#!/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: MokoCLI.CLI
 * INGROUP: MokoCLI
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/mokocli
 * PATH: /bin/validate-module
 * VERSION: 04.01.00
 * BRIEF: Validates a Dolibarr module structure — checks descriptor, version, module ID, required files
 *
 * USAGE
 *   vendor/bin/validate-module --path .           (from a governed Dolibarr repo)
 *   php bin/validate-module --path /path/to/repo  (standalone)
 */

declare(strict_types=1);

// Find autoloader — works from vendor/bin/ symlink or direct execution
$autoloaders = [
    __DIR__ . '/../vendor/autoload.php',       // direct: bin/validate-module
    __DIR__ . '/../autoload.php',              // symlink: vendor/bin/validate-module → ../../bin/validate-module
    __DIR__ . '/../../autoload.php',           // alternative vendor layout
];
foreach ($autoloaders as $autoloader) {
    if (file_exists($autoloader)) {
        require_once $autoloader;
        break;
    }
}

// Resolve --path argument
$path = '.';
foreach ($argv as $i => $arg) {
    if ($arg === '--path' && isset($argv[$i + 1])) {
        $path = $argv[$i + 1];
    }
}
$path = realpath($path) ?: $path;

$errors   = [];
$warnings = [];
$passed   = [];

// ── 1. Check src/ directory exists ──────────────────────────────────────
if (!is_dir("{$path}/src")) {
    $errors[] = "Missing src/ directory";
} else {
    $passed[] = "src/ directory exists";
}

// ── 2. Check module descriptor exists ───────────────────────────────────
$modFiles = glob("{$path}/src/core/modules/mod*.class.php") ?: [];
if (empty($modFiles)) {
    $modFiles = glob("{$path}/core/modules/mod*.class.php") ?: [];
}

if (empty($modFiles)) {
    $errors[] = "No module descriptor found (src/core/modules/mod*.class.php)";
} else {
    $modFile = $modFiles[0];
    $modContent = file_get_contents($modFile);
    $passed[] = "Module descriptor: " . basename($modFile);

    // ── 3. Check module number (numero) ─────────────────────────────────
    if (preg_match('/\$this->numero\s*=\s*(\d+)/', $modContent, $m)) {
        $numero = (int) $m[1];
        if ($numero === 0) {
            $errors[] = "Module number (\$this->numero) is 0 — request one via issue template";
        } else {
            $passed[] = "Module number: {$numero}";
        }
    } else {
        $errors[] = "Module number (\$this->numero) not found in descriptor";
    }

    // ── 4. Check version field ──────────────────────────────────────────
    if (preg_match('/\$this->version\s*=\s*[\'"]([^\'"]+)[\'"]/', $modContent, $m)) {
        $version = $m[1];
        $passed[] = "Module version: {$version}";
        if ($version === 'development') {
            $warnings[] = "Module version is 'development' — auto-release will set the real version on merge to main";
        }
    } else {
        $errors[] = "Module version (\$this->version) not found in descriptor";
    }

    // ── 5. Check url_last_version ────────────────────────────────────────
    if (preg_match('/\$this->url_last_version\s*=\s*[\'"]([^\'"]+)[\'"]/', $modContent, $m)) {
        $url = $m[1];
        $passed[] = "Update URL: {$url}";

        // Detect current branch
        $branch = trim((string) @shell_exec('git rev-parse --abbrev-ref HEAD 2>/dev/null'));

        if ($branch === 'main' || $branch === 'master') {
            if (!str_contains($url, '/main/update.txt')) {
                $errors[] = "On main: url_last_version must point to /main/update.txt";
            } else {
                $passed[] = "Update URL correctly points to main";
            }
        } elseif (!empty($branch) && $branch !== 'HEAD') {
            if (str_contains($url, '/main/')) {
                $warnings[] = "url_last_version points to main (current branch: {$branch}) — auto-release handles this on merge";
            }
        }
    } else {
        $warnings[] = "url_last_version not set — see docs/update-server.md";
    }
}

// ── 5. Check README.md exists and has VERSION ───────────────────────────
$readme = null;
foreach (['README.md', 'src/README.md'] as $candidate) {
    if (file_exists("{$path}/{$candidate}")) {
        $readme = $candidate;
        break;
    }
}
if ($readme === null) {
    $warnings[] = "No README.md found";
} else {
    $readmeContent = file_get_contents("{$path}/{$readme}");
    if (preg_match('/VERSION:\s*(\d{2}\.\d{2}\.\d{2})/', $readmeContent, $m)) {
        $passed[] = "README version: {$m[1]}";
    } else {
        $warnings[] = "README.md missing VERSION in FILE INFORMATION block";
    }
}

// ── 6. Check CHANGELOG exists ───────────────────────────────────────────
$hasChangelog = file_exists("{$path}/CHANGELOG.md") || file_exists("{$path}/src/ChangeLog.md");
if ($hasChangelog) {
    $passed[] = "Changelog present";
} else {
    $warnings[] = "No CHANGELOG.md or ChangeLog.md found";
}

// ── 7. Check LICENSE exists ─────────────────────────────────────────────
if (file_exists("{$path}/LICENSE")) {
    $passed[] = "LICENSE present";
} else {
    $errors[] = "Missing LICENSE file";
}

// ── Output ──────────────────────────────────────────────────────────────
echo "MokoCLI Module Validation" . PHP_EOL;
echo str_repeat("─", 50) . PHP_EOL;
echo PHP_EOL;

foreach ($passed as $p) {
    echo "  ✅ {$p}" . PHP_EOL;
}
foreach ($warnings as $w) {
    echo "  ⚠️  {$w}" . PHP_EOL;
}
foreach ($errors as $e) {
    echo "  ❌ {$e}" . PHP_EOL;
}

echo PHP_EOL;
$total = count($passed) + count($warnings) + count($errors);
echo "Results: {$total} checks — " . count($passed) . " passed, " . count($warnings) . " warnings, " . count($errors) . " errors" . PHP_EOL;

exit(count($errors) > 0 ? 1 : 0);