package com.ydtech.modules.admin.service.impl;

import com.github.pagehelper.PageInfo;
import com.ydtech.exception.SystemException;
import com.ydtech.modules.admin.model.SysUser;
import com.ydtech.modules.admin.model.po.SysWechatCustomer;
import com.ydtech.modules.admin.model.po.SysWechatCustomerDuty;
import com.ydtech.modules.admin.model.po.SysWechatCustomerRecording;
import com.ydtech.modules.admin.model.vo.wechat.*;
import com.ydtech.modules.admin.service.SysWechatCustomerBusinessService;
import com.ydtech.modules.admin.service.SysWechatCustomerDutyService;
import com.ydtech.modules.admin.service.SysWechatCustomerRecordingService;
import com.ydtech.modules.admin.service.SysWechatCustomerService;
import com.ydtech.modules.order.entity.BasePageResult;
import com.ydtech.modules.order.entity.po.InsUploadFiles;
import com.ydtech.modules.order.service.InsUploadFilesService;
import com.ydtech.utils.DateTimeUtil;
import lombok.RequiredArgsConstructor;
import me.chanjar.weixin.common.bean.result.WxMediaUploadResult;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.cp.api.WxCpDepartmentService;
import me.chanjar.weixin.cp.api.WxCpKfService;
import me.chanjar.weixin.cp.api.WxCpMediaService;
import me.chanjar.weixin.cp.api.WxCpUserService;
import me.chanjar.weixin.cp.bean.WxCpBaseResp;
import me.chanjar.weixin.cp.bean.WxCpDepart;
import me.chanjar.weixin.cp.bean.WxCpUser;
import me.chanjar.weixin.cp.bean.kf.*;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import java.io.File;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor
public class SysWechatCustomerBusinessServiceImpl implements SysWechatCustomerBusinessService {

    private final WxCpKfService wxCpKfService;

    private final WxCpMediaService wxCpMediaService;

    private final WxCpUserService wxCpUserService;

    private final WxCpDepartmentService wxCpDepartmentService;

    private final InsUploadFilesService insUploadFilesService;

    private final SysWechatCustomerService sysWechatCustomerService;

    private final SysWechatCustomerDutyService sysWechatCustomerDutyService;

    private final SysWechatCustomerRecordingService sysWechatCustomerRecordingService;

    @Override
    public List<SysWechatCustomerDeptVo> getDeptByDeptId() throws WxErrorException {
        List<WxCpDepart> list = wxCpDepartmentService.list(null);
        List<SysWechatCustomerDeptVo> deptVos = list.stream()
                .map(SysWechatCustomerDeptVo::new)
                .collect(Collectors.toList());
        Map<String, List<SysWechatCustomerDeptVo>> parentGroup = deptVos.stream()
                .collect(Collectors.groupingBy(SysWechatCustomerDeptVo::getParentId));
        Set<String> strings = parentGroup.keySet();

        deptVos.forEach(node -> node.setChildDept(parentGroup.getOrDefault(node.getDeptId(), Collections.emptyList())));
        return deptVos.stream()
                .filter(node -> node.getParentId() != null && strings.contains(node.getDeptId()))
                .collect(Collectors.toList());
    }

    @Override
    public List<SysWeComUserVo> getUser(String deptId) throws WxErrorException {
        List<WxCpUser> wxCpUsers = wxCpUserService.listSimpleByDepartment(Long.valueOf(deptId), true, 0);
        return wxCpUsers.stream().map(x -> new SysWeComUserVo(x.getUserId(), x.getName())).collect(Collectors.toList());
    }

    @Override
    public BasePageResult<SysWechatCustomerVo> pageQuery(SysWechatCustomerQueryVo sysWechatCustomerQuery) {
        PageInfo<SysWechatCustomerVo> sysWechatCustomerVoPageInfo = sysWechatCustomerService.getByNickname(sysWechatCustomerQuery);

        // 查询本页的值班人员
        List<String> customer = sysWechatCustomerVoPageInfo.getList()
                .stream()
                .map(SysWechatCustomerVo::getId)
                .collect(Collectors.toList());

        if (!customer.isEmpty()) {
            // 获取值班时间列表
            Map<Long, List<SysWechatCustomerDuty>> dutyMap = sysWechatCustomerDutyService.lambdaQuery()
                    .in(SysWechatCustomerDuty::getCustomerId, customer)
                    .list()
                    .stream()
                    .collect(Collectors.groupingBy(SysWechatCustomerDuty::getCustomerId));

            // 设置值班时间
            sysWechatCustomerVoPageInfo.getList().forEach(sysWechatCustomerVo -> {
                List<SysWechatCustomerDuty> sysWechatCustomerDuties = dutyMap.get(Long.valueOf(sysWechatCustomerVo.getId()));
                if (!CollectionUtils.isEmpty(sysWechatCustomerDuties)) {
                    List<String> collect = sysWechatCustomerDuties.stream()
                            .map(x -> DateTimeUtil.startAndEndTimeFormatting(x.getStartTime(), x.getEndTime()))
                            .collect(Collectors.toList());
                    sysWechatCustomerVo.setDutyDatetime(collect);
                }
            });
        }

        return new BasePageResult<>(sysWechatCustomerQuery.getPageNum(), sysWechatCustomerQuery.getPageSize(), sysWechatCustomerVoPageInfo.getTotal(), sysWechatCustomerVoPageInfo.getPages(), sysWechatCustomerVoPageInfo.getList());
    }


    @Override
    public SysWechatCustomerAddVo getWechatCustomer(String customerId) {
        SysWechatCustomer sysWechatCustomer = sysWechatCustomerService.getById(customerId);
        return Optional.ofNullable(sysWechatCustomer)
                .map(SysWechatCustomerAddVo::new)
                .orElse(new SysWechatCustomerAddVo());
    }

    @Override
    public void addWechatCustomer(SysWechatCustomerAddVo sysWechatCustomerAddVo) throws WxErrorException {
        sysWechatCustomerService.isNicknameRepeat(sysWechatCustomerAddVo.getNickname());
        WxCpKfAccountAdd wxCpKfAccountAdd = new WxCpKfAccountAdd();
        wxCpKfAccountAdd.setName(sysWechatCustomerAddVo.getNickname());
        // 头像
        if (StringUtils.hasLength(sysWechatCustomerAddVo.getAvatar())) {
            InsUploadFiles insUploadFiles = insUploadFilesService.getById(sysWechatCustomerAddVo.getAvatar());
            Optional.ofNullable(insUploadFiles).map(InsUploadFiles::getFilePath).ifPresent(filePath -> {
                File file = new File(filePath);
                // 上传素材
                WxMediaUploadResult image;
                try {
                    image = wxCpMediaService.upload("image", file);
                } catch (WxErrorException e) {
                    throw new SystemException("图片上传失败");
                }
                String mediaId = image.getMediaId();
                wxCpKfAccountAdd.setMediaId(mediaId);
            });
        }
        // 添加
        WxCpKfAccountAddResp wxCpKfAccountAddResp = wxCpKfService.addAccount(wxCpKfAccountAdd);
        SysWechatCustomer sysWechatCustomer = new SysWechatCustomer(sysWechatCustomerAddVo);
        sysWechatCustomer.setOpenKfId(wxCpKfAccountAddResp.getOpenKfid());
        List<String> list = new ArrayList<>();
        list.add(sysWechatCustomerAddVo.getReceptionistId());
        WxCpKfServicerOpResp wxCpKfServicerOpResp = wxCpKfService.addServicer(wxCpKfAccountAddResp.getOpenKfid(), list);

        if (wxCpKfServicerOpResp.getErrcode() == 0) {
            sysWechatCustomerService.save(sysWechatCustomer);
        }
    }

    @Override
    public void deleteWechatCustomer(String customerId) throws WxErrorException {
        SysWechatCustomer sysWechatCustomer = sysWechatCustomerService.getByIdExist(customerId, "客服不存在");
        sysWechatCustomerService.isDutyCustomerId(sysWechatCustomer.getId());
        WxCpKfAccountDel wxCpKfAccountDel = new WxCpKfAccountDel();
        wxCpKfAccountDel.setOpenKfid(sysWechatCustomer.getOpenKfId());
        WxCpBaseResp wxCpBaseResp;
        wxCpBaseResp = wxCpKfService.delAccount(wxCpKfAccountDel);
        if (wxCpBaseResp.getErrcode() == 0) {
            sysWechatCustomerService.deleteAllInfo(customerId);
            sysWechatCustomerDutyService.clearCustomerDuty(customerId);
        }
    }

    @Override
    public void updateWechatCustomer(String customerId, SysWechatCustomerAddVo sysWechatCustomerAddVo) throws WxErrorException {
        SysWechatCustomer sysWechatCustomer = sysWechatCustomerService.getByIdExist(customerId, "客服不存在");
        if(!sysWechatCustomer.getNickname().equals(sysWechatCustomerAddVo.getNickname())){
            sysWechatCustomerService.isNicknameRepeat(sysWechatCustomerAddVo.getNickname());
        }
        WxCpKfAccountUpd wxCpKfAccountUpd = new WxCpKfAccountUpd();
        wxCpKfAccountUpd.setOpenKfid(sysWechatCustomer.getOpenKfId());
        boolean isAvatarSame = StringUtils.hasLength(sysWechatCustomer.getAvatar()) && !sysWechatCustomer.getAvatar()
                .equals(sysWechatCustomerAddVo.getAvatar());

        // 头像是否更换
        if (isAvatarSame) {
            InsUploadFiles insUploadFiles = insUploadFilesService.getById(sysWechatCustomerAddVo.getAvatar());
            File file = new File(insUploadFiles.getFilePath());
            WxMediaUploadResult image = wxCpMediaService.upload("image", file);
            String mediaId = image.getMediaId();
            wxCpKfAccountUpd.setMediaId(mediaId);
            sysWechatCustomer.setAvatar(sysWechatCustomerAddVo.getAvatar());
        }

        // 昵称是否相同
        boolean isNicknameSame = !sysWechatCustomer.getNickname().equals(sysWechatCustomerAddVo.getNickname());
        if (isNicknameSame) {
            wxCpKfAccountUpd.setName(sysWechatCustomerAddVo.getNickname());
        }

        // 客服人员是否替换
        if (!sysWechatCustomer.getReceptionistId().equals(sysWechatCustomerAddVo.getReceptionistId())) {
            List<String> list = new ArrayList<>();
            list.add(sysWechatCustomer.getReceptionistId());
            wxCpKfService.delServicer(sysWechatCustomer.getOpenKfId(), list);
            list = new ArrayList<>();
            list.add(sysWechatCustomerAddVo.getReceptionistId());
            wxCpKfService.addServicer(sysWechatCustomer.getOpenKfId(), list);
            sysWechatCustomer.setReceptionistId(sysWechatCustomerAddVo.getReceptionistId());
            sysWechatCustomer.setReceptionist(sysWechatCustomerAddVo.getReceptionist());
        }

        // 昵称和头像是否跟换
        if (isNicknameSame || isAvatarSame) {
            wxCpKfService.updAccount(wxCpKfAccountUpd);
        }

        sysWechatCustomer.setNickname(sysWechatCustomerAddVo.getNickname());
        sysWechatCustomer.setAvatar(sysWechatCustomerAddVo.getAvatar());
        sysWechatCustomer.setUserId(sysWechatCustomerAddVo.getUserId());
        sysWechatCustomerService.updateById(sysWechatCustomer);
    }

    @Override
    public String getWeChatCustomer(SysUser user) throws WxErrorException {
        SysWechatCustomer sysWechatCustomer = sysWechatCustomerService.getByUserId(user.getLeaderId());
        List<SysWechatCustomer> sysWechatCustomerList = sysWechatCustomerService.list();
        List<Long> sysWechatCustomerIdList = sysWechatCustomerList.stream()
                .map(SysWechatCustomer::getId)
                .collect(Collectors.toList());
        if (ObjectUtils.isEmpty(sysWechatCustomer)) {
            // 获取最近一次的客服记录
            SysWechatCustomerRecording sysWechatCustomerRecording = sysWechatCustomerRecordingService.lambdaQuery()
                    .in(!sysWechatCustomerIdList.isEmpty(), SysWechatCustomerRecording::getCustomerId, sysWechatCustomerIdList)
                    .eq(SysWechatCustomerRecording::getUserId, user.getId())
                    .orderByDesc(SysWechatCustomerRecording::getCreateTime)
                    .last("limit 1")
                    .one();
            if (ObjectUtils.isEmpty(sysWechatCustomerRecording)) {
                sysWechatCustomerService.getCacheCustomerId(sysWechatCustomer);
            } else {
                // 使用上一次的客服
                sysWechatCustomer = sysWechatCustomerService.lambdaQuery()
                        .eq(SysWechatCustomer::getId, sysWechatCustomerRecording.getCustomerId())
                        .one();
                if (ObjectUtils.isEmpty(sysWechatCustomer)) {
                    sysWechatCustomerService.getCacheCustomerId(sysWechatCustomer);
                }
            }
            SysWechatCustomerRecording customerRecording = new SysWechatCustomerRecording();
            customerRecording.setCustomerId(sysWechatCustomer.getId());
            customerRecording.setUserId(user.getId());
            sysWechatCustomerRecordingService.save(customerRecording);
        }

        List<SysWechatCustomerDuty> list = sysWechatCustomerDutyService.lambdaQuery()
                .eq(SysWechatCustomerDuty::getCustomerId, sysWechatCustomer.getId())
                .le(SysWechatCustomerDuty::getStartTime, LocalDateTime.now())
                .ge(SysWechatCustomerDuty::getEndTime, LocalDateTime.now())
                .list();
        if (sysWechatCustomer.getDutyCustomerId() > 0 && list != null && !list.isEmpty()) {
            sysWechatCustomer = sysWechatCustomerService.getById(sysWechatCustomer.getDutyCustomerId());
        }

        if (ObjectUtils.isEmpty(sysWechatCustomer)) {
            throw new SystemException("请联系管理员，配置客服");
        }

        String openKfId = sysWechatCustomer.getOpenKfId();
        WxCpKfAccountLink wxCpKfAccountLink = new WxCpKfAccountLink();
        wxCpKfAccountLink.setOpenKfid(openKfId);
        wxCpKfAccountLink.setScene(user.getId());
        WxCpKfAccountLinkResp accountLink = wxCpKfService.getAccountLink(wxCpKfAccountLink);
        return accountLink.getUrl();
    }

}