apply plugin: 'eclipse'
apply from: 'gradleScripts/eclipseFilters.gradle'
apply from: "gradleScripts/eclipseLauncher.gradle"


/***************************************************************************************
 * Make sure the correct version of gradle is being used
 ***************************************************************************************/
if (gradle.gradleVersion != "5.0") {
	throw new GradleException("Requires Gradle 5.0, but was run with $gradle.gradleVersion")
}

/***************************************************************************************
 * Define the location of JAVA_HOME
 ***************************************************************************************/
if (System.env.JAVA_HOME) {
	// Allow Gradle's default JAVA_HOME to be overridden by an environment variable we set
	project.ext.JAVA_HOME = System.env.JAVA_HOME;
}
else {
	project.ext.JAVA_HOME = "${System.properties.'java.home'}/../"
}
/*********************************************************************************
 *  Define the location of bin repo
 *********************************************************************************/
project.ext.GHIDRA_GROUP = "Z Ghidra"
project.ext.BIN_REPO = file("${projectDir}/../ghidra.bin").absolutePath
project.ext.ROOT_PROJECT_DIR = projectDir.absolutePath
project.ext.BIN_REPO_PATH = BIN_REPO // TODO make path names consistent

/*********************************************************************************
 *  Prevent forked Java processes from stealing focus
 *********************************************************************************/
allprojects {
	tasks.withType(JavaForkOptions) {
		jvmArgs '-Djava.awt.headless=true'
	}
}

/*********************************************************************************
 *  load properties from Ghidra/application.properties file
 *********************************************************************************/

apply from: "gradleScripts/loadApplicationProperties.gradle"

/*********************************************************************************
 *  Set up the configurations and source sets for java projects
 *********************************************************************************/

apply from: "gradleScripts/setupJava.gradle"
apply from: "gradleScripts/setupJacoco.gradle" // Has a dependecy on ext vars in setupJava.gradle

/****************************************************************************
 * Create a set containing all the platforms we need when building native
 * artifacts.  This is here for convenience and can be used in a build file
 * with the following syntax:
 *
 *		project.OS_NAMES.each {...}
 ****************************************************************************/

project.ext.set("OS_NAMES", ["osx64", "win32", "win64", "linux64"])

/*********************************************************************************
 * Imports
 *  For these tasks to be available on all subprojects, this MUST be placed 
 *	after the "setupJava" configuration.
 *
 * Note: Distribution.gradle and distributionNew.gradle must not be applied at the
 * 		same time; they have tasks with the same name. The former is the 'old' way
 * 		of building (produces several zips) while the former produces only one. 
 * 		Eventually distribution.gradle will be removed entirely, but it is included
 *		here for the time being for those who need it.
 *********************************************************************************/

apply from: "gradleScripts/ip.gradle"						// adds tasks for building ip notices
apply from: 'gradleScripts/distribution.gradle'				// adds zip tasks
//apply from: 'gradleScripts/diagnostics/findbugs.gradle'		// adds findbugs tasks
apply from: 'gradleScripts/usage.gradle'						// adds task documentation
apply from: "gradleScripts/prepDev.gradle"					// adds prepDev task for each subproject
apply from: "gradleScripts/svg.gradle"						// adds task to process svg files
apply from: "gradleScripts/test.gradle"                     // adds tasks for running tests
apply from: "gradleScripts/jacoco.gradle"                   // adds tasks for java code coverage


apply plugin: 'base'
clean {
	delete "$buildDir"
}

/******************************************************************************************
 *
 * Utility methods used by multiple build.gradle files
 *
 *****************************************************************************************/	
	
/*********************************************************************************
 * Returns true if the platform is a linux machine.
 *********************************************************************************/
def isLinux(String platformName) {

	if (platformName.startsWith("linux")) {
		return true
	}
	else {
		return false
	}
}


/*********************************************************************************
 * Returns true if the platform is a mac
 *********************************************************************************/
def isMac(String platformName) {

	if (platformName.startsWith("osx")) {
		return true
	}
	else {
		return false
	}
}


/*********************************************************************************
 * Returns true if the platform is a Windows machine.
 *********************************************************************************/
def isWindows(String platformName) {

	if (platformName.startsWith("win")) {
		return true
	}
	else {
		return false
	}
}

/******************************************************************************************
 *	Helper method that returns a file that is the same relative location in the bin repo
 *  as the given project is in its repo.
 ******************************************************************************************/
File getProjectLocationInBinRepo(Project p) {
	String relativePath = getGhidraRelativePath(p)
	
	File binRepoRootProject = new File("${BIN_REPO}")
	return new File(binRepoRootProject, relativePath)
}

/****************************************************************************************
 * Returns the "effective" relative path (Path starting with Ghidra)
 * Normally, for files in the ghidra repo this is just the relative path from 
 * the root project (ghidra) to the given project.  
 *
 *  For example <...>/ghidra/Ghidra/Features/Base will return Ghidra/Features/Base
 *
 *  If the project is in a sibling repo (ghidra.<other> that lives in the same directory
 *  as ghidra), then this method returns a relative path as though the project lived
 *  in ghidra.  
 *
 *	for example <...>/ghidra.foo/Ghidra/Features/OtherProject will return Ghidra/Features/OtherProject
 ****************************************************************************************/
String getGhidraRelativePath(Project p) {
	String path = rootProject.relativePath(p.projectDir)

	// If the project lives outside the ghidra repo, then its relative path will
	// start with "../".  In this case, we want to remove the "../" and the next path element
	// so that the path will appear as though the project lived under the ghidra repo.
	// example:   "../ghidra/Ghidra/Features/Foo"  will get changed to "Ghidra/Features/Foo"
	String prefix = ".."+File.separator
	if (path.startsWith(prefix)) {
		int index = path.indexOf(File.separator,3)
		path = path.substring(index+1)
	}

	return path
}

/*********************************************************************************
 * Returns a relative path from the root (ghidra) to the project's directory.
 * This is used to determine where inside a zip file to place a particular artifact
 *  (we want them to all start at "Ghidra/...."
 *
 * ie: If we have the following:
 * 			project dir = /Users/<blah>/git/ghidra.master/ghidra/Ghidra/Features/Base
 *	 		root project = /Users/<blah>/git/ghidra.master/ghidra/Ghidra
 *
 *	 	Then the returned value will be:
 *	 		Ghidra/Features/Base 
 * 
 *  There are two special cases - Projects that live outside ghidra and projects
 *  that are extension projects.  Projects that live outside ghidra will
 *  have zip paths that make the project appear as if it did live in ghidra.
 *  Projects that extend other projects will appear as though they live in the project
 *  that they extend.  See the note at the top of the distribution.gradle file for more details.
 *********************************************************************************/
def getZipPath(Project p) {
	
	String path = getGhidraRelativePath(p)
		
	// if the project has been defined as an "extension" to another project, change its
	// zip path to the path of its "base" project.  A project is an extension if it has
	// defined an "extendsFromProject" property.
	
	if (p.hasProperty('extendsFromProject')) {
		Project baseProject = p.extendsFromProject
		path = getGhidraRelativePath(baseProject);
	}
	
	if (p.hasProperty("pathExtension")) {
		path = path + "/" + p.pathExtension
	}

	return path
}

def getBaseProjectName(Project p) {
	if (p.hasProperty('extendsFromProject')) {
		Project baseProject = p.extendsFromProject
		return baseProject.name
	}
	
	return p.name
}

/*********************************************************************************
 * Returns the current date formatted as yyyyMMdd.
 *********************************************************************************/
def getCurrentDate() {

	def date = new Date()
	def formattedDate = date.format('yyyyMMdd')
	return formattedDate
}

/*********************************************************************************
 * Returns the current date/time formatted as yyyyMMdd-HHmm.
 *********************************************************************************/
def getCurrentDateTime() {

	def date = new Date()
	def formattedDate = date.format('yyyyMMdd-HHmm')
	return formattedDate
}

/*********************************************************************************
 * Returns the current date/time formatted as yyyy-MMM-dd HHmm z.
 *********************************************************************************/
def getCurrentDateTimeLong() {

	def date = new Date()
	def formattedDate = date.format('yyyy-MMM-dd HHmm z')
	return formattedDate
}

/*********************************************************************************
 * Returns the local platform name.
 *********************************************************************************/
String getCurrentPlatformName() {

	String osName = System.getProperty("os.name")
	String archName = System.getProperty("os.arch")
		
	boolean isX86_32 = archName.equals("x86") || archName.equals("i386");
	boolean isX86_64 = archName.equals("x86_64") || archName.equals("amd64");

	if (osName.startsWith("Windows")) {
		if (isX86_32) {
			return 'win32'
		}
		else if (isX86_64) {
			return 'win64'
		}
	}
	else if (osName.startsWith("Linux")) {
		if (isX86_64) {
			return 'linux64'
		}
	}
	else if (osName.startsWith("Mac OS X")) {
		if (isX86_64) {
			return 'osx64'
		}
	}
	throw new GradleException("Unrecognized current platform -> osName = $osName, archName = $archName")
}

/*********************************************************************************
 * Returns a list of all the external library paths declared as dependencies for the 
 *         given project  
 *
 *********************************************************************************/
List<String> getExternalDependencies(Project project) {

	List<String> list = new ArrayList<String>()

	// for each dependency in the compile configuration
	Configuration runtimeConfig = project.configurations.runtime
	runtimeConfig.allDependencies.each { dep ->
		
		// if the dependency is an external jar
		if (dep.class.toString().contains("DefaultExternalModuleDependency")) {
	
			// loop back through all the dependency files, looking for one that contains the dependency name.
			String depPath = runtimeConfig.find {
				it.name.contains(dep.name)
			}
			
			// if we found the path, then add it to the list
			if (depPath && !depPath.contains("libsForBuild")) {
				list.add(depPath)
			}
		}	
	}
	return list
}

/******************************************************************************************
 * 
 * Creates a file that lists the libraries used by each module.
 *
 ******************************************************************************************/
String generateLibraryDependencyMapping() {
	File libsFile = file("$buildDir/libraryDependencies.txt")
	
	// Check to make sure the build folder exists - if it doesn't, the 'libsFile.withWriter'
	// call (below) will fail miserably.
	def buildFolder = file ("$buildDir")
	if (!buildFolder.exists()) {
		buildFolder.mkdirs()
	}
	
	libsFile.withWriter { out ->
		subprojects { p ->
			List<String> libs = getExternalDependencies(p);
			if (libs != null) {
				out.println "Module: $p.name"
				libs.each { path ->
					out.println "\t$path"
				}
			}
		}
	}
	return libsFile.absolutePath
}

task allEclipse {
	dependsOn ':eclipse'
}

allprojects { proj ->
	if (proj != rootProject) {
		allEclipse.dependsOn ":$proj.name:eclipse"
	}
}