main.go

package main

import (
	"bytes"
	"compress/gzip"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"

	"github.com/ericraio/landlord/src/scryfall"
)

func main() {
	var scryfallCards []scryfall.ScryfallCard
	if len(os.Args) != 3 {
		fmt.Printf("Expected 2 arguments, json path and output binary path but received %d - %+v", len(os.Args), os.Args)
		os.Exit(0)
	}
	input_path := os.Args[1]
	output_path := os.Args[2]

	jsonFile, err := os.Open(input_path)
	if err != nil {
		fmt.Println(err)
	}
	defer func() {
		err := jsonFile.Close()
		if err != nil {
			fmt.Println(err)
			os.Exit(0)
		}
	}()

	byteValue, err := ioutil.ReadAll(jsonFile)
	if err != nil {
		fmt.Println(err)
		os.Exit(0)
	}

	err = json.Unmarshal(byteValue, &scryfallCards)
	if err != nil {
		fmt.Println(err)
		os.Exit(0)
	}

	// Filter out any cards that are not legal in all formats
	// This should filter out any tokens
	scryfallCards = scryfall.FilterNotLegalCards(&scryfallCards)

	// Flatten the card_faces out into scryfall_cards
	// To do that, we clone and update the image_uris to that of the parent card
	scryfallCards = scryfall.FlattenCardFaces(&scryfallCards)
	fmt.Println("Generating landlord output")
	buf, err := scryfall.Encode(&scryfallCards)
	if err != nil {
		panic(err)
	}

	var b bytes.Buffer
	w := gzip.NewWriter(&b)
	_, err = w.Write(buf.Bytes())
	if err != nil {
		panic(err)
	}
	err = w.Close() // You must close this first to flush the bytes to the buffer.
	if err != nil {
		panic(err)
	}

	fmt.Println("Writing all_cards.landlord")
	err = ioutil.WriteFile(output_path+"/all_cards.landlord", b.Bytes(), 0666)
	if err != nil {
		panic(err)
	}
}