<?php

namespace App\Models;

use Option;
use Utils;

class User
{
    public  $uid            = "";
    public  $email          = "";

    private $password       = "";
    private $token          = "";

    private $storage_used   = null;

    /**
     * Instance of App\Services\Cipher\{cipher}
     * @var null
     */
    private $cipher         = null;

    /**
     * Instance of App\Models\UserModel
     * @var null
     */
    private $model          = null;

    /**
     * Instance of App\Models\Closet
     * @var null
     */
    public $closet          = null;

    public $is_registered   = false;
    public $is_admin        = false;

    /**
     * Pass uid or an array to instantiate a user
     *
     * $info = [
     *   'username' => 'foo',
     *   'email'    => 'foo@bar.com'
     * ];
     *
     * @param int   $uid
     * @param array $info
     */
    public function __construct($uid, Array $info = [])
    {
        // Construct user with uid|email|player_name
        if ($uid !== null) {
            $this->uid          = $uid;
            $this->model        = UserModel::find($uid);
        } else {
            if (isset($info['email'])) {
                $this->email    = Utils::convertString($info['email']);
                $this->model    = UserModel::where('email', $this->email)->first();
            } elseif (isset($info['username'])) {
                $player         = PlayerModel::where('player_name', $info['username'])->first();
                $this->uid      = $player ? $player['uid'] : 0;
                $this->model    = UserModel::find($this->uid);
            } else {
                throw new \InvalidArgumentException('Invalid arguments');
            }
        }

        $class_name              = "App\Services\Cipher\\".$_ENV['PWD_METHOD'];
        $this->cipher            = new $class_name;

        if (!is_null($this->model)) {
            $this->is_registered = true;
            $this->uid           = $this->model->uid;
            $this->email         = $this->model->email;
            $this->password      = $this->model->password;
            $this->token         = md5($this->email . $this->password . $_ENV['SALT']);
            $this->closet        = new Closet($this->uid);
            $this->is_admin      = $this->model->permission == 1 || $this->model->permission == 2;
        }
    }

    public function checkPasswd($raw_passwd)
    {
        return ($this->cipher->encrypt($raw_passwd, $_ENV['SALT']) == $this->password);
    }

    public function changePasswd($new_passwd)
    {
        $this->model->password = $this->cipher->encrypt($new_passwd, $_ENV['SALT']);
        return $this->model->save();
    }

    public function getPermission()
    {
        return $this->model->permission;
    }

    /**
     * Set user permission
     * @param int $permission
     * -1 - banned
     *  0 - normal
     *  1 - admin
     *  2 - super admin
     */
    public function setPermission($permission)
    {
        return $this->model->update(['permission' => $permission]);
    }

    public function setEmail($new_email)
    {
        $this->model->email = $new_email;
        return $this->model->save();
    }

    public function getNickName()
    {
        if (!$this->is_registered) {
            return "不存在的用户";
        } else {
            return ($this->model->nickname == "") ? $this->email : $this->model->nickname;
        }
    }

    public function setNickName($new_nickname)
    {
        $this->model->nickname = $new_nickname;
        return $this->model->save();
    }

    public function getToken()
    {
        if ($this->token === "")
            $this->token = md5($this->model->email . $this->model->password . $_ENV['SALT']);
        return $this->token;
    }

    public function getScore()
    {
        return $this->model->score;
    }

    public function setScore($score, $mode = "set")
    {
        switch ($mode) {
            case 'set':
                $this->model->score = $score;
                break;

            case 'plus':
                $this->model->score += $score;
                break;

            case 'minus':
                $this->model->score -= $score;
                break;
        }
        return $this->model->save();
    }

    public function getStorageUsed()
    {
        if (is_null($this->storage_used)) {
            $this->storage_used = 0;
            // recalculate

            foreach (Texture::where('uploader', $this->uid)->get() as $t) {
                $this->storage_used += $t->size;
            }
        }

        return $this->storage_used;
    }

    public function sign()
    {
        if ($this->canSign()) {
            $sign_score = explode(',', Option::get('sign_score'));
            $aquired_score = rand($sign_score[0], $sign_score[1]);
            $this->setScore($aquired_score, 'plus');
            $this->model->last_sign_at = Utils::getTimeFormatted();
            $this->model->save();
            return $aquired_score;
        } else {
            return false;
        }
    }

    public function canSign($return_remaining_time = false)
    {
        // convert to timestamp
        $last_sign_timestamp     = strtotime($this->getLastSignTime());
        $zero_timestamp_today    = strtotime(date('Y-m-d',time()));
        $zero_timestamp_tomorrow = strtotime(date('Y-m-d',strtotime('+1 day')));

        if (Option::get('sign_after_zero')) {
            $remaining_time = ($zero_timestamp_tomorrow - $last_sign_timestamp) / 3600;
            return $return_remaining_time ? round($remaining_time) : ($last_sign_timestamp <= $zero_timestamp_today);
        } else {
            $remaining_time = ($last_sign_timestamp + Option::get('sign_gap_time') * 3600 - time()) / 3600;
            return $return_remaining_time ? round($remaining_time) : ($remaining_time <= 0);
        }
    }

    public function getLastSignTime()
    {
        return $this->model->last_sign_at;
    }

    /**
     * Register a new user
     * @param  string $password
     * @param  string $ip
     * @return object, instance of App\Models\User
     */
    public function register($password, $ip)
    {
        $user = new UserModel();

        $user->email        = $this->email;
        $user->password     = $this->cipher->encrypt($password, $_ENV['SALT']);
        $user->ip           = $ip;
        $user->score        = Option::get('user_initial_score');
        $user->register_at  = Utils::getTimeFormatted();
        $user->last_sign_at = Utils::getTimeFormatted(time() - 86400);
        $user->permission   = 0;
        $user->save();

        $closet             = new ClosetModel();
        $closet->uid        = $user->uid;
        $closet->textures   = "";
        $closet->save();

        $this->model = $user;
        return $this;
    }

    public function getPlayers()
    {
        return PlayerModel::where('uid', $this->uid)->get();
    }

    /**
     * Get avatar that generate from skin of user
     *
     * @param  int    $size  [description]
     * @param  string $model, steve|alex
     * @return null
     */
    public function getAvatar($size)
    {
        // output image directly
        if (!is_null($this->model) && $this->getAvatarId()) {
            $png = \Minecraft::generateAvatarFromSkin(BASE_DIR."/textures/".Texture::find($this->getAvatarId())->hash, $size);
            header('Content-Type: image/png');
            imagepng($png);
            imagedestroy($png);
        } else {
            // Default Steve Skin: https://minecraft.net/images/steve.png
            $skin_steve  = "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";
            $png = \Minecraft::generateAvatarFromSkin($skin_steve, $size, 'f', true);
            header('Content-Type: image/png');
            imagepng($png);
            imagedestroy($png);
        }
    }

    public function getAvatarId()
    {
        return $this->model->avatar;
    }

    public function setAvatar($tid)
    {
        $this->model->avatar = $tid;
        return $this->model->save();
    }

    public function delete()
    {
        PlayerModel::where('uid', $this->uid)->delete();
        ClosetModel::where('uid', $this->uid)->delete();
        return $this->model->delete();
    }

}

class UserModel extends \Illuminate\Database\Eloquent\Model
{
    public $primaryKey = 'uid';
    protected $table = 'users';
    public $timestamps = false;

    protected $fillable = ['email', 'nickname', 'permission'];

    public function scopeLike($query, $field, $value)
    {
        return $query->where($field, 'LIKE', "%$value%");
    }
}