package com.xjrsoft.module.liteflow.node;

import cn.hutool.core.convert.Convert;
import cn.hutool.db.Entity;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.xjrsoft.common.enums.WorkflowApproveType;
import com.xjrsoft.common.mybatis.SqlRunnerAdapter;
import com.xjrsoft.module.base.entity.BaseClass;
import com.xjrsoft.module.base.service.IBaseClassService;
import com.xjrsoft.module.student.entity.StudentChangeClass;
import com.xjrsoft.module.student.mapper.StudentChangeClassMapper;
import com.xjrsoft.module.student.service.IBaseStudentSchoolRollService;
import com.xjrsoft.module.student.service.IStudentChangeRecordService;
import com.xjrsoft.module.workflow.entity.WorkflowRecord;
import com.xjrsoft.module.workflow.mapper.WorkflowRecordMapper;
import com.xjrsoft.module.workflow.service.IWorkflowExecuteService;
import com.yomahub.liteflow.core.NodeComponent;
import org.apache.commons.lang.StringUtils;
import org.camunda.bpm.engine.history.HistoricProcessInstance;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.support.TransactionSynchronization;
import org.springframework.transaction.support.TransactionSynchronizationManager;

import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;

/**
 * 学生转班流程结束后，修改学生班级信息
 */
@Component("temporary_change_class_node")
public class TemporaryChangeClassNode extends NodeComponent {
    @Autowired
    private IBaseStudentSchoolRollService studentSchoolRollService;
    @Autowired
    private IBaseClassService baseClassService;

    @Autowired
    private IWorkflowExecuteService workflowExecuteService;

    @Autowired
    private WorkflowRecordMapper workflowRecordMapper;

    @Autowired
    private IStudentChangeRecordService changeRecordService;

    @Override
    public void process() throws Exception {
        // 获取表单中数据编号
        Map<String, Object> params = this.getFirstContextBean();
        Object value = util.getFormDatKey(params, "id");
        Long formId = Convert.toLong(value);
        Object processInstanceId = params.get("processInstanceId");
        if (processInstanceId == null) {
            return;
        }
        String processInstanceIdStr = Convert.toStr(processInstanceId);
        if (formId != null && StringUtils.isNotEmpty(processInstanceIdStr)) {
            TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
                @Override
                public void afterCommit() {
                    CompletableFuture.runAsync(() -> {
                        Optional<HistoricProcessInstance> historicProcessInstanceOptional = workflowExecuteService.getHistoricProcessInstance(processInstanceId.toString());

                        if (historicProcessInstanceOptional.isEmpty()) {
                            return;
                        }
                        HistoricProcessInstance historicProcessInstance = historicProcessInstanceOptional.get();
                        if (!historicProcessInstance.getState().equals(HistoricProcessInstance.STATE_ACTIVE)) {
                            // 获取流程记录中的非正常结束
                            LambdaQueryWrapper<WorkflowRecord> workflowRecordLambdaQueryWrapper = new LambdaQueryWrapper<>();
                            workflowRecordLambdaQueryWrapper
                                    .and(wq -> wq.eq(WorkflowRecord::getWorkflowApproveType, WorkflowApproveType.DISAGREE.getCode())
                                            .or()
                                            .eq(WorkflowRecord::getWorkflowApproveType, WorkflowApproveType.WITHDRAW.getCode())
                                    )
                                    .eq(WorkflowRecord::getProcessId, processInstanceId)
                            ;
                            List<WorkflowRecord> workflowRecordList = workflowRecordMapper.selectList(workflowRecordLambdaQueryWrapper);

                            if (!workflowRecordList.isEmpty()) {
                                return;
                            }
                        }

                        //查询出数据
                        String tableName = "temporary_change_class";
                        Entity where = Entity.create(tableName);
                        where.set("id", formId);
                        Map<String, Object> changeClass = SqlRunnerAdapter.db().dynamicSelectOne(tableName, where);
                        long afterClassId = Long.parseLong(changeClass.get("after_class_id").toString());
                        long studentUserId = Long.parseLong(changeClass.get("student_user_id").toString());
                        BaseClass baseClass = baseClassService.getById(afterClassId);
                        //修改学生班级
                        studentSchoolRollService.updateStudentClass(afterClassId, baseClass.getMajorSetId(), studentUserId);

                        changeRecordService.insertDataByTemporaryChangeClass(formId);
                    });
                }
            });
        }
    }
}