package com.qmth.distributed.print.api;


import com.qmth.boot.api.annotation.Aac;
import com.qmth.boot.api.annotation.BOOL;
import com.qmth.boot.api.constant.ApiConstant;
import com.qmth.boot.api.exception.ApiException;
import com.qmth.distributed.print.business.bean.flow.CustomFlowSaveDto;
import com.qmth.distributed.print.business.bean.params.FlowApproveParam;
import com.qmth.distributed.print.business.bean.params.FlowParam;
import com.qmth.distributed.print.business.bean.params.FlowTaskApproveParam;
import com.qmth.distributed.print.business.bean.result.FlowTaskApprovePeopleAllResult;
import com.qmth.distributed.print.business.bean.result.FlowTaskResult;
import com.qmth.distributed.print.business.entity.TFCustomFlow;
import com.qmth.distributed.print.business.service.ActivitiService;
import com.qmth.distributed.print.business.service.TFCustomFlowListService;
import com.qmth.distributed.print.business.service.TFCustomFlowService;
import com.qmth.teachcloud.common.contant.SystemConstant;
import com.qmth.teachcloud.common.entity.BasicSchool;
import com.qmth.teachcloud.common.entity.SysUser;
import com.qmth.teachcloud.common.enums.ExceptionResultEnum;
import com.qmth.teachcloud.common.enums.FlowStatusEnum;
import com.qmth.teachcloud.common.service.CommonCacheService;
import com.qmth.teachcloud.common.util.*;
import io.swagger.annotations.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.validation.Valid;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * <p>
 * 自定义流程表 前端控制器
 * </p>
 *
 * @author wangliang
 * @since 2022-01-21
 */
@Api(tags = "自定义流程Controller")
@RestController
@RequestMapping(ApiConstant.DEFAULT_URI_PREFIX + "/${prefix.url.customFlow}")
@Aac(auth = BOOL.FALSE, strict = BOOL.FALSE)
@Validated
public class TFCustomFlowController {
    private final static Logger log = LoggerFactory.getLogger(TFCustomFlowController.class);

    @Resource
    TFCustomFlowService tfCustomFlowService;

    @Resource
    RedisUtil redisUtil;

    @Resource
    ActivitiService activitiService;

    @Resource
    CommonCacheService commonCacheService;

    @Resource
    TFCustomFlowListService tfCustomFlowListService;

    @ApiOperation(value = "保存和发布流程")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/save", method = RequestMethod.POST)
    @Transactional
    public Result save(@Valid @RequestBody CustomFlowSaveDto customFlowSaveDto, BindingResult bindingResult) throws NoSuchAlgorithmException {
        if (bindingResult.hasErrors()) {
            return ResultUtil.error(bindingResult.getAllErrors().get(0).getDefaultMessage());
        }
        SysUser sysUser = (SysUser) ServletUtil.getRequestUser();
        customFlowSaveDto.setSchoolAndOrgInfo(sysUser.getSchoolId(), sysUser.getOrgId());
        String flowBpmnId = MD5Util.encoder(customFlowSaveDto.toString());
        BasicSchool basicSchool = commonCacheService.schoolCache(customFlowSaveDto.getSchoolId());
        flowBpmnId = basicSchool.getCode() + "_" + flowBpmnId;
        boolean lock = redisUtil.lock(SystemConstant.REDIS_LOCK_CUSTOM_FLOW_PREFIX + flowBpmnId, SystemConstant.REDIS_LOCK_CUSTOM_FLOW_TIME_OUT);
        if (!lock) {
            throw ExceptionResultEnum.ERROR.exception("正在发布中，请稍候再试！");
        }
        try {
            TFCustomFlow dbTfCustomFlow = tfCustomFlowService.findMaxVersion(customFlowSaveDto.getSchoolId(), customFlowSaveDto.getOrgId(), customFlowSaveDto.getType());
            TFCustomFlow tfCustomFlow = new TFCustomFlow(customFlowSaveDto.getSchoolId(), customFlowSaveDto.getOrgId(), customFlowSaveDto.getName(), customFlowSaveDto.getType(), customFlowSaveDto.getPublish(), JacksonUtil.parseJson(customFlowSaveDto.getCustomFlowLists()), sysUser.getId(), flowBpmnId);
            AtomicInteger atomicInteger = null;
            if (Objects.isNull(dbTfCustomFlow)) {//新增
                atomicInteger = new AtomicInteger(1);
                tfCustomFlow.setVersion(atomicInteger.get());
            } else {//版本号递增
                atomicInteger = new AtomicInteger(dbTfCustomFlow.getVersion());
                tfCustomFlow.setVersion(atomicInteger.incrementAndGet());
            }
            //自定义流程处理开始
            Map<String, Object> map = activitiService.dynamicBuildBpmn(customFlowSaveDto, flowBpmnId);
            tfCustomFlow.setFlowProcessVar(JacksonUtil.parseJson(map));
            tfCustomFlowService.save(tfCustomFlow);
        } catch (Exception e) {
            log.error(SystemConstant.LOG_ERROR, e);
            if (e instanceof ApiException) {
                ResultUtil.error((ApiException) e, e.getMessage());
            } else {
                ResultUtil.error(e.getMessage());
            }
        } finally {
            redisUtil.releaseLock(SystemConstant.REDIS_LOCK_CUSTOM_FLOW_PREFIX + flowBpmnId);
        }
        return ResultUtil.ok(true);
    }

    @ApiOperation(value = "测试启动流程")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/testStart", method = RequestMethod.POST)
    @Transactional
    public Result testStart(@ApiParam(value = "命题任务id", required = true) @RequestParam String taskId,
                            @ApiParam(value = "命题老师id", required = true) @RequestParam String approveId) {
        activitiService.customFlowStart(SystemConstant.convertIdToLong(taskId), SystemConstant.convertIdToLong(approveId));
        return ResultUtil.ok(true);
    }

    @ApiOperation(value = "审批流程")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/task/approve", method = RequestMethod.POST)
    public Result taskApprove(@Valid @RequestBody FlowTaskApproveParam flowTaskApproveParam, BindingResult bindingResult) {
        if (bindingResult.hasErrors()) {
            return ResultUtil.error(bindingResult.getAllErrors().get(0).getDefaultMessage());
        }
        Map<String, Object> map = new HashMap<>();
        map.computeIfAbsent(SystemConstant.FLOW_TASK_ID, v -> flowTaskApproveParam.getTaskId());
        map.computeIfAbsent(SystemConstant.APPROVE_OPERATION, v -> flowTaskApproveParam.getApprovePass());
        map.computeIfAbsent(SystemConstant.APPROVE_REMARK, v -> flowTaskApproveParam.getRemark());
        map.computeIfAbsent(SystemConstant.APPROVE_SETUP, v -> flowTaskApproveParam.getSetup());
        map.computeIfAbsent(SystemConstant.APPROVE_USER_IDS, v -> flowTaskApproveParam.getApproveUserIds());
        Map<String, Object> objectMap = activitiService.taskApprove(map);
//        if (Objects.nonNull(objectMap)) {
//            TFFlowApprove tfFlowApprove = (TFFlowApprove) objectMap.get("tfFlowApprove");
//            ExamTask examTask = (ExamTask) objectMap.get("examTask");
//            boolean presidentApprove = Objects.nonNull(objectMap.get(SystemConstant.APPROVE_PRESIDENT_SYSTEM)) ? (boolean) objectMap.get(SystemConstant.APPROVE_PRESIDENT_SYSTEM) : false;
//            //审核通过，生成pdf
//            if (Objects.nonNull(tfFlowApprove) && FlowApproveSetupEnum.FINISH.getSetup() == tfFlowApprove.getSetup()) {
//                // 取命题老师ID
//                SysUser sysUser = sysUserService.getById(examTask.getUserId());
//                try {
//                    printCommonService.checkData(examTask.getSchoolId(), examTask.getCourseCode(), examTask.getPaperNumber(), sysUser);
//                } catch (IOException e) {
//                    throw ExceptionResultEnum.ERROR.exception("生成pdf失败");
//                }
//            } else if (Objects.nonNull(tfFlowApprove) && FlowApproveSetupEnum.THREE_APPROVE.getSetup() == tfFlowApprove.getSetup() && presidentApprove) {//命题老师后台提交
//                TExamTaskFlow tExamTaskFlow = tExamTaskFlowService.findByFlowLevel(examTask.getId());
//                Task task = taskService.createTaskQuery().processInstanceId(String.valueOf(tExamTaskFlow.getFlowId())).singleResult();
//                if (Objects.nonNull(task)) {
//                    Map<String, Object> mapObject = new HashMap<>();
//                    mapObject.computeIfAbsent(SystemConstant.FLOW_TASK_ID, v -> task.getId());
//                    mapObject.computeIfAbsent(SystemConstant.APPROVE_PRESIDENT_SYSTEM, v -> presidentApprove);
//                    activitiService.taskApprove(mapObject);
//                }
//            }
//
//            // 驳回短信（驳回给提交老师）
//            if (tfFlowApprove.getStatus() == FlowStatusEnum.REJECT
//                    && (tfFlowApprove.getSetup().intValue() == FlowApproveSetupEnum.SUBMIT.getSetup())
//                    || tfFlowApprove.getSetup().intValue() == FlowApproveSetupEnum.THREE_APPROVE.getSetup()) {
//                List<SysUser> sysUsers = sysUserService.listByIds(Arrays.asList(examTask.getUserId()));
//                List<ApproveUserResult> sysUserList = new Gson().fromJson(JacksonUtil.parseJson(sysUsers), new TypeToken<List<ApproveUserResult>>() {
//                }.getType());
//                basicMessageService.sendNoticeTaskAuditFlow(examTask, sysUserList, MessageEnum.NOTICE_OF_AUDIT_REJECT);
//            }
//        }
        return ResultUtil.ok();
    }

    @ApiOperation(value = "流程审批记录列表")
    @ApiResponses({@ApiResponse(code = 200, message = "流程审批记录信息", response = ResultUtil.class)})
    @RequestMapping(value = "/approve/list", method = RequestMethod.POST)
    public Result taskApproveList(@ApiParam(value = "状态", required = false) @RequestParam(required = false) FlowStatusEnum status,
                                  @ApiParam(value = "提交人名称", required = false) @RequestParam(required = false) String createUserName,
                                  @ApiParam(value = "教研室", required = false) @RequestParam(required = false) Long teachingRoomId,
                                  @ApiParam(value = "提交开始时间", required = false) @RequestParam(required = false) Long startTime,
                                  @ApiParam(value = "提交结束时间", required = false) @RequestParam(required = false) Long endTime,
                                  @ApiParam(value = "页码", required = true) @RequestParam @Min(SystemConstant.PAGE_NUMBER_MIN) Integer pageNumber,
                                  @ApiParam(value = "数量", required = true) @RequestParam @Min(SystemConstant.PAGE_SIZE_MIN) @Max(SystemConstant.PAGE_SIZE_MAX) Integer pageSize) {
        return ResultUtil.ok(true);
    }

    @ApiOperation(value = "流程列表")
    @ApiResponses({@ApiResponse(code = 200, message = "流程信息", response = ResultUtil.class)})
    @RequestMapping(value = "/list", method = RequestMethod.POST)
    public Result list(@ApiParam(value = "流程名称", required = false) @RequestParam(required = false) String name,
                       @ApiParam(value = "页码", required = true) @RequestParam @Min(SystemConstant.PAGE_NUMBER_MIN) Integer pageNumber,
                       @ApiParam(value = "数量", required = true) @RequestParam @Min(SystemConstant.PAGE_SIZE_MIN) @Max(SystemConstant.PAGE_SIZE_MAX) Integer pageSize) {
        return ResultUtil.ok(true);
    }

    @ApiOperation(value = "流程逻辑删除")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/enable", method = RequestMethod.POST)
    public Result enable(@Valid @RequestBody FlowParam flowParam, BindingResult bindingResult) {
        if (bindingResult.hasErrors()) {
            return ResultUtil.error(bindingResult.getAllErrors().get(0).getDefaultMessage());
        }
        return ResultUtil.ok(activitiService.flowDelete(flowParam.getId()));
    }

    @ApiOperation(value = "流程审批记录逻辑删除")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/approve/enable", method = RequestMethod.POST)
    public Result enable(@Valid @RequestBody FlowApproveParam flowApproveParam, BindingResult bindingResult) {
        if (bindingResult.hasErrors()) {
            return ResultUtil.error(bindingResult.getAllErrors().get(0).getDefaultMessage());
        }
        return ResultUtil.ok(true);
    }

    @ApiOperation(value = "流程终止")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/end", method = RequestMethod.POST)
    public Result end(@ApiParam(value = "流程id", required = true) @RequestParam String flowId) {
        activitiService.flowEnd(flowId);
        return ResultUtil.ok();
    }

    @ApiOperation(value = "获取所有流程节点")
    @ApiResponses({@ApiResponse(code = 200, message = "流程节点", response = FlowTaskResult.class)})
    @RequestMapping(value = "/task/all", method = RequestMethod.POST)
    public Result taskAll(@ApiParam(value = "流程id", required = true) @RequestParam String flowId) {
        return ResultUtil.ok(activitiService.getTaskAll(flowId));
    }

    @ApiOperation(value = "获取所有流程节点待审批人")
    @ApiResponses({@ApiResponse(code = 200, message = "流程节点待审批人", response = FlowTaskApprovePeopleAllResult.class)})
    @RequestMapping(value = "/task/approver/people_all", method = RequestMethod.POST)
    public Result taskApproverPeopleAll(@ApiParam(value = "课程编码", required = false) @RequestParam(required = false) String courseCode,
                                        @ApiParam(value = "流程节点id", required = false) @RequestParam(required = false) String taskId) {
        return ResultUtil.ok(activitiService.taskApproverPeopleAll(courseCode, taskId));
    }

    @ApiOperation(value = "流程节点转他人审批")
    @ApiResponses({@ApiResponse(code = 200, message = "常规信息", response = ResultUtil.class)})
    @RequestMapping(value = "/task/approver/exchange", method = RequestMethod.POST)
    public Result taskApproverExchange(@ApiParam(value = "审批人id", required = true) @RequestParam String userId,
                                       @ApiParam(value = "流程节点id", required = true) @RequestParam String taskId) {
        return ResultUtil.ok(activitiService.taskApproverExchange(userId, taskId));
    }

    @ApiOperation(value = "获取转他人审批人")
    @ApiResponses({@ApiResponse(code = 200, message = "流程节点审批人", response = FlowTaskApprovePeopleAllResult.class)})
    @RequestMapping(value = "/task/approver/exchange/people", method = RequestMethod.POST)
    public Result taskApproverExchangePeople(@ApiParam(value = "流程节点id", required = true) @RequestParam String taskId,
                                             @ApiParam(value = "用户姓名", required = false) @RequestParam(required = false) String realName) {
        return ResultUtil.ok(activitiService.taskApproverExchangePeople(taskId, realName));
    }
}