<?php

namespace app\flow\nodes;

use app\flow\DbOperationType;
use app\flow\ProcessContext;
use app\flow\VoiceMessage;

/**
 * 机洗节点
 * 处理机器清洗步骤，可插入到手工流程中
 */
class MachineWashNode extends AbstractProcessNode
{
    /**
     * 获取节点名称
     */
    public static function getName(): string
    {
        return '机洗';
    }

    /**
     * 获取节点编码
     */
    public function getCode(): string
    {
        return '机洗';
    }

    /**
     * 判断当前节点是否能处理该步骤
     */
    public function canHandle(ProcessContext $context): bool
    {
        // 如果内镜未取出
        if ($context->isInStorage) {
            $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_STORAGE_OUT;
            return false;
        }

        if (!$this->isMatchReaderType($context)) {
            if ($context->currentStep === WashNode::getName()) {
                $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_MACHINE_WASH;
            }
            return false;
        }

        // 需要晨洗但未完成：提示先进行晨洗
        if ($context->needMorningWash && !$context->morningWashed) {
            $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_MORNING_WASH;
            return false;
        }

        // 机洗可以在多个步骤后执行：空步骤（新流程）、结束、内镜取出、清洗,晨洗
        if (!$this->isRequiredNode($context->currentStep, ['', '结束', '内镜取出', '清洗', MachineWashNode::getName()])) {
            if ($context->currentStep === EndNode::getName()) $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_MACHINE_WASH;
            else $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_END;
            return false;
        }

        return true;
    }

    /**
     * 具体处理逻辑
     */
    protected function doHandle(ProcessContext $context): ProcessContext
    {
        // 设置流程类型为机洗
        $context->processType = '机洗';

        // 更新步骤
        $context->currentStep = '机洗';


        $context->needDatabaseOperation = true;
        $context->dbOperation = DbOperationType::INSERT;
        $context->needWebSocketNotify = true;

        // 更新批次为机洗，
        $context->processType = '机洗';
        $context->dbOperation = DbOperationType::UPDATE;

        return $context;
    }
}