<?php
require 'config.php';

try {
    $pdo = db();
    $sql = "CREATE TABLE IF NOT EXISTS messages (
        id INT AUTO_INCREMENT PRIMARY KEY,
        sender_id INT NOT NULL,
        recipient_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 (recipient_id) REFERENCES users(id) ON DELETE CASCADE
    )";
    $pdo->exec($sql);
    echo "INFO: `messages` table created or already exists.";
} catch (PDOException $e) {
    die("ERROR: Could not connect to the database: " . $e->getMessage());
}