require('dotenv').config();
const fs = require('fs');
const path = require('path');
const pool = require('./db');

const INCREMENTAL_MIGRATIONS = [
  'migrate-checkup-flags.sql',
  'migrate-artist-checkup-flags.sql',
  'migrate-influence-sources.sql',
  'migrate-painting-annotations.sql',
  'migrate-artist-palette.sql',
];

async function applySqlFile(label, filePath) {
  const sql = fs.readFileSync(filePath, 'utf8');
  await pool.query(sql);
  console.log(`  ${label}`);
}

async function migrate() {
  const dbDir = path.join(__dirname, '..', 'db');
  const schemaPath = path.join(dbDir, 'schema.sql');

  console.log('Applying db/schema.sql …');
  await applySqlFile('schema.sql', schemaPath);

  console.log('Applying incremental migrations …');
  for (const file of INCREMENTAL_MIGRATIONS) {
    const filePath = path.join(dbDir, file);
    if (!fs.existsSync(filePath)) {
      console.warn(`  skipped (missing): ${file}`);
      continue;
    }
    await applySqlFile(file, filePath);
  }

  console.log('Database migration complete.');
}

migrate()
  .then(() => pool.end())
  .catch((err) => {
    console.error('Migration failed:', err.message);
    pool.end().finally(() => process.exit(1));
  });