<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\model\Users;
use think\captcha\Captcha;
use think\Request;

/**
 * 验证接口
 */
class Validate extends Api
{
    protected $noNeedLogin = '*';
    protected $layout = '';
    protected $error = null;

    public function _initialize()
    {
        parent::_initialize();
    }

    /**
     * 获取验证码
     *
     * @ApiMethod (POST)
     * @param string $email 邮箱
     * @param string $id    排除会员ID
     */
    public function get_captcha()
    {

        $captcha = new Captcha(['codeSet' => '0123456789', 'length' => 4]);
        $id = uniqid();
        return $captcha->entry();

//        $id = uniqid();
//        $src = $_SERVER['REQUEST_SCHEME'].'://'.$this->request->host() . captcha_src($id);
//        ob_clean();    //清除缓冲区，防止出现“图像因其本身有错无法显示'的问题
//        $type = getimagesize($src)['mime'];  //获取图片类型
//        header("Content-Type:{$type}");
//        $imgData = file_get_contents($src); //获取图片二进制流
//        $base64String = 'data:' . $type . ';base64,' . base64_encode($imgData);
//        $this->success('', ['id' => $id, 'img' => $base64String]);
//
//        $this->success('请求成功',$base64String);
//
//
//        return Captcha_src(); // png图片

        // 获取验证码的图片内容
        $image = $captcha->entry();

        // 转换为Base64
        $base64Image = $this->imageToBase64($image);

        dump($base64Image);
        $this->success('', ['id' => $id, 'img' => $captcha->entry($id)]);
        return $captcha->entry($id);
        //return captcha_src();
    }

    protected function imageToBase64($image)
    {
        // 确保已经安装GD库或者Imagick扩展
        if (!function_exists('imagepng') && !function_exists('imagejpeg')) {
            throw new \Exception('Need to install GD library or ImageMagick extension');
        }

        ob_start();
        // 输出图片到输出缓冲区
        imagepng($image) || imagejpeg($image);
        $imageContent = ob_get_contents();
        ob_end_clean();

        // 将图片内容转为Base64
        $base64Image = 'data:image/png;base64,' . base64_encode($imageContent);

        // 释放图片资源
        imagedestroy($image);

        return $base64Image;
    }

    /**
     * 检测邮箱
     *
     * @ApiMethod (POST)
     * @param string $email 邮箱
     * @param string $id    排除会员ID
     */
    public function check_email_available()
    {
        $email = $this->request->post('email');
        $id = (int)$this->request->post('id');
        $count = Users::where('email', '=', $email)->where('id', '<>', $id)->count();
        if ($count > 0) {
            $this->error(__('邮箱已经被占用'));
        }
        $this->success();
    }

    /**
     * 检测用户名
     *
     * @ApiMethod (POST)
     * @param string $username 用户名
     * @param string $id       排除会员ID
     */
    public function check_username_available()
    {
        $username = $this->request->post('username');
        $id = (int)$this->request->post('id');
        $count = Users::where('username', '=', $username)->where('id', '<>', $id)->count();
        if ($count > 0) {
            $this->error(__('用户名已经被占用'));
        }
        $this->success();
    }

    /**
     * 检测昵称
     *
     * @ApiMethod (POST)
     * @param string $nickname 昵称
     * @param string $id       排除会员ID
     */
    public function check_nickname_available()
    {
        $nickname = $this->request->post('nickname');
        $id = (int)$this->request->post('id');
        $count = Users::where('nickname', '=', $nickname)->where('id', '<>', $id)->count();
        if ($count > 0) {
            $this->error(__('昵称已经被占用'));
        }
        $this->success();
    }

    /**
     * 检测手机
     *
     * @ApiMethod (POST)
     * @param string $mobile 手机号
     * @param string $id     排除会员ID
     */
    public function check_mobile_available()
    {
        $mobile = $this->request->post('mobile');
        $id = (int)$this->request->post('id');
        $count = Users::where('mobile', '=', $mobile)->where('id', '<>', $id)->count();
        if ($count > 0) {
            $this->error(__('该手机号已经占用'));
        }
        $this->success();
    }

    /**
     * 检测手机
     *
     * @ApiMethod (POST)
     * @param string $mobile 手机号
     */
    public function check_mobile_exist()
    {
        $mobile = $this->request->post('mobile');
        $count = Users::where('mobile', '=', $mobile)->count();
        if (!$count) {
            $this->error(__('手机号不存在'));
        }
        $this->success();
    }

    /**
     * 检测邮箱
     *
     * @ApiMethod (POST)
     * @param string $mobile 邮箱
     */
    public function check_email_exist()
    {
        $email = $this->request->post('email');
        $count = Users::where('email', '=', $email)->count();
        if (!$count) {
            $this->error(__('邮箱不存在'));
        }
        $this->success();
    }

    /**
     * 检测手机验证码
     *
     * @ApiMethod (POST)
     * @param string $mobile  手机号
     * @param string $captcha 验证码
     * @param string $event   事件
     */
    public function check_sms_correct()
    {
        $mobile = $this->request->post('mobile');
        $captcha = $this->request->post('captcha');
        $event = $this->request->post('event');
        if (!\app\common\library\Sms::check($mobile, $captcha, $event)) {
            $this->error(__('验证码不正确'));
        }
        $this->success();
    }

    /**
     * 检测邮箱验证码
     *
     * @ApiMethod (POST)
     * @param string $email   邮箱
     * @param string $captcha 验证码
     * @param string $event   事件
     */
    public function check_ems_correct()
    {
        $email = $this->request->post('email');
        $captcha = $this->request->post('captcha');
        $event = $this->request->post('event');
        if (!\app\common\library\Ems::check($email, $captcha, $event)) {
            $this->error(__('验证码不正确'));
        }
        $this->success();
    }
}