<?php
/**
 * Mock Database para desarrollo sin servidor MySQL
 * Permite que el sistema funcione durante desarrollo/pruebas
 */
class MockDatabase {
    public $connect_error = null;
    public $errno = 0;
    public $error = '';
    
    public function __construct() {
        // Constructor vacío para simular conexión exitosa
    }
    
    public function set_charset($charset) {
        // Simulación de set charset
        return true;
    }
    
    public function query($sql) {
        // Simulación de consulta - devuelve objeto mock
        error_log("Mock Query: " . $sql);
        return new MockResult();
    }
    
    public function prepare($sql) {
        return new MockStatement($sql);
    }
    
    public function real_escape_string($string) {
        return addslashes($string);
    }
    
    public function insert_id() {
        return 1;
    }
    
    public function affected_rows() {
        return 1;
    }
    
    public function close() {
        return true;
    }
    
    public function begin_transaction() {
        return true;
    }
    
    public function commit() {
        return true;
    }
    
    public function rollback() {
        return true;
    }
}

class MockResult {
    public $num_rows = 0;
    public $data = [];
    
    public function fetch_assoc() {
        $this->num_rows--;
        return array_shift($this->data);
    }
    
    public function fetch_array() {
        $this->num_rows--;
        return array_shift($this->data);
    }
    
    public function data_seek($offset) {
        // Simulación de data seek
        return true;
    }
    
    public function free() {
        // Simulación de free result
        return true;
    }
}

class MockStatement {
    private $sql;
    
    public function __construct($sql) {
        $this->sql = $sql;
    }
    
    public function bind_param($types, &...$vars) {
        return true;
    }
    
    public function execute() {
        return true;
    }
    
    public function get_result() {
        return new MockResult();
    }
}

?>