package org.sky.flow.core.feign;

import org.sky.core.launch.constant.AppConstant;
import org.sky.core.tool.api.R;
import org.sky.flow.core.pojo.entity.KdFlow;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.Map;

/**
 * 工作流远程调用接口.
 *
 */
@FeignClient(
	value = AppConstant.APPLICATION_FLOW_NAME,
	fallback = IFlowClientFallback.class
)
public interface IFlowClient {

	String API_PREFIX = "/feign/client/flow";
	String START_PROCESS_INSTANCE_BY_ID = API_PREFIX + "/start-process-instance-by-id";
	String START_PROCESS_INSTANCE_BY_KEY = API_PREFIX + "/start-process-instance-by-key";
	String COMPLETE_TASK = API_PREFIX + "/complete-task";
	String TASK_VARIABLE = API_PREFIX + "/task-variable";
	String TASK_VARIABLES = API_PREFIX + "/task-variables";

	/**
	 * 开启流程
	 *
	 * @param processDefinitionId 流程id
	 * @param businessKey         业务key
	 * @param variables           参数
	 * @return KdFlow
	 */
	@PostMapping(START_PROCESS_INSTANCE_BY_ID)
	R<KdFlow> startProcessInstanceById(@RequestParam("processDefinitionId") String processDefinitionId, @RequestParam("businessKey") String businessKey, @RequestBody Map<String, Object> variables);

	/**
	 * 开启流程
	 *
	 * @param processDefinitionKey 流程标识
	 * @param businessKey          业务key
	 * @param variables            参数
	 * @return KdFlow
	 */
	@PostMapping(START_PROCESS_INSTANCE_BY_KEY)
	R<KdFlow> startProcessInstanceByKey(@RequestParam("processDefinitionKey") String processDefinitionKey, @RequestParam("businessKey") String businessKey, @RequestBody Map<String, Object> variables);

	/**
	 * 完成任务
	 *
	 * @param taskId            任务id
	 * @param processInstanceId 流程实例id
	 * @param comment           评论
	 * @param variables         参数
	 * @return R
	 */
	@PostMapping(COMPLETE_TASK)
	R completeTask(@RequestParam("taskId") String taskId, @RequestParam("processInstanceId") String processInstanceId, @RequestParam("comment") String comment, @RequestBody Map<String, Object> variables);

	/**
	 * 获取流程变量
	 *
	 * @param taskId       任务id
	 * @param variableName 变量名
	 * @return R
	 */
	@GetMapping(TASK_VARIABLE)
	R<Object> taskVariable(@RequestParam("taskId") String taskId, @RequestParam("variableName") String variableName);

	/**
	 * 获取流程变量集合
	 *
	 * @param taskId 任务id
	 * @return R
	 */
	@GetMapping(TASK_VARIABLES)
	R<Map<String, Object>> taskVariables(@RequestParam("taskId") String taskId);
}
