#!/usr/bin/env php
<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: moko-platform.CLI
 * INGROUP: moko-platform
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /cli/theme_lint.php
 * BRIEF: Lint theme files -- CSS syntax, image sizes, hardcoded URLs
 */

declare(strict_types=1);

require_once __DIR__ . '/../lib/Enterprise/CliFramework.php';

use MokoEnterprise\CliFramework;

class ThemeLintCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Lint theme files -- CSS syntax, image sizes, hardcoded URLs');
        $this->addArgument('--path', 'Repository root', '.');
        $this->addArgument('--max-image-kb', 'Maximum image file size in KB', '500');
        $this->addArgument('--github-output', 'Export results to $GITHUB_OUTPUT', false);
        $this->addArgument('--strict', 'Exit 1 on any warning', false);
    }

    protected function run(): int
    {
        $path = $this->getArgument('--path');
        $maxImageKb = (int) $this->getArgument('--max-image-kb');
        $ghOutput = (bool) $this->getArgument('--github-output');
        $strict = (bool) $this->getArgument('--strict');

        $root = realpath($path) ?: $path;
        $errors = 0;
        $warnings = 0;

        $srcDir = null;
        foreach (['src', 'htdocs'] as $d) {
            if (is_dir("{$root}/{$d}")) {
                $srcDir = "{$root}/{$d}";
                break;
            }
        }
        if ($srcDir === null) {
            $this->log('ERROR', "No src/ or htdocs/ directory in {$root}");
            return 1;
        }

        echo "Theme Lint: {$srcDir}\n\n";

        echo "--- CSS Syntax ---\n";
        $cssFiles = $this->findFiles($srcDir, '*.css');
        $cssMinFiles = $this->findFiles($srcDir, '*.min.css');
        $cssToCheck = array_diff($cssFiles, $cssMinFiles);

        if (empty($cssToCheck)) {
            echo "  No CSS files to check\n";
        } else {
            foreach ($cssToCheck as $file) {
                $content = file_get_contents($file);
                $relPath = str_replace($root . '/', '', $file);
                $openBraces = substr_count($content, '{');
                $closeBraces = substr_count($content, '}');
                if ($openBraces !== $closeBraces) {
                    echo "  ERROR: {$relPath}: unmatched braces (open={$openBraces}, close={$closeBraces})\n";
                    $errors++;
                }
                if (preg_match_all('/\{[\s]*\}/', $content, $m)) {
                    $count = count($m[0]);
                    echo "  WARN:  {$relPath}: {$count} empty rule(s)\n";
                    $warnings++;
                }
                $importantCount = substr_count($content, '!important');
                if ($importantCount > 10) {
                    echo "  WARN:  {$relPath}: {$importantCount} !important declarations (consider refactoring)\n";
                    $warnings++;
                }
            }
            if ($errors === 0) {
                echo "  OK: " . count($cssToCheck) . " CSS file(s) checked\n";
            }
        }

        echo "\n--- Image Sizes (max {$maxImageKb}KB) ---\n";
        $imageExts = ['*.jpg', '*.jpeg', '*.png', '*.gif', '*.webp', '*.svg', '*.bmp'];
        $images = [];
        foreach ($imageExts as $ext) {
            $images = array_merge($images, $this->findFiles($srcDir, $ext));
        }
        if (is_dir("{$root}/images")) {
            foreach ($imageExts as $ext) {
                $images = array_merge($images, $this->findFiles("{$root}/images", $ext));
            }
        }

        $oversized = 0;
        $totalSize = 0;
        foreach ($images as $file) {
            $size = filesize($file);
            $totalSize += $size;
            $relPath = str_replace($root . '/', '', $file);
            $sizeKb = round($size / 1024);
            if ($sizeKb > $maxImageKb) {
                echo "  WARN:  {$relPath}: {$sizeKb}KB (exceeds {$maxImageKb}KB limit)\n";
                $oversized++;
                $warnings++;
            }
        }

        $totalMb = round($totalSize / 1024 / 1024, 1);
        echo "  " . count($images) . " image(s), {$totalMb}MB total";
        if ($oversized > 0) {
            echo ", {$oversized} oversized";
        }
        echo "\n";

        echo "\n--- Hardcoded URLs ---\n";
        $codeFiles = array_merge($this->findFiles($srcDir, '*.css'), $this->findFiles($srcDir, '*.js'));
        $codeFiles = array_filter($codeFiles, function ($f) {
            return !preg_match('/\.min\.(css|js)$/', $f);
        });
        $urlPatterns = [
            '/https?:\/\/clarksvillefurs\.com/' => 'hardcoded production URL',
            '/https?:\/\/[a-z]+\.dev\.mokoconsulting\.tech/' => 'hardcoded dev URL',
            '/https?:\/\/localhost/' => 'localhost reference',
        ];
        $urlIssues = 0;
        foreach ($codeFiles as $file) {
            $content = file_get_contents($file);
            $relPath = str_replace($root . '/', '', $file);
            foreach ($urlPatterns as $pattern => $desc) {
                if (preg_match_all($pattern, $content, $matches)) {
                    $count = count($matches[0]);
                    echo "  WARN:  {$relPath}: {$count} {$desc}\n";
                    $urlIssues++;
                    $warnings++;
                }
            }
        }
        if ($urlIssues === 0) {
            echo "  OK: No hardcoded URLs found\n";
        }

        echo "\n=== Summary ===\n";
        echo "Errors:   {$errors}\n";
        echo "Warnings: {$warnings}\n";

        if ($ghOutput) {
            $ghFile = getenv('GITHUB_OUTPUT');
            if ($ghFile) {
                file_put_contents($ghFile, "lint_errors={$errors}\n", FILE_APPEND);
                file_put_contents($ghFile, "lint_warnings={$warnings}\n", FILE_APPEND);
                file_put_contents($ghFile, "lint_images=" . count($images) . "\n", FILE_APPEND);
                file_put_contents($ghFile, "lint_css=" . count($cssToCheck) . "\n", FILE_APPEND);
            }
        }

        if ($errors > 0) {
            return 1;
        }
        if ($strict && $warnings > 0) {
            return 1;
        }
        return 0;
    }

    private function findFiles(string $dir, string $pattern): array
    {
        $results = [];
        if (!is_dir($dir)) {
            return $results;
        }
        $iterator = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS)
        );
        foreach ($iterator as $file) {
            if (fnmatch($pattern, $file->getFilename())) {
                $results[] = $file->getPathname();
            }
        }
        return $results;
    }
}

$app = new ThemeLintCli();
exit($app->execute());