package com.mindskip.xzs.controller.wechat.student;

import com.mindskip.xzs.base.RestResponse;
import com.mindskip.xzs.controller.wechat.BaseWechatApiController;
import com.mindskip.xzs.domain.ExamPaper;
import com.mindskip.xzs.domain.Subject;
import com.mindskip.xzs.domain.enums.ExamPaperTypeEnum;
import com.mindskip.xzs.service.ClassesService;
import com.mindskip.xzs.service.ExamPaperService;
import com.mindskip.xzs.service.SubjectService;
import com.mindskip.xzs.utility.DateTimeUtil;
import com.mindskip.xzs.utility.PageInfoHelper;
import com.mindskip.xzs.viewmodel.admin.exam.ExamPaperEditRequestVM;
import com.mindskip.xzs.viewmodel.student.exam.ExamPaperPageResponseVM;
import com.mindskip.xzs.viewmodel.student.exam.ExamPaperPageVM;
import com.github.pagehelper.PageInfo;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;


/**
 * @version 2.2.0
 * @description: 试卷
 * Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
 * @date 2021 /9/7 9:45
 */
@Controller("WechatStudentExamController")
@RequestMapping(value = "/api/wx/student/exampaper")
@AllArgsConstructor
@ResponseBody
public class ExamPaperController extends BaseWechatApiController {

    private final ExamPaperService examPaperService;
    private final SubjectService subjectService;
    private final ClassesService classesService;

    /**
     * 试卷查看
     *
     * @param id the id
     * @return the rest response
     */
    @RequestMapping(value = "/select/{id}", method = RequestMethod.POST)
    public RestResponse<ExamPaperEditRequestVM> select(@PathVariable Integer id) {
        ExamPaperEditRequestVM vm = examPaperService.examPaperToVM(id);
        return RestResponse.ok(vm);
    }


    /**
     * 试卷分页
     *
     * @param model the model
     * @return the rest response
     */
    @RequestMapping(value = "/pageList", method = RequestMethod.POST)
    public RestResponse<PageInfo<ExamPaperPageResponseVM>> pageList(@Valid ExamPaperPageVM model) {
        ExamPaperTypeEnum examPaperTypeEnum = ExamPaperTypeEnum.fromCode(model.getPaperType());
        model.setLevelId(getCurrentUser().getUserLevel());
        model.setDateTime(new Date());
        PageInfo<ExamPaper> pageInfo = null;
        if (examPaperTypeEnum == ExamPaperTypeEnum.Classes) {
            List<Integer> cIds = classesService.getJoinClasses(getCurrentUser().getId()).stream()
                    .map(d -> d.getClassesId()).collect(Collectors.toList());
            model.setCIds(cIds);
            pageInfo = examPaperService.studentClassesPage(model);
        } else {
            pageInfo = examPaperService.studentPage(model);
        }
        PageInfo<ExamPaperPageResponseVM> page = PageInfoHelper.copyMap(pageInfo, e -> {
            ExamPaperPageResponseVM vm = modelMapper.map(e, ExamPaperPageResponseVM.class);
            Subject subject = subjectService.selectById(vm.getSubjectId());
            vm.setSubjectName(subject.getName());
            vm.setCreateTime(DateTimeUtil.dateFormat(e.getCreateTime()));
            return vm;
        });
        return RestResponse.ok(page);
    }
}