package news

import (
    "time"
    "database/sql"	
	_ "github.com/lib/pq"
	"fmt"
)

type News struct {
    news_id int
    Url		string
    Title	string
    Category_id	int
    Date	time.Time	
    Notes	string
    Expoerted bool
}

type NewsContainer struct {
    Name string
    News []News
    Children map[int]*NewsContainer
}

func (news *News) Insert(db *sql.DB) error {
    _, err := db.Exec("INSERT INTO news (url, title, category_id, notes) VALUES($1, $2, $3, $4)", news.Url, news.Title, news.Category_id, news.Notes );
    if err != nil {
        fmt.Println("Error inserting news: ", err)
        return err
    }
    return nil
}

func Unexported(db *sql.DB) (map[int]*NewsContainer, error) {
	rows, err := db.Query("SELECT url, title, category_id, timestamp, notes FROM news WHERE exported=false")
	if err != nil {
		fmt.Println("DB errpr reading unexported news: ", err)
		return nil, err
	}
	newsTree := map[int]*NewsContainer{}
	newsFlat := map[int]*NewsContainer{}
	
	for rows.Next() {
	    news := News{}
	    var url sql.NullString 
	    err := rows.Scan(&news.Url, &news.Title, &news.Category_id, &news.Date, &news.Notes)
	}
	
	
	return newsTree, nil
}