package cn.palmte.work.service;

import cn.palmte.work.bean.ApproveStatusEnum;
import cn.palmte.work.config.activiti.ActConstant;
import cn.palmte.work.model.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.HashMap;

/**
 * @author xiongshiyan at 2021/10/29 , contact me with email yanshixiong@126.com or phone 15208384257
 */
@Service
public class ProjectInstanceService {
    @Autowired
    private ProjectRepository projectRepository;
    @Autowired
    private AdminService adminService;
    @Autowired
    private ActProcInsService actProcInsService;
    @Autowired
    private ProjectInstanceRelationRepository projectInstanceRelationRepository;


    /**
     * 开启一个概算流程实例
     */
    public void startEstimateProcessInstance(Project p, Admin admin) throws Exception {
        startProcess(p, admin, ActConstant.PROCESS_DEFKEY_ESTIMATE);
    }
    /**
     * 开启一个预算流程实例
     */
    public void startBudgetProcessInstance(Project p, Admin admin) throws Exception {
        startProcess(p, admin, ActConstant.PROCESS_DEFKEY_BUDGET);
    }
    /**
     * 开启一个结算流程实例
     */
    public void startSettleProcessInstance(Project p, Admin admin) throws Exception {
        startProcess(p, admin, ActConstant.PROCESS_DEFKEY_SETTLE);
    }
    /**
     * 开启一个决算流程实例
     */
    public void startFinalProcessInstance(Project p, Admin admin) throws Exception {
        startProcess(p, admin, ActConstant.PROCESS_DEFKEY_FINAL);
    }

    private void startProcess(Project p, Admin admin, String processDefkey) throws Exception {
        HashMap<String, Object> variables = new HashMap<>();
        variables.put(ActConstant.START_PROCESS_USERID, admin.getId());
        variables.put(ActConstant.KEY_PROJECT_ID, p.getId());
        variables.put(ActConstant.KEY_PROJECT_TYPE, p.getType());

        String processInstanceId = actProcInsService.startProcessInstance(processDefkey, variables);

        //保存流程实例id与项目的关联关系
        ProjectInstanceRelation relation = new ProjectInstanceRelation();
        relation.setProjectId(p.getId());
        relation.setProcessType(processDefkey);
        relation.setProcessInsId(processInstanceId);
        relation.setCreateTime(new Date());
        projectInstanceRelationRepository.saveAndFlush(relation);
    }

    /**
     * 更新审批人，用于在任务监听器中更新下个审批人
     * @param projectId 项目id
     * @param adminId 审批人id
     */
    public void updateApprover(int projectId, int adminId){
        Project project = projectRepository.findOne(projectId);
        Admin admin = adminService.getAdminById(adminId);
        project.setApproveId(adminId);
        project.setApproveName(admin.getUserName());
        project.setLastUpdateTime(new Date());
        projectRepository.saveAndFlush(project);
    }

    /**
     * 更新对应审批状态
     * @param projectId 项目id
     * @param approveStatusEnum 审批状态 1待审核，2审核通过，3审核不通过
     * @see ApproveStatusEnum
     * @param processKey 审批类型
     * @see ActConstant#PROCESS_DEFKEY_ESTIMATE
     * @see ActConstant#PROCESS_DEFKEY_BUDGET
     * @see ActConstant#PROCESS_DEFKEY_SETTLE
     * @see ActConstant#PROCESS_DEFKEY_FINAL
     */
    public void updateApproveStatus(int projectId, ApproveStatusEnum approveStatusEnum, String processKey){
        Project project = projectRepository.findOne(projectId);
        if(ActConstant.PROCESS_DEFKEY_ESTIMATE.equals(processKey)){
            project.setApproveStatusEstimate(approveStatusEnum.getApproveStatus());
        }else if(ActConstant.PROCESS_DEFKEY_BUDGET.equals(processKey)){
            project.setApproveStatusBudget(approveStatusEnum.getApproveStatus());
        }else if(ActConstant.PROCESS_DEFKEY_SETTLE.equals(processKey)){
            project.setApproveStatusSettle(approveStatusEnum.getApproveStatus());
        }else if(ActConstant.PROCESS_DEFKEY_FINAL.equals(processKey)){
            project.setApproveStatusFinal(approveStatusEnum.getApproveStatus());
        }

        project.setLastUpdateTime(new Date());
        projectRepository.saveAndFlush(project);
    }
}