package com.mindskip.xzs.controller.admin;

import com.mindskip.xzs.base.BaseApiController;
import com.mindskip.xzs.base.RestResponse;
import com.mindskip.xzs.domain.ExamPaperAnswer;
import com.mindskip.xzs.domain.Subject;
import com.mindskip.xzs.domain.User;
import com.mindskip.xzs.domain.UserEventLog;
import com.mindskip.xzs.domain.enums.ExamPaperAnswerStatusEnum;
import com.mindskip.xzs.event.UserEvent;
import com.mindskip.xzs.service.*;
import com.mindskip.xzs.utility.DateTimeUtil;
import com.mindskip.xzs.utility.ExamUtil;
import com.mindskip.xzs.utility.PageInfoHelper;
import com.mindskip.xzs.viewmodel.admin.exam.ExamPaperEditRequestVM;
import com.mindskip.xzs.viewmodel.student.exam.ExamPaperReadVM;
import com.mindskip.xzs.viewmodel.student.exam.ExamPaperSubmitVM;
import com.mindskip.xzs.viewmodel.student.exampaper.ExamPaperAnswerPageResponseVM;
import com.mindskip.xzs.viewmodel.student.exampaper.ExamPaperSubmitResult;
import com.mindskip.xzs.viewmodel.admin.paper.ExamPaperAnswerPageRequestVM;
import com.github.pagehelper.PageInfo;
import lombok.AllArgsConstructor;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.Date;

/**
 * @version 2.2.0
 * @description: 成绩管理
 * Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
 * @date 2021 /9/7 9:45
 */
@RestController("AdminExamPaperAnswerController")
@RequestMapping(value = "/api/admin/examPaperAnswer")
@AllArgsConstructor
public class ExamPaperAnswerController extends BaseApiController {

    private final ExamPaperAnswerService examPaperAnswerService;
    private final SubjectService subjectService;
    private final ClassesService classesService;
    private final UserService userService;
    private final ExamPaperService examPaperService;
    private final ApplicationEventPublisher eventPublisher;

    /**
     * 待批改答卷分页
     *
     * @param model the model
     * @return the rest response
     */
    @RequestMapping(value = "/page/judge", method = RequestMethod.POST)
    public RestResponse<PageInfo<ExamPaperAnswerPageResponseVM>> pageJudgeList(@RequestBody ExamPaperAnswerPageRequestVM model) {
        PageInfo<ExamPaperAnswerPageResponseVM> page = pageList(model, ExamPaperAnswerStatusEnum.WaitJudge);
        return RestResponse.ok(page);
    }

    /**
     * 已完成答卷分页
     *
     * @param model the model
     * @return the rest response
     */
    @RequestMapping(value = "/page/complete", method = RequestMethod.POST)
    public RestResponse<PageInfo<ExamPaperAnswerPageResponseVM>> pageCompleteList(@RequestBody ExamPaperAnswerPageRequestVM model) {
        PageInfo<ExamPaperAnswerPageResponseVM> page = pageList(model, ExamPaperAnswerStatusEnum.Complete);
        return RestResponse.ok(page);
    }


    /**
     * 答卷批改
     *
     * @param examPaperSubmitVM the exam paper submit vm
     * @return the rest response
     */
    @RequestMapping(value = "/edit", method = RequestMethod.POST)
    public RestResponse edit(@RequestBody @Valid ExamPaperSubmitVM examPaperSubmitVM) {
        boolean notJudge = examPaperSubmitVM.getAnswerItems().stream().anyMatch(i -> i.getDoRight() == null && i.getScore() == null);
        if (notJudge) {
            return RestResponse.fail(2, "有未批改题目");
        }

        ExamPaperAnswer examPaperAnswer = examPaperAnswerService.selectById(examPaperSubmitVM.getId());
        ExamPaperAnswerStatusEnum examPaperAnswerStatusEnum = ExamPaperAnswerStatusEnum.fromCode(examPaperAnswer.getStatus());
        if (examPaperAnswerStatusEnum == ExamPaperAnswerStatusEnum.Complete) {
            return RestResponse.fail(3, "答卷已完成");
        }
        ExamPaperSubmitResult examPaperSubmitResult = examPaperAnswerService.judge(examPaperSubmitVM, getCurrentUser());
        User user = getCurrentUser();
        UserEventLog userEventLog = new UserEventLog(user.getId(), user.getUserName(), user.getRealName(), new Date());
        String content = user.getUserName() + " 批改答卷：" + examPaperAnswer.getPaperName() + " 得分：" + examPaperSubmitResult.getMessage();
        userEventLog.setContent(content);
        eventPublisher.publishEvent(new UserEvent(userEventLog));
        return RestResponse.ok(examPaperSubmitResult.getMessage());
    }

    /**
     * 答卷查看
     *
     * @param id the id
     * @return the rest response
     */
    @RequestMapping(value = "/read/{id}", method = RequestMethod.POST)
    public RestResponse<ExamPaperReadVM> read(@PathVariable Integer id) {
        ExamPaperAnswer examPaperAnswer = examPaperAnswerService.selectById(id);
        ExamPaperReadVM vm = new ExamPaperReadVM();
        ExamPaperEditRequestVM paper = examPaperService.examPaperToVM(examPaperAnswer.getExamPaperId());
        ExamPaperSubmitVM answer = examPaperAnswerService.examPaperAnswerToVM(examPaperAnswer.getId());
        User createUser = userService.selectById(examPaperAnswer.getCreateUser());
        answer.setCreateUser(createUser.getUserName());
        vm.setPaper(paper);
        vm.setAnswer(answer);
        return RestResponse.ok(vm);
    }


    private PageInfo<ExamPaperAnswerPageResponseVM> pageList(ExamPaperAnswerPageRequestVM model, ExamPaperAnswerStatusEnum examPaperAnswerStatusEnum) {
        model.setStatus(examPaperAnswerStatusEnum.getCode());
        PageInfo<ExamPaperAnswer> pageInfo = examPaperAnswerService.adminPage(model);
        return PageInfoHelper.copyMap(pageInfo, e -> {
            ExamPaperAnswerPageResponseVM vm = modelMapper.map(e, ExamPaperAnswerPageResponseVM.class);
            Subject subject = subjectService.selectById(vm.getSubjectId());
            vm.setDoTime(ExamUtil.secondToVM(e.getDoTime()));
            vm.setSystemScore(ExamUtil.scoreToVM(e.getSystemScore()));
            vm.setUserScore(ExamUtil.scoreToVM(e.getUserScore()));
            vm.setPaperScore(ExamUtil.scoreToVM(e.getPaperScore()));
            vm.setSubjectName(subject.getName());
            vm.setCreateTime(DateTimeUtil.dateFormat(e.getCreateTime()));
            User user = userService.selectById(e.getCreateUser());
            vm.setUserName(user.getUserName());
            return vm;
        });
    }


}