package main

import (
	"log"
	_ "github.com/lib/pq"
        "database/sql"
	"os"
	"fmt"
	_ "github.com/joho/godotenv/autoload"
	_ "github.com/go-sql-driver/mysql"
)

type DogRow struct {
	Id int
	Author string
	Title string
	Format string
	Hash string
	Type string
}

func checkerr(err error) {
	if err != nil {
		log.Println(err)
	}
}

func dsn(dbName string) string {
	return fmt.Sprintf("%s:%s@tcp(%s)/%s", os.Getenv("MYSQLUSERNAME"), os.Getenv("MYSQLPASS"), os.Getenv("MYSQLHOSTNAME"), dbName)
}

func main() {
	log.Println("Log")

	psqlInfo := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
	os.Getenv("HOST"), os.Getenv("PORT"), os.Getenv("DBUSER"), os.Getenv("PASSWD"), os.Getenv("DBNAME"))

	pgdb, err := sql.Open("postgres", psqlInfo)
	checkerr(err)
	mysqldb, err := sql.Open("mysql", dsn(os.Getenv("MYSQLDBNAME")))
	checkerr(err)

	rows, err := mysqldb.Query(`select * from pug;`)
	checkerr(err)
	defer rows.Close()

	for rows.Next() {
		var rowsel DogRow
		if err := rows.Scan(&rowsel.Id, &rowsel.Author, &rowsel.Title, &rowsel.Format, &rowsel.Hash, &rowsel.Type); err != nil {
			log.Fatal(err)
		}
		_, err = pgdb.Exec(`insert into dog_pictures (breed_id, author, title, picture_format, 
					picture_hash, picture_url) values ((select breed_id from breed_manifest where breed = $1),
					$2, $3, $4, $5, $6)`, rowsel.Type, rowsel.Author, rowsel.Title, rowsel.Format, rowsel.Hash,
					os.Getenv("DOGURL") + rowsel.Type + "/" + rowsel.Hash + "." + rowsel.Format)
		if err != nil {
			log.Println(rowsel.Hash)
		}
	}
}