package org.jeecg.modules.flowable.controller;

import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.common.api.vo.Result;
import org.jeecg.modules.flowable.domain.dto.FlowTaskDto;
import org.jeecg.modules.flowable.domain.vo.FlowTaskVo;
import org.jeecg.modules.flowable.service.IFlowTaskFormService;
import org.jeecg.modules.flowable.service.IFlowTaskService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.imageio.ImageIO;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;

/**
 * <p>工作流任务管理<p>
 *
 */
@Slf4j
@RestController
@RequestMapping("/flowable/task")
public class FlowTaskController {

    @Autowired
    private IFlowTaskService flowTaskService;
    @Autowired
    private IFlowTaskFormService flowTaskFormService;
    @GetMapping(value = "/myProcess")
    public Result myProcess(@RequestParam Integer pageNum,
                            @RequestParam Integer pageSize) {
        return flowTaskService.myProcess(pageNum, pageSize);
    }

    @PostMapping(value = "/stopProcess")
    public Result stopProcess(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.stopProcess(flowTaskVo);
    }

    @PostMapping(value = "/revokeProcess")
    public Result revokeProcess(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.revokeProcess(flowTaskVo);
    }

    @GetMapping(value = "/todoList")
    public Result todoList(@RequestParam Integer pageNum,
                           @RequestParam Integer pageSize) {
        return flowTaskService.todoList(pageNum, pageSize);
    }

    @GetMapping(value = "/finishedList")
    public Result finishedList(
            @RequestParam Integer pageNum,
            @RequestParam Integer pageSize) {
        return flowTaskService.finishedList(pageNum, pageSize);
    }

/**why mod
    @ApiOperation(value = "流程历史流转记录", response = FlowTaskDto.class)
    @GetMapping(value = "/flowRecord")
    public Result flowRecord(String dataId) {
        return flowTaskService.flowRecord(dataId);
    }
    */

    @GetMapping(value = "/processVariables")
    public Result processVariables(@PathVariable(value = "taskId") String taskId) {
        return flowTaskService.processVariables(taskId);
    }

    @PostMapping(value = "/complete")
    public Result complete(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.complete(flowTaskVo);
    }

    @PostMapping(value = "/completeByDateId")
    public Result completeByDateId(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.completeByDateId(flowTaskVo);
    }

    @PostMapping(value = "/reject")
    public Result taskReject(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.taskReject(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/taskRejectByDataId")
    public Result taskRejectByDataId(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.taskRejectByDataId(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/return")
    public Result taskReturn(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.taskReturn(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/taskReturnByDataId")
    public Result taskReturnByDataId(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.taskReturnByDataId(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/returnList")
    public Result findReturnTaskList(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.findReturnTaskList(flowTaskVo);
    }

    @PostMapping(value = "/findReturnTaskListByDataId")
    public Result findReturnTaskListByDataId(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.findReturnTaskListByDataId(flowTaskVo);
    }

    @DeleteMapping(value = "/delete")
    public Result delete(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.deleteTask(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/claim")
    public Result claim(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.claim(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/unClaim")
    public Result unClaim(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.unClaim(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/delegate")
    public Result delegate(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.delegateTask(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/assign")
    public Result assign(@RequestBody FlowTaskVo flowTaskVo) {
        flowTaskService.assignTask(flowTaskVo);
        return Result.OK();
    }

    @PostMapping(value = "/nextFlowNode")
    public Result getNextFlowNode(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.getNextFlowNode(flowTaskVo);
    }

    @PostMapping(value = "/nextFlowNodeByStart")
    public Result getNextFlowNodeByStart(@RequestBody FlowTaskVo flowTaskVo) {
        return flowTaskService.getNextFlowNodeByStart(flowTaskVo);
    }

    @RequestMapping("/diagram")
    public void genProcessDiagram(HttpServletResponse response,
                                  @PathVariable("processId") String processId) {
        InputStream inputStream =  flowTaskService.diagram(processId);
        OutputStream os = null;
        BufferedImage image = null;
        try {
            image = ImageIO.read(inputStream);
            response.setContentType("image/png");
            os = response.getOutputStream();
            if (image != null) {
                ImageIO.write(image, "png", os);
            }
        }catch (Exception e) {
            e.printStackTrace();
        }finally {
            try {
                if (os != null) {
                    os.flush();
                    os.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 生成流程图
     *
     * @param procInsId 任务ID
     */
    @RequestMapping("/flowViewer")
    public Result getFlowViewer(@PathVariable("procInsId") String procInsId) {
        return Result.OK(flowTaskService.getFlowViewer(procInsId));
    }
    /**
     * 生成流程图
     *
     * @param dataId 任务数据ID
     */
    @RequestMapping("/flowViewerByDataId")
    public Result getFlowViewerByDataId(@PathVariable("dataId") String dataId) {
        return Result.OK(flowTaskService.getFlowViewerByDataId(dataId));
    }


    /**
     * 流程节点信息
     *
     * @param procInsId 流程实例id
     * @return
     */
    @GetMapping("/flowXmlAndNode")
    public Result flowXmlAndNode(@RequestParam(value = "procInsId", required = false) String procInsId,
                                     @RequestParam(value = "deployId", required = false) String deployId) {
        return flowTaskService.flowXmlAndNode(procInsId, deployId);
    }

    @GetMapping(value = "/flowFormData")
    public Result flowFormData(
            @RequestParam(value = "deployId", required = false)String deployId,
            @RequestParam(value = "taskId", required = false) String taskId)
    {
        //按照贾2025-11-11指示，只使用一个一个接口返回所有列数据
        //return flowTaskService.flowFormData(deployId);
        if(taskId==null||taskId.equals("")){
            return flowTaskService.flowFormAllData(deployId);
        }else{
            return flowTaskService.flowFormAllData(deployId,taskId);
        }

    }

    @GetMapping(value = "/flowFormAllData")
    public Result flowFormAllData(String deployId) {
        return flowTaskService.flowFormAllData(deployId);
    }

    @GetMapping(value = "/flowRecord")
    public Result flowRecord(String procInsId, String deployId) {
        return flowTaskService.flowRecord(procInsId, deployId);
    }

    @GetMapping(value = "/getNextFlowNodeType")
    public Result getNextFlowNodeType(
             @RequestParam String taskId) {
        return flowTaskService.getNextFlowNodeType(taskId);
    }

    @GetMapping("/findFlowFormVal")
    public Result findFlowFormVal(@RequestParam(value = "taskId", required = false) String taskId) throws Exception {
        return flowTaskFormService.findFlowFormVal(taskId);
    }

    /**
     * 流程节点表单
     *
     * @param taskId 流程任务编号
     * @return
     */
    @GetMapping("/flowTaskForm")
    public Result flowTaskForm(@RequestParam(value = "taskId", required = false) String taskId) throws Exception {
        return flowTaskFormService.flowTaskForm(taskId);
    }

}
