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package com.spring.boxes.dollar.support.graphql.scalar;

import graphql.language.IntValue;
import graphql.schema.Coercing;
import graphql.schema.CoercingParseLiteralException;
import graphql.schema.CoercingParseValueException;
import graphql.schema.CoercingSerializeException;
import lombok.Value;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public class LongScalar implements Coercing {

    @Override
    public Long serialize(Object dataFetcherResult) throws CoercingSerializeException {
        log.debug("input.serialize:" + dataFetcherResult.toString());
        if (dataFetcherResult instanceof Long || dataFetcherResult instanceof Integer || dataFetcherResult instanceof Byte) {
            return (Long) dataFetcherResult;
        }
        if (dataFetcherResult instanceof IntValue) {
            IntValue intValue = (IntValue) dataFetcherResult;
            return Long.parseLong(intValue.getValue().toString());
        }
        throw new CoercingSerializeException("Not a valid Long");
    }

    @Override
    public Long parseValue(Object input) throws CoercingParseValueException {
        log.debug("input.parseValue:" + input.toString());
        return Long.parseLong(input.toString());
    }

    @Override
    public Long parseLiteral(Object input) throws CoercingParseLiteralException {
        log.debug("input:" + input.toString());
        if (input instanceof Long || input instanceof Integer || input instanceof Byte) {
            return Long.parseLong(input.toString());
        }
        if (input instanceof IntValue) {
            IntValue intValue = (IntValue) input;
            return Long.parseLong(intValue.getValue().toString());
        }
        throw new CoercingParseLiteralException("Value is not a valid Long");
    }
}