<?php

namespace App\Clients;

use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class JenkinsClient
{
    private ?string $host;
    private ?string $username;
    private ?string $apiToken;
    private int $timeout;

    public function __construct()
    {
        $config = config('jenkins', []);
        $this->host = rtrim($config['host'] ?? '', '/');
        $this->username = $config['username'] ?? null;
        $this->apiToken = $config['api_token'] ?? null;
        $this->timeout = $config['timeout'] ?? 30;
    }

    public function isConfigured(): bool
    {
        return !empty($this->host) && !empty($this->username) && !empty($this->apiToken);
    }

    public function getJobInfo(string $jobName): ?array
    {
        return $this->request("/job/{$jobName}/api/json");
    }

    public function getBuildInfo(string $jobName, int $buildNumber): ?array
    {
        return $this->request("/job/{$jobName}/{$buildNumber}/api/json");
    }

    public function getLastBuild(string $jobName): ?array
    {
        return $this->request("/job/{$jobName}/lastBuild/api/json");
    }

    public function getBuilds(string $jobName, int $limit = 10): array
    {
        $jobInfo = $this->getJobInfo($jobName);
        if (!$jobInfo || empty($jobInfo['builds'])) {
            return [];
        }

        $builds = array_slice($jobInfo['builds'], 0, $limit);
        $result = [];

        foreach ($builds as $build) {
            $buildInfo = $this->getBuildInfo($jobName, $build['number']);
            if ($buildInfo) {
                $result[] = $buildInfo;
            }
        }

        return $result;
    }

    private function request(string $path): ?array
    {
        if (!$this->isConfigured()) {
            Log::warning('Jenkins client is not configured');
            return null;
        }

        $url = $this->host . $path;

        try {
            $response = Http::timeout($this->timeout)
                ->withBasicAuth($this->username, $this->apiToken)
                ->get($url);

            if ($response->successful()) {
                return $response->json();
            }

            Log::warning('Jenkins API request failed', [
                'url' => $url,
                'status' => $response->status(),
            ]);

            return null;
        } catch (\Throwable $e) {
            Log::error('Jenkins API request error', [
                'url' => $url,
                'error' => $e->getMessage(),
            ]);

            return null;
        }
    }
}