<?php

namespace App\Services;

use App\Models\Settings;

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

class SynapseService
{
    protected string $AUTH_TOKEN;
    protected string $SYNAPSE_ENDPOINT;

    public function __construct()
    {
        $this->AUTH_TOKEN = Settings::get('synapse_access_token', '');
        $this->SYNAPSE_ENDPOINT = Settings::get('synapse_endpoint', '');
    }

    /**
     * Create registration token
     */
    public function createRegistrationToken(): ?string
    {
        $response = Http::withHeaders([
            'Authorization' => "Bearer $this->AUTH_TOKEN",
            'Content-Type' => 'application/json'
        ])->post("$this->SYNAPSE_ENDPOINT/_synapse/admin/v1/registration_tokens/new", [
            'uses_allowed' => 1,
            'length' => 12,
            'expiry_time' => now()->addWeek()->valueOf(),
        ]);

        if ($response->successful()) {
            return $response->json()['token'] ?? null;
        }

        Log::error('Failed to create Synapse registration token', [
            'status' => $response->status(),
            'body' => $response->body()
        ]);

        return null;
    }

    /**
     * Fetch all active registration tokens from Synapse
     */
    public function fetchTokens(): ?array
    {
        $response = Http::withHeaders([
            'Authorization' => "Bearer $this->AUTH_TOKEN",
            'Content-Type' => 'application/json'
        ])->get("$this->SYNAPSE_ENDPOINT/_synapse/admin/v1/registration_tokens?valid=true");

        if ($response->successful()) {
            return $response->json()['registration_tokens'] ?? [];
        }

        return null;
    }

    /**
     * Revoke registration token
     */
    public function revokeToken(string $token): ?bool
    {
        $response = Http::withHeaders([
            'Authorization' => "Bearer $this->AUTH_TOKEN",
            'Content-Type' => 'application/json'
        ])->delete("$this->SYNAPSE_ENDPOINT/_synapse/admin/v1/registration_tokens/$token");

        return $response->successful();
    }
}