<?php

/*******************************************************************

    Module        : /DB/SQL.php
    Created By    : Siau Pheng (siaupheng@3fonia.com).
    Created Date  : February 2nd, 2007.
    Last Modified : August 21st, 2026.

    (c) 3FONIA Software; WWW.3FONIA.COM.

*******************************************************************/

declare(strict_types=1);

namespace Webapp\DB;

use \flight\Engine;
use \flight\Session;
use \flight\database\SimplePdo;
use Webapp\Web\Param;

/**
 * Class SQL
 * 
 * Database CRUD dengan data dari GET/POST.
 *
 * @license MIT, https://www.3fonia.com
 * @copyright Copyright (c) 2008-2026, Siau Pheng <siaupheng@3fonia.com>
 * 
 * @package Webapp\DB
 */

final class SQL {
	private string $_ttable;
	private array $_afield = [];
	private array $_awhere = [];
    protected Engine $app;
    protected SimplePdo $db;
	protected array $webuser;

    /**
     * @param Engine $app
     */
    public function __construct(Engine $app){
        $this->app = $app;
        $this->db = $app->db();
		$this->webuser = $app->session()->get('WEB_USER', ['UserID'=>0, 'UNIX'=>0]);
	}

	//todo: deprecated
    public function SafeSQL($ttext = "") {
        return $ttext;
    }

	public function set_table(string $table = ""): void {
		$this->_ttable = $table;
	}

	public function add_param(string $param = "", mixed $value = null, bool $nomor = false): void {
		$this->_afield[] = [
			'field' => $param,
			'value' => is_null($value) ? Param::Get($param) : $value,
			'numbe' => $nomor,
		];
	}

    public function add_param_date(string $param = "", string|null $value = null): void {
        $this->_afield[] = [
			'field' => $param,
        	'value' => tgl_sql2str(is_null($value) ? Param::Get($param) : $value),
			'numbe' => false,
		];
    }

    public function add_param_stamp(string $param = "DateStamp"): void {
        $this->_afield[] = [
			'field' => $param,
        	'value' => 'NOW()',
			'numbe' => true,
		];
    }

    public function add_param_unix(): void {
        $this->_afield[] = [
			'field' => 'Unix',
        	'value' => $this->webuser['UNIX'],
			'numbe' => false,
		];
    }

    public function add_param_userid(string $param = "UserID"): void {
        $this->_afield[] = [
			'field' => $param,
        	'value' => $this->webuser['UserID'],
			'numbe' => false,
		];
    }

    public function add_where_unix(): void {
        $this->_awhere[] = [
			'field' => 'Unix',
        	'value' => $this->webuser['UNIX'],
			'numbe' => false,
		];
    }

    public function add_where_date(string $field = "", string|null $value = null): void {
        $this->_awhere[] = [
			'field' => $field,
        	'value' => (is_null($value)) ? '0000-00-00' : tgl_sql2str($value),
			'numbe' => false,
		];
    }

    public function add_where(string $field = "", mixed $value = null, bool $nomor = false): void {
        $this->_awhere[] = [
			'field' => $field,
        	'value' => is_null($value) ? Param::Get($field) : $value,
			'numbe' => $nomor,
		];
    }

	public function clear_param(): void {
		$this->_afield = [];
	}

	public function clear_where(): void {
		$this->_awhere = [];
	}

	public function InsertDB(): void {
		$__afield = [];
		$__aplace = [];
		$__aexec = [];
		foreach ($this->_afield as $col) {
			$__afield[] = '`'.$col['field'].'`';
			if ($col['numbe'] === true) {
				$__aplace[] = $col['value'];
			} else {
				$__aplace[] = '?';
				$__aexec[] = $col['value'];
			}
		}
		$tsql = 'INSERT INTO '.$this->_ttable.' ('. implode(',', $__afield) .') VALUES ('. implode(',', $__aplace) .')';
		$this->db->runQuery($tsql, $__aexec);
	}

	public function UpdateDB(): void {
		$__aplace = [];
		$__awhere = [];
		$__aexec = [];
		foreach ($this->_afield as $col) {
			if ($col['numbe'] === true) {
				$__aplace[] = '`'.$col['field'].'`='. $col['value'];
			} else {
				$__aplace[] = '`'.$col['field'].'`=?';
				$__aexec[] = $col['value'];
			}
		}
		foreach ($this->_awhere as $col) {
			if ($col['numbe'] === true) {
				$__awhere[] = '`'.$col['field'].'`='. $col['value'];
			} else {
				$__awhere[] = '`'.$col['field'].'`=?';
				$__aexec[] = $col['value'];
			}
		}
		$tsql = 'UPDATE '.$this->_ttable.' SET '. implode(',', $__aplace) .' WHERE '. implode(' AND ', $__awhere);
		$this->db->runQuery($tsql, $__aexec);
	}

	public function DeleteDB(): void {
		$__awhere = [];
		$__aexec = [];
		foreach ($this->_awhere as $col) {
			if ($col['numbe'] === true) {
				$__awhere[] = '`'.$col['field'].'`='. $col['value'];
			} else {
				$__awhere[] = '`'.$col['field'].'`=?';
				$__aexec[] = $col['value'];
			}
		}
		$tsql = 'DELETE FROM '.$this->_ttable.' WHERE '. implode(' AND ', $__awhere);
		$this->db->runQuery($tsql, $__aexec);
	}

    public function LastInsertID(): int {
        return $this->db->lastInsertId();
    }
}

?>