<?php

namespace App\Domains\Captcha\Http\Controllers;

use App\Core\Controller;
use Illuminate\Http\Request;
use App\Exceptions\NotAllowedException;
use App\Domains\Captcha\Services\CaptchaService;

class CaptchaController extends Controller
{
    protected $request;
    protected $captchaService;

    /**
     * 构造函数，自动注入.
     */
    public function __construct(Request $request, CaptchaService $captchaService)
    {
        $this->request = $request;
        $this->captchaService = $captchaService;
    }

    /**
     * get CAPTCHA
     *
     * @param string $config
     * @return \Intervention\Image\ImageManager->response
     */
    public function getCaptcha($config = 'default')
    {
        if ($this->request->isMethod('post')) {
            $captchaKey = $this->request->get('captcha_key', '');
            $captcha = $this->request->get('captcha', '');
            if (!$this->captchaService->check($captcha, $captchaKey)) {
                throw new NotAllowedException('验证码不正确');
            }

            return res(true, '验证码正确');
        }

        if (ob_get_contents()) {
            ob_clean();
        }

        return $this->captchaService->create($config);
    }

    /**
     * get CAPTCHA api
     *
     * @param string $config
     * @return \Intervention\Image\ImageManager->response
     */
    public function getCaptchaApi($config = 'default')
    {
        if ($this->request->isMethod('post')) {
            $captchaKey = $this->request->get('captcha_key', '');
            $captcha = $this->request->get('captcha', '');
            if (!$this->captchaService->check($captcha, $captchaKey)) {
                throw new NotAllowedException('验证码不正确');
            }

            return res(true, '验证码正确', 201);
        }

        return res($this->captchaService->create($config, true), '获取验证码');
    }
}