<?php

namespace App\Module\GameItems\Dtos;

use App\Module\GameItems\Enums\ITEM_TYPE;
use App\Module\GameItems\Models\Item;
use UCore\Dto\BaseDto;

/**
 * 物品数据传输对象
 * 
 * 用于在服务层和控制器层之间传递物品数据，避免直接暴露模型
 */
class ItemDto extends BaseDto
{
    /**
     * 物品ID
     *
     * @var int
     */
    public int $id;

    /**
     * 物品名称
     *
     * @var string
     */
    public string $name;

    /**
     * 物品描述
     *
     * @var string|null
     */
    public ?string $description;

    /**
     * 物品分类ID
     *
     * @var int
     */
    public int $categoryId;

    /**
     * 物品分类名称
     *
     * @var string|null
     */
    public ?string $categoryName;

    /**
     * 物品类型
     *
     * @var int
     */
    public int $type;

    /**
     * 物品类型名称
     *
     * @var string
     */
    public string $typeName;

    /**
     * 是否是单独属性物品
     *
     * @var bool
     */
    public bool $isUnique;

    /**
     * 最大堆叠数量
     *
     * @var int
     */
    public int $maxStack;

    /**
     * 出售价格
     *
     * @var int
     */
    public int $sellPrice;

    /**
     * 是否可交易
     *
     * @var bool
     */
    public bool $tradable;

    /**
     * 是否可分解
     *
     * @var bool
     */
    public bool $dismantlable;

    /**
     * 默认过期时间（秒）
     *
     * @var int
     */
    public int $defaultExpireSeconds;

    /**
     * 展示属性
     *
     * @var array
     */
    public array $displayAttributes;

    /**
     * 数值属性
     *
     * @var array
     */
    public array $numericAttributes;

    /**
     * 全局过期时间
     *
     * @var string|null
     */
    public ?string $globalExpireAt;

    /**
     * 创建时间
     *
     * @var string
     */
    public string $createdAt;

    /**
     * 更新时间
     *
     * @var string
     */
    public string $updatedAt;

    /**
     * 从模型创建DTO
     *
     * @param Item $item 物品模型
     * @return self
     */
    public static function fromModel(Item $item): self
    {
        $dto = new self();
        $dto->id = $item->id;
        $dto->name = $item->name;
        $dto->description = $item->description;
        $dto->categoryId = $item->category_id;
        $dto->categoryName = $item->category->name ?? null;
        $dto->type = $item->type->value;
        $dto->typeName = ITEM_TYPE::getName($item->type->value);
        $dto->isUnique = $item->is_unique;
        $dto->maxStack = $item->max_stack;
        $dto->sellPrice = $item->sell_price;
        $dto->tradable = $item->tradable;
        $dto->dismantlable = $item->dismantlable;
        $dto->defaultExpireSeconds = $item->default_expire_seconds;
        $dto->displayAttributes = (array)$item->display_attributes;
        $dto->numericAttributes = (array)$item->numeric_attributes;
        $dto->globalExpireAt = $item->global_expire_at ? $item->global_expire_at->format('Y-m-d H:i:s') : null;
        $dto->createdAt = $item->created_at->format('Y-m-d H:i:s');
        $dto->updatedAt = $item->updated_at->format('Y-m-d H:i:s');
        
        return $dto;
    }

    /**
     * 转换为数组
     *
     * @return array
     */
    public function toArray(): array
    {
        return [
            'id' => $this->id,
            'name' => $this->name,
            'description' => $this->description,
            'category_id' => $this->categoryId,
            'category_name' => $this->categoryName,
            'type' => $this->type,
            'type_name' => $this->typeName,
            'is_unique' => $this->isUnique,
            'max_stack' => $this->maxStack,
            'sell_price' => $this->sellPrice,
            'tradable' => $this->tradable,
            'dismantlable' => $this->dismantlable,
            'default_expire_seconds' => $this->defaultExpireSeconds,
            'display_attributes' => $this->displayAttributes,
            'numeric_attributes' => $this->numericAttributes,
            'global_expire_at' => $this->globalExpireAt,
            'created_at' => $this->createdAt,
            'updated_at' => $this->updatedAt,
        ];
    }
}