<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Http;

class TwitchToken extends Model
{
	use HasFactory;

	public function getAuthUrl() {
		return 'https://id.twitch.tv/oauth2/authorize'
			.'?response_type=code'
			.'&client_id='.rawurlencode(config('twitch.client_id'))
			.'&redirect_uri='.rawurlencode(config('twitch.redirect_uri'))
			.'&scope='.implode('+', array_map('rawurlencode', $this->scope));
	}

	public function hasExpired() {
		return now()->isAfter($this->expires_at);
	}

	public function refresh() {
		$rsp = Http::post('https://id.twitch.tv/oauth2/token', [
			'client_id' => config('twitch.client_id'),
			'client_secret' => config('twitch.client_secret'),
			'grant_type' => 'refresh_token',
			'refresh_token' => $this->refresh,
		]);
		if (!$rsp->successful()) {
			throw new \Exception($rsp['message']);
		}
		$this->type = $rsp['token_type'];
		$this->scope = $rsp['scope'];
		$this->access = $rsp['access_token'];
		$this->refresh = $rsp['refresh_token'];
		$this->expires_at = now()->add($rsp['expires_in'], 'second');
		$this->save();
	}

	public function request() {
		return Http::baseUrl('https://api.twitch.tv/helix')
			->withToken($this->access)
			->withHeaders([
				'Client-Id' => config('twitch.client_id'),
			]);
	}

	protected $casts = [
		'scope' => 'array',
	];

	protected $hidden = [
		'access',
		'refresh',
	];

}