import fs from 'node:fs/promises';
import path from 'node:path';

const root = path.resolve(import.meta.dirname, '..');
const schemaPath = path.join(root, 'database/schema.sql');

function tokens(line) {
  return line
    .trim()
    .replaceAll(',', ' ')
    .replaceAll(';', ' ')
    .replaceAll('(', ' ')
    .replaceAll(')', ' ')
    .split(' ')
    .map(token => token.trim())
    .filter(Boolean);
}

function hasActivationColumn(schema) {
  return schema
    .split('\n')
    .map(tokens)
    .some(parts => {
      const upper = parts.map(part => part.toUpperCase());
      return upper[0] === 'ACTIVATED_AT'
        && upper[1] === 'TEXT'
        && upper.includes('DEFAULT')
        && upper.includes('NULL');
    });
}

const schema = await fs.readFile(schemaPath, 'utf8');

if (!hasActivationColumn(schema)) {
  throw new Error('database/schema.sql muss routes.activated_at als TEXT DEFAULT NULL enthalten.');
}

console.log('database/schema.sql enthält routes.activated_at als SQLite-STRICT-kompatible TEXT-Spalte.');