<?php
declare(strict_types=1);
namespace Butschster\ContextGenerator\McpServer\Tool;
use Butschster\ContextGenerator\Application\Logger\LoggerPrefix;
use Butschster\ContextGenerator\Config\Import\Merger\AbstractConfigMerger;
use Butschster\ContextGenerator\Config\Import\Source\ImportedConfig;
#[LoggerPrefix(prefix: 'tool-merger')]
final readonly class ToolConfigMerger extends AbstractConfigMerger
{
public function getConfigKey(): string
{
return 'tools';
}
protected function performMerge(array $mainSection, array $importedSection, ImportedConfig $importedConfig): array
{
// Index main tools by ID for efficient lookups
$indexedTools = [];
foreach ($mainSection as $tool) {
if (!isset($tool['id'])) {
continue;
}
$indexedTools[$tool['id']] = $tool;
}
// Process each imported tool
foreach ($importedSection as $tool) {
if (!isset($tool['id'])) {
$this->logger->warning('Skipping tool without ID', [
'tool' => $tool,
'path' => $importedConfig->path,
]);
continue;
}
$toolId = $tool['id'];
// Special handling for working directory
$workingDir = $tool['workingDir'] ?? '.';
if ($importedConfig->isLocal && $workingDir === '.') {
$tool['workingDir'] = \dirname($importedConfig->path);
$this->logger->debug('Updated tool working directory', [
'id' => $toolId,
'workingDir' => $tool['workingDir'],
]);
}
$indexedTools[$toolId] = $tool;
$this->logger->debug('Merged tool', [
'id' => $toolId,
'path' => $importedConfig->path,
]);
}
// Convert back to numerically indexed array
return \array_values($indexedTools);
}
}
