<?php

declare(strict_types=1);

namespace OCA\F7Support\Controller;

use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\IUserSession;
use OCP\Util;

class PageController extends Controller {
	public function __construct(
		string $AppName,
		IRequest $request,
		private IUserSession $userSession,
		private IURLGenerator $urlGenerator,
		private IConfig $config,
	) {
		parent::__construct($AppName, $request);
	}

    /**
     * @NoAdminRequired
     * @NoCSRFRequired
     */
    public function index(): TemplateResponse {
        $user = $this->userSession->getUser();
        $baseUrl = $this->urlGenerator->getBaseUrl();
        $serverHost = parse_url($baseUrl, PHP_URL_HOST) ?: 'localhost';

		// База REST API поддержки (без завершающего слэша). Переопределение: occ config:app:set f7support support_api_base --value=https://...
		$supportApiBase = trim($this->config->getAppValue('f7support', 'support_api_base', 'https://support.f7cloud.ru'));
		if ($supportApiBase === '') {
			$supportApiBase = 'https://support.f7cloud.ru';
		}
		$supportParts = parse_url($supportApiBase);
		$supportApiOrigin = ($supportParts['scheme'] ?? 'https') . '://' . ($supportParts['host'] ?? '');

		// Optional full WebSocket URL prefix, e.g. wss://support.f7cloud.ru/api/ws (path before /tickets/{id})
		$supportWsBase = $this->config->getAppValue('f7support', 'support_ws_base', '');

		// Метки «прочитано» (POST …/read на API поддержки).
		// Порядок деплоя: (1) выкатить бэкенд с маршрутами POST /api/client/tickets/{id}/read и POST /api/operator/tickets/{id}/read;
		// (2) на Nextcloud: occ config:app:set f7support client_read_receipts --value=1 — тогда приложение f7support начнёт слать client /read;
		// панель оператора вызывает operator /read независимо от этого флага. При client_read_receipts=0 клиент не дергает client /read (нет 404 на старом API).
		// Отключить вызовы с клиента: occ config:app:set f7support client_read_receipts --value=0
		$clientReadReceipts = $this->config->getAppValue('f7support', 'client_read_receipts', '0');

		Util::addStyle('f7support', 'f7support');
		Util::addScript('f7support', 'main');

		return new TemplateResponse('f7support', 'main', [
			'username' => $user ? $user->getUID() : '',
			'serverAddress' => $serverHost,
			'supportApiBase' => $supportApiBase,
			'supportApiOrigin' => $supportApiOrigin,
			'supportWsBase' => $supportWsBase,
			'clientReadReceipts' => $clientReadReceipts,
		]);
    }
}