package service

import (
	"encoding/json"
	"fmt"
	"os"

	"schedule_converter/models"
)

func SaveToJSON(courses []models.Course, filename string) error {
	jsonData, err := json.MarshalIndent(courses, "", "  ")
	if err != nil {
		return err
	}

	err = os.WriteFile(filename, jsonData, 0644)
	if err != nil {
		return err
	}

	fmt.Printf("[输出] JSON结果已保存到: %s\n", filename)
	return nil
}

func PrintCourses(courses []models.Course) {
	fmt.Println("\n==================================================")
	fmt.Println("识别结果：")
	fmt.Println("==================================================")
	for i, course := range courses {
		fmt.Printf("\n课程 %d: %s\n", i+1, course.Name)
		fmt.Printf("  教师: %s\n", course.Teacher)
		fmt.Printf("  教室: %s\n", course.Room)
		fmt.Printf("  时间:")
		for _, sch := range course.Schedule {
			fmt.Printf(" %s %v 周%v", sch.Day, sch.Section, sch.Weeks)
		}
		fmt.Println()
	}
	fmt.Println("\n==================================================")
}