<?php
namespace App\Models;

class User {
    private static $table = 'users';
    
    public static function all() {
        $db = Database::getInstance();
        return $db->fetchAll("SELECT * FROM " . self::$table . " WHERE is_active = 1 ORDER BY display_name");
    }
    
    public static function find($id) {
        $db = Database::getInstance();
        return $db->fetch("SELECT * FROM " . self::$table . " WHERE id = ?", [$id]);
    }
    
    public static function findByUsername($username) {
        $db = Database::getInstance();
        return $db->fetch("SELECT * FROM " . self::$table . " WHERE username = ? AND is_active = 1", [$username]);
    }
    
    public static function getByIds($ids) {
        if (empty($ids)) return [];
        
        $placeholders = implode(',', array_fill(0, count($ids), '?'));
        $db = Database::getInstance();
        return $db->fetchAll("SELECT * FROM " . self::$table . " WHERE id IN ({$placeholders}) AND is_active = 1", $ids);
    }
    
    public static function updateProfileImage($userId, $imagePath) {
        $db = Database::getInstance();
        return $db->update(self::$table, ['profile_image' => $imagePath], ['id' => $userId]);
    }
}