/*
    * 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.io;
  
  import static org.apache.juneau.commons.utils.IoUtils.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.io.*;
  import java.nio.file.*;
  import java.util.*;
  
  import org.apache.juneau.*;
  import org.junit.jupiter.api.*;
  
  class LocalFile_Test extends TestBase {
  
  	private static final Path TEST_FILE = Paths.get("src/test/resources/files/Test3.properties");
  
  	//====================================================================================================
  	// Constructor tests - filesystem
  	//====================================================================================================
  	@Test void a01_constructorWithPath() {
  		var file = new LocalFile(TEST_FILE);
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void a02_constructorWithPath_null() {
  		assertThrows(IllegalArgumentException.class, () -> {
  			new LocalFile((Path)null);
  		});
  	}
  
  	@Test void a03_constructorWithPath_rootPath() {
  		var path = Paths.get("/");
  		assertThrows(IllegalArgumentException.class, () -> {
  			new LocalFile(path);
  		});
  	}
  
  	//====================================================================================================
  	// Constructor tests - classpath
  	//====================================================================================================
  	@Test void b01_constructorWithClassAndPath() {
  		var file = new LocalFile(LocalFile_Test.class, "files/Test3.properties");
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void b02_constructorWithClassAndPath_noSlash() {
  		var file = new LocalFile(LocalFile_Test.class, "Test3.properties");
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void b03_constructorWithClassAndPath_nestedPath() {
  		var file = new LocalFile(LocalFile_Test.class, "files/subdir/Test3.properties");
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void b04_constructorWithClassAndPath_nullClass() {
  		assertThrows(IllegalArgumentException.class, () -> {
  			new LocalFile((Class<?>)null, "path");
  		});
  	}
  
  	@Test void b05_constructorWithClassAndPath_nullPath() {
  		assertThrows(IllegalArgumentException.class, () -> {
  			new LocalFile(LocalFile_Test.class, null);
  		});
  	}
  
  	//====================================================================================================
  	// getName() tests
  	//====================================================================================================
  	@Test void c01_getName_filesystem() {
  		var file = new LocalFile(TEST_FILE);
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void c02_getName_classpath() {
  		var file = new LocalFile(LocalFile_Test.class, "files/Test3.properties");
  		assertEquals("Test3.properties", file.getName());
  	}
  
  	@Test void c03_getName_classpath_noSlash() {
  		var file = new LocalFile(LocalFile_Test.class, "Test3.properties");
  		assertEquals("Test3.properties", file.getName());
 	}
 
 	//====================================================================================================
 	// read() tests - filesystem
 	//====================================================================================================
 	@Test void d01_read_filesystem() throws IOException {
 		var file = new LocalFile(TEST_FILE);
 		try (var is = file.read()) {
 			var p = new Properties();
 			p.load(new StringReader(read(is, Files.size(TEST_FILE))));
 			assertEquals("files/Test3.properties", p.get("file"));
 		}
 	}
 
 	@Test void d02_read_filesystem_multipleTimes() throws IOException {
 		var file = new LocalFile(TEST_FILE);
 		String content1;
 		try (var is1 = file.read()) {
 			content1 = read(is1, Files.size(TEST_FILE));
 			assertNotNull(content1);
 		}
 		try (var is2 = file.read()) {
 			var content2 = read(is2, Files.size(TEST_FILE));
 			assertNotNull(content2);
 			assertEquals(content1, content2);
 		}
 	}
 
 	//====================================================================================================
 	// read() tests - classpath
 	//====================================================================================================
 	@Test void d03_read_classpath() throws IOException {
 		var file = new LocalFile(LocalFile_Test.class, "/files/Test3.properties");
 		try (var is = file.read()) {
 			assertNotNull(is);
 			var p = new Properties();
 			p.load(new StringReader(read(is)));
 			assertEquals("files/Test3.properties", p.get("file"));
 		}
 	}
 
 	@Test void d04_read_classpath_nonexistent() {
 		var file = new LocalFile(LocalFile_Test.class, "/nonexistent.properties");
 		assertThrows(IOException.class, () -> {
 			file.read();
 		});
 	}
 
 	//====================================================================================================
 	// cache() tests
 	//====================================================================================================
 	@Test void e01_cache_filesystem() throws IOException {
 		var file = new LocalFile(TEST_FILE);
 		var cached = file.cache();
 		assertSame(file, cached);
 		// After caching, read should return cached content
 		String content1;
 		try (var is1 = file.read()) {
 			content1 = read(is1, Files.size(TEST_FILE));
 		}
 		try (var is2 = file.read()) {
 			var content2 = read(is2, Files.size(TEST_FILE));
 			assertEquals(content1, content2);
 		}
 	}
 
 	@Test void e02_cache_classpath() throws IOException {
 		var file = new LocalFile(LocalFile_Test.class, "/files/Test3.properties");
 		var cached = file.cache();
 		assertSame(file, cached);
 		// After caching, read should return cached content
 		String content1;
 		try (var is1 = file.read()) {
 			content1 = read(is1, 1000);
 		}
 		try (var is2 = file.read()) {
 			var content2 = read(is2, 1000);
 			assertEquals(content1, content2);
 		}
 	}
 
 	@Test void e03_cache_multipleCalls() throws IOException {
 		var file = new LocalFile(TEST_FILE);
 		file.cache();
 		file.cache(); // Should be safe to call multiple times
 		file.cache();
 		try (var is = file.read()) {
 			assertNotNull(is);
 		}
 	}
 
 	//====================================================================================================
 	// size() tests
 	//====================================================================================================
 	@Test void f01_size_filesystem() throws IOException {
 		var file = new LocalFile(TEST_FILE);
 		var size = file.size();
 		assertTrue(size > 0);
 		assertEquals(Files.size(TEST_FILE), size);
 	}
 
 	@Test void f02_size_classpath() throws IOException {
 		var file = new LocalFile(LocalFile_Test.class, "files/Test3.properties");
 		var size = file.size();
 		assertEquals(-1, size); // Classpath files return -1
 	}
 }