package services

type DashboardsService struct {
	ctx *Context
}

type DashboardItem struct {
	Id       string `json:"id"`
	Contents string `json:"contents"`
}

func (s *DashboardsService) GetList() ([]DashboardItem, error) {
	items := make([]DashboardItem, 0)

	rows, err := s.ctx.DB.Query("SELECT id, contents FROM dashboards")

	if err != nil {
		return nil, err
	}

	defer rows.Close()

	for rows.Next() {
		item := DashboardItem{}

		err := rows.Scan(&item.Id, &item.Contents)
		if err != nil {
			return nil, err
		}

		items = append(items, item)
	}

	err = rows.Err()
	if err != nil {
		return nil, err
	}

	return items, nil
}

func (s *DashboardsService) Create(id string, contents string) (*DashboardItem, error) {
	item := DashboardItem{
		Id:       id,
		Contents: contents,
	}

	_, err := s.ctx.DB.Exec("INSERT INTO dashboards (id, contents) VALUES (?, ?)", item.Id, item.Contents)

	if err != nil {
		return nil, err
	}

	return &item, nil
}

func (s *DashboardsService) Update(id string, contents string) (*DashboardItem, error) {
	item := DashboardItem{
		Id:       id,
		Contents: contents,
	}

	_, err := s.ctx.DB.Exec("UPDATE dashboards SET contents = ? WHERE id = ?", contents, id)

	if err != nil {
		return nil, err
	}

	return &item, nil
}

func (s *DashboardsService) GetById(id string) (*DashboardItem, error) {
	item := DashboardItem{}

	row := s.ctx.DB.QueryRow("SELECT id, contents FROM dashboards WHERE id = ?", id)

	err := row.Scan(&item.Id, &item.Contents)
	if err != nil {
		return nil, err
	}

	return &item, nil
}