<?php

namespace App\Services;

use Illuminate\Support\Facades\Http;
use RuntimeException;
use Throwable;

class Bambuddy
{
    public function __construct(private IntegrationSettings $settings, private IntegrationCache $cache) {}

    public function url(): string
    {
        return (string) ($this->settings->for('bambuddy')['url'] ?? '');
    }

    public function configured(): bool
    {
        return filled($this->url()) && filled($this->settings->for('bambuddy')['api_key'] ?? null);
    }

    public function printers(): array
    {
        if (! $this->configured()) {
            throw new RuntimeException('BamBuddy API key is not configured.');
        }

        return $this->cache->remember('bambuddy.printers.'.md5($this->url()), 45, fn (): array => $this->fetchPrinters());
    }

    /** @return array<int, array<string, mixed>> Jobs still waiting or running in the BamBuddy queue. */
    public function queue(): array
    {
        return $this->cache->remember('bambuddy.queue.'.md5($this->url()), 45, fn (): array => collect($this->get('queue/'))
            ->filter(fn ($item): bool => is_array($item) && empty($item['completed_at']) && in_array($item['status'] ?? 'pending', ['pending', 'printing', 'queued', 'waiting'], true))
            ->sortBy('position')->values()->all());
    }

    /** @return array<int, array<string, mixed>> */
    public function recentPrints(int $limit = 10): array
    {
        return $this->cache->remember('bambuddy.archives.'.md5($this->url()).'.'.$limit, 120, fn (): array => collect($this->get('archives/', ['limit' => $limit]))
            ->filter(fn ($archive): bool => is_array($archive))->values()->all());
    }

    /** @return array<int, array<string, mixed>> Spools in the BamBuddy inventory. */
    public function spools(): array
    {
        return $this->cache->remember('bambuddy.spools.'.md5($this->url()), 300, fn (): array => collect($this->get('inventory/spools'))
            ->filter(fn ($spool): bool => is_array($spool))->values()->all());
    }

    /** @return array<string, mixed> */
    public function stats(): array
    {
        return $this->cache->remember('bambuddy.stats.'.md5($this->url()), 300, fn (): array => $this->get('archives/stats'));
    }

    /** @param array<string, mixed> $query */
    private function get(string $path, array $query = [], int $timeout = 8): array
    {
        if (! $this->configured()) {
            throw new RuntimeException('BamBuddy API key is not configured.');
        }
        $base = preg_replace('#/api(/v1)?$#', '', rtrim(trim($this->url()), '/'));

        return Http::withHeaders(['X-API-Key' => trim((string) $this->settings->for('bambuddy')['api_key'])])
            ->acceptJson()->connectTimeout(3)->timeout($timeout)
            ->get($base.'/api/v1/'.ltrim($path, '/'), $query)->throw()->json() ?? [];
    }

    private function fetchPrinters(): array
    {
        return collect($this->get('printers/'))->filter(fn ($printer) => is_array($printer) && isset($printer['id']))
            ->take(20)->map(function (array $printer): array {
                try {
                    return $printer + ['live' => $this->get('printers/'.(int) $printer['id'].'/status', timeout: 5)];
                } catch (Throwable $exception) {
                    report($exception);

                    return $printer + ['live' => []];
                }
            })->values()->all();
    }
}