<?php

namespace app\core;

use app\shared\Logger;

use Exception;
use PDO;
use PDOException;

class Database
{
    private $logger;

    public function __construct()
    {
        $this->logger = new Logger('database_' . date('Ymd'));
    }

    public function databaseLog()
    {
        return $this->logger;
    }

    protected function strquery($stmt, $params)
    {
        foreach ($params as $key => $value) {
            if (is_null($value) || (is_string($value) && $value == '')) {
                $value = null;
            }
            if (is_bool($value)) {
                $value = (int)$value;
            }
            $stmt->bindValue(":{$key}", $value, (is_int($value) ? PDO::PARAM_INT : PDO::PARAM_STR));
        }
    }

    function create($query, $data)
    {
        try {
            $stmt = Connection::getInstance()->prepare($query);
            $this->strquery($stmt, $data);
            $stmt->execute();
            return Connection::getInstance()->lastInsertId();
        } catch (PDOException $e) {
            $this->logger->error(print_r(['error' => $e->getMessage(), 'query' => $query, 'data' => $data], true));
        }
    }

    function read($query, $data = null)
    {
        try {
            $stmt = Connection::getInstance()->prepare($query);
            $this->strquery($stmt, $data);
            $stmt->execute();
            if ($stmt->rowCount() > 0) {
                return $stmt;
            }
            return null;
        } catch (PDOException $e) {
            $this->logger->error(print_r(['error' => $e->getMessage(), 'query' => $query, 'data' => $data], true));
        }
    }

    function delete($query, $data): int
    {
        try {
            $stmt = Connection::getInstance()->prepare($query);
            $this->strquery($stmt, $data);
            $stmt->execute();
            return ($stmt->rowCount() ? 1 : 0);
        } catch (Exception $e) {
            $this->logger->error(print_r(['error' => $e->getMessage(), 'query' => $query, 'data' => $data], true));
        }
        return 0;
    }

    function update($query, $data): int
    {
        try {
            $stmt = Connection::getInstance()->prepare($query);
            $this->strquery($stmt, $data);
            $stmt->execute();
            return $stmt->rowCount() ? 1 : 0;
        } catch (Exception $e) {
            $this->logger->error(print_r(['error' => $e->getMessage(), 'query' => $query, 'data' => $data], true));
        }
        return 0;
    }
}