<?php
// V98 Doctrine #100 FULL AUTO BROWSER PILOTE PAR WEVIA
// Browser automation LinkedIn - no API token needed, uses persistent Chromium session

header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');

$action = $_GET['action'] ?? 'check_session';
$script = '/opt/weval-l99/v98-linkedin-browser-publish.py';
$session_dir = '/opt/weval-l99/browser-sessions/linkedin';

switch ($action) {
case 'check_session':
    $out = shell_exec("cd /tmp && timeout 60 python3 $script check_session 2>&1");
    $data = @json_decode(trim($out), true);
    echo json_encode($data ?: ['ok' => false, 'raw' => substr($out, 0, 500)], JSON_PRETTY_PRINT);
    break;

case 'publish_due':
    // Runs full scheduled queue through browser
    $out = shell_exec("cd /tmp && timeout 180 python3 $script publish_due 2>&1");
    $data = @json_decode(trim($out), true);
    echo json_encode($data ?: ['ok' => false, 'raw' => substr($out, 0, 500)], JSON_PRETTY_PRINT);
    break;

case 'publish_id':
    $id = escapeshellarg($_GET['id'] ?? $_POST['id'] ?? '');
    $out = shell_exec("cd /tmp && timeout 90 python3 $script publish_id $id 2>&1");
    $data = @json_decode(trim($out), true);
    echo json_encode($data ?: ['ok' => false, 'raw' => substr($out, 0, 500)], JSON_PRETTY_PRINT);
    break;

case 'session_status':
    // Check if persistent Chromium context has valid LinkedIn session
    $cookies_file = "$session_dir/Default/Cookies";
    $exists = file_exists($cookies_file);
    $size = $exists ? filesize($cookies_file) : 0;
    $mtime = $exists ? filemtime($cookies_file) : 0;
    echo json_encode([
      'session_exists' => $exists,
      'cookies_file' => $cookies_file,
      'size_bytes' => $size,
      'last_update' => $mtime ? date('c', $mtime) : null,
      'age_hours' => $mtime ? round((time() - $mtime) / 3600, 1) : null,
      'instructions' => !$exists ? 'One-time login: run /api/v98-linkedin-browser.php?action=init_session on a server with display OR visit from your logged-in browser to feed cookies' : 'Session ready',
    ], JSON_PRETTY_PRINT);
    break;

case 'log':
    $tail = @shell_exec('tail -50 /var/log/v98-linkedin-browser.log 2>/dev/null') ?: '';
    echo json_encode(['log' => $tail], JSON_PRETTY_PRINT);
    break;

default:
    echo json_encode(['err' => 'unknown', 'available' => ['check_session', 'publish_due', 'publish_id', 'session_status', 'log']]);
}