<?php

namespace App\Module\Mex\Models;

use App\Module\Mex\Enums\OrderStatus;
use App\Module\Mex\Enums\OrderType;
use App\Module\Fund\Enums\FUND_CURRENCY_TYPE;
use App\Module\GameItems\Models\Item;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use UCore\ModelCore;

/**
 * 农贸市场订单模型
 * field start 
 * @property  int  $id  订单ID，主键
 * @property  int  $user_id  用户ID
 * @property  int  $item_id  商品ID，关联物品表
 * @property  \App\Module\Fund\Enums\FUND_CURRENCY_TYPE  $currency_type  币种类型，关联FUND_CURRENCY_TYPE枚举，默认2为钻石
 * @property  \App\Module\Mex\Enums\OrderType  $order_type  订单类型：BUY买入，SELL卖出
 * @property  int  $quantity  订单数量
 * @property  float  $price  订单价格，支持5位小数
 * @property  float  $total_amount  订单总金额
 * @property  \App\Module\Mex\Enums\OrderStatus  $status  订单状态：PENDING等待，COMPLETED完成，CANCELLED取消，FAILED失败
 * @property  float  $frozen_amount  冻结金额（买单使用）
 * @property  int  $completed_quantity  已成交数量
 * @property  float  $completed_amount  已成交金额
 * @property  \Carbon\Carbon  $created_at  创建时间
 * @property  \Carbon\Carbon  $updated_at  更新时间
 * @property  \Carbon\Carbon  $completed_at  完成时间
 * @property  string  $failed_reason  失败原因
 * @property  string  $last_match_failure_reason  最后无法成交原因，记录撮合过程中无法成交的具体原因
 * field end
 */
class MexOrder extends ModelCore
{
    protected $table = 'mex_orders';

    // attrlist start 
    protected $fillable = [
        'id',
        'user_id',
        'item_id',
        'currency_type',
        'order_type',
        'quantity',
        'price',
        'total_amount',
        'status',
        'frozen_amount',
        'completed_quantity',
        'completed_amount',
        'completed_at',
        'failed_reason',
        'last_match_failure_reason',
    ];
    // attrlist end

    protected $casts = [
        'user_id' => 'integer',
        'item_id' => 'integer',
        'currency_type' => FUND_CURRENCY_TYPE::class,
        'order_type' => OrderType::class,
        'quantity' => 'integer',
        'price' => 'decimal:5',
        'total_amount' => 'decimal:5',
        'status' => OrderStatus::class,
        'frozen_amount' => 'decimal:5',
        'completed_quantity' => 'integer',
        'completed_amount' => 'decimal:5',
        'completed_at' => 'datetime',
    ];

    /**
     * 获取关联的商品信息
     *
     * @return BelongsTo
     */
    public function item(): BelongsTo
    {
        return $this->belongsTo(Item::class, 'item_id');
    }

    /**
     * 获取作为买单的成交记录
     *
     * @return HasMany
     */
    public function buyTransactions(): HasMany
    {
        return $this->hasMany(MexTransaction::class, 'buy_order_id');
    }

    /**
     * 获取作为卖单的成交记录
     *
     * @return HasMany
     */
    public function sellTransactions(): HasMany
    {
        return $this->hasMany(MexTransaction::class, 'sell_order_id');
    }
}