<?php

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

    Module        : /Data/Cache.php
    Desc.         : Class cache css dan js aplikasi
    Created By    : Siau Pheng (siaupheng@3fonia.com).
    Created Date  : March 16th, 2008.
    Last Modified : August 19th, 2026.

    (c) 2008 - 2026, 3FONIA Software; WWW.3FONIA.COM.

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

//OK
declare(strict_types=1);

namespace siaupheng\webapp\Data;

use flight\Engine;
use FilesystemIterator;
use MatthiasMullie\Minify;
use SplFileInfo;

final class Cache {
    private $__cachedir  = "";
    private $__cssdir    = "";
    private $__localedir = "";
    private $__jsdir     = "";
    private $__jsapp     = "";
    private $__rootdir   = "";
    private $__ini = [];
    protected Engine $app;
    protected array $__asset = [];

    public function __construct(?Engine $app = null, array $asset = []) {
        $this->app = (empty($app) === true) ? Flight::app() : $app;
        $this->__asset = $asset;
        $rootdir = (defined('PROJECT_ROOT')) ? PROJECT_ROOT : $this->app->get('flight.root_dir');
        $this->__cachedir  = $rootdir . '/public/chunks/';
        $this->__localedir = $rootdir . '/app/locale/';
        $this->__jsapp     = $rootdir . '/app/scripts/';
        $this->__cssdir    = __DIR__ . '/../../assets/css/';
        $this->__jsdir     = __DIR__ . '/../../assets/js/';
        $this->__rootdir   = $rootdir . '/';
        if (!is_dir($this->__cachedir)) mkdir($this->__cachedir, 0755, true);
        if (!file_exists($this->__cachedir . "cache.ini")) {
            $this->__ini = [
                'login' =>   [ 'stamp' => 0, 'css' => "", 'js' => "", 'app' => "", ],
                'index' =>   [ 'stamp' => 0, 'css' => "", 'js' => "", 'app' => "", ],
                'display' => [ 'stamp' => 0, 'css' => "", 'js' => "", 'app' => "", ],
            ];
            $this->save_ini();
        } else $this->__ini = parse_ini_file($this->__cachedir . "cache.ini", true);
    }

    private function gen_file($mode = "index", $type = "css") {
        $itime = 0;
        $afile = [];
        if ($type == "css") {
            $_afile = array_unique($this->__asset['css'][$mode] ?? []);
            foreach ($_afile as $__key => $val) {
                if (!file_exists($this->__cssdir . $val)) continue;
                $_file = new SplFileInfo($this->__cssdir . $val);
                $afile[] = $_file->getRealPath();
                $itime += $_file->getMTime();
            }
            if (is_dir($this->__rootdir . 'app/css/')) {
                $iterator = new FilesystemIterator($this->__rootdir . 'app/css/', FilesystemIterator::SKIP_DOTS);
                foreach ($iterator as $_file) {
                    if ($_file->isFile()) {
                        $afile[] = $_file->getRealPath();
                        $itime += $_file->getMTime();
                    }
                }
            }
        } else if ($type == "js") {
            $_afile = array_unique($this->__asset['js'][$mode] ?? []);
            foreach ($_afile as $__key => $val) {
                if (!file_exists($this->__jsdir . $val)) continue;
                $_file = new SplFileInfo($this->__jsdir . $val);
                $afile[] = $_file->getRealPath();
                $itime += $_file->getMTime();
            }
            // add locale file
            $ljs = ($this->app->session()->get('__WEB_USER')['LOCALE'] ?? $this->app->session()->get('__WEB_APP')['DEF_LOCALE']).'.js';
            if (is_dir($this->__localedir)) {
                $iterator = new \FilesystemIterator($this->__localedir, \FilesystemIterator::SKIP_DOTS);
                foreach ($iterator as $_file) {
                    if ($_file->isFile() && str_ends_with($_file->getFilename(), $ljs)) {
                        $afile[] = $_file->getRealPath();
                        $itime += $_file->getMTime();
                    }
                }
            }
        } else if ($type == "app") {
            if ($mode === 'index') {
                if (is_dir($this->__jsapp)) {
                    $dirIterator = new \RecursiveDirectoryIterator($this->__jsapp, \RecursiveDirectoryIterator::SKIP_DOTS);
                    $iterator = new \RecursiveIteratorIterator($dirIterator);
                    foreach ($iterator as $_file) {
                        if ($_file->isFile() && !in_array($_file->getFilename(), ['login.js','display.js'])) {
                            $afile[] = $_file->getRealPath();
                            $itime += $_file->getMTime();
                        }
                    }
                }
            } else {
                if (file_exists($this->__jsapp . $mode . '.js')) {
                    $_file = new SplFileInfo($this->__jsapp . $mode . '.js');
                    $afile[] = $_file->getRealPath();
                    $itime += $_file->getMTime();
                }
            }
        }
        return [ $afile, $itime ];
    }

    private function create_cache($type = "css", $afile = [], $cachefile = "") {
        $contents = ''; $smini = null;
        $bpublic = ($this->app->request()->ip === '127.0.0.1') ? false : true;
        if ($bpublic == true) {
            if ($type=="css") {
                $smini = new Minify\CSS;
            } else {
                $smini = new Minify\JS;
            }
        }
        foreach ($afile as $nfile) {
            if (file_exists($nfile)) {
                if ($bpublic == true) {
                    $smini->add($nfile);
                } else {
                    $contents .= "\n". file_get_contents($nfile);
                }
            }
        }
        if ($bpublic) $contents = $smini->minify();
        file_put_contents($this->__cachedir . $cachefile, $contents);
    }

    private function save_ini() {
        $content = ""; 
        foreach ($this->__ini as $key => $elem) {
            $content .= ($content==""?"":"\n"). "[".$key."]\n";
            foreach ($elem as $key2 => $elem2) {
                if ($elem2=="") $content .= $key2." = \n";
                else $content .= $key2." = \"".$elem2."\"\n";
            }
        }
        file_put_contents($this->__cachedir . "cache.ini", $content);
    }

    public function Cache($mode = "index") {
        $is_modif = false;
        foreach (['css','js','app'] as $type) {
            [ $afile, $lastmod ] = $this->gen_file($mode, $type);
            $cachefile = md5($mode . $type . $lastmod) . ($type=='css'?'.css':'.js');
            if (!file_exists($this->__cachedir . $cachefile) || ((time()-(int)$this->__ini[$mode]['stamp']) > (86400*14))) {
                $this->create_cache($type, $afile, $cachefile);
                $this->__ini[$mode][$type] = $cachefile;
                $this->__ini[$mode]['stamp'] = time();
                $is_modif = true;
            }
        }
        if ($is_modif === true) $this->save_ini();
        $acache = [ 'CSS' => [], 'JS' => [], 'JSX' => [] ];
        foreach ($this->__ini[$mode] as $_type => $_file) {
            if ($_type == 'stamp') continue;
            if (file_exists($this->__cachedir . $_file)) {
                if ($_type === 'css') {
                    $acache['CSS'][] = 'chunks/' . $_file;
                } else $acache['JS'][] = 'chunks/' . $_file;
            }
        }

        $session = $this->app->session();
        $aoption = $session->get('__WEB_APP');
        $auser = $session->get('__WEB_USER');
        $nonce = $this->app->get('csp_nonce');
        $_secret = $aoption['APP_CODE'] .";". $aoption['APP_SID'] .";". $this->app->request()->getVar('HTTP_HOST') .";". "http://".$this->app->request()->getVar('HTTP_HOST') .";". isMobile() .";". ($aoption['AUTH_LEVEL']?$aoption['AUTH_LEVEL']:0);
        $_suser = (user_logged()) ? $auser['Username'] .";". $auser['UserID'] .";". $auser['Grup_MenuID'] .";". $auser['Level'] : "nobody;999;999;9";

        $acache['JSX'][] = '<script nonce="'.$nonce.'" type="text/javascript">';
        $acache['JSX'][] = 'FoniaJS.setConfig("'.base64_encode($_secret).'", "'.base64_encode($_suser).'");';
        $acache['JSX'][] = '$(document).ready(function(){';
        if (user_logged()) $acache['JSX'][] = 'FoniaJS.loadMenu();';
        $acache['JSX'][] = '});';
        $acache['JSX'][] = '</script>';

        return $acache;
    }

}

?>