<?php
/**
 * Phar-creator
 * 
 * This is a (.phar) package creator, allowing you to convert
 * your project into an easily transportable and usable PHP package.
 * 
 * Execution : `php -dphar.readonly=0 phar-creator.php`
 * Require   : PHP version >= 7.4
 * 
 * @version     1.0.0
 * @since       08-08-2022
 * 
 * @author      Jérémi Nihart <contact@endmove.eu>
 * @copyright   © 2022 EndMove, All rights reserved.
 * 
 * @link        https://git.endmove.eu/EndMove/phar-creator
 */
declare(strict_types=1);

// CONSTANTS - to config
const FILE_NAME         = 'hello-world.phar';       // the package name, must end by '.phar'
const SOURCE_FOLDER     = '/src';                   // the source folder, usualy 'src'
const OUTPUT_FOLDER     = '/build';                 // the output folder, usualy 'build'
const CLI_ENTRY_POINT   = 'main.php';               // the program/library entry point for cli use, usualy 'main.php'
const WEB_ENTRY_POINT   = null;                     // the program entry point for web use, usualy 'web_index.php'
const USE_SHEBANG       = false;                    // use shebang for fast click execution on linux, usualy 'false'
const META_DATA         = [                         // the meta-data to merge with the phar package.
    'version'   => '1.0.0',
    'author'    => 'EndMove',
    'website'       => 'https://www.endmove.eu'
];

// PROGRAM
try {
    $output = __DIR__ . OUTPUT_FOLDER . '/';

    // clean
    if (!file_exists($output)) {
        echo "Build directory has been created\n";
        mkdir($output, 0770);
    }

    // clean & update output
    $output .= FILE_NAME;
    if (file_exists($output)) {
        echo "Cleaning old files...\n";
        unlink($output);
    }

    // create phar
    echo "=== Start creating (.phar) package ===\n";
    $phar = new Phar($output);

    // buffering START
    echo "-> Buffering files...\n";
    $phar->startBuffering();

    // packaging project
    echo "-> Packaging project...\n";
    $phar->buildFromDirectory(__DIR__ . SOURCE_FOLDER);
    echo "-> Packaging project. Done!\n";

    // create stub
    echo "-> Creating stub...\n";
    $stub = $phar->createDefaultStub(CLI_ENTRY_POINT, WEB_ENTRY_POINT);
    $phar->setStub(USE_SHEBANG ? "#!/usr/bin/env php \n$stub" : $stub);
    echo "-> Creating stub. Done!\n";

    // add meta-data
    $phar->setMetadata(META_DATA);
    echo "-> Meta-data added!\n";

    // buffering STOP
    $phar->stopBuffering();
    echo "-> Buffering files. Done!\n";

    // compressing package content
    echo "-> compressing package...\n";
    $phar->compressFiles(Phar::GZ);
    echo "-> compressing package. Done!\n";

    // chmod perm
    chmod($output, 0770);
    echo "OK. Project successfuly packaged into ($output).\n";
    echo "Generated phar SHA256 fingerprint : " . hash_file('sha256', $output) . PHP_EOL;
} catch (Exception $e) {
    echo("ERROR : " . $e->getMessage());
    exit(1);
}
exit(0);