<?php
require_once __DIR__ . '/../config.php';

try {
    $pdo = db();
    $sql = "
    CREATE TABLE IF NOT EXISTS messages (
        id INT AUTO_INCREMENT PRIMARY KEY,
        sender_id INT NOT NULL,
        receiver_id INT NOT NULL,
        message TEXT NOT NULL,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        FOREIGN KEY (sender_id) REFERENCES users(id) ON DELETE CASCADE,
        FOREIGN KEY (receiver_id) REFERENCES users(id) ON DELETE CASCADE
    );";
    $pdo->exec($sql);
    echo "Table 'messages' created successfully (if it didn't exist).\n";
} catch (PDOException $e) {
    die("DB MIGRATION ERROR: " . $e->getMessage());
}