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/*
 * Copyright (c) 2023 SPARQL Anything Contributors @ http://github.com/sparql-anything
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.github.sparqlanything.engine;

import io.github.sparqlanything.model.HTTPHelper;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

public class Location {
    private static final Logger log = LoggerFactory.getLogger(Location.class);
    public static boolean isHTTP(URL url) {
        return (url.getProtocol().toLowerCase().equals("http") || url.getProtocol().toLowerCase().equals("https"));
    }

    public static boolean isFile(URL url){
        return url.getProtocol().toLowerCase().equals("file");
    }

    public static InputStream getInputStream(URL url, Properties properties) throws IllegalArgumentException, IOException {
        File local = null;
        // If local throw exception
        if(url.getProtocol().equals("file")){
            log.debug("Getting input stream from file");
            return url.openStream();
        }

        // If HTTP
        if(url.getProtocol().equals("http")||url.getProtocol().equals("https")){
            CloseableHttpResponse response = HTTPHelper.getInputStream(url, properties);
            if(!HTTPHelper.isSuccessful(response) ){
                throw new IOException(response.getStatusLine().toString());
            }
            return response.getEntity().getContent();
        }

        // If other protocol, try URL and Connection
        log.debug("Other protocol: {}", url.getProtocol());
        return url.openStream();
    }
}