import { randomBytes } from 'crypto';
/**
 * Create a new session for a user
 * @param client Database client
 * @param params Session parameters
 * @returns The created session
 * @throws Error if user doesn't exist
 */
export const createSession = async (client, params) => {
    const { user_id, expires_in_days = 30 } = params;
    // Verify user exists
    const userCheck = await client.query('SELECT id FROM users WHERE id = $1', [user_id]);
    if (userCheck.rows.length === 0) {
        throw new Error('User not found');
    }
    // Generate secure random session ID
    const session_id = randomBytes(32).toString('hex');
    // Calculate expiration date
    const expires_at = new Date();
    expires_at.setDate(expires_at.getDate() + expires_in_days);
    // Insert session
    const result = await client.query(`INSERT INTO sessions (session_id, user_id, expires_at) 
     VALUES ($1, $2, $3) 
     RETURNING session_id, user_id, expires_at, created_at`, [session_id, user_id, expires_at]);
    return result.rows[0];
};
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