/*
    * 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.commons.collections;
  
  import static org.apache.juneau.commons.utils.CollectionUtils.*;
  import static org.apache.juneau.junit.bct.BctAssertions.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.util.*;
  
  import org.apache.juneau.*;
  import org.apache.juneau.collections.*;
  import org.junit.jupiter.api.*;
  
  class Args_Test extends TestBase {
  
  	//-----------------------------------------------------------------------------------------------------------------
  	// test - Basic tests
  	//-----------------------------------------------------------------------------------------------------------------
  	@Test void basic() {
  		var a = new Args(a());
  
  	// Empty args
  	assertNull(a.getArg(0));
  	assertNull(a.getArg(1));
  	assertNull(a.getArg(-1));
  	assertNull(a.getArg("foo"));
  	assertEmpty(a.getArgs("foo"));
  	assertFalse(a.containsKey("foo"));
  
  	a = new Args(a("foo"));
  	assertEquals("foo", a.getArg(0));
  	assertNull(a.getArg(1));
  	assertNull(a.getArg(-1));
  	assertNull(a.getArg("foo"));
  	assertEmpty(a.getArgs("foo"));
  	assertFalse(a.containsKey("foo"));
  
  	a = new Args(a("foo", "bar bar"));
  	assertEquals("foo", a.getArg(0));
  	assertEquals("bar bar", a.getArg(1));
  	assertNull(a.getArg(-1));
  	assertNull(a.getArg("foo"));
  	assertEmpty(a.getArgs("foo"));
  	assertFalse(a.containsKey("foo"));
  
  	a = new Args(a("foo", "bar bar", "-foo"));
  	assertEquals("foo", a.getArg(0));
  	assertEquals("bar bar", a.getArg(1));
  	assertNull(a.getArg(-1));
  	assertNull(a.getArg("foo"));
  	assertEmpty(a.getArgs("foo"));
  	assertTrue(a.containsKey("foo"));
  
  	a = new Args(a("foo", "bar bar", "-foo", "bar bar"));
  	assertEquals("foo", a.getArg(0));
  	assertEquals("bar bar", a.getArg(1));
  	assertNull(a.getArg(-1));
  	assertEquals("bar bar", a.getArg("foo"));
  	assertSize(1, a.getArgs("foo"));
  		assertEquals("bar bar", a.getArgs("foo").get(0));
  		assertTrue(a.containsKey("foo"));
  	}
  
  	//-----------------------------------------------------------------------------------------------------------------
  	// test - Fluent setters
  	//-----------------------------------------------------------------------------------------------------------------
  	@Test void fluentSetters() {
  		var a = new Args(a("main1"));
  
  		// Test inner() returns same instance for fluent chaining
  		var innerMap = new HashMap<String,Object>();
  		innerMap.put("test", "value");
  		assertSame(a, a.inner(innerMap));
  
  		// Test session() returns same instance
  		BeanSession session = BeanContext.DEFAULT.getSession();
  		assertSame(a, a.session(session));
  
  		// Test append(String, Object) returns same instance
  		assertSame(a, a.append("key1", "value1"));
  		assertEquals("value1", a.get("key1"));
  
  		// Test append(Map) returns same instance
  		var appendMap = new HashMap<String,Object>();
 		appendMap.put("key2", "value2");
 		assertSame(a, a.append(appendMap));
 		assertEquals("value2", a.get("key2"));
 
 		// Test appendIf() returns same instance
 		assertSame(a, a.appendIf(true, "key3", "value3"));
 		assertEquals("value3", a.get("key3"));
 		assertSame(a, a.appendIf(false, "key4", "value4"));
 		assertNull(a.get("key4"));
 
 		// Test filtered() returns same instance
 		assertSame(a, a.filtered(x -> x != null));
 
 		// Test keepAll() returns same instance
 		assertSame(a, a.keepAll("key1", "key2"));
 
 		// Test setBeanSession() returns same instance
 		assertSame(a, a.setBeanSession(session));
 
 		// Test modifiable() returns same instance
 		assertSame(a, a.modifiable());
 
 		// Test unmodifiable() returns same instance
 		assertSame(a, a.unmodifiable());
 	}
 
 	@Test void fluentChaining() {
 		// Test multiple fluent calls can be chained
 		var a = new Args(a("main1"))
 			.append("key1", "value1")
 			.append("key2", "value2")
 			.appendIf(true, "key3", "value3");
 
 		assertEquals("value1", a.get("key1"));
 		assertEquals("value2", a.get("key2"));
 		assertEquals("value3", a.get("key3"));
 	}
 }