<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';

$action = $_GET['action'] ?? '';
$username = $_GET['username'] ?? '';

if (empty($username)) {
    echo json_encode(['success' => false, 'error' => 'Username required']);
    exit;
}

if ($action === 'start') {
    // 1. Kill any existing bridge for this user
    shell_exec("pkill -f \"node tiktok_bridge.js $username\"");
    
    // 2. Start new bridge
    $cmd = sprintf(
        "node %s %s %s %s %s %s > /dev/null 2>&1 &",
        escapeshellarg(__DIR__ . '/../tiktok_bridge.js'),
        escapeshellarg($username),
        escapeshellarg(DB_HOST),
        escapeshellarg(DB_USER),
        escapeshellarg(DB_PASS),
        escapeshellarg(DB_NAME)
    );
    
    shell_exec($cmd);
    
    echo json_encode(['success' => true, 'message' => "Bridge started for @$username"]);
} elseif ($action === 'stop') {
    shell_exec("pkill -f \"node tiktok_bridge.js $username\"");
    echo json_encode(['success' => true, 'message' => "Bridge stopped for @$username"]);
} elseif ($action === 'status') {
    $output = shell_exec("pgrep -f \"node tiktok_bridge.js $username\"");
    echo json_encode(['success' => true, 'running' => !empty($output)]);
} else {
    echo json_encode(['success' => false, 'error' => 'Invalid action']);
}