<?php
/**
 * Migration: añadir columnas reply_to_message_id, reaction_to_message_id, reaction_emoji
 */
require_once __DIR__ . '/../config/config_enhanced.php';
require_once __DIR__ . '/../classes/Database.php';

try {
    $db = Database::getInstance();
    $columns = $db->fetchAll("SHOW COLUMNS FROM conversations");
    $colNames = array_column($columns, 'Field');

    if (!in_array('reply_to_message_id', $colNames)) {
        $db->query("ALTER TABLE conversations ADD COLUMN reply_to_message_id INT NULL AFTER message_id");
        echo "Added column reply_to_message_id\n";
    } else {
        echo "reply_to_message_id exists\n";
    }

    if (!in_array('reaction_to_message_id', $colNames)) {
        $db->query("ALTER TABLE conversations ADD COLUMN reaction_to_message_id INT NULL AFTER reply_to_message_id");
        echo "Added column reaction_to_message_id\n";
    } else {
        echo "reaction_to_message_id exists\n";
    }

    if (!in_array('reaction_emoji', $colNames)) {
        $db->query("ALTER TABLE conversations ADD COLUMN reaction_emoji VARCHAR(32) NULL AFTER reaction_to_message_id");
        echo "Added column reaction_emoji\n";
    } else {
        echo "reaction_emoji exists\n";
    }

} catch (Exception $e) {
    echo "Error: " . $e->getMessage() . "\n";
}