<?php

namespace App\Module\Transfer\Dtos;

use UCore\Dto\BaseDto;

/**
 * 划转手续费计算结果数据传输对象
 *
 * 用于表示手续费计算的结果，包含手续费率、手续费金额、实际到账金额等信息
 */
class TransferFeeDto extends BaseDto
{

    /**
     * 构造函数
     *
     * @param float $feeRate 手续费率（小数形式，如 0.01 表示 1%）
     * @param string $feeAmount 手续费金额（字符串格式，保持精度）
     * @param string $actualAmount 实际到账金额（字符串格式，保持精度）,本金
     * @param string $totleAmount 总需金额（字符串格式，保持精度）
     * @param string $originalAmount 原始金额（字符串格式，保持精度）,外部金额
     * @param bool $hasError 是否有错误
     * @param string|null $errorMessage 错误信息
     * @param array $additionalInfo 额外信息
     */
    public function __construct(
        public readonly float   $feeRate,
        public readonly string  $feeAmount,
        public readonly string  $actualAmount,
        public readonly string  $totleAmount,
        public readonly string  $originalAmount,
        public readonly bool    $hasError = false,
        public readonly ?string $errorMessage = null,
        public readonly array   $additionalInfo = []
    )
    {
    }

    /**
     * 创建成功的手续费计算结果
     *
     * @param string $originalAmount 原始金额
     * @param float $feeRate 手续费率
     * @param string $feeAmount 手续费金额
     * @param string $actualAmount 实际到账金额
     * @param string $totleAmount 总支付金额
     * @param array $additionalInfo 额外信息
     * @return self
     */
    public static function success(
        string $originalAmount,
        float  $feeRate,
        string $feeAmount,
        string $actualAmount,
        string $totleAmount,
        array  $additionalInfo = []
    ): self
    {
        return new self(
            feeRate:        $feeRate,
            feeAmount:      $feeAmount,
            actualAmount:   $actualAmount,
            originalAmount: $originalAmount,
            totleAmount:    $totleAmount,
            hasError:       false,
            errorMessage:   null,
            additionalInfo: $additionalInfo
        );
    }

    /**
     * 创建错误的手续费计算结果
     *
     * @param string $originalAmount 原始金额
     * @param string $errorMessage 错误信息
     * @param array $additionalInfo 额外信息
     * @return self
     */
    public static function error(
        string $originalAmount,
        string $errorMessage,
        array  $additionalInfo = []
    ): self
    {
        return new self(
            feeRate:        0.0000,
            feeAmount:      '0.0000',
            actualAmount:   $originalAmount,
            originalAmount: $originalAmount,
            totleAmount:    0,
            hasError:       true,
            errorMessage:   $errorMessage,
            additionalInfo: $additionalInfo
        );
    }


    /**
     * 转换为数组
     *
     * @return array
     */
    public function toArray(): array
    {
        $result = [
            'fee_rate'        => $this->feeRate,
            'fee_amount'      => $this->feeAmount,
            'actual_amount'   => $this->actualAmount,
            'original_amount' => $this->originalAmount,
            'has_error'       => $this->hasError,
        ];


        $result['error'] = $this->errorMessage;


        $result['additionalInfo'] = $this->additionalInfo;

        return $result;
    }


    /**
     * 判断是否计算成功
     *
     * @return bool
     */
    public function isSuccess(): bool
    {
        return !$this->hasError;
    }


}