<?php

namespace App\ScheduledNode;

use App\ScheduledNode\UseCases\GetTodaysSchedule;
use App\ScheduledNode\UseCases\GetTodaysScheduleRequest;
use App\User\User;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;

class ScheduledNodeController
{
    public function getScheduledNodes(
        Request $request,
        Response $response,
        GetTodaysSchedule $getTodaysSchedule,
    ): Response {
        $user = $request->getAttribute('user');
        if (!$user instanceof User) {
            $response->getBody()->write(
                json_encode(['error' => 'unauthenticated'])
            );
            return $response->withStatus(401)
                ->withHeader('Content-Type', 'application/json');
        }

        $queryParams = $request->getQueryParams();
        $date = $queryParams['date'] ?? null;
        if ($date === null || $date === '') {
            $response->getBody()->write(
                json_encode(['error' => 'date is required'])
            );
            return $response->withStatus(400)
                ->withHeader('Content-Type', 'application/json');
        }

        $scheduledNodes = $getTodaysSchedule->execute(
            new GetTodaysScheduleRequest(
                date: $date,
                userId: $user->getId(),
            )
        );

        $data = array_values(array_map(
            function (ScheduledNode $scheduledNode) {
                return [
                    'id' => $scheduledNode->getId(),
                    'date' => $scheduledNode->getDate()->format('Y-m-d'),
                    'planName' => $scheduledNode->getPlan()->getName(),
                    'nodeTitle' => $scheduledNode->getNode()->getTitle(),
                    'completed' => $scheduledNode->getCompleted(),
                ];
            },
            $scheduledNodes,
        ));

        $response->getBody()->write(json_encode($data));
        return $response->withStatus(200)
            ->withHeader('Content-Type', 'application/json');
    }
}