package operations

import (
	"database/sql"
	"errors"
	"log"
	"sevenkeys/scryfall/types"
)

var ErrGamepieceExists error = errors.New("Gamepiece already exists in database")

func insertGamepiece(db *sql.DB, cardName string) (int, error) {
	gamepieceInsertQuery := "INSERT INTO Gamepiece (Name) VALUES (?);"
	gamepieceInsert, err := db.Prepare(gamepieceInsertQuery)
	defer gamepieceInsert.Close()
	if err != nil {
		log.Fatal(err)
	}

	existingGamepiece, err := GetGamepieceByName(db, cardName)
	if err != sql.ErrNoRows {
		return existingGamepiece.Id, ErrGamepieceExists
	}

	result, err := gamepieceInsert.Exec(cardName)
	if err != nil {
		log.Fatal(err)
	}

	gamepieceId, err := result.LastInsertId()
	if err != nil {
		log.Fatal(err)
	}

	return int(gamepieceId), nil
}

func insertCardPrinting(db *sql.DB, gamepieceId int, setCode string, imageUrl string) {
	cardPrintingInsertQuery := "INSERT INTO CardPrinting (GamepieceId, SetCode, ImageUrl) VALUES (?, ?, ?);"
	cardPrintingInsert, err := db.Prepare(cardPrintingInsertQuery)
	defer cardPrintingInsert.Close()
	if err != nil {
		log.Fatal(err)
	}

	_, err = cardPrintingInsert.Exec(gamepieceId, setCode, imageUrl)
	if err != nil {
		log.Fatal(err)
	}
}

func InsertCards(db *sql.DB, cards []types.Card) {
	for index := range cards {
		card := cards[index]
		gamepieceId, _ := insertGamepiece(db, card.Name)
		insertCardPrinting(db, gamepieceId, card.Set, card.ImageUris["png"])
	}
}