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.entity.TFCustomFlow;
import com.qmth.distributed.print.business.service.ActivitiService;
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.service.CommonCacheService;
import com.qmth.teachcloud.common.util.*;
import io.swagger.annotations.*;
import org.activiti.engine.TaskService;
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 java.security.NoSuchAlgorithmException;
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;

    @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 {
            Integer dbVersion = 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(dbVersion)) {//新增
                atomicInteger = new AtomicInteger(1);
                tfCustomFlow.setVersion(atomicInteger.get());
            } else {//版本号递增
                atomicInteger = new AtomicInteger(dbVersion);
                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));
            tfCustomFlow.setActFlowId((String) map.get(SystemConstant.PROCESS_DEFINITION_ID));
            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);
    }

    @Resource
    TaskService taskService;

    @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 = "流程id", required = true) @RequestParam String id) {
        SysUser sysUser = (SysUser) ServletUtil.getRequestUser();
        activitiService.customFlowStartUpdateApproveId(SystemConstant.convertIdToLong(id), sysUser.getId());
        return ResultUtil.ok(true);
    }
}