// Throw an error if the core sub-project wasn't cloned
if (!file("./coreSubProjects/LICENSE.txt").exists()) {
    println('''
It seems that the core sub project was not included...
 please make sure that when you were cloning the repo, you were using the `--recurse-submodules` flag on git.
 and if its too late now to re-clone the project, please grab the core sub project in whatever way you can from https://gitlab.com/jeseibel/distant-horizons-core.git

If you still need help with compiling, please read the Readme.md
    ''')
    throw new GradleException("coreSubProject not found")
}


def loadVersionProperties() {
    def mcVers = fileTree("versionProperties").files.collect { it.name.replaceAll("\\.properties", "") }
        .sort { a, b ->
            def aParts = a.tokenize('.'); def bParts = b.tokenize('.')
            for (int i = 0; i < Math.min(aParts.size(), bParts.size()); i++) {
                def aNum = aParts[i].isInteger() ? aParts[i].toInteger() : aParts[i]
                def bNum = bParts[i].isInteger() ? bParts[i].toInteger() : bParts[i]
                def compare = aNum <=> bNum
                if (compare != 0) return compare
            }
            return aParts.size() <=> bParts.size()
        }

    def mcVersion = hasProperty("mcVer") ? mcVer : ""
    def mcIndex = mcVers.indexOf(mcVersion)

    if (mcIndex == -1) {
        def defaultVersion = "1.20.1"
        println "No mcVer set or invalid. Defaulting to ${defaultVersion}."
        println "Tip: Use -PmcVer=\"${defaultVersion}\" to set the MC version."
        mcVersion = defaultVersion
        mcIndex = mcVers.indexOf(defaultVersion)
        assert mcIndex != -1 : "Default MC version ${defaultVersion} not found in ${mcVers}"
    }

    println "Available MC versions: ${mcVers}"
    println "Loading properties file: ${mcVersion}.properties"

    def props = new Properties()
    props.load(new FileInputStream("$rootDir/versionProperties/${mcVersion}.properties"))

    props.each { key, value -> gradle.ext.set(key, value) }
    gradle.ext.mcVers = mcVers
    gradle.ext.mcIndex = mcIndex
}
loadVersionProperties()


// Minecraft-independent sub-projects
include("core")
project(":core").projectDir = file('coreSubProjects/core')
include("api")
project(":api").projectDir = file('coreSubProjects/api')

// Minecraft-dependent sub-projects
include("common")
((String) gradle.builds_for).split(",").each { loader ->
    def loaderName = loader.trim()
    println "Adding loader: ${loaderName}"
    include(loaderName)
}


rootProject.name = "DistantHorizons"