<?php

namespace App\Module\Fund\Dto;

use App\Module\Fund\Enums\LOG_TYPE;

/**
 * 资金日志数据传输对象
 *
 * 用于在服务层返回资金日志信息，避免直接暴露模型对象
 */
class FundLogDto
{
    /**
     * @var int 日志ID
     */
    public int $id;

    /**
     * @var int 用户ID
     */
    public int $userId;

    /**
     * @var int 资金类型ID
     */
    public $fundId;

    /**
     * @var int 金额
     */
    public int $amount;

    /**
     * @var int 操作ID
     */
    public int $operateId;

    /**
     * @var int|LOG_TYPE 操作类型
     */
    public $operateType;

    /**
     * @var string 备注
     */
    public string $remark;

    /**
     * @var int 创建时间
     */
    public int $createTime;

    /**
     * @var string 创建IP
     */
    public string $createIp;

    /**
     * @var int 操作后余额
     */
    public int $laterBalance;

    /**
     * @var int 操作前余额
     */
    public int $beforeBalance;

    /**
     * @var string 日期键
     */
    public string $dateKey;

    /**
     * @var string 哈希值
     */
    public string $hash;

    /**
     * @var string 前一条记录的哈希值
     */
    public string $prevHash;

    /**
     * @var string|null 资金类型名称（可选）
     */
    public ?string $fundName = null;

    /**
     * @var string|null 操作类型名称（可选）
     */
    public ?string $operateTypeName = null;

    /**
     * 从模型创建DTO
     *
     * @param mixed $model 日志模型
     * @param array $fundNames 资金类型名称映射（可选）
     * @param array $operateTypeNames 操作类型名称映射（可选）
     * @return self
     */
    public static function fromModel($model, array $fundNames = [], array $operateTypeNames = []): self
    {
        $dto = new self();
        $dto->id = $model->id;
        $dto->userId = $model->user_id;
        $dto->fundId = $model->fund_id;
        $dto->amount = $model->amount;
        $dto->operateId = $model->operate_id;
        $dto->operateType = $model->operate_type;
        $dto->remark = $model->remark;
        $dto->createTime = $model->create_time;
        $dto->createIp = $model->create_ip;
        $dto->laterBalance = $model->later_balance;
        $dto->beforeBalance = $model->before_balance;
        $dto->dateKey = $model->date_key;
        $dto->hash = $model->hash;
        $dto->prevHash = $model->prev_hash;

        // 如果提供了资金类型名称映射，则设置资金类型名称
        if (!empty($fundNames) && isset($fundNames[$model->fund_id])) {
            $dto->fundName = $fundNames[$model->fund_id];
        }

        // 如果提供了操作类型名称映射，则设置操作类型名称
        if (!empty($operateTypeNames) && isset($operateTypeNames[$model->operate_type instanceof LOG_TYPE ? $model->operate_type->value : $model->operate_type])) {
            $dto->operateTypeName = $operateTypeNames[$model->operate_type instanceof LOG_TYPE ? $model->operate_type->value : $model->operate_type];
        }

        return $dto;
    }

    /**
     * 转换为数组
     *
     * @return array
     */
    public function toArray(): array
    {
        $result = [
            'id' => $this->id,
            'user_id' => $this->userId,
            'fund_id' => $this->fundId,
            'amount' => $this->amount,
            'operate_id' => $this->operateId,
            'operate_type' => $this->operateType instanceof LOG_TYPE ? $this->operateType->value : $this->operateType,
            'remark' => $this->remark,
            'create_time' => $this->createTime,
            'create_ip' => $this->createIp,
            'later_balance' => $this->laterBalance,
            'before_balance' => $this->beforeBalance,
            'date_key' => $this->dateKey,
            'hash' => $this->hash,
            'prev_hash' => $this->prevHash,
        ];

        if ($this->fundName !== null) {
            $result['fund_name'] = $this->fundName;
        }

        if ($this->operateTypeName !== null) {
            $result['operate_type_name'] = $this->operateTypeName;
        }

        return $result;
    }
}