package org.springblade.mdm.flow.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.mail.MessagingException;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.flowable.engine.HistoryService;
import org.flowable.engine.TaskService;
import org.flowable.engine.task.Comment;
import org.flowable.task.api.history.HistoricTaskInstance;
import org.springblade.core.excel.util.ExcelUtil;
import org.springblade.core.mp.support.Condition;
import org.springblade.core.mp.support.Query;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.utils.DateUtil;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.UrlUtil;
import org.springblade.mdm.flow.service.*;
import org.springblade.mdm.flow.vo.FlowVO;
import org.springblade.mdm.flow.vo.OvertimeTaskExcelVO;
import org.springblade.mdm.flow.vo.TaskTraceVO;
import org.springblade.system.feign.IUserClient;
import org.springblade.system.pojo.entity.User;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/flow/mgr")
@Tag(name = "流程管理", description = "流程管理")
public class FlowMgrController {
	@Autowired
	private TaskService taskService;
	@Autowired
	private FlowBusinessService businessService;
	@Autowired
	private FlowCommonService flowCommonService;
	@Autowired
	private HistoryService historyService;

	@Autowired
	private ProgramConfirmTableService programConfirmTableService;
	@Autowired
	private IUserClient userClient;
	@Autowired
	private WIthdrawService withdrawService;


	@GetMapping("overtime-list")
	@ApiOperationSupport(order = 3)
	@Operation(summary = "超时查询", description = "查询所有超时任务")
	public R<IPage<FlowVO>> overtimeList(@Parameter(description = "任务到达时间开始") LocalDate createTimeBegin, @Parameter(description = "任务到达时间截止")LocalDate createTimeEnd, @Parameter(description = "执行人员") String assigneeName, @Parameter(description = "关键字") String keyword, Query query) {
		IPage<FlowVO> pages = businessService.selectOvertimePage(Condition.getPage(query), createTimeBegin,createTimeEnd,assigneeName,keyword);
		return R.data(pages);
	}
	@GetMapping("overtime-export")
	@ApiOperationSupport(order = 3)
	@Operation(summary = "超时导出", description = "超时任务导出")
	public void overtimeExport(@Parameter(description = "任务到达时间开始") LocalDate createTimeBegin, @Parameter(description = "任务到达时间截止")LocalDate createTimeEnd, @Parameter(description = "执行人员") String assigneeName, @Parameter(description = "关键字") String keyword, Query query, HttpServletResponse response) {
		query.setCurrent(1);
		query.setSize(Integer.MAX_VALUE);
		IPage<FlowVO> pages = businessService.selectOvertimePage(Condition.getPage(query), createTimeBegin,createTimeEnd,assigneeName,keyword);

		List<OvertimeTaskExcelVO> list = new ArrayList<>();
		pages.getRecords().forEach(data ->{
			//data.get
			OvertimeTaskExcelVO excelVO = new OvertimeTaskExcelVO();
			BeanUtils.copyProperties(data, excelVO);

			list.add(excelVO);
		});

		ExcelUtil.export(response, "超时任务" + DateUtil.time(), "超时任务表", list, OvertimeTaskExcelVO.class);
	}


	@Operation(summary = "流程执行轨迹", description = "流程执行轨迹/审批记录")
	@GetMapping("process-trace")
	public R<List<TaskTraceVO>> processTrace(String processInstanceId){
		/*
		List<ApproveRecord> records = approveRecordService.lambdaQuery().eq(ApproveRecord::getProcessInstanceId,processInstanceId).orderByAsc(ApproveRecord::getCreateTime).list();
		List<TaskTraceVO> result = new ArrayList<>();

		for (ApproveRecord record : records) {
			TaskTraceVO vo = new TaskTraceVO();
			vo.setComment(record.getComment());
			vo.setCreateTime(record.getCreateTime());
			vo.setAssigneeName(record.getUserNickname());

			//vo.setEndTime();
		}*/

		List<TaskTraceVO> result = new ArrayList<>();
		List<HistoricTaskInstance> hisTasks = historyService.createHistoricTaskInstanceQuery()
			.processInstanceId(processInstanceId).orderByTaskCreateTime().desc().list();
// 批注信息
		List<Comment> comments;
		for (HistoricTaskInstance hisTask : hisTasks) {
			TaskTraceVO vo = new TaskTraceVO();
			BeanUtils.copyProperties(hisTask, vo);
			comments = taskService.getTaskComments(hisTask.getId());
			if(!comments.isEmpty()) {
				vo.setComment(comments.get(0).getFullMessage());
			}

			vo.setTaskName(hisTask.getName());

			R<User> assigneeObj = userClient.userInfoById(Func.toLong(hisTask.getAssignee()));
			if(assigneeObj.isSuccess()) {
				vo.setAssigneeName(assigneeObj.getData().getName());
			}

			result.add(vo);
		}

		return R.data(result);
	}

	@GetMapping("search-list")
	@ApiOperationSupport(order = 3)
	@Operation(summary = "流程查询", description = "查询进行中的所有流程")
	public R<IPage<FlowVO>> searchList(@Parameter(description = "流程名称")String myProcessName, @Parameter(description = "流程时间开始") @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")LocalDate createTimeBegin, @Parameter(description = "流程创建时间截止")@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")LocalDate createTimeEnd, @Parameter(description = "关键字") String keyword, Query query) {
		IPage<FlowVO> pages = businessService.selectSearchPage(Condition.getPage(query),myProcessName,keyword, createTimeBegin,createTimeEnd);
		return R.data(pages);
	}

	@GetMapping("finished-list")
	@ApiOperationSupport(order = 3)
	@Operation(summary = "历史流程查询", description = "查询已完结的所有流程")
	public R<IPage<FlowVO>> finishedList(@Parameter(description = "流程名称")String myProcessName, @Parameter(description = "流程创建时间开始") LocalDateTime createTimeBegin, @Parameter(description = "流程创建时间截止") LocalDateTime createTimeEnd, @Parameter(description = "关键字") String keyword, Query query) {
		IPage<FlowVO> pages = businessService.selectFinishedPage(Condition.getPage(query), myProcessName,keyword,createTimeBegin,createTimeEnd);
		return R.data(pages);
	}

	@GetMapping("exception-list")
	@ApiOperationSupport(order = 3)
	@Operation(summary = "异常流程查询", description = "查询已完结的，异常流程")
	public R<IPage<FlowVO>> exceptionList(@Parameter(description = "流程名称")String myProcessName, @Parameter(description = "流程创建时间开始") LocalDateTime createTimeBegin, @Parameter(description = "流程创建时间截止") LocalDateTime createTimeEnd, @Parameter(description = "关键字") String keyword, Query query) {
		IPage<FlowVO> pages = businessService.selectExceptionPage(Condition.getPage(query), myProcessName,keyword,createTimeBegin,createTimeEnd);
		return R.data(pages);
	}

	@PostMapping("delete-instance")
	@Operation(summary = "流程删除", description = "删除id指定的流程实例")
	public R<Void> deleteInstance(@Parameter(description = "任务到达时间开始") String processInstanceId) {
		try {
			businessService.deleteProcessInstance(processInstanceId);

		} catch (Exception e) {
			log.error("删除流程失败",e);
			return R.fail(e.getMessage());
		}
		return R.success();
	}



	@PostMapping("/export-confirm-table")
	@Operation(summary = "导出确认表", description = "导出数控程序确认表pdf")
	public void exportConfirmTable(String processInstanceId, HttpServletResponse response) {

		try {
			FlowProgramProperties props = flowCommonService.getProgramPropertiesFromHis(processInstanceId);
			String progName = props.getDrawingNo()+"-"+props.getProcessNo()+"-"+props.getProcessEdition();
			String filename = UrlUtil.encode("数控程序确认表"+progName)+".pdf";
			response.setHeader("Content-Disposition", "attachment; filename="+filename);
			response.setContentType("application/octet-stream");
			programConfirmTableService.exportConfirmTable(props,response.getOutputStream());
		} catch (Exception e) {
			log.error("导出数控程序确认表pdf异常", e);
			throw new RuntimeException(e);
		}

	}

	@GetMapping("/withdraw")
	@Operation(summary = "撤回任务", description = "从其他任务节点直接撤回编程员节点")
	public R<Void> withdraw(String processInstanceId)  {
		try {
			withdrawService.withdraw(processInstanceId);
			return R.success();
		}catch(Exception e) {
			log.error("<UNK>", e);
			return R.fail(e.getMessage());
		}
	}
}