<?php

declare(strict_types=1);

namespace OCA\AnalyticsHub\Controller;

use OCP\IRequest;
use OCP\IConfig;
use OCP\AppFramework\Http\TemplateResponse;
use OCA\AnalyticsHub\Service\GoogleAnalyticsService;
use OCA\AnalyticsHub\Service\LLMService;

/**
 * Admin Settings Controller
 *
 * @NoAdminRequired
 * @NoCSRFRequired
 */
class PageController extends \OCP\AppFramework\Controller {

    protected $appName;
    protected $config;
    protected $gaService;
    protected $llmService;

    public function __construct(
        string $appName,
        IRequest $request,
        IConfig $config,
        GoogleAnalyticsService $gaService,
        LLMService $llmService
    ) {
        parent::__construct($appName, $request);
        $this->appName = $appName;
        $this->config = $config;
        $this->gaService = $gaService;
        $this->llmService = $llmService;
    }

    /**
     * Index page - render admin UI
     *
     * @NoAdminRequired
     * @NoCSRFRequired
     */
    public function index(): TemplateResponse {
        // Check configuration status gracefully
        $isConfigured = false;
        $isGAConfigured = false;
        $isLLMConfigured = false;

        try {
            $isGAConfigured = $this->gaService->isConfigured();
            $isLLMConfigured = $this->llmService->isConfigured();
            $isConfigured = $isGAConfigured && $isLLMConfigured;
        } catch (\Exception $e) {
            // If service initialization fails, app is not configured
            $isConfigured = false;
        }

        // Get configuration values (masked for secrets)
        $clientId = $this->config->getAppValue('google_client_id', 'analyticshub', '');
        $apiKey = $this->config->getAppValue('anthropic_api_key', 'analyticshub', '');

        // Mask API key for display
        $maskedApiKey = '';
        if (!empty($apiKey)) {
            $maskedApiKey = substr($apiKey, 0, 8) . '...' . substr($apiKey, -4);
        }

        return new TemplateResponse($this->appName, 'admin', [
            'app_name' => $this->appName,
            'version' => '1.0.0',
            'status' => 'Ready for development',
            'is_configured' => $isConfigured,
            'is_ga_configured' => $isGAConfigured,
            'is_llm_configured' => $isLLMConfigured,
            'google_client_id' => $clientId,
            'anthropic_api_key_masked' => $maskedApiKey,
            'request' => $this->request,
        ]);
    }
}