<?php

declare(strict_types=1);

namespace App\State;

use ApiPlatform\Metadata\Operation;
use ApiPlatform\Metadata\Post;
use ApiPlatform\State\ProviderInterface;
use App\ApiResource\GiteaBranch;
use App\Entity\Task;
use App\Exception\GiteaApiException;
use App\Service\GiteaApiService;
use Doctrine\ORM\EntityManagerInterface;

final readonly class GiteaBranchProvider implements ProviderInterface
{
    public function __construct(
        private GiteaApiService $giteaApiService,
        private EntityManagerInterface $em,
    ) {}

    public function provide(Operation $operation, array $uriVariables = [], array $context = []): array|GiteaBranch
    {
        if ($operation instanceof Post) {
            return new GiteaBranch();
        }

        $task = $this->em->getRepository(Task::class)->find($uriVariables['taskId'] ?? 0);
        if (null === $task || null === $task->getProject()) {
            return [];
        }

        $project = $task->getProject();
        if (!$project->hasGiteaRepo()) {
            return [];
        }

        $taskCode = $project->getCode().'-'.$task->getNumber();

        try {
            $branches = $this->giteaApiService->listBranches($project, $taskCode);
        } catch (GiteaApiException) {
            return [];
        }

        $result = [];
        foreach ($branches as $branch) {
            $dto       = new GiteaBranch();
            $dto->name = $branch['name'];

            try {
                $commits      = $this->giteaApiService->listBranchCommits($project, $branch['name']);
                $dto->commits = array_map(static fn (array $c): array => [
                    'sha'     => substr($c['sha'] ?? '', 0, 7),
                    'message' => $c['commit']['message'] ?? '',
                    'author'  => $c['commit']['author']['name'] ?? '',
                    'date'    => $c['commit']['author']['date'] ?? $c['created'] ?? '',
                ], $commits);
            } catch (GiteaApiException) {
                $dto->commits = [];
            }

            $result[] = $dto;
        }

        return $result;
    }
}