package com.ycl.service.impl;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.common.base.Result;
import com.ycl.common.core.domain.entity.SysDept;
import com.ycl.common.core.domain.entity.SysRole;
import com.ycl.common.core.domain.entity.SysUser;
import com.ycl.common.enums.business.HandlerTypeEnum;
import com.ycl.common.enums.business.ProcessLogEventTypeEnum;
import com.ycl.domain.entity.ProcessLog;
import com.ycl.domain.json.*;
import com.ycl.domain.query.ProcessLogQuery;
import com.ycl.domain.vo.ProcessLogVO;
import com.ycl.framework.utils.PageUtil;
import com.ycl.mapper.ProcessLogMapper;
import com.ycl.service.ProcessLogService;
import com.ycl.system.service.ISysDeptService;
import com.ycl.system.service.ISysRoleService;
import com.ycl.system.service.ISysUserService;
import lombok.RequiredArgsConstructor;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 流程日志 服务实现类
 *
 * @author xp
 * @since 2025-01-02
 */
@Service
@RequiredArgsConstructor
public class ProcessLogServiceImpl extends ServiceImpl<ProcessLogMapper, ProcessLog> implements ProcessLogService {

    private final ProcessLogMapper processLogMapper;
    private final ISysUserService userService;
    private final ISysDeptService deptService;
    private final ISysRoleService roleService;

    /**
     * 添加日志
     *  @param taskId 任务id
     * @param flowInsId 流程实例id
     * @param eventType 事件类型
     * @param projectId 项目id
     * @param eventDataJson json扩展内容
     */
    @Override
    public void add(String taskId, String flowInsId, ProcessLogEventTypeEnum eventType, String projectId, String eventDataJson) {
        ProcessLog log = new ProcessLog();
        log.setTaskId(taskId);
        log.setProcessInsId(flowInsId);
        log.setProjectId(projectId);
        log.setEventType(eventType);
        log.setEventDataJson(eventDataJson);
        baseMapper.insert(log);
    }

    /**
     * 批量删除
     * @param ids
     * @return
     */
    @Override
    public Result remove(List<String> ids) {
        baseMapper.deleteBatchIds(ids);
        return Result.ok("删除成功");
    }

    /**
     * id删除
     * @param id
     * @return
     */
    @Override
    public Result removeById(String id) {
        baseMapper.deleteById(id);
        return Result.ok("删除成功");
    }

    /**
     * 分页查询
     * @param query
     * @return
     */
    @Override
    public Result page(ProcessLogQuery query) {
        IPage<ProcessLogVO> page = PageUtil.getPage(query, ProcessLogVO.class);
        baseMapper.getPage(page, query);
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }

    /**
     * 根据id查找
     * @param id
     * @return
     */
    @Override
    public Result detail(Long id) {
        ProcessLogVO vo = baseMapper.getById(id);
        Assert.notNull(vo, "记录不存在");
        return Result.ok().data(vo);
    }

    /**
     * 列表
     * @return
     */
    @Override
    public Result all() {
        List<ProcessLog> entities = baseMapper.selectList(null);
        List<ProcessLogVO> vos = entities.stream()
                .map(entity -> ProcessLogVO.getVoByEntity(entity, null))
                .collect(Collectors.toList());
        return Result.ok().data(vos);
    }

    @Override
    public Boolean taskDelegation(String processInstanceId, String taskId) {
        List<ProcessLog> list = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProcessLog::getProcessInsId, processInstanceId)
                .eq(ProcessLog::getTaskId, taskId)
                .eq(ProcessLog::getEventType, ProcessLogEventTypeEnum.DELEGATE)
                .list();
        return CollectionUtils.isNotEmpty(list);
    }

    @Override
    public Boolean taskIsHangup(String taskId, String processInsId) {
        Long num = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProcessLog::getProcessInsId, processInsId)
                .eq(ProcessLog::getTaskId, taskId)
                .in(ProcessLog::getEventType, ProcessLogEventTypeEnum.HANGUP, ProcessLogEventTypeEnum.CANCEL_HANGUP)
                .count();
        return num % 2 != 0;
    }

    @Override
    public Boolean taskIsWait(String taskId, String processInsId) {
        List<ProcessLog> list = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProcessLog::getProcessInsId, processInsId)
                .eq(ProcessLog::getTaskId, taskId)
                .list();
        return list.stream().anyMatch(log -> ProcessLogEventTypeEnum.WAIT.equals(log.getEventType()))
                && list.stream().filter(log -> ProcessLogEventTypeEnum.FINISHED.equals(log.getEventType())).count() < 1;
    }

    @Override
    public Boolean taskIsJump(String taskId, String processInsId) {
        List<ProcessLog> list = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProcessLog::getProcessInsId, processInsId)
                .eq(ProcessLog::getTaskId, taskId)
                .eq(ProcessLog::getEventType, ProcessLogEventTypeEnum.JUMP)
                .list();
        return list.size() > 0;
    }

    @Override
    public Boolean taskIsTeamwork(String taskId, String processInsId) {
        ProcessLog log = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProcessLog::getProcessInsId, processInsId)
                .eq(ProcessLog::getTaskId, taskId)
                .eq(ProcessLog::getEventType, ProcessLogEventTypeEnum.TEAM_WORK)
                .one();
        if (Objects.isNull(log)) {
            return Boolean.FALSE;
        } else {
            // 判断协同人是否全部完成了协同。TODO
        }
        return null;
    }

    @Override
    public Result projectProcessLogList(ProcessLogQuery query) {
        List<ProcessLogVO> list = baseMapper.projectProcessLogList(query);
        // json反序列化
        list.stream().forEach(log -> {
            if (StringUtils.isNotBlank(log.getEventDataJson())) {
                if (ProcessLogEventTypeEnum.DELEGATE.equals(log.getEventType())) {
                    DelegateData delegateData = JSON.parseObject(log.getEventDataJson(), DelegateData.class);
                    // 查询转办后的处理人名称
                    List<String> names = new ArrayList<>(2);
                    List<Long> ids = delegateData.getAfterHandlerIds().stream().map(Long::parseLong).collect(Collectors.toList());
                    this.getName(delegateData.getAfterHandlerType(), ids, names);
                    delegateData.setAfterHandlerNames(names);
                    log.setEventDataObj(delegateData);
                } else if (ProcessLogEventTypeEnum.JUMP.equals(log.getEventType())) {
                    log.setEventDataObj(JSON.parseObject(log.getEventDataJson(), JumpData.class));
                } else if (ProcessLogEventTypeEnum.WAIT.equals(log.getEventType())) {
                    log.setEventDataObj(JSON.parseObject(log.getEventDataJson(), WaitData.class));
                } else if (ProcessLogEventTypeEnum.REJECT.equals(log.getEventType())) {
                    log.setEventDataObj(JSON.parseObject(log.getEventDataJson(), RejectData.class));
                } else if (ProcessLogEventTypeEnum.SUPERVISE.equals(log.getEventType())) {
                    List<SuperviseData> superviseDataList = JSON.parseArray(log.getEventDataJson(), SuperviseData.class);
                    if (CollectionUtils.isNotEmpty(superviseDataList)) {
                        SysUser user = userService.selectUserById(Long.parseLong(superviseDataList.get(0).getSenderId()));
                        if (Objects.nonNull(user)) {
                            superviseDataList.get(0).setSenderName(user.getNickName() + "(" + (Objects.nonNull(user.getDept()) ? user.getDept().getDeptName() : "无部门") + ")");
                        }
                        log.setEventDataObj(superviseDataList.get(0));
                    }

                } else if (ProcessLogEventTypeEnum.HANGUP.equals(log.getEventType())) {
                    log.setEventDataObj(JSON.parseObject(log.getEventDataJson(), HangupData.class));
                }
            }
        });
        return Result.ok().data(list);
    }

    @Override
    public Result projectProcessLogPage(ProcessLogQuery query) {
        IPage<ProcessLogVO> page = PageUtil.getPage(query, ProcessLogVO.class);
        baseMapper.projectProcessLogPage(page, query);
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }

    /**
     * 解析流程日志中的数据-名称
     *
     * @param handlerType
     * @param ids
     * @param names
     */
    private void getName(HandlerTypeEnum handlerType, List<Long> ids, List<String> names) {
        if (HandlerTypeEnum.FIX_USER.equals(handlerType)) {
            SysUser user = userService.selectUserById(ids.get(0));
            if (Objects.nonNull(user)) {
                names.add(user.getNickName() + "(" + (Objects.nonNull(user.getDept()) ? user.getDept().getDeptName() : "无部门") + ")");
            }
        } else if (HandlerTypeEnum.USER.equals(handlerType)) {
            List<SysUser> users = userService.selectUserByIds(ids);
            names.addAll(users.stream().map(user -> user.getNickName() + "(" + (Objects.nonNull(user.getDept()) ? user.getDept().getDeptName() : "无部门") + ")").collect(Collectors.toList()));
        } else if (HandlerTypeEnum.DEPT.equals(handlerType)) {
            List<SysDept> depts = deptService.selectDeptByIds(ids);
            names.addAll(depts.stream().map(SysDept::getDeptName).collect(Collectors.toList()));
        } else if (HandlerTypeEnum.ROLE.equals(handlerType)) {
            List<SysRole> roles = roleService.selectRoleByIds(ids);
            names.addAll(roles.stream().map(SysRole::getRoleName).collect(Collectors.toList()));
        }
    }
}