<?php

namespace App\Console\Commands;

use App\Models\TwitchToken;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Http;

class TwitchAuth extends Command {

	/**
	 * The name and signature of the console command.
	 *
	 * @var string
	 */
	protected $signature = 'twitch:auth {nick}';

	/**
	 * The console command description.
	 *
	 * @var string
	 */
	protected $description = 'Acquire a twitch oauth token';

	/**
	 * Execute the console command.
	 *
	 * @return int
	 */
	public function handle()
	{
		$token = TwitchToken::firstWhere('nick', $this->argument('nick'));
		if (!$token) {
			$token = new TwitchToken();
			$token->nick = $this->argument('nick');
			$token->scope = ['chat:read', 'chat:edit'];
		}
		$url = $token->getAuthUrl();
		$this->line('Please visit '.$url);
		$code = $this->ask('and enter the authorization code here');
		$rsp = $this->fetchToken($code);
		$token->type = $rsp['token_type'];
		$token->access = $rsp['access_token'];
		$token->refresh = $rsp['refresh_token'];
		$token->save();
		return Command::SUCCESS;
	}

	protected function fetchToken($code) {
		$rsp = Http::post('https://id.twitch.tv/oauth2/token', [
			'client_id' => config('twitch.client_id'),
			'client_secret' => config('twitch.client_secret'),
			'code' => $code,
			'grant_type' => 'authorization_code',
			'redirect_uri' => config('twitch.redirect_uri'),
		]);
		if (!$rsp->successful()) {
			throw new \Exception($rsp['message']);
		}
		return $rsp->json();
	}

}