<?php

namespace App\Controllers;

class OpenApiDocs extends BaseController
{
    /**
     * Serve pre-bundled OpenAPI specification
     * Returns the bundled file with all paths and schemas resolved
     */
    public function index()
    {
        try {
            // Load pre-bundled OpenAPI spec
            $bundledPath = FCPATH . 'api-docs.bundled.yaml';
            
            if (!file_exists($bundledPath)) {
                throw new \Exception("Bundled API docs not found: api-docs.bundled.yaml. Run: node bundle-api-docs.js");
            }
            
            $content = file_get_contents($bundledPath);
            
            // Output as YAML
            return $this->response
                ->setContentType('application/x-yaml')
                ->setHeader('Access-Control-Allow-Origin', '*')
                ->setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS')
                ->setHeader('Access-Control-Allow-Headers', 'Content-Type')
                ->setHeader('Cache-Control', 'no-cache, must-revalidate')
                ->setBody($content);
                
        } catch (\Exception $e) {
            log_message('error', 'OpenApiDocs Error: ' . $e->getMessage());
            return $this->response
                ->setStatusCode(500)
                ->setContentType('application/json')
                ->setBody(json_encode([
                    'error' => 'Failed to serve OpenAPI spec',
                    'message' => $e->getMessage()
                ]));
        }
    }
}