package com.njuzr.eaibackend.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.njuzr.eaibackend.dto.CourseDTO;
import com.njuzr.eaibackend.dto.EnrollDTO;
import com.njuzr.eaibackend.po.Course;
import com.njuzr.eaibackend.po.User;
import com.njuzr.eaibackend.service.CourseService;
import com.njuzr.eaibackend.vo.CourseVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

/**
 * @author: Leonezhurui
 * @Date: 2024/3/5 - 16:34
 * @Package: EAI-Backend
 */

@RestController
@RequestMapping("/api/course")
public class CourseController {
    private final CourseService courseService;

    @Autowired
    public CourseController(CourseService courseService) {
        this.courseService = courseService;
    }


    /**
     * 分页返回所有的课程信息
     * @return
     */
    @GetMapping("/findAll")
    public MyResponse findAllCourses(
            @RequestParam(value = "page", defaultValue = "1") int currentPage,
            @RequestParam(value = "size", defaultValue = "10") int pageSize
    ) {

        return MyResponse.success("");
    }

//    @GetMapping()
//    public MyResponse searchCourses(
//            @RequestParam String courseName,
//            @RequestParam String
//    ) {
//
//    }


    /**
     * 根据学生Id获取其所选的所有课程的信息
     * @param studentId
     * @return
     */
    @GetMapping("/byStudent/{studentId}")
    public MyResponse findByStudentId(
            @PathVariable Long studentId,
            @RequestParam(defaultValue = "0") int page,
            @RequestParam(defaultValue = "10") int size
    ) {
        return MyResponse.success("");
    }

    /**
     * 根据老师Id获取的其所创建的所有课程信息
     * @param teacherId
     * @return
     */
    @PreAuthorize("hasRole('TEACHER')")
    @GetMapping("/byTeacher/{teacherId}")
    public MyResponse findByTeacherId(
            @PathVariable Long teacherId,
            @RequestParam(defaultValue = "0") int page,
            @RequestParam(defaultValue = "10") int size
    ) {
        return MyResponse.success("");
    }

    /**
     * 根据课程Id，获取某个课程的详细信息
     * @param courseId
     * @param currentPage
     * @param pageSize
     * @return
     */
    @GetMapping("/{courseId}")
    public MyResponse findByCourseId(
            @PathVariable Long courseId,
            @RequestParam(value = "page", defaultValue = "1") int currentPage,
            @RequestParam(value = "size", defaultValue = "10") int pageSize
    ) {
        Page<Course> page = new Page<>(currentPage, pageSize);

        return MyResponse.success("");
    }

    /**
     * 创建课程
     * @param courseDTO
     * @return
     */
    @PreAuthorize("hasRole('TEACHER') or hasRole('ADMIN')")
    @PostMapping
    public MyResponse createCourse(@Validated @RequestBody CourseDTO courseDTO) {
        CourseVO courseVO = courseService.createCourse(courseDTO);
        return MyResponse.success(courseVO);
    }

    @PutMapping
    public MyResponse updateCourse(@RequestBody CourseDTO courseDTO) {
        return MyResponse.success("");
    }

    @PutMapping("/enrollCode")
    public MyResponse updateEnrollCode(@RequestParam String enrollCode) {
        return MyResponse.success("");
    }

    @DeleteMapping
    public MyResponse deleteCourse(@RequestParam Long courseId) {
        return MyResponse.success("");
    }

    /**
     * 选课，通过studentId和courseId，完成选课
     * @param enrollDTO
     * @return
     */
    @PostMapping("/enroll")
    public MyResponse enroll(@RequestBody EnrollDTO enrollDTO) {
        return MyResponse.success("");
    }



}