<?php

namespace App\Module\Game\Dtos;

/**
 * 奖励组DTO
 */
class RewardGroupDto
{
    /**
     * 奖励组ID
     *
     * @var int
     */
    public int $id;

    /**
     * 奖励组名称
     *
     * @var string
     */
    public string $name;

    /**
     * 奖励组编码
     *
     * @var string
     */
    public string $code;

    /**
     * 奖励组描述
     *
     * @var string|null
     */
    public ?string $description;

    /**
     * 是否随机发放
     *
     * @var bool
     */
    public bool $isRandom;

    /**
     * 随机发放时的奖励数量
     *
     * @var int
     */
    public int $randomCount;

    /**
     * 奖励模式（1:权重选择模式, 2:独立概率模式）
     *
     * @var int
     */
    public int $rewardMode;

    /**
     * 奖励项列表
     *
     * @var RewardItemDto[]
     */
    public array $items = [];

    /**
     * 从模型创建DTO
     *
     * @param \App\Module\Game\Models\GameRewardGroup $model
     * @param bool $withItems 是否包含奖励项
     * @return self
     */
    public static function fromModel($model, bool $withItems = false): self
    {
        $dto = new self();
        $dto->id = $model->id;
        $dto->name = $model->name;
        $dto->code = $model->code;
        $dto->description = $model->description;
        $dto->isRandom = (bool)$model->is_random;
        $dto->randomCount = $model->random_count;
        $dto->rewardMode = $model->reward_mode ?? 1; // 默认为权重选择模式

        if ($withItems && $model->relationLoaded('rewardItems')) {
            foreach ($model->rewardItems as $item) {
                $dto->items[] = RewardItemDto::fromModel($item);
            }
        }

        return $dto;
    }
}