/*
    * 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.header;
  
  import static org.apache.juneau.TestUtils.*;
  import static org.apache.juneau.http.HttpHeaders.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.io.*;
  import java.util.function.*;
  
  import org.apache.juneau.*;
  import org.apache.juneau.annotation.*;
  import org.apache.juneau.common.utils.*;
  import org.apache.juneau.http.annotation.*;
  import org.apache.juneau.rest.annotation.*;
  import org.apache.juneau.rest.client.*;
  import org.apache.juneau.rest.mock.*;
  import org.junit.jupiter.api.*;
  
  class BasicCsvHeader_Test extends TestBase {
  
  	private static final String HEADER = "Foo";
  	private static final String VALUE = "foo, bar";
  	private static final String[] PARSED = { "foo", "bar" };
  
  	@Rest
  	public static class A {
  		@RestOp
  		public StringReader get(@Header(name=HEADER) @Schema(cf="multi") String[] h) {
  			return reader(h == null ? "null" : Utils.join(h, '|'));
  		}
  	}
  
  	//------------------------------------------------------------------------------------------------------------------
  	// Method tests
  	//------------------------------------------------------------------------------------------------------------------
  
  	@Test void a01_basic() throws Exception {
  		var c = client().build();
  
  		// Normal usage.
  		c.get().header(csvHeader(HEADER,VALUE)).run().assertContent(VALUE);
  		c.get().header(csvHeader(HEADER,VALUE)).run().assertContent(VALUE);
  		c.get().header(csvHeader(HEADER,PARSED)).run().assertContent(VALUE);
  		c.get().header(csvHeader(HEADER,()->PARSED)).run().assertContent(VALUE);
  
  		// Invalid usage.
  		c.get().header(csvHeader(HEADER,(Supplier<String[]>)null)).run().assertContent().isEmpty();
  		c.get().header(csvHeader(HEADER,()->null)).run().assertContent().isEmpty();
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader("", VALUE));
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader(null, VALUE));
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader("", PARSED));
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader(null, PARSED));
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader("", ()->PARSED));
  		assertThrowsWithMessage(IllegalArgumentException.class, "Name cannot be empty on header.", ()->csvHeader(null, ()->PARSED));
  	}
  
  	@Test void a02_contains() {
  		var x = new BasicCsvHeader("Foo", (String)null,"bar","baz");
  		assertTrue(x.contains(null));
  		assertTrue(x.containsIgnoreCase(null));
  		assertTrue(x.contains("bar"));
  		assertTrue(x.containsIgnoreCase("bar"));
  		assertFalse(x.contains("qux"));
  		assertFalse(x.containsIgnoreCase("qux"));
  		assertFalse(x.contains("BAR"));
  		assertTrue(x.containsIgnoreCase("BAR"));
  
  		var x2 = csvHeader("Foo",()->null);
  		assertFalse(x2.contains((String)null));
  		assertFalse(x2.containsIgnoreCase(null));
  		assertFalse(x2.contains("bar"));
  		assertFalse(x2.containsIgnoreCase("bar"));
  	}
  
  	@Test void a03_assertList() {
  		csvHeader("Foo", "bar").assertList().isContains("bar").assertList().isNotContains("baz");
  		new BasicCsvHeader("Foo", (String)null).assertList().isNull();
  	}
  
  	//------------------------------------------------------------------------------------------------------------------
  	// Helper methods.
  	//------------------------------------------------------------------------------------------------------------------
  
 	private static RestClient.Builder client() {
 		return MockRestClient.create(A.class);
 	}
 }