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

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: mokocli.CLI
 * INGROUP: mokocli
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/mokocli
 * PATH: /cli/theme_vars_check.php
 * BRIEF: Verify a client MokoOnyx theme defines all required CSS variables
 *        (light + dark) and passes basic theme-package sanity checks.
 *
 * Standalone (no CliFramework dependency) so it runs even when the shared
 * framework autoloader is unavailable.
 *
 * Usage: php theme_vars_check.php --path . [--github-output] [--strict]
 */

declare(strict_types=1);

$opts  = getopt('', ['path:', 'github-output', 'strict']);
$path  = $opts['path'] ?? '.';
if (!is_string($path) || $path === '') { $path = '.'; }
$gh    = array_key_exists('github-output', $opts);
$root  = realpath($path);
if ($root === false) { $root = $path; }

// Locate the package source directory (src/ preferred, source/ legacy).
$src = is_dir("$root/src") ? "$root/src" : (is_dir("$root/source") ? "$root/source" : null);
if ($src === null) {
    fwrite(STDERR, "ERROR: no src/ or source/ directory under $root\n");
    exit(1);
}

$errors  = 0;
$summary = [];
$fail = function (string $msg) use (&$errors, &$summary): void {
    echo "  [FAIL] $msg\n";
    $summary[] = "FAIL: $msg";
    $errors++;
};
$ok = function (string $msg): void { echo "  [ok]   $msg\n"; };

$cssDir   = "$src/media/templates/site/mokoonyx/css";
$themeDir = "$cssDir/theme";
$light    = "$themeDir/light.custom.css";
$dark     = "$themeDir/dark.custom.css";
$manifest = "$src/templateDetails.xml";

echo "MokoOnyx theme validation: $src\n\n";

// 1) Required files -------------------------------------------------------
echo "=== Required files ===\n";
$requiredFiles = [
    'templateDetails.xml' => $manifest,
    'theme/light.custom.css' => $light,
    'theme/dark.custom.css' => $dark,
    'user.css' => "$cssDir/user.css",
];
foreach ($requiredFiles as $label => $file) {
    is_file($file) ? $ok("$label present") : $fail("missing required file: $label");
}

// 2) Required CSS variables (must be defined in BOTH light and dark) ------
$required = [
    // accent + Bootstrap contextual colors
    '--color-primary', '--primary', '--secondary', '--success', '--info',
    '--warning', '--danger', '--light', '--dark',
    // rgb triplets (utilities rely on these)
    '--primary-rgb', '--secondary-rgb', '--success-rgb', '--info-rgb',
    '--warning-rgb', '--danger-rgb', '--light-rgb', '--dark-rgb',
    // 5.3 emphasis + subtle tokens (theme-aware utilities)
    '--primary-text-emphasis', '--success-text-emphasis', '--info-text-emphasis',
    '--warning-text-emphasis', '--danger-text-emphasis',
    '--primary-bg-subtle', '--success-bg-subtle', '--info-bg-subtle',
    '--warning-bg-subtle', '--danger-bg-subtle',
    // body + links
    '--body-bg', '--body-color', '--body-bg-rgb', '--body-color-rgb',
    '--color-link', '--color-hover',
];

echo "\n=== MokoOnyx CSS variables (light + dark) ===\n";
foreach (['light' => $light, 'dark' => $dark] as $mode => $file) {
    if (!is_file($file)) { continue; } // already reported as missing file
    $css = (string) file_get_contents($file);
    $missing = [];
    foreach ($required as $var) {
        if (!preg_match('/' . preg_quote($var, '/') . '\s*:/', $css)) {
            $missing[] = $var;
        }
    }
    if ($missing) {
        $fail("$mode mode is missing " . count($missing) . ' variable(s): ' . implode(', ', $missing));
    } else {
        $ok("$mode mode defines all " . count($required) . ' required variables');
    }
}

// 3) Manifest sanity ------------------------------------------------------
echo "\n=== Manifest (templateDetails.xml) ===\n";
if (is_file($manifest)) {
    $xml = @simplexml_load_file($manifest);
    if ($xml === false) {
        $fail('templateDetails.xml is not well-formed XML');
    } else {
        $version = isset($xml->version) ? trim((string) $xml->version) : '';
        $version !== '' ? $ok("version $version") : $fail('<version> is missing or empty');

        $server = isset($xml->updateservers->server) ? trim((string) $xml->updateservers->server) : '';
        if ($server === '') {
            $fail('<updateservers><server> is missing');
        } elseif (strpos($server, '/raw/branch/') !== false) {
            $fail('update server uses a legacy raw/branch URL; use the dynamic MokoGitea feed (…/<org>/<repo>/updates.xml)');
        } else {
            $ok("update server: $server");
        }

        isset($xml->dlid) ? $ok('<dlid> license-key field present')
            : $fail('<dlid prefix="dlid=" suffix=""/> is missing');
    }
}

// Output / exit -----------------------------------------------------------
echo "\n";
if ($gh && ($f = getenv('GITHUB_STEP_SUMMARY'))) {
    $md = "## MokoOnyx Theme Validation\n\n";
    $md .= $errors === 0
        ? "All checks passed.\n"
        : implode("\n", array_map(static fn ($l) => "- $l", $summary)) . "\n";
    @file_put_contents($f, $md, FILE_APPEND);
}

if ($errors > 0) {
    echo "FAILED: $errors issue(s) found.\n";
    exit(1);
}
echo "All MokoOnyx theme validation checks passed.\n";
exit(0);