package com.xuekairui.quiz.controller.user;

import com.xuekairui.common.Result;
import com.xuekairui.quiz.dto.StudyBookSubmitRequest;
import com.xuekairui.quiz.service.StudyBookService;
import com.xuekairui.quiz.vo.ChapterProgressVO;
import com.xuekairui.quiz.vo.ChapterQuestionsVO;
import com.xuekairui.quiz.vo.ChapterTreeVO;
import com.xuekairui.quiz.vo.PageVO;
import com.xuekairui.quiz.vo.PracticeSubmitVO;
import com.xuekairui.quiz.vo.StudyBookQuestionVO;
import com.xuekairui.quiz.vo.StudyOverviewVO;
import com.xuekairui.quiz.vo.SubjectSimpleVO;
import jakarta.servlet.http.HttpServletRequest;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/api/quiz/studyBook")
@RequiredArgsConstructor
public class UserQuizStudyBookController {

    private final StudyBookService studyBookService;

    /** 学习本统计概览（做对/做错/收藏数） */
    @GetMapping("/overview")
    public Result<StudyOverviewVO> overview(HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(studyBookService.getOverview(userId));
    }

    /** 学习本题目列表（按 correct/wrong/collected 筛选） */
    @GetMapping("/questionList")
    public Result<PageVO<StudyBookQuestionVO>> questionList(
            @RequestParam(defaultValue = "correct") String type,
            @RequestParam(required = false) Long subjectId,
            @RequestParam(defaultValue = "1") int pageNo,
            @RequestParam(defaultValue = "10") int pageSize,
            HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(studyBookService.getQuestionList(userId, type, subjectId, pageNo, pageSize));
    }

    /** 获取科目列表 */
    @GetMapping("/subjects")
    public Result<List<SubjectSimpleVO>> subjects() {
        return Result.success(studyBookService.getSubjectList());
    }

    /** 获取章节树 */
    @GetMapping("/chapters")
    public Result<ChapterTreeVO> chapters(@RequestParam Long subjectId) {
        return Result.success(studyBookService.getChapterTree(subjectId));
    }

    /** 获取考点题目 */
    @GetMapping("/questions")
    public Result<ChapterQuestionsVO> questions(@RequestParam Long chapterId, HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(studyBookService.getChapterQuestions(userId, chapterId));
    }

    /** 提交章节练习 */
    @PostMapping("/submit")
    public Result<PracticeSubmitVO> submit(@RequestBody StudyBookSubmitRequest param, HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(studyBookService.submitChapterPractice(userId, param.getSubjectId(), param.getChapterId(), param.getAnswers()));
    }

    /** 获取章节学习进度 */
    @GetMapping("/progress")
    public Result<ChapterProgressVO> progress(@RequestParam Long subjectId, HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(studyBookService.getChapterProgress(userId, subjectId));
    }
}