<?php

namespace App\Module\Point\Models;

use App\Module\Point\Enums\POINT_TYPE;
use App\Module\Point\Enums\EXTERNAL_STATUS;
use UCore\ModelCore;

/**
 * 积分订单表
 *
 * 记录积分相关的订单信息，如积分兑换、积分消费等
 * 专注于整数积分处理，不涉及小数运算
 *
 * field start 
 * @property  int  $id  自增
 * @property  string  $order_no  订单号
 * @property  int  $user_id  用户ID
 * @property  \App\Module\Point\Enums\POINT_TYPE  $point_id  积分类型ID
 * @property  int  $amount  积分数量
 * @property  string  $order_type  订单类型
 * @property  string  $title  订单标题
 * @property  string  $description  订单描述
 * @property  \App\Module\Point\Enums\EXTERNAL_STATUS  $status  订单状态
 * @property  array  $extra_data  额外数据（JSON格式）
 * @property  int  $create_time  创建时间
 * @property  int  $update_time  更新时间
 * field end
 */
class PointOrderModel extends ModelCore
{
    protected $table = 'point_order';

    // attrlist start 
    protected $fillable = [
        'id',
        'order_no',
        'user_id',
        'point_id',
        'amount',
        'order_type',
        'title',
        'description',
        'status',
        'extra_data',
        'create_time',
        'update_time',
    ];
    // attrlist end

    public $timestamps = false;

    protected $casts = [
        'point_id' => POINT_TYPE::class,
        'status' => EXTERNAL_STATUS::class,
        'extra_data' => 'array',
    ];

    // 订单类型常量
    const TYPE_EXCHANGE = 'exchange';     // 积分兑换
    const TYPE_CONSUME = 'consume';       // 积分消费
    const TYPE_REWARD = 'reward';         // 积分奖励
    const TYPE_REFUND = 'refund';         // 积分退款

    /**
     * 创建积分订单
     *
     * @param int $userId 用户ID
     * @param int $pointId 积分类型ID
     * @param int $amount 积分数量
     * @param string $orderType 订单类型
     * @param string $title 订单标题
     * @param string $description 订单描述
     * @param array $extraData 额外数据
     * @return PointOrderModel|false 成功返回模型，失败返回false
     */
    public static function createOrder(
        int $userId,
        int $pointId,
        int $amount,
        string $orderType,
        string $title,
        string $description = '',
        array $extraData = []
    ) {
        $order = new self();
        $order->order_no = self::generateOrderNo();
        $order->user_id = $userId;
        $order->point_id = $pointId;
        $order->amount = $amount;
        $order->order_type = $orderType;
        $order->title = $title;
        $order->description = $description;
        $order->status = EXTERNAL_STATUS::PENDING;
        $order->extra_data = $extraData;
        $order->create_time = time();
        $order->update_time = time();

        if ($order->save()) {
            return $order;
        }

        return false;
    }

    /**
     * 生成订单号
     *
     * @return string 订单号
     */
    private static function generateOrderNo(): string
    {
        return 'PO' . date('YmdHis') . mt_rand(1000, 9999);
    }

    /**
     * 根据订单号获取订单
     *
     * @param string $orderNo 订单号
     * @return PointOrderModel|null 订单模型
     */
    public static function getByOrderNo(string $orderNo): ?PointOrderModel
    {
        return self::where('order_no', $orderNo)->first();
    }

    /**
     * 更新订单状态
     *
     * @param EXTERNAL_STATUS $status 状态
     * @return bool 是否成功
     */
    public function updateStatus(EXTERNAL_STATUS $status): bool
    {
        $this->status = $status;
        $this->update_time = time();
        return $this->save();
    }

    /**
     * 标记为已完成
     *
     * @return bool 是否成功
     */
    public function markCompleted(): bool
    {
        return $this->updateStatus(EXTERNAL_STATUS::COMPLETED);
    }

    /**
     * 标记为已失败
     *
     * @return bool 是否成功
     */
    public function markFailed(): bool
    {
        return $this->updateStatus(EXTERNAL_STATUS::FAILED);
    }

    /**
     * 标记为已取消
     *
     * @return bool 是否成功
     */
    public function markCancelled(): bool
    {
        return $this->updateStatus(EXTERNAL_STATUS::CANCELLED);
    }

    /**
     * 获取用户订单
     *
     * @param int $userId 用户ID
     * @param int $limit 限制数量
     * @return \Illuminate\Database\Eloquent\Collection 订单集合
     */
    public static function getUserOrders(int $userId, int $limit = 50)
    {
        return self::where('user_id', $userId)
            ->orderBy('create_time', 'desc')
            ->limit($limit)
            ->get();
    }

    /**
     * 获取指定类型的订单
     *
     * @param int $userId 用户ID
     * @param string $orderType 订单类型
     * @param int $limit 限制数量
     * @return \Illuminate\Database\Eloquent\Collection 订单集合
     */
    public static function getUserOrdersByType(int $userId, string $orderType, int $limit = 50)
    {
        return self::where('user_id', $userId)
            ->where('order_type', $orderType)
            ->orderBy('create_time', 'desc')
            ->limit($limit)
            ->get();
    }

    /**
     * 获取订单类型名称
     *
     * @return string 订单类型名称
     */
    public function getOrderTypeName(): string
    {
        return match($this->order_type) {
            self::TYPE_EXCHANGE => '积分兑换',
            self::TYPE_CONSUME => '积分消费',
            self::TYPE_REWARD => '积分奖励',
            self::TYPE_REFUND => '积分退款',
            default => '未知类型',
        };
    }

    /**
     * 获取状态名称
     *
     * @return string 状态名称
     */
    public function getStatusName(): string
    {
        return $this->status->getStatusName();
    }

    /**
     * 判断是否为最终状态
     *
     * @return bool 是否为最终状态
     */
    public function isFinalStatus(): bool
    {
        return $this->status->isFinalStatus();
    }

    /**
     * 获取积分类型名称
     *
     * @return string 积分类型名称
     */
    public function getPointTypeName(): string
    {
        return $this->point_id->getTypeName();
    }

    /**
     * 判断是否为积分支出订单
     *
     * @return bool 是否为支出订单
     */
    public function isExpenseOrder(): bool
    {
        return in_array($this->order_type, [self::TYPE_EXCHANGE, self::TYPE_CONSUME]);
    }

    /**
     * 判断是否为积分收入订单
     *
     * @return bool 是否为收入订单
     */
    public function isIncomeOrder(): bool
    {
        return in_array($this->order_type, [self::TYPE_REWARD, self::TYPE_REFUND]);
    }
}