<?php
/**
 * Geoplot — CLI verifier.
 *
 * Usage:
 *   php verify.php /full/path/to/media/namespace
 *
 * Prints, for each PNG with XMP: filename stem, recomputed hash,
 * and whether they match.
 *
 * (c) Wizardry and Steamworks 2026
 * SPDX-License-Identifier: MIT
 */

if (PHP_SAPI !== 'cli') {
    fwrite(STDERR, "This script must be run from the command line.\n");
    exit(1);
}

define('DOKU_INC', dirname(__FILE__) . '/../../../');
require_once __DIR__ . '/geohash.php';
require_once __DIR__ . '/xmp.php';

if ($argc < 2) {
    fwrite(STDERR, "Usage: php verify.php <media-namespace-path>\n");
    exit(1);
}
$dir = $argv[1];
if (!is_dir($dir)) {
    fwrite(STDERR, "Not a directory: $dir\n");
    exit(1);
}

$it = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS)
);

$ok = 0; $bad = 0; $skip = 0;
foreach ($it as $f) {
    if (!$f->isFile()) continue;
    if (strtolower($f->getExtension()) !== 'png') continue;

    $stem = pathinfo($f->getFilename(), PATHINFO_FILENAME);
    $meta = Geoplot_XMP::read($f->getPathname());

    if ($meta === null) {
        printf("SKIP  %s  (no XMP)\n", $f->getFilename());
        $skip++;
        continue;
    }

    $recomputed = Geoplot_Geohash::generate($meta['lat'], $meta['lon'], $meta['date']);
    if ($recomputed === $stem) {
        printf("OK    %s  %s\n", $stem, $recomputed);
        $ok++;
    } else {
        printf("FAIL  %s  (computed %s)\n", $stem, $recomputed);
        $bad++;
    }
}

printf("\n%d ok, %d fail, %d skipped\n", $ok, $bad, $skip);