package com.doumee.service.business.impl;

import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.model.LoginUserInfo;
import com.doumee.core.model.PageData;
import com.doumee.core.model.PageWrap;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.DateUtil;
import com.doumee.core.utils.Utils;
import com.doumee.dao.business.dto.YwConditionerEditDTO;
import com.doumee.dao.business.dto.YwConditionerLockDTO;
import com.doumee.dao.business.dto.YwConditionerOperateDTO;
import com.doumee.dao.business.YwConditionerGatewayMapper;
import com.doumee.dao.business.YwConditionerMapper;
import com.doumee.dao.business.YwElectricalRoomMapper;
import com.doumee.dao.business.model.YwConditioner;
import com.doumee.dao.business.model.YwConditionerActions;
import com.doumee.dao.business.model.YwConditionerGateway;
import com.doumee.dao.business.model.YwElectricalRoom;
import com.doumee.dao.business.model.YwBuilding;
import com.doumee.dao.business.model.YwFloor;
import com.doumee.dao.business.model.YwRoom;
import com.doumee.service.business.ConditionerBizService;
import com.doumee.service.business.YwConditionerActionsService;
import com.doumee.service.business.YwConditionerService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 空调设备信息Service实现
 * @author renkang
 * @date 2026/04/03
 */
@Service
public class YwConditionerServiceImpl implements YwConditionerService {

    @Autowired
    private YwConditionerMapper ywConditionerMapper;
    @Autowired
    private YwElectricalRoomMapper ywElectricalRoomMapper;
    @Autowired
    private YwConditionerGatewayMapper gatewayMapper;
    @Autowired
    private ConditionerBizService conditionerBizService;
    @Autowired
    private YwConditionerActionsService ywConditionerActionsService;

    @Override
    public Integer create(YwConditioner ywConditioner) {
        if (Objects.isNull(ywConditioner)
                || StringUtils.isBlank(ywConditioner.getName())
                || StringUtils.isBlank(ywConditioner.getCode())) {
            throw new BusinessException(ResponseStatus.BAD_REQUEST);
        }
        LoginUserInfo loginUserInfo = ywConditioner.getLoginUserInfo();
        // 校验设备编号唯一
        if (ywConditionerMapper.selectCount(new QueryWrapper<YwConditioner>().lambda()
                .eq(YwConditioner::getIsdeleted, Constants.ZERO)
                .eq(YwConditioner::getCode, ywConditioner.getCode())) > Constants.ZERO) {
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(), "设备编号重复!");
        }
        ywConditioner.setCreateDate(new Date());
        ywConditioner.setCreator(loginUserInfo.getId());
        ywConditioner.setEditDate(new Date());
        ywConditioner.setEditor(loginUserInfo.getId());
        ywConditioner.setIsdeleted(Constants.ZERO);
        ywConditionerMapper.insert(ywConditioner);
        return ywConditioner.getId();
    }

    @Override
    public void deleteById(Integer id, LoginUserInfo user) {
        ywConditionerMapper.update(new UpdateWrapper<YwConditioner>()
                .lambda()
                .set(YwConditioner::getIsdeleted, Constants.ONE)
                .set(YwConditioner::getEditDate, DateUtil.getCurrDateTime())
                .set(YwConditioner::getEditor, user)
                .eq(YwConditioner::getId, id)
        );
    }

    @Override
    public void deleteByIdInBatch(List<Integer> ids, LoginUserInfo user) {
        if (CollectionUtils.isEmpty(ids)) {
            return;
        }
        for (Integer id : ids) {
            this.deleteById(id, user);
        }
    }

    @Override
    public void updateById(YwConditioner ywConditioner) {
        if (Objects.isNull(ywConditioner)
                || Objects.isNull(ywConditioner.getId())
                || StringUtils.isBlank(ywConditioner.getName())
                || StringUtils.isBlank(ywConditioner.getCode())) {
            throw new BusinessException(ResponseStatus.BAD_REQUEST);
        }
        LoginUserInfo loginUserInfo = ywConditioner.getLoginUserInfo();
        // 校验设备编号唯一（排除自身）
        if (ywConditionerMapper.selectCount(new QueryWrapper<YwConditioner>().lambda()
                .eq(YwConditioner::getIsdeleted, Constants.ZERO)
                .eq(YwConditioner::getCode, ywConditioner.getCode())
                .ne(YwConditioner::getId, ywConditioner.getId())) > Constants.ZERO) {
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(), "设备编号重复!");
        }
        ywConditioner.setEditDate(new Date());
        ywConditioner.setEditor(loginUserInfo.getId());
        ywConditionerMapper.updateById(ywConditioner);
    }

    @Override
    public YwConditioner findById(Integer id) {
        return ywConditionerMapper.selectOne(new QueryWrapper<YwConditioner>().lambda()
                .eq(YwConditioner::getId, id)
                .last(" limit 1 "));
    }

    @Override
    public PageData<YwConditioner> findPage(PageWrap<YwConditioner> pageWrap) {
        IPage<YwConditioner> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        MPJLambdaWrapper<YwConditioner> queryWrapper = new MPJLambdaWrapper<>();
        Utils.MP.blankToNull(pageWrap.getModel());
        YwConditioner model = pageWrap.getModel();
        queryWrapper.selectAll(YwConditioner.class)
                .and(Objects.nonNull(model) && StringUtils.isNotBlank(model.getName()),
                        i -> i.like(YwConditioner::getName, model.getName())
                             .or()
                             .like(YwConditioner::getCode, model.getName()))
                .eq(Objects.nonNull(model) && Objects.nonNull(model.getStatus()), YwConditioner::getStatus, model.getStatus())
                .eq(YwConditioner::getIsdeleted, Constants.ZERO)
                .orderByDesc(YwConditioner::getCreateDate);
        IPage<YwConditioner> iPage = ywConditionerMapper.selectJoinPage(page, YwConditioner.class, queryWrapper);
        return PageData.from(iPage);
    }

    @Override
    public PageData<YwConditioner> findCardPage(PageWrap<YwConditioner> pageWrap) {
        IPage<YwConditioner> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        Utils.MP.blankToNull(pageWrap.getModel());
        YwConditioner model = pageWrap.getModel() == null ? new YwConditioner() : pageWrap.getModel();
        MPJLambdaWrapper<YwConditioner> queryWrapper = new MPJLambdaWrapper<>();
        queryWrapper.selectAll(YwConditioner.class)
                .eq(YwConditioner::getIsdeleted, Constants.ZERO)
                .isNotNull(YwConditioner::getPlatformDevId)
                .and(StringUtils.isNotBlank(model.getDevKeyword()), w -> w
                        .like(YwConditioner::getName, model.getDevKeyword())
                        .or().like(YwConditioner::getCode, model.getDevKeyword())
                        .or().like(YwConditioner::getRoomName, model.getDevKeyword()))
                .eq(StringUtils.isNotBlank(model.getOnlineFilter()), YwConditioner::getOnline, model.getOnlineFilter())
                .eq(model.getPwrFilter() != null, YwConditioner::getPwr, model.getPwrFilter())
                .eq(StringUtils.isNotBlank(model.getWgMacFilter()), YwConditioner::getWgMac, model.getWgMacFilter())
                .orderByAsc(YwConditioner::getWgQid)
                .orderByAsc(YwConditioner::getId);
        PageData<YwConditioner> pageData = PageData.from(
                ywConditionerMapper.selectJoinPage(page, YwConditioner.class, queryWrapper));
        fillGatewayBzFromGateway(pageData.getRecords());
        return pageData;
    }

    /**
     * 从本地网关镜像表 yw_conditioner_gateway 关联填充备注（优先平台网关ID，其次 MAC）
     */
    private void fillGatewayBzFromGateway(List<YwConditioner> records) {
        if (CollectionUtils.isEmpty(records)) {
            return;
        }
        List<String> macs = records.stream()
                .map(YwConditioner::getWgMac)
                .filter(StringUtils::isNotBlank)
                .distinct()
                .collect(Collectors.toList());
        List<Integer> platformWgIds = records.stream()
                .map(YwConditioner::getWgId)
                .filter(Objects::nonNull)
                .distinct()
                .collect(Collectors.toList());
        if (macs.isEmpty() && platformWgIds.isEmpty()) {
            return;
        }
        QueryWrapper<YwConditionerGateway> gwQuery = new QueryWrapper<>();
        gwQuery.lambda().eq(YwConditionerGateway::getIsdeleted, Constants.ZERO);
        if (!macs.isEmpty() && !platformWgIds.isEmpty()) {
            gwQuery.lambda().and(w -> w.in(YwConditionerGateway::getWgMac, macs)
                    .or().in(YwConditionerGateway::getPlatformWgId, platformWgIds));
        } else if (!macs.isEmpty()) {
            gwQuery.lambda().in(YwConditionerGateway::getWgMac, macs);
        } else {
            gwQuery.lambda().in(YwConditionerGateway::getPlatformWgId, platformWgIds);
        }
        List<YwConditionerGateway> gateways = gatewayMapper.selectList(gwQuery);
        Map<String, String> bzByMac = new HashMap<>();
        Map<Integer, String> bzByPlatformWgId = new HashMap<>();
        for (YwConditionerGateway gw : gateways) {
            if (StringUtils.isNotBlank(gw.getWgBz())) {
                if (StringUtils.isNotBlank(gw.getWgMac())) {
                    bzByMac.putIfAbsent(gw.getWgMac().trim(), gw.getWgBz());
                }
                if (gw.getPlatformWgId() != null) {
                    bzByPlatformWgId.putIfAbsent(gw.getPlatformWgId(), gw.getWgBz());
                }
            }
        }
        for (YwConditioner row : records) {
            String bz = null;
            if (StringUtils.isNotBlank(row.getWgMac())) {
                bz = bzByMac.get(row.getWgMac().trim());
            }
            if (StringUtils.isBlank(bz) && row.getWgId() != null) {
                bz = bzByPlatformWgId.get(row.getWgId());
            }
            if (StringUtils.isNotBlank(bz)) {
                row.setWgBz(bz);
            }
        }
    }

    @Override
    public String syncAll() {
        return conditionerBizService.syncAll();
    }

    @Override
    public String syncDevicesAndStatus() {
        return conditionerBizService.syncIndoorUnits();
    }

    @Override
    public String operate(YwConditionerOperateDTO dto, LoginUserInfo user) {
        return conditionerBizService.operate(dto, user);
    }

    @Override
    public String lock(YwConditionerLockDTO dto, LoginUserInfo user) {
        return conditionerBizService.lock(dto, user);
    }

    @Override
    public PageData<YwConditionerActions> historyPage(PageWrap<YwConditionerActions> pageWrap) {
        return ywConditionerActionsService.findPage(pageWrap);
    }

    @Override
    public List<Map<String, Object>> gatewayOptions() {
        return conditionerBizService.gatewayOptions();
    }

    @Override
    public PageData<YwConditioner> findDeviceManagePage(PageWrap<YwConditioner> pageWrap) {
        IPage<YwConditioner> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        Utils.MP.blankToNull(pageWrap.getModel());
        YwConditioner model = pageWrap.getModel() == null ? new YwConditioner() : pageWrap.getModel();
        MPJLambdaWrapper<YwConditioner> queryWrapper = new MPJLambdaWrapper<>();
        queryWrapper.selectAll(YwConditioner.class)
                .eq(YwConditioner::getIsdeleted, Constants.ZERO)
                .and(StringUtils.isNotBlank(model.getManageKeyword()), w -> w
                        .like(YwConditioner::getName, model.getManageKeyword())
                        .or().like(YwConditioner::getCode, model.getManageKeyword())
                        .or().like(YwConditioner::getRoomName, model.getManageKeyword())
                        .or().like(YwConditioner::getWgMac, model.getManageKeyword()))
                .eq(StringUtils.isNotBlank(model.getManageOnlineFilter()), YwConditioner::getOnline, model.getManageOnlineFilter())
                .eq(StringUtils.isNotBlank(model.getWgMacFilter()), YwConditioner::getWgMac, model.getWgMacFilter())
                .orderByDesc(YwConditioner::getCreateDate)
                .orderByDesc(YwConditioner::getId);
        PageData<YwConditioner> pageData = PageData.from(
                ywConditionerMapper.selectJoinPage(page, YwConditioner.class, queryWrapper));
        fillRoomNames(pageData.getRecords());
        fillGatewayBzFromGateway(pageData.getRecords());
        return pageData;
    }

    @Override
    public YwConditionerEditDTO getManageDetail(Integer id) {
        YwConditioner conditioner = findById(id);
        if (conditioner == null || Objects.equals(conditioner.getIsdeleted(), Constants.ONE)) {
            throw new BusinessException(ResponseStatus.DATA_EMPTY);
        }
        YwConditionerEditDTO dto = new YwConditionerEditDTO();
        BeanUtils.copyProperties(conditioner, dto);
        List<YwElectricalRoom> rooms = ywElectricalRoomMapper.selectList(new QueryWrapper<YwElectricalRoom>().lambda()
                .eq(YwElectricalRoom::getIsdeleted, Constants.ZERO)
                .eq(YwElectricalRoom::getType, Constants.ONE)
                .eq(YwElectricalRoom::getObjId, id));
        dto.setRoomIds(rooms.stream().map(YwElectricalRoom::getRoomId).filter(Objects::nonNull).collect(Collectors.toList()));
        fillRoomNames(Collections.singletonList(dto));
        return dto;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateManageDetail(YwConditionerEditDTO dto, LoginUserInfo user) {
        if (dto == null || dto.getId() == null) {
            throw new BusinessException(ResponseStatus.BAD_REQUEST);
        }
        YwConditioner exist = findById(dto.getId());
        if (exist == null || Objects.equals(exist.getIsdeleted(), Constants.ONE)) {
            throw new BusinessException(ResponseStatus.DATA_EMPTY);
        }
        saveRooms(dto.getId(), dto.getRoomIds(), user);
        Integer primaryRoomId = CollectionUtils.isEmpty(dto.getRoomIds()) ? null : dto.getRoomIds().get(0);
        ywConditionerMapper.update(null, new UpdateWrapper<YwConditioner>().lambda()
                .eq(YwConditioner::getId, dto.getId())
                .set(YwConditioner::getRoomId, primaryRoomId)
                .set(YwConditioner::getRemark, dto.getRemark())
                .set(YwConditioner::getEditor, user.getId())
                .set(YwConditioner::getEditDate, new Date()));
    }

    private void saveRooms(Integer conditionerId, List<Integer> roomIds, LoginUserInfo user) {
        ywElectricalRoomMapper.update(null, new UpdateWrapper<YwElectricalRoom>().lambda()
                .set(YwElectricalRoom::getIsdeleted, Constants.ONE)
                .set(YwElectricalRoom::getEditDate, new Date())
                .set(YwElectricalRoom::getEditor, user.getId())
                .eq(YwElectricalRoom::getObjId, conditionerId)
                .eq(YwElectricalRoom::getType, Constants.ONE));
        if (CollectionUtils.isEmpty(roomIds)) {
            return;
        }
        int sort = 0;
        for (Integer roomId : roomIds) {
            if (roomId == null) {
                continue;
            }
            YwElectricalRoom rel = new YwElectricalRoom();
            rel.setCreator(user.getId());
            rel.setCreateDate(new Date());
            rel.setEditor(user.getId());
            rel.setEditDate(new Date());
            rel.setIsdeleted(Constants.ZERO);
            rel.setType(Constants.ONE);
            rel.setObjId(conditionerId);
            rel.setRoomId(roomId);
            rel.setSortnum(++sort);
            ywElectricalRoomMapper.insert(rel);
        }
    }

    private void fillRoomNames(List<? extends YwConditioner> list) {
        if (CollectionUtils.isEmpty(list)) {
            return;
        }
        List<Integer> ids = list.stream().map(YwConditioner::getId).filter(Objects::nonNull).collect(Collectors.toList());
        if (ids.isEmpty()) {
            return;
        }
        MPJLambdaWrapper<YwElectricalRoom> wrapper = new MPJLambdaWrapper<>();
        wrapper.selectAll(YwElectricalRoom.class)
                .selectAs(YwRoom::getRoomNum, YwElectricalRoom::getRoomName)
                .selectAs(YwBuilding::getName, YwElectricalRoom::getBuildingName)
                .selectAs(YwFloor::getName, YwElectricalRoom::getFloorName)
                .leftJoin(YwRoom.class, YwRoom::getId, YwElectricalRoom::getRoomId)
                .leftJoin(YwFloor.class, YwFloor::getId, YwRoom::getFloor)
                .leftJoin(YwBuilding.class, YwBuilding::getId, YwRoom::getBuildingId)
                .eq(YwElectricalRoom::getIsdeleted, Constants.ZERO)
                .eq(YwElectricalRoom::getType, Constants.ONE)
                .in(YwElectricalRoom::getObjId, ids);
        List<YwElectricalRoom> rooms = ywElectricalRoomMapper.selectJoinList(YwElectricalRoom.class, wrapper);
        Map<Integer, List<YwElectricalRoom>> grouped = rooms.stream()
                .collect(Collectors.groupingBy(YwElectricalRoom::getObjId));
        for (YwConditioner row : list) {
            List<YwElectricalRoom> rs = grouped.get(row.getId());
            if (CollectionUtils.isEmpty(rs)) {
                continue;
            }
            row.setRoomNames(rs.stream().map(this::formatRoomPath).filter(StringUtils::isNotBlank)
                    .collect(Collectors.joining("、")));
        }
    }

    private String formatRoomPath(YwElectricalRoom room) {
        List<String> parts = new ArrayList<>();
        if (StringUtils.isNotBlank(room.getBuildingName())) {
            parts.add(room.getBuildingName());
        }
        if (StringUtils.isNotBlank(room.getFloorName())) {
            parts.add(room.getFloorName());
        }
        if (StringUtils.isNotBlank(room.getRoomName())) {
            parts.add(room.getRoomName());
        }
        return String.join("/", parts);
    }
}