package com.nb.im.controller;

import cn.dev33.satoken.stp.StpLogic;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.mapper.Mapper;
import java.util.*;
import java.util.concurrent.atomic.AtomicLong;

import com.nb.auth.utils.SecurityUtil;
import com.nb.common.crud.BaseService;
import com.nb.common.crud.controller.BaseSaveController;
import com.nb.core.exception.CustomException;
import com.nb.core.result.R;
import com.nb.im.controller.vo.RemarkReadVo;
import com.nb.im.controller.vo.UnreadVo;
import com.nb.im.entity.ImMsgEntity;
import com.nb.im.entity.ImRoomEntity;
import com.nb.im.room.ImRoomOperator;
import com.nb.im.room.ImRoomOperatorManager;
import com.nb.im.service.LocalImMsgService;
import com.nb.im.service.dto.ImRoomDetailDto;
import com.nb.im.service.dto.ImRoomDto;
import com.nb.im.enums.ImStatusEnum;
import com.nb.im.enums.SponsorEnum;
import com.nb.im.service.LocalImRoomService;
import com.nb.im.service.dto.ImRoomQuery;
import com.nb.im.service.dto.ImRoomResult;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.AllArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

/**
 * @author lifang
 * @version 1.0.0
 * @ClassName ChatRoomController.java
 * @Description
 * @createTime 2022年08月16日 09:42:00
 */
@RestController
@AllArgsConstructor
@RequestMapping("/im/room")
@Api(tags = "聊天室")
public class ImRoomController implements BaseSaveController<ImRoomEntity,String> {
    private final LocalImRoomService imRoomService;
    private final ImRoomOperatorManager roomOperatorManager;
    private final LocalImMsgService msgService;
    @Override
    public BaseService<? extends Mapper<ImRoomEntity>, ImRoomEntity, String> getService() {
        return imRoomService;
    }


    @ApiOperation(value = "查询并自动创建与病人看护人的聊天室",notes = "若存在，则返回聊天室信息，若不存在，则返回空")
    @PostMapping("/look")
    public R getChatRoom(@RequestBody@Validated ImRoomDto source){
        if(Boolean.TRUE.equals(source.isAutoCreate())&&StrUtil.isEmpty(source.getDoctorNickname())){
            throw new CustomException("医生昵称不可为空");
        }
        ImRoomEntity chatRoom = imRoomService.getOne(new QueryWrapper<ImRoomEntity>()
                .lambda()
                .eq(ImRoomEntity::getAssistId, source.getAssistId())
                .eq(ImRoomEntity::getDoctorId, source.getDoctorId())
                .eq(ImRoomEntity::getPatientId, source.getPatientId())
                .nested(i->i.eq(ImRoomEntity::getStatus, ImStatusEnum.WAITING)
                        .or()
                        .eq(ImRoomEntity::getStatus,ImStatusEnum.SUCCESS))
                .last("limit 1"));
        if(chatRoom==null&&source.isAutoCreate()){
            source.setTotalCount(0);
            source.setSponsorType(SponsorEnum.doctor);
            source.setStatus(ImStatusEnum.SUCCESS);
            imRoomService.createChatRoom(source);
        }else if(chatRoom!=null&&ImStatusEnum.WAITING.equals(chatRoom.getStatus())&&source.isAutoCreate()){
            imRoomService.successChatRoom(chatRoom.getId(),source.getDoctorId());
        }
        return R.success(chatRoom);
    }


    @PostMapping("/finished/{roomId}")
    @ApiOperation(value = "结束咨询")
    public R<Boolean> finished(@PathVariable String roomId){
        return R.success(imRoomService.finished(roomId));
    }

    @PostMapping("/no_page")
    @ApiOperation(value = "聊天室列表查询",notes = "走非条件查询，条件查询请于安卓端自行实现")
    public R<List<ImRoomResult>> list(@RequestBody @Validated ImRoomQuery query){
        List<ImRoomResult> result= imRoomService.getBaseMapper().queryPageNoneMsgBlurry(query);
        String userId = String.valueOf(SecurityUtil.getId());
        result.forEach(room->
                room.setUnreadCount( roomOperatorManager.getRoomOperator(room.getId())
                        .unReadCount(userId))
        );
        return R.success(result);
    }

    @GetMapping("/view/{id}")
    @ApiOperation(value = "根据id查询聊天室")
    public R<ImRoomDetailDto> getById(@PathVariable("id") String id){
        ImRoomDetailDto result= BeanUtil.toBean(imRoomService.getById(id),ImRoomDetailDto.class);
        if(result!=null){
            result.setUnreadCount( roomOperatorManager.getRoomOperator(result.getId())
                    .unReadCount( String.valueOf(SecurityUtil.getId())));
        }
        return R.success(result);
    }


    @PostMapping("/no_page/unread/{roomId}")
    @ApiOperation(value = "获取所有未读消息（需手动调用接口设置为已读）")
    public R<List<ImMsgEntity>> unReadMsg(@PathVariable("roomId") String roomId){
        String userId = String.valueOf(SecurityUtil.getId());
        ImRoomOperator roomOperator = roomOperatorManager.getRoomOperator(roomId);
        Set<String> keySet = roomOperator.allUnreadMsgKey(userId);
        if(CollectionUtil.isEmpty(keySet)){
            return R.success(new ArrayList<>());
        }
        List<ImMsgEntity> result = msgService.list(new QueryWrapper<ImMsgEntity>()
                .lambda()
                .eq(ImMsgEntity::getRoomId,roomId)
                .in(ImMsgEntity::getKey,keySet));
        return R.success(result);
    }

    @PostMapping("/read")
    @ApiOperation("标记信息为已读信息")
    public R<Boolean> readMsg(@RequestBody RemarkReadVo vo){
        roomOperatorManager.getRoomOperator(vo.getRoomId())
                .readUnreadMsg(vo.getUerId(),vo.getKey());
        return R.success(true);
    }

    @PostMapping("/read/all")
    @ApiOperation("标记所有信息为已读信息")
    public R<Boolean> readAll(@RequestBody RemarkReadVo vo){
        roomOperatorManager.getRoomOperator(vo.getRoomId())
                .readUnreadMsgAll(vo.getUerId());
        return R.success(true);
    }

    @PostMapping("/read/unread")
    @ApiOperation("获取未读消息总数量")
    public R<Long> unReadCount(@RequestBody UnreadVo vo){
        if (StrUtil.isEmpty(vo.getAssistId()) && StrUtil.isEmpty(vo.getDoctorId())) {
            throw new CustomException("看护人id和医生id不能同时为空");
        }
        String userId=StrUtil.isEmpty(vo.getAssistId())?vo.getDoctorId():vo.getAssistId();
        AtomicLong result=new AtomicLong(0);
        List<ImRoomEntity> rooms = imRoomService.list(new QueryWrapper<ImRoomEntity>()
                .lambda()
                .select(ImRoomEntity::getId)
                .eq(StrUtil.isNotEmpty(vo.getAssistId()), ImRoomEntity::getAssistId, vo.getAssistId())
                .eq(StrUtil.isNotEmpty(vo.getDoctorId()), ImRoomEntity::getDoctorId, vo.getDoctorId())
                .eq(ImRoomEntity::getStatus,ImStatusEnum.SUCCESS)
        );
        if(CollectionUtil.isNotEmpty(rooms)){
            rooms.stream()
                    .map(ImRoomEntity::getId).map(roomOperatorManager::getRoomOperator)
                    .forEach(operator->{
                        result.addAndGet(operator.unReadCount(userId));
                    });
        }
        return R.success(result.get());
    }

    @Override
    public boolean isAuth() {
        return false;
    }

    @Override
    public String getPermissionPrefix() {
        return null;
    }

    @Override
    public StpLogic getStpLogin() {
        return SecurityUtil.getStpLogic();
    }
}