package lectable

import (
	"context"
	"fmt"
	"io"

	"www.cr.ie.u-ryukyu.ac.jp/hg/Members/anatofuz/lectable/syllabus"
)

type cmdDownload struct{}

func (cd *cmdDownload) name() string {
	return "download"
}

func (cd *cmdDownload) description() string {
	return "donwload html from lecture ids"
}

func (cd *cmdDownload) run(ctx context.Context, argv []string, outStream, errStream io.Writer) error {
	fmt.Println("download now!!")
	dh := syllabus.CreateGetSyllabus()
	err := checkAndMkdirBuilddir(dh.Outputdir)
	if err != nil {
		return err
	}
	arr3 := []string{"601495001", "600625001"}

	lwps, err := dh.LecIDStoDonwlodSyllabus(ctx, arr3, outStream)
	lectures, err := dh.LectureWPathS2LectureStruct(ctx, lwps, outStream)
	if err != nil {
		return err
	}
	return dh.DumpLecureToJson(lectures)
}