<?php

/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2020/7/8
 * Time: 10:55
 */

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;

class ContractPosition extends Model
{
    //#合约持仓信息

    protected $primaryKey = 'id';
    protected $table = 'contract_position';
    protected $guarded = [];

    protected $attributes = [
        'margin_mode' => 1,
        'liquidation_price' => 0,
        'hold_position' => 0,
        'avail_position' => 0,
        'freeze_position' => 0,
        'position_margin' => 0,
    ];
    protected $casts = [
        'position_margin' => 'real',
        'avg_price' => 'real',
    ];

    public $appends = ['margin_mode_text'];

    public function getMarginModeTextAttribute()
    {
        $map = [1 => __('全仓')];
        return $map[$this->margin_mode];
    }

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id', 'user_id');
    }

    // 获取仓位信息
    public static function getPosition($params, $lockForUpdate = false)
    {
        $where = [
            'user_id' => $params['user_id'],
            'contract_id' => $params['contract_id'],
            'side' => $params['side'],
        ];
        $contract = ContractPair::query()->where('id', $params['contract_id'])->select('contract_coin_id', 'margin_coin_id', 'symbol', 'default_lever')->first();
        $data = [
            'margin_mode' => 1,
            'lever_rate' => $contract['default_lever'] ?? 10,
            'symbol' => $contract['symbol'],
            'contract_coin_id' => $contract['contract_coin_id'],
            'margin_coin_id' => $contract['margin_coin_id'],
        ];
        if (self::query()->where($where)->exists()) {
            if ($lockForUpdate) {

                $aa = self::query()->where($where)->lockForUpdate()->first();

                return $aa;

            }
            $bb = self::query()->where($where)->first();
            return $bb;

        } else {
            return self::query()->create(array_merge($where, $data));
        }

    }
}