAME LIKE '%change%' OR TABLE_NAME LIKE '%record%' OR TABLE_NAME LIKE '%status%')
    ORDER BY TABLE_NAME
  `);
  console.log('\n=== Related history/log tables ===');
  for (const t of tables as any[]) {
    console.log(`  ${t.TABLE_NAME} — ${t.TABLE_COMMENT || ''}`);
  }

  // Check tab_truck_status_info structure
  const [statusCols] = await pool.query(`
    SELECT COLUMN_NAME, DATA_TYPE, COLUMN_COMMENT
    FROM information_schema.COLUMNS
    WHERE TABLE_SCHEMA='lingniu_prod3' AND TABLE_NAME='tab_truck_status_info'
    ORDER BY ORDINAL_POSITION
  `);
  console.log('\n=== tab_truck_status_info columns ===');
  for (const c of statusCols as any[]) {
    console.log(`  ${c.COLUMN_NAME} (${c.DATA_TYPE}) — ${c.COLUMN_COMMENT || ''}`);
  }

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