#!/usr/bin/env php
<?php
/**
 * Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * This file is part of a Moko Consulting project.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: MokoStandards.Templates.Scripts.Validate
 * INGROUP: MokoStandards.Templates
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /templates/scripts/validate/dolibarr_module.php
 * BRIEF: Validate a Dolibarr module repository against MokoStandards requirements
 * NOTE: Deployed to bin/validate_module.php in governed Dolibarr module repos.
 *       Run: php bin/validate_module.php [--path DIR] [--verbose] [--json]
 */

declare(strict_types=1);

// Deployed to bin/validate_module.php in org repos — vendor/ is one level up (repo root)
require_once __DIR__ . '/../vendor/autoload.php';

use MokoEnterprise\CliFramework;

/**
 * Validates a Dolibarr module repository against MokoStandards requirements.
 *
 * Checks performed:
 *   - Required directories (src/, src/core/modules/, langs/en_US/, img/)
 *   - Required files (README.md, CHANGELOG.md, LICENSE, composer.json)
 *   - Module descriptor exists and declares a valid version
 *   - SPDX-License-Identifier header present in all PHP source files
 *   - No tab characters in YAML/JSON config files
 *   - No Windows path separators in PHP source
 */
class ValidateDolibarrModule extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Validate a Dolibarr module repository against MokoStandards requirements');
        $this->addArgument('--path', 'Repository root to validate', '.');
    }

    protected function run(): int
    {
        $path   = rtrim((string) $this->getArgument('--path'), '/\\');
        $passed = 0;
        $failed = 0;

        if (!is_dir($path)) {
            $this->error("Path does not exist: {$path}");
        }

        // ── Required directories ──────────────────────────────────────────
        $this->section('Required directories');
        foreach ([
            'src',
            'src/core/modules',
            'langs/en_US',
            'img',
        ] as $dir) {
            $ok = is_dir("{$path}/{$dir}");
            $this->status($ok, $dir . '/');
            $ok ? $passed++ : $failed++;
        }

        // ── Required files ────────────────────────────────────────────────
        $this->section('Required files');
        foreach ([
            'README.md',
            'CHANGELOG.md',
            'LICENSE',
            'composer.json',
        ] as $file) {
            $ok = file_exists("{$path}/{$file}");
            $this->status($ok, $file);
            $ok ? $passed++ : $failed++;
        }

        // ── Module descriptor ─────────────────────────────────────────────
        $this->section('Module descriptor');
        $descriptors = glob("{$path}/src/core/modules/mod*.class.php") ?: [];
        if (empty($descriptors)) {
            $this->status(false, 'mod*.class.php exists in src/core/modules/');
            $failed++;
        } else {
            $this->status(true, 'mod*.class.php exists: ' . basename($descriptors[0]));
            $passed++;

            // Check $this->version is declared
            $contents = (string) file_get_contents($descriptors[0]);
            $hasVersion = (bool) preg_match('/\$this\s*->\s*version\s*=/', $contents);
            $this->status($hasVersion, '$this->version declared in descriptor');
            $hasVersion ? $passed++ : $failed++;

            // Check module number is declared
            $hasNumber = (bool) preg_match('/\$this\s*->\s*numero\s*=/', $contents);
            $this->status($hasNumber, '$this->numero declared in descriptor');
            $hasNumber ? $passed++ : $failed++;
        }

        // ── SPDX headers ──────────────────────────────────────────────────
        $this->section('SPDX-License-Identifier headers');
        $phpFiles  = $this->findFiles($path . '/src', '*.php');
        $missingHeader = 0;
        foreach ($phpFiles as $file) {
            $head = file_get_contents($file, false, null, 0, 512) ?: '';
            if (!str_contains($head, 'SPDX-License-Identifier')) {
                $missingHeader++;
                $this->log('WARN', 'Missing SPDX header: ' . substr($file, strlen($path) + 1));
            }
        }
        $ok = $missingHeader === 0;
        $this->status($ok, "All PHP files have SPDX header ({$missingHeader} missing)");
        $ok ? $passed++ : $failed++;

        // ── No tabs in config files ───────────────────────────────────────
        $this->section('No tab characters in config files');
        $configFiles = array_merge(
            $this->findFiles($path, '*.yml'),
            $this->findFiles($path, '*.yaml'),
            $this->findFiles($path, '*.json')
        );
        $tabFiles = 0;
        foreach ($configFiles as $file) {
            if (str_contains((string) file_get_contents($file), "\t")) {
                $tabFiles++;
                $this->log('WARN', 'Tab found: ' . substr($file, strlen($path) + 1));
            }
        }
        $ok = $tabFiles === 0;
        $this->status($ok, "No tabs in YAML/JSON ({$tabFiles} files affected)");
        $ok ? $passed++ : $failed++;

        // ── No backslash paths in PHP ─────────────────────────────────────
        $this->section('No Windows path separators in PHP source');
        $phpAll    = $this->findFiles($path . '/src', '*.php');
        $bsFiles   = 0;
        foreach ($phpAll as $file) {
            if (preg_match('/["\'](?:[A-Za-z]:)?\\\\[^\\\\]/', (string) file_get_contents($file))) {
                $bsFiles++;
                $this->log('WARN', 'Backslash path: ' . substr($file, strlen($path) + 1));
            }
        }
        $ok = $bsFiles === 0;
        $this->status($ok, "No backslash paths ({$bsFiles} files affected)");
        $ok ? $passed++ : $failed++;

        // ── Summary ───────────────────────────────────────────────────────
        $this->printSummary($passed, $failed, $this->elapsed());

        return $failed > 0 ? 1 : 0;
    }

    /** Recursively find files matching a glob pattern under a directory. */
    private function findFiles(string $dir, string $pattern): array
    {
        if (!is_dir($dir)) {
            return [];
        }
        $results = [];
        $iter    = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator($dir, \FilesystemIterator::SKIP_DOTS)
        );
        foreach ($iter as $file) {
            if ($file->isFile() && fnmatch($pattern, $file->getFilename())) {
                $results[] = $file->getPathname();
            }
        }
        return $results;
    }
}

$script = new ValidateDolibarrModule('validate_module', 'Validate a Dolibarr module repository against MokoStandards requirements');
exit($script->execute());