/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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 org.apache.juneau.http;
  
  import static org.apache.juneau.TestUtils.*;
  import static org.apache.juneau.http.HttpHeaders.*;
  import static org.apache.juneau.http.HttpParts.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.util.*;
  
  import org.apache.http.*;
  import org.apache.juneau.*;
  import org.apache.juneau.http.header.*;
  import org.apache.juneau.http.part.*;
  import org.apache.juneau.internal.*;
  import org.apache.juneau.marshaller.*;
  import org.junit.jupiter.api.*;
  
  class HttpHeaders_Test extends TestBase {
  
  	@Test void a01_cast() {
  		var x1 = part("X1","1");
  		var x2 = serializedPart("X2","2");
  		var x3 = header("X3","3");
  		var x4 = serializedHeader("X4","4");
  		Map.Entry<String,Object> x5 = CollectionUtils.map("X5",(Object)"5").entrySet().iterator().next();
  		org.apache.http.message.BasicNameValuePair x6 = new org.apache.http.message.BasicNameValuePair("X6","6");
  		NameValuePairable x7 = () -> part("X7","7");
  		Headerable x8 = () -> header("X8","8");
  		SerializedPart x9 = serializedPart("X9",()->"9");
  
  		assertTypeAndJson(Header.class, "'X1: 1'", HttpHeaders.cast(x1));
  		assertTypeAndJson(Header.class, "'X2: 2'", HttpHeaders.cast(x2));
  		assertTypeAndJson(Header.class, "'X3: 3'", HttpHeaders.cast(x3));
  		assertTypeAndJson(Header.class, "'X4: 4'", HttpHeaders.cast(x4));
  		assertTypeAndJson(Header.class, "'X5: 5'", HttpHeaders.cast(x5));
  		assertTypeAndJson(Header.class, "'X6: 6'", HttpHeaders.cast(x6));
  		assertTypeAndJson(Header.class, "'X7: 7'", HttpHeaders.cast(x7));
  		assertTypeAndJson(Header.class, "'X8: 8'", HttpHeaders.cast(x8));
  		assertTypeAndJson(Header.class, "'X9: 9'", HttpHeaders.cast(x9));
  
  		assertThrowsWithMessage(BasicRuntimeException.class, "Object of type java.lang.String could not be converted to a Header.", ()->HttpHeaders.cast("X"));
  		assertThrowsWithMessage(BasicRuntimeException.class, "Object of type null could not be converted to a Header.", ()->HttpHeaders.cast(null));
  
  		assertTrue(HttpHeaders.canCast(x1));
  		assertTrue(HttpHeaders.canCast(x2));
  		assertTrue(HttpHeaders.canCast(x3));
  		assertTrue(HttpHeaders.canCast(x4));
  		assertTrue(HttpHeaders.canCast(x5));
  		assertTrue(HttpHeaders.canCast(x6));
  		assertTrue(HttpHeaders.canCast(x7));
  		assertTrue(HttpHeaders.canCast(x8));
  		assertTrue(HttpHeaders.canCast(x9));
  
  		assertFalse(HttpHeaders.canCast("X"));
  		assertFalse(HttpHeaders.canCast(null));
  	}
  
  	//------------------------------------------------------------------------------------------------------------------
  	// Utility methods
  	//------------------------------------------------------------------------------------------------------------------
  
  	private BasicHeader header(String name, Object val) {
  		return basicHeader(name, val);
  	}
  
  	private BasicPart part(String name, Object val) {
  		return basicPart(name, val);
  	}
  
  	/**
  	 * Asserts the JSON5 representation of the specified object.
  	 */
  	private void assertTypeAndJson(Class<?> c, String json, Object value) {
  		assertInstanceOf(c, value);
  		assertEquals(json, Json5.DEFAULT.write(value));
  	}
  }