package com.mindskip.xzs.controller.student;


import com.mindskip.xzs.base.BaseApiController;
import com.mindskip.xzs.base.RestResponse;
import com.mindskip.xzs.configuration.property.SystemConfig;
import com.mindskip.xzs.domain.Classes;
import com.mindskip.xzs.domain.User;
import com.mindskip.xzs.domain.UserEventLog;
import com.mindskip.xzs.event.UserEvent;
import com.mindskip.xzs.service.ClassesService;
import com.mindskip.xzs.service.enums.ResultEnum;
import com.mindskip.xzs.viewmodel.student.user.UserTeamVM;
import lombok.AllArgsConstructor;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import javax.validation.constraints.NotBlank;
import java.io.IOException;
import java.util.Date;

/**
 * @version 2.2.0
 * @description: 班级
 * Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
 * @date 2021 /9/7 9:45
 */
@RestController("StudentClassesController")
@RequestMapping(value = "/api/student/classes")
@AllArgsConstructor
public class ClassesController extends BaseApiController {

    private final ApplicationEventPublisher eventPublisher;
    private final ClassesService classesService;

    /**
     * 加入班级
     *
     * @param userTeamVM the user team vm
     * @return the rest response
     */
    @RequestMapping(value = "/join", method = RequestMethod.POST)
    public RestResponse join(@RequestBody @Valid UserTeamVM userTeamVM) {
        User user = getCurrentUser();
        Classes classes = classesService.selectClassesByUid(userTeamVM.getClassUid());
        if (null == classes) {
            return RestResponse.fail(2, "未能找班级");
        }
        ResultEnum resultEnum = classesService.joinClasses(user, classes);
        if (resultEnum == ResultEnum.SUCCESS) {
            UserEventLog userEventLog = new UserEventLog(user.getId(), user.getUserName(), user.getRealName(), new Date());
            userEventLog.setContent(user.getUserName() + " 加入了班级 " + classes.getName());
            eventPublisher.publishEvent(new UserEvent(userEventLog));
        }
        return RestResponse.ok();
    }

}