<?php

namespace App\Services\Meet;

use Illuminate\Http\Client\ConnectionException;
use Illuminate\Http\Client\PendingRequest;
use Illuminate\Support\Facades\Http;

/**
 * Client for the Ladill Meet service API — virtual sessions linked to Events.
 */
class MeetClient
{
    public function __construct(private readonly string $ownerRef) {}

    public static function for(string $ownerRef): self
    {
        return new self($ownerRef);
    }

    /**
     * @return array<string, mixed>|null
     */
    public function findBySource(string $app, string $entityId): ?array
    {
        try {
            $response = $this->client()->get('rooms/by-source', [
                'source_app' => $app,
                'entity_id' => $entityId,
                'owner_ref' => $this->ownerRef,
            ]);
        } catch (ConnectionException) {
            return null;
        }

        if ($response->status() === 404) {
            return null;
        }

        if ($response->failed()) {
            return null;
        }

        return (array) $response->json();
    }

    /**
     * @param  array<string, mixed>  $data
     * @return array<string, mixed>
     */
    public function upsertRoom(array $data): array
    {
        return $this->post('rooms', array_merge($data, [
            'owner_ref' => $this->ownerRef,
            'host_user_ref' => $data['host_user_ref'] ?? $this->ownerRef,
        ]));
    }

    /**
     * @param  array<string, mixed>  $data
     * @return array<string, mixed>
     */
    public function updateRoom(string $roomUuid, array $data): array
    {
        return $this->patch("rooms/{$roomUuid}", array_merge($data, [
            'owner_ref' => $this->ownerRef,
            'host_user_ref' => $data['host_user_ref'] ?? $this->ownerRef,
        ]));
    }

    public function cancelRoom(string $roomUuid, ?string $hostUserRef = null): array
    {
        return $this->post("rooms/{$roomUuid}/cancel", [
            'owner_ref' => $this->ownerRef,
            'host_user_ref' => $hostUserRef ?? $this->ownerRef,
        ]);
    }

    private function client(): PendingRequest
    {
        return Http::baseUrl((string) config('meet.url'))
            ->withToken((string) config('meet.key'))
            ->acceptJson()
            ->asJson()
            ->connectTimeout(10)
            ->timeout(20);
    }

    /**
     * @return array<string, mixed>
     */
    private function post(string $path, array $data): array
    {
        return $this->request('post', $path, $data);
    }

    /**
     * @return array<string, mixed>
     */
    private function patch(string $path, array $data): array
    {
        return $this->request('patch', $path, $data);
    }

    /**
     * @return array<string, mixed>
     */
    private function request(string $method, string $path, array $data): array
    {
        try {
            $response = $this->client()->{$method}($path, $data);
        } catch (ConnectionException) {
            throw new \RuntimeException('Could not reach the Meet service.');
        }

        if ($response->failed()) {
            throw new \RuntimeException('Meet service error: '.($response->json('message') ?? $response->body()));
        }

        return (array) $response->json();
    }
}