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package io.swagger.util;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import io.swagger.oas.models.headers.Header;

import java.io.IOException;
import java.util.Arrays;
import java.util.stream.Collectors;

public class HeaderStyleEnumDeserializer extends JsonDeserializer {
    @Override
    public Header.StyleEnum deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        JsonNode node = jp.getCodec().readTree(jp);
        if (node != null) {
            String value = node.asText();
            return getStyleEnum(value);
        }
        return null;
    }

    private Header.StyleEnum getStyleEnum(String value) {
        return Arrays.stream(
                Header.StyleEnum.values())
                    .filter(i -> i.toString().equals(value))
                    .findFirst()
                    .orElseThrow(() -> new RuntimeException(
                            String.format("Can not deserialize value of type Header.StyleEnum from String \"%s\": value not one of declared Enum instance names: %s",
                                    value,
                                    Arrays.stream(Header.StyleEnum.values()).map(v -> v.toString()).collect(Collectors.joining(", ","[","]")))));
    }
}