<?php
/**
 * WEVIA Business Visual Studio · API
 * Aggregates all Playwright videos + results JSON into single endpoint
 * 
 * Opus Yacine · 18avr2026 · Pattern opus-wire-only
 */
header('Content-Type: application/json; charset=utf-8');
header('Cache-Control: no-store');
header('Access-Control-Allow-Origin: *');

$t0 = microtime(true);
$REPORT_DIR = '/var/www/html/test-report';

// Discover all test reports + videos + results
$reports = [];
if (is_dir($REPORT_DIR)) {
    foreach (scandir($REPORT_DIR) as $entry) {
        if ($entry === '.' || $entry === '..') continue;
        $path = "$REPORT_DIR/$entry";
        if (!is_dir($path)) continue;
        
        // Collect videos + results.json + screenshots
        $videos = glob("$path/*.webm");
        $results_json = null;
        foreach (['results.json', 'tour-results.json', 'six-sigma-results.json', 
                  'six-sigma-v2-results.json', 'exhaustive-results.json', 
                  'exhaustive-v3-results.json', 'result.json'] as $fname) {
            if (is_file("$path/$fname")) { $results_json = "$path/$fname"; break; }
        }
        $screenshots = glob("$path/*.png");
        
        if (!$videos && !$results_json) continue;
        
        // Parse results if available
        $summary = null; $scenarios_count = null;
        if ($results_json && ($data = @json_decode(@file_get_contents($results_json), true))) {
            $summary = $data['summary'] ?? null;
            $scenarios_count = count($data['scenarios'] ?? $data['pages'] ?? []);
        }
        
        $total_video_bytes = 0;
        foreach ($videos as $v) $total_video_bytes += filesize($v);
        
        $reports[] = [
            'id' => $entry,
            'path' => "/test-report/$entry/",
            'created_ts' => filemtime($path),
            'created' => date('c', filemtime($path)),
            'videos_count' => count($videos),
            'video_urls' => array_map(fn($v) => '/test-report/' . $entry . '/' . basename($v), $videos),
            'total_video_bytes' => $total_video_bytes,
            'total_video_mb' => round($total_video_bytes / 1048576, 2),
            'screenshots_count' => count($screenshots),
            'screenshot_samples' => array_slice(array_map(fn($s) => '/test-report/' . $entry . '/' . basename($s), $screenshots), 0, 5),
            'has_results_json' => (bool)$results_json,
            'results_json_url' => $results_json ? '/test-report/' . $entry . '/' . basename($results_json) : null,
            'summary' => $summary,
            'scenarios_count' => $scenarios_count,
            'category' => (
                strpos($entry, 'six-sigma') !== false ? 'six_sigma' :
                (strpos($entry, 'exhaustive') !== false ? 'exhaustive' :
                (strpos($entry, 'video-tour') !== false ? 'video_tour' :
                (strpos($entry, 'vm-') !== false ? 'widget_vm' :
                (strpos($entry, 'business-coverage') !== false ? 'business_coverage' :
                (strpos($entry, 'l99') !== false ? 'l99_suite' : 'other')))))
            ),
        ];
    }
}

// Sort by newest first
usort($reports, fn($a, $b) => $b['created_ts'] - $a['created_ts']);

// Aggregate stats
$total_videos = array_sum(array_column($reports, 'videos_count'));
$total_mb = round(array_sum(array_column($reports, 'total_video_bytes')) / 1048576, 2);
$total_screenshots = array_sum(array_column($reports, 'screenshots_count'));

// Latest L99 + NonReg state
$nonreg = @json_decode(@file_get_contents('/var/www/html/api/nonreg-latest.json'), true);
$nonreg_score = $nonreg['score'] ?? null;

// Count by category
$by_cat = [];
foreach ($reports as $r) {
    $c = $r['category'];
    if (!isset($by_cat[$c])) $by_cat[$c] = 0;
    $by_cat[$c]++;
}

echo json_encode([
    'ok' => true,
    'module' => 'WEVIA Business Visual Studio',
    'version' => 'BVS v1.0',
    'ts' => date('c'),
    'summary' => [
        'total_reports' => count($reports),
        'total_videos' => $total_videos,
        'total_video_mb' => $total_mb,
        'total_screenshots' => $total_screenshots,
        'nonreg_score' => $nonreg_score,
        'by_category' => $by_cat,
    ],
    'reports' => $reports,
    'elapsed_ms' => round((microtime(true) - $t0) * 1000, 1),
], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);