const StudentService = require('../services/studentService');
const { success, error } = require('../utils/response');

class StudentController {
    static async getGrades(req, res) {
        try {
            const userId = req.session.user.id;
            const data = await StudentService.getStudentGrades(userId);
            success(res, data);
        } catch (err) {
            if (err.message === '学生信息不存在') {
                return error(res, err.message, 404);
            }
            console.error('Get Grades Error:', err);
            error(res, '服务器错误');
        }
    }

    static async getGradeDetails(req, res) {
        try {
            const scoreId = req.params.id;
            const userId = req.session.user.id;
            const grade = await StudentService.getGradeDetails(scoreId, userId);
            success(res, { grade });
        } catch (err) {
            if (err.message === '成绩不存在') {
                return error(res, err.message, 404);
            }
            console.error('Get Grade Details Error:', err);
            error(res, '服务器错误');
        }
    }

    static async getCourses(req, res) {
        try {
            const userId = req.session.user.id;
            const data = await StudentService.getStudentCourses(userId);
            success(res, data);
        } catch (err) {
            if (err.message === '学生信息不存在') {
                return error(res, err.message, 404);
            }
            console.error('Get Courses Error:', err);
            error(res, '服务器错误');
        }
    }
}

module.exports = StudentController;