const { Pool } = require('pg');

export default async function handler(req, res) {
  try {
    const pool = new Pool({
      connectionString: process.env.DATABASE_URL,
      ssl: process.env.NODE_ENV === 'production' ? { rejectUnauthorized: false } : false,
    });

    const client = await pool.connect();

    // Simple promotion - just add user 1 to admin role
    const result = await client.query(`
      INSERT INTO user_roles (user_id, role_id) 
      SELECT 1, id FROM roles WHERE name = 'admin'
      ON CONFLICT DO NOTHING
      RETURNING *
    `);

    // Check current roles
    const userRoles = await client.query(`
      SELECT 
        u.username,
        ARRAY_AGG(r.name) as roles
      FROM users u
      LEFT JOIN user_roles ur ON u.id = ur.user_id
      LEFT JOIN roles r ON ur.role_id = r.id
      WHERE u.id = 1
      GROUP BY u.username
    `);

    client.release();

    res.status(200).json({
      success: true,
      message: 'Admin promotion complete',
      inserted: result.rows.length > 0,
      user: userRoles.rows[0] || null,
      timestamp: new Date().toISOString()
    });

  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message,
      timestamp: new Date().toISOString()
    });
  }
}