<?php
namespace lib\Core;

use \PDO;

abstract class Model
{
    private $db = null;
    private $_debug = false;
    private $_mode = PDO::FETCH_OBJ;
    protected function __construct()
    {
            $envs = parse_ini_file("./env.ini", true);
            if (!$envs) {
                throw new \Exception(var_export($envs, true));
            }
            //echo var_dump($envs);exit;
            $dsn = sprintf("%s:host=%s;dbname=%s;charset=%s", $envs['db']['driver'], $envs['db']['host'], $envs['db']['name'], $envs['db']['charset']);
            $this->db = new PDO($dsn, $envs['db']['id'], $envs['db']['passwd']);
            $this->db->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
            $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    } //

    abstract public function getTable();
    final public function getDB()
    {
        return $this->_db;
    }
    final public function setDebug($debug)
    {
        $this->_debug = $debug;
    }
    final public function getDebug()
    {
        return $this->_debug;
    }
    final public function setMode($mode)
    {
        $this->_mode = $mode;
    }
    final public function getMode()
    {
        return $this->_mode;
    }

    final public function execute($sql)
    {
        $stmt = $this->db->prepare($sql);
        $stmt->execute();
        return $stmt;
    }
    final protected function getRow($sql)
    {
        $stmt = $this->execute($sql);
        return $stmt->fetch($this->getMode());
    }
    final protected function getRows($sql, $mode = PDO::FETCH_OBJ)
    {
        $stmt = $this->execute($sql);
        return $stmt->fetchAll($this->getMode());
    }

    final public function getData($wheres = array(), $column = "*")
    {
        $sql = sprintf("SELECT %s FROM %s %s", $column, $this->getTable(), count($wheres) ? "WHERE " . implode("AND", $wheres) : "");
        echo $sql;
        return $this->getRow($sql);
    }
    final public function getDatas(array $wheres = array(), $column = "*")
    {
        $sql = sprintf("SELECT %s FROM %s %s", $column, $this->getTable(), count($wheres) ? "WHERE " . implode("AND", $wheres) : "");
        echo $sql;
        return $this->getRows($sql);
    }
} //Class