package com.guo.learningprogresstracker.controller;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.guo.learningprogresstracker.dto.request.EndedStudySessionRequest;
import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
import com.guo.learningprogresstracker.entity.CommonResult;
import com.guo.learningprogresstracker.entity.StudySessionsEntity;
import com.guo.learningprogresstracker.exception.ErrorParameterException;
import com.guo.learningprogresstracker.mapStruct.StudySessionConvert;
import com.guo.learningprogresstracker.service.impl.StudySessionsServiceImpl;
import jakarta.validation.Valid;
import jakarta.validation.constraints.NotEmpty;
import lombok.RequiredArgsConstructor;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;

/**
 * 学习会话控制层
 */
@RequestMapping("/study-sessions")
@RestController
@RequiredArgsConstructor
@Validated
public class StudySessionController {

    private final StudySessionsServiceImpl studySessionsServiceImpl;

    @PostMapping
    public void studySessionList() {

    }

    /**
     * 通过sessionNum获取一个【学习会话】
     */
    @GetMapping("/{sessionNum}")
    public CommonResult getStudySessionBySessionNum(@NotEmpty(message = "sessionNum不可为空") @PathVariable String sessionNum) throws ErrorParameterException {
        StudySessionsEntity studySessionsEntity = studySessionsServiceImpl.getOneOpt(Wrappers.lambdaQuery(StudySessionsEntity.class)
                        .eq(StudySessionsEntity::getSessionNum, sessionNum))
                .orElseThrow(() -> new ErrorParameterException("会话[" + sessionNum + "]不存在"));
        StudySessionResponce studySessionResponce = StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
        return CommonResult.success(studySessionResponce);
    }

    /**
     * 暂停一个【学习会话】
     */
    @PostMapping("/{sessionNum}/study-sessions/pause")
    public CommonResult pauseStudySession(@PathVariable("sessionNum") String sessionNum) throws ErrorParameterException {
        studySessionsServiceImpl.pauseStudySession(sessionNum);
        return CommonResult.success();
    }

    /**
     * 结束一个【学习会话】
     */
    @PostMapping("/{sessionNum}/study-sessions/ended")
    public CommonResult endedStudySession(@PathVariable("sessionNum") String sessionNum,
                                          @Valid @RequestBody EndedStudySessionRequest request) throws ErrorParameterException {
        studySessionsServiceImpl.endedStudySession(sessionNum,request.getContent());
        return CommonResult.success();
    }
    /**
     * 获取【学习会话】所有的学习残片数据，以列表返回
     */
    @GetMapping("/{sessionNum}/all-fragments")
    public CommonResult getAllFragments(@PathVariable("sessionNum") String sessionNum) throws ErrorParameterException {
        ArrayList<String> allFragments = studySessionsServiceImpl.getAllFragments(sessionNum);
        return CommonResult.success(allFragments);

    }
}