buildscript {
	repositories {
		maven { url "https://repo.spring.io/plugins-release" }
	}
	dependencies {
		classpath("org.gradle.api.plugins:gradle-tomcat-plugin:1.2.5")
	}
}

apply plugin: 'tomcat'

dependencies {
	def tomcatVersion = '7.0.54'
	tomcat "org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}",
		   "org.apache.tomcat.embed:tomcat-embed-logging-juli:${tomcatVersion}",
		   "org.apache.tomcat.embed:tomcat-embed-websocket:${tomcatVersion}"
	tomcat("org.apache.tomcat.embed:tomcat-embed-jasper:${tomcatVersion}") {
		exclude group: 'org.eclipse.jdt.core.compiler', module: 'ecj'
	}
}

task integrationTomcatRun(type: org.gradle.api.plugins.tomcat.tasks.TomcatRun) {
	onlyIf { !sourceSets.integrationTest.allSource.empty }
	buildscriptClasspath = tomcatRun.buildscriptClasspath
	contextPath = tomcatRun.contextPath
	daemon = true
	tomcatClasspath = tomcatRun.tomcatClasspath
	webAppClasspath = tomcatRun.webAppClasspath
	webAppSourceDirectory = tomcatRun.webAppSourceDirectory
	doFirst {
		def mainOutputDir = project.sourceSets.main.output.classesDir
		if(mainOutputDir) {
			classesDirectory = mainOutputDir
		}
		// delay reserving ports to ensure they are still available
		def ports = reservePorts(3)
		httpPort = ports[0]
		ajpPort = ports[1]
		stopPort = ports[2]
	}
}

task integrationTomcatStop(type: org.gradle.api.plugins.tomcat.tasks.TomcatStop) {
	onlyIf { !sourceSets.integrationTest.allSource.empty }
	doFirst {
		stopPort = integrationTomcatRun.stopPort
	}
}

integrationTest {
	dependsOn integrationTomcatRun
	doFirst {
		def host = 'localhost:' + integrationTomcatRun.httpPort
		systemProperties['geb.build.baseUrl'] = 'http://'+host+'/' + integrationTomcatRun.contextPath + '/'
		systemProperties['geb.build.reportsDir'] = 'build/geb-reports'
	}
	finalizedBy integrationTomcatStop
}

def reservePorts(int count) {
	def sockets = []
	for(int i in 1..count) {
		sockets << new ServerSocket(0)
	}
	def result = sockets*.localPort
	sockets*.close()
	result
}