package json

import (
	"bytes"
	"io"

	jsoniter "github.com/json-iterator/go"
)

var (
	j = jsoniter.ConfigCompatibleWithStandardLibrary
)

// Parser is an JSON Feed Parser
type Parser struct{}

// Parse parses an json feed into an json.Feed
func (ap *Parser) Parse(feed io.Reader) (*Feed, error) {
	jsonFeed := &Feed{}

	buffer := new(bytes.Buffer)
	buffer.ReadFrom(feed)

	err := j.Unmarshal(buffer.Bytes(), jsonFeed)
	if err != nil {
		return nil, err
	}
	return jsonFeed, err
}