package com.mindskip.xzs.controller.student;

import com.mindskip.xzs.base.BaseApiController;
import com.mindskip.xzs.base.RestResponse;
import com.mindskip.xzs.domain.*;
import com.mindskip.xzs.domain.enums.ExamPaperTypeEnum;
import com.mindskip.xzs.domain.task.TaskItemAnswerObject;
import com.mindskip.xzs.domain.task.TaskItemObject;
import com.mindskip.xzs.domain.vo.ExamTemplatesUserCountVO;
import com.mindskip.xzs.domain.vo.ExamTemplatesVO;
import com.mindskip.xzs.repository.ExamPaperAnswerMapper;
import com.mindskip.xzs.repository.ExamTemplatesMapper;
import com.mindskip.xzs.repository.ExamTemplatesUserCountMapper;
import com.mindskip.xzs.repository.ExamTemplatesUserMapper;
import com.mindskip.xzs.service.*;
import com.mindskip.xzs.utility.DateTimeUtil;
import com.mindskip.xzs.utility.JsonUtil;
import com.mindskip.xzs.viewmodel.student.dashboard.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

@RestController("StudentDashboardController")
@RequestMapping(value = "/api/student/dashboard")
public class DashboardController extends BaseApiController {

    private final UserService userService;
    private final ExamPaperService examPaperService;
    private final QuestionService questionService;
    private final TaskExamService taskExamService;
    private final TaskExamCustomerAnswerService taskExamCustomerAnswerService;
    private final TextContentService textContentService;
    private final ExamPaperUserService examPaperUserService;
    private final ExamPaperAnswerMapper answerMapper;
    private final ExamTemplatesMapper templatesMapper;
    private final ExamTemplatesUserCountMapper templatesUserCountMapper;
    private final ExamTemplatesUserMapper examTemplatesUserMapper;

    @Autowired
    public DashboardController(UserService userService, ExamPaperService examPaperService,
                               QuestionService questionService, TaskExamService taskExamService,
                               TaskExamCustomerAnswerService taskExamCustomerAnswerService,
                               TextContentService textContentService, ExamPaperUserService examPaperUserService,
                               ExamPaperAnswerMapper answerMapper, ExamTemplatesMapper templatesMapper, ExamTemplatesUserCountMapper templatesUserCountMapper, ExamTemplatesUserMapper examTemplatesUserMapper) {
        this.userService = userService;
        this.examPaperService = examPaperService;
        this.questionService = questionService;
        this.taskExamService = taskExamService;
        this.taskExamCustomerAnswerService = taskExamCustomerAnswerService;
        this.textContentService = textContentService;
        this.examPaperUserService = examPaperUserService;
        this.answerMapper = answerMapper;
        this.templatesMapper = templatesMapper;
        this.templatesUserCountMapper = templatesUserCountMapper;
        this.examTemplatesUserMapper = examTemplatesUserMapper;
    }

    @RequestMapping(value = "/qualification/{paperId}", method = RequestMethod.GET)
    public RestResponse qualification(@PathVariable("paperId") String paperId) {
        User user = getCurrentUser();
        ExamTemplatesUserCount count = new ExamTemplatesUserCount();
        List<ExamTemplatesUserCount> examTemplatesUserCountList = new ArrayList<>();
        List<PaperInfo> paperInfos = new ArrayList<>();
        count.setUserId(user.getId());
        count.setExamPaperId(Integer.parseInt(paperId));
        examTemplatesUserCountList.add(count);
        List<ExamPaperAnswer> list1 = answerMapper.getByExamPaperIdAndUserId(examTemplatesUserCountList);
        if(list1.size()>0){
            return RestResponse.fail(500,"当前试卷已完成考试！");
        }
        return RestResponse.ok();
    }

    @RequestMapping(value = "/index", method = RequestMethod.POST)
    public RestResponse<IndexVM> index() {
        IndexVM indexVM = new IndexVM();
        User user = getCurrentUser();

        PaperFilter fixedPaperFilter = new PaperFilter();
        fixedPaperFilter.setGradeLevel(user.getUserLevel());
        Integer[] type = {ExamPaperTypeEnum.Fixed.getCode(),ExamPaperTypeEnum.Random.getCode()};
        fixedPaperFilter.setExamPaperType(type);
        fixedPaperFilter.setUserId(user.getId());
        //试卷
        List<PaperInfo> list = examPaperService.indexPaper(fixedPaperFilter);
        ExamTemplatesUserCount count = new ExamTemplatesUserCount();
        List<ExamTemplatesUserCount> examTemplatesUserCountList = new ArrayList<>();
        List<PaperInfo> paperInfos = new ArrayList<>();
        for (PaperInfo info : list) {
            count.setUserId(user.getId());
            count.setExamPaperId(info.getId());
            examTemplatesUserCountList.add(count);
            List<ExamPaperAnswer> list1 = answerMapper.getByExamPaperIdAndUserId(examTemplatesUserCountList);
            examTemplatesUserCountList.clear();
            if(list1.size()>0){
                continue;
            }
            info.setStatus("0");
            paperInfos.add(info);
        }

        ExamTemplatesVO vo = new ExamTemplatesVO();
        vo.setStatus("0");
        vo.setUserId(user.getId());
        vo.setNow(LocalDateTime.now());
        List<ExamTemplates> gets = templatesMapper.gets(vo);
        ExamTemplatesUserCountVO templatesUserCountVO = new ExamTemplatesUserCountVO();
        templatesUserCountVO.setUserId(user.getId());

        for (ExamTemplates get : gets) {
            templatesUserCountVO.setId(get.getId());
                Integer number = templatesUserCountMapper.getCountByUserIdAndTemplatesId(templatesUserCountVO);
                if(number==0){
                    PaperInfo info = new PaperInfo();
                    info.setId(get.getId());
                    info.setName(get.getName());
                    info.setStatus("1");
                    paperInfos.add(info);
                }
        }
        indexVM.setFixedPaper(paperInfos);

        PaperFilter timeLimitPaperFilter = new PaperFilter();
        timeLimitPaperFilter.setDateTime(new Date());
        timeLimitPaperFilter.setGradeLevel(user.getUserLevel());
        Integer[] time = {ExamPaperTypeEnum.TimeLimit.getCode()};
        timeLimitPaperFilter.setExamPaperType(time);
        timeLimitPaperFilter.setUserId(user.getId());

        ExamTemplatesUserCount count1 = new ExamTemplatesUserCount();
        List<ExamTemplatesUserCount> examTemplatesUserCountList1 = new ArrayList<>();
        List<PaperInfo> paperInfos1 = new ArrayList<>();
        List<PaperInfo> limitPaper = examPaperService.indexPaper(timeLimitPaperFilter);
        for (PaperInfo info : limitPaper) {
            count1.setUserId(user.getId());
            count1.setExamPaperId(info.getId());
            examTemplatesUserCountList1.add(count1);
            List<ExamPaperAnswer> list1 = answerMapper.getByExamPaperIdAndUserId(examTemplatesUserCountList1);
            examTemplatesUserCountList1.clear();
            if(list1.size()>0){
                continue;
            }
            paperInfos1.add(info);
        }
        List<PaperInfoVM> paperInfoVMS = paperInfos1.stream().map(d -> {
            PaperInfoVM vm = modelMapper.map(d, PaperInfoVM.class);
            vm.setStartTime(DateTimeUtil.dateFormat(d.getLimitStartTime()));
            vm.setEndTime(DateTimeUtil.dateFormat(d.getLimitEndTime()));
            return vm;
        }).collect(Collectors.toList());
        indexVM.setTimeLimitPaper(paperInfoVMS);
        return RestResponse.ok(indexVM);
    }


    @RequestMapping(value = "/task", method = RequestMethod.POST)
    public RestResponse<List<TaskItemVm>> task() {
        User user = getCurrentUser();
        Integer[] ids = examPaperUserService.getByUserId(user.getId())
                .stream().map(ExamPaperUser::getExamPaperId).toArray(Integer[]::new);
        List<TaskExam> taskExams = new ArrayList<>();
        if(ids.length!=0){
             List<ExamPaper> list = examPaperService.gets(ids).stream()
                    .filter(e -> e.getPaperType() == 6).collect(Collectors.toList());
             if(list.size() != 0){
                 Integer[] taskIds = list.stream().map(ExamPaper::getTaskExamId).toArray(Integer[]::new);
                 taskExams = taskExamService.gets(taskIds);
             }

        }

//        List<TaskExam> taskExams = taskExamService.getByGradeLevel(user.getUserLevel());
        if (taskExams.size() == 0) {
            return RestResponse.ok(new ArrayList<>());
        }
        List<Integer> tIds = taskExams.stream().map(taskExam -> taskExam.getId()).collect(Collectors.toList());
        List<TaskExamCustomerAnswer> taskExamCustomerAnswers = taskExamCustomerAnswerService.selectByTUid(tIds, user.getId());
        List<TaskItemVm> vm = taskExams.stream().map(t -> {
            TaskItemVm itemVm = new TaskItemVm();
            itemVm.setId(t.getId());
            itemVm.setTitle(t.getTitle());
            TaskExamCustomerAnswer taskExamCustomerAnswer = taskExamCustomerAnswers.stream()
                    .filter(tc -> tc.getTaskExamId().equals(t.getId())).findFirst().orElse(null);
            List<TaskItemPaperVm> paperItemVMS = getTaskItemPaperVm(t.getFrameTextContentId(), taskExamCustomerAnswer);
            itemVm.setPaperItems(paperItemVMS);
            return itemVm;
        }).collect(Collectors.toList());
        return RestResponse.ok(vm);
    }


    private List<TaskItemPaperVm> getTaskItemPaperVm(Integer tFrameId, TaskExamCustomerAnswer taskExamCustomerAnswers) {
        TextContent textContent = textContentService.selectById(tFrameId);
        List<TaskItemObject> paperItems = JsonUtil.toJsonListObject(textContent.getContent(), TaskItemObject.class);

        List<TaskItemAnswerObject> answerPaperItems = null;
        if (null != taskExamCustomerAnswers) {
            TextContent answerTextContent = textContentService.selectById(taskExamCustomerAnswers.getTextContentId());
            answerPaperItems = JsonUtil.toJsonListObject(answerTextContent.getContent(), TaskItemAnswerObject.class);
        }


        List<TaskItemAnswerObject> finalAnswerPaperItems = answerPaperItems;
        return paperItems.stream().map(p -> {
                    TaskItemPaperVm ivm = new TaskItemPaperVm();
                    ivm.setExamPaperId(p.getExamPaperId());
                    ivm.setExamPaperName(p.getExamPaperName());
                    if (null != finalAnswerPaperItems) {
                        finalAnswerPaperItems.stream()
                                .filter(a -> a.getExamPaperId().equals(p.getExamPaperId()))
                                .findFirst()
                                .ifPresent(a -> {
                                    ivm.setExamPaperAnswerId(a.getExamPaperAnswerId());
                                    ivm.setStatus(a.getStatus());
                                });
                    }
                    return ivm;
                }
        ).collect(Collectors.toList());
    }
}