package top.haijunit.train.service;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpStatus;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import top.haijunit.common.exception.ServiceException;
import top.haijunit.train.device.entity.DeviceEntity;
import top.haijunit.train.device.repository.DeviceRepository;
import top.haijunit.train.socket.CommandEnum;
import top.haijunit.train.socket.SocketDevice;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

/**
 * @author zhanghaijun
 * @date 2023/11/27 17:11
 * @description [一句话描述该类的功能]
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class DeviceService {

    private final DeviceRepository deviceRepository;

    public DeviceEntity updateDevice(String msgStr) {
        JSONObject message = JSONUtil.parseObj(msgStr);
        if (!message.containsKey("cmd")) {
            throw new ServiceException(500, String.format("cmd指令解析失败，message：%s", msgStr));
        }
        CommandEnum commandEnum = CommandEnum.getByCode(Convert.toInt(message.get("cmd"), 0));
        if (null != commandEnum && null != commandEnum.getClassType()) {
            try {
                JSONObject data = JSONUtil.parseObj(message.get("data"));
                SocketDevice.DeviceBase deviceBase = commandEnum.getClassType().getDeclaredConstructor().newInstance();

                String code = Convert.toStr(data.get(deviceBase.getCodeName()), "");
                String status = Convert.toStr(data.get(deviceBase.getStatusName()), "");
                String other = Convert.toStr(data.get(deviceBase.getOtherName()), "");
                if (!StrUtil.isAllNotBlank(code, status)) {
                    throw new ServiceException(HttpStatus.HTTP_INTERNAL_ERROR, String.format("缺少字段: message：%s, code: %s, status: %s", msgStr, deviceBase.getCodeName(), deviceBase.getStatusName()));
                }
                return updateDevice(commandEnum, code, status, other);
            } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
                throw new ServiceException(HttpStatus.HTTP_INTERNAL_ERROR, String.format("设备信息解析失败，原因：%s", e.getMessage()));
            }
        } else {
            throw new ServiceException(HttpStatus.HTTP_INTERNAL_ERROR, String.format("未能解析消息内容，message：%s", message));
        }
    }

    public DeviceEntity updateDevice(CommandEnum command, String code, String status, String other) {
        List<DeviceEntity> list = deviceRepository.findByCode(code);
        deviceRepository.deleteAll(list);
        DeviceEntity device = new DeviceEntity();
        device.setCommand(command);
        device.setCode(code);
        device.setStatus(status);
        device.setOther(other);
        deviceRepository.save(device);
        return device;
    }
}