<?php
namespace app\controller;

use app\BaseController;
use think\facade\Db;
use phpu\facade\ThinkCaptcha;
use Ramsey\Uuid\Uuid;
use think\captcha\facade\Captcha;

class User extends BaseController
{
    protected $noNeedLogin = ['login', 'loginV2', 'logout', 'register', 'getSystemAvatar', 'getRegisterCaptchaImage', 'getLoginCaptchaImage', 'checkUsernameExists'];
    
    //登录
    public function login()
    {
        $username = $this->request->post('username');   //用户名
        $password = $this->request->post('password');   //密码
        //$captcha = $this->request->post('captcha');     //图形验证码，如果输错了需要重新刷新验证码图片
        if (empty($username) || empty($password)) {
            $this->fail(500, '参数校验错误');
        }
       // if (!ThinkCaptcha::check($captcha, 'login', 0)) {
       //     $this->fail(501, '验证码错误');
       // }
        $data = Db::table('tb_user')
            ->where(['username' => $username])
            ->where(['password' => md5($password)])
            ->find();
        if (!$data) {
            $this->fail(502, '用户名或密码错误');
        }
        //检测是否激活
        if ($data['state'] == 0) {
            $this->fail(503, '账号未激活，请前往您的邮箱地址:' . $data['email'] . '，进行验证通过~');
        }
        //检测是否被封号
        if ($data['state'] == 2) {
            $this->fail(504, '您的账号已被封停~');
        }
        //更新登录信息
        Db::table('tb_user')
            ->where(['id' => $data['id']])
            ->update([
                'login_count'   => $data['login_count'] + 1,
                'last_login_ip' => $this->request->ip(),
                'last_login'    => time(),
            ]);
        //写登录日志
        Db::table('tb_user_login_log')
            ->insert([
                'user_id'    => $data['id'],
                'ip'         => $this->request->ip(),
                'user_agent' => $this->request->header('user-agent'),
                'created_at' => time(),
            ]);
        //写登录Token
        $token = Uuid::uuid4()->toString();
        Db::table('tb_user_token')
            ->insert([
                'user_id'    => $data['id'],
                'token'      => $token,
                'expired_at' => time() + 24 * 60 * 60,
            ]);
        $this->success('success', [
            'token' => $token
        ]);
    }
    
    
    //登录
    public function loginV2()
    {
        $username = $this->request->post('username');   //用户名
        $password = $this->request->post('password');   //密码
        //$captcha = $this->request->post('captcha');     //图形验证码，如果输错了需要重新刷新验证码图片
        if (empty($username) || empty($password)) {
            $this->fail(500, '参数校验错误');
        }
       // if (!ThinkCaptcha::check($captcha, 'login', 0)) {
       //     $this->fail(501, '验证码错误');
       // }
        $data = Db::table('tb_user')
            ->where(['username' => $username])
            ->where(['password' => md5($password)])
            ->find();
        if (!$data) {
            $this->fail(502, '用户名或密码错误');
        }
        //检测是否激活
        if ($data['state'] == 0) {
            $this->fail(503, '账号未激活，请前往您的邮箱地址:' . $data['email'] . '，进行验证通过~');
        }
        //检测是否被封号
        if ($data['state'] == 2) {
            $this->fail(504, '您的账号已被封停~');
        }
        //更新登录信息
        Db::table('tb_user')
            ->where(['id' => $data['id']])
            ->update([
                'login_count'   => $data['login_count'] + 1,
                'last_login_ip' => $this->request->ip(),
                'last_login'    => time(),
            ]);
        //写登录日志
        Db::table('tb_user_login_log')
            ->insert([
                'user_id'    => $data['id'],
                'ip'         => $this->request->ip(),
                'user_agent' => $this->request->header('user-agent'),
                'created_at' => time(),
            ]);
        //写登录Token
        $token = Uuid::uuid4()->toString();
        Db::table('tb_user_token')
            ->insert([
                'user_id'    => $data['id'],
                'token'      => $token,
                'expired_at' => time() + 24 * 60 * 60,
            ]);
        $this->success('success', [
            'token' => $token
        ]);
    }
    
    //退出登录
    public function logout()
    {
        $token = $this->request->post('token');
        if (empty($token)) {
            $this->fail(500, 'token参数校验错误');
        }
        Db::table('tb_user_token')
            ->where(['token' => $token])
            ->delete();
        $this->success('success', null);
    }
    
    //修改密码，修改成功后token会释放，需要转跳到登录页重新登录
    public function changePwd()
    {
        $oldPassword = $this->request->post('oldPassword');
        $newPassword = $this->request->post('newPassword');
        if (empty($oldPassword) || empty($newPassword)) {
            $this->fail(500, '参数校验错误');
        }
        $user = $this->getUser();
        $data = Db::table('tb_user')
            ->where(['id'       => $user->user_id])
            ->where(['password' => md5($oldPassword)])
            ->find();
        if (!$data) {
            $this->fail(501, '当前密码错误');
        }
        Db::table('tb_user')
            ->where(['id' => $user->user_id])
            ->update([
                'password' => md5($newPassword),
            ]);
        //释放token，Token会立马失效
        Db::table('tb_user_token')
            ->where(['token' => $user->token])
            ->delete();
        $this->success('success', null);
    }
    
    //获取系统自带头像
    public function getSystemAvatar()
    {
        $data = Db::table('tb_system_avatar')
            ->order('id ASC')
            ->select();
        $this->success('success', $data);
    }
    
    //获取注册验证码图片
    public function getRegisterCaptchaImage()
    {
        return ThinkCaptcha::printImg('register');
        //return Captcha::create('register');
    }
    
    
    //获取登录验证码图片
    public function getLoginCaptchaImage()
    {
        return ThinkCaptcha::printImg('login');
    }
    
    //检查用户名是否存在（被注册）
    public function checkUsernameExists()
    {
        $username = $this->request->post('username');
        if (empty($username)) {
            $this->fail('用户名不能为空');
        }
        $exists = true;
        $user = Db::table('tb_user')
            ->where(['username' => $username])
            ->find();
        if (!$user) {
            $exists = false;
        }
        $this->success('success', [
            'isUsernameExists' => $exists,
        ]);
    }
    
    //注册
    public function register()
    {
        $username = $this->request->post('username');   //用户名
        $password = $this->request->post('password');   //密码
        $avatar = $this->request->post('avatar');       //头像
        $email = $this->request->post('email');         //邮箱账号
        $captcha = $this->request->post('captcha');     //图形验证码，如果输错了需要重新刷新验证码图片
        
        if (empty($username) || empty($password) || !is_numeric($avatar) || empty($email)) {
            $this->fail(500, '参数校验错误');
        }
        // var_dump(Captcha::check($captcha, 'register'));
        // echo ThinkCaptcha::check($captcha, 'register', 0);
        // exit();
        // if (!ThinkCaptcha::check($captcha, 'register')) {
        //     $this->fail(501, '验证码错误');
        // }
        $user = Db::table('tb_user')
            ->where(['username' => $username])
            ->find();
        if ($user) {
            $this->fail(502, '用户名已经被注册');
        }
        //拦截邮箱是否被注册
        $emailUser = Db::table('tb_user')
            ->where(['email' => $email])
            ->find();
        if ($emailUser) {
            $this->fail(503, '邮箱账号已经被使用过了~');
        }
        Db::table('tb_user')
            ->insert([
                'username'          => $username,     //用户名
                'password'          => md5($password),  //密码
                'created_at'        => time(),  //创建时间
                'last_login'        => time(),  //上次登录时间
                'login_count'       => 0,   //登录次数
                'avatar'            => 'system://' . $avatar,   //头像URL
                'state'             => 1,  //状态 0:未激活   1:正常   2:封号
                'balance'           => 0,  //余额
                'email'             => $email,  //邮箱账号
                'is_email_verified' => 0,  //邮箱是否认证  0:未认证  1:已认证
                'score'             => 0,  //积分数量
                'gold'              => 0,  //金币数量
                'exp'               => 0,  //经验值
            ]);
        $this->success('success', null);
    }
    
    //取用户信息
    public function getUserInfo()
    {
        $user = Db::table('tb_user')
            ->where(['id' => $this->getUser()->user_id])
            ->find();
        //解析获取头像url
        if (str_starts_with($user['avatar'], 'system://')) {
            $data = explode('//', $user['avatar']);
            $avatarId = intval($data[1]);
            $avatar = Db::table('tb_system_avatar')
                ->where(['id' => $avatarId])
                ->find();
            $user['avatar'] = $avatar['image_url'];
        }
        unset($user['password']);
        $this->success('success', $user);
    }
    
    //上传头像
    public function uploadAvatar()
    {
        $file = $this->request->file('file');
        if (empty($file)) {
            $this->fail(500, '上传的图片文件不能为空');
        }
        // 使用验证器验证上传的文件
        validate(['file' => [
            // 限制文件大小(单位b)，这里限制为2M
            'fileSize' => 2 * 1024 * 1024,
            // 限制文件后缀，多个后缀以英文逗号分割
            'fileExt'  => 'jpg,jpeg,png',
        ]])->check(['file' => $file]);
        $saveName = \think\facade\Filesystem::disk('public')->putFile('avatar', $file);
        Db::table('tb_user')
            ->where(['id' => $this->getUser()->user_id])
            ->update([
                'avatar' => $this->request->scheme() . '://' . $this->request->host() . '/storage/' . $saveName,
            ]);
        $this->success('success', [
            'filePath' => $this->request->scheme() . '://' . $this->request->host() . '/storage/' . $saveName,
        ]);
    }
    
}