import net.darkhax.curseforgegradle.TaskPublishCurseForge
import org.w3c.dom.Document
import org.w3c.dom.NodeList

import javax.xml.parsers.DocumentBuilderFactory
import java.nio.ByteBuffer
import java.nio.charset.StandardCharsets

plugins {
    id 'java-library'
    id 'idea'
    id 'maven-publish'
    id 'net.darkhax.curseforgegradle' version '1.1.18'
    id 'com.modrinth.minotaur' version '2.+'
    id 'net.neoforged.moddev' version '[2.0,2.1)'
}

version = minecraft_version + "-" + mod_version

repositories {
    mavenLocal()
}

base {
    archivesName = project.name
}

java.toolchain.languageVersion = JavaLanguageVersion.of(21)

// Include resources generated by data generators.
sourceSets.main.resources { srcDir 'src/generated/resources' }
configurations {
    runtimeClasspath.extendsFrom localRuntime
}

neoForge {
    version = project.neo_version

    validateAccessTransformers = true

    parchment {
        minecraftVersion = project.parchment_minecraft_version
        mappingsVersion = project.parchment_mappings_version
    }

    runs {
        client {
            client()

            systemProperty 'neoforge.enableGameTestNamespaces', project.modid
        }

        server {
            server()
            programArgument '--nogui'
            systemProperty 'neoforge.enabledGameTestNamespaces', project.modid
        }

        data {
            data()
            programArguments.addAll '--mod', project.modid, '--all', '--output', file('src/generated/resources/').getAbsolutePath(), '--existing', file('src/main/resources/').getAbsolutePath()
        }

        gameTestServer {
            type = "gameTestServer"
            systemProperty 'neoforge.enabledGameTestNamespaces', project.modid
        }

        configureEach {
            // "SCAN": For mods scan.
            // "REGISTRIES": For firing of registry events.
            // "REGISTRYDUMP": For getting the contents of all registries.
            systemProperty 'forge.logging.markers', 'REGISTRIES'
            logLevel = org.slf4j.event.Level.DEBUG
            gameDirectory = project.file('run' + name.capitalize())
        }
    }

    mods {
        // define mod <-> source bindings
        // these are used to tell the game which sources are for which mod
        // mostly optional in a single mod project
        // but multi mod projects should define one per mod
        "${modid}" {
            sourceSet(sourceSets.main)
        }
    }
}

tasks.withType(ProcessResources).configureEach {
    var replaceProperties = [
            minecraft_version   : minecraft_version,
            neo_version         : neo_version,
            loader_version_range: loader_version_range,
            modid               : modid,
            license             : license,
            mod_version         : version
    ]
    inputs.properties replaceProperties

    filesMatching(['META-INF/neoforge.mods.toml']) {
        expand replaceProperties
    }
}

tasks.withType(JavaCompile).configureEach {
    options.encoding = 'UTF-8'
}

idea {
    module {
        downloadSources = true
        downloadJavadoc = true
    }
}

private static String getVersion(String baseVersion, URL url) {
    try {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection()
        connection.setRequestMethod("GET")

        Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(connection.getInputStream())
        NodeList versionNodes = doc.getElementsByTagName("version")

        String latestVersion = null
        for (int i = 0; i < versionNodes.getLength(); i++) {
            String version = versionNodes.item(i).getTextContent()
            if (version.startsWith(baseVersion)) {
                latestVersion = version
            }
        }

        if (latestVersion == null) {
            return baseVersion + ".0"
        }

        return baseVersion + "." + (Integer.parseInt(latestVersion.substring(latestVersion.lastIndexOf('.') + 1)) + 1)
    } catch (FileNotFoundException ignored) {
        // This exception is thrown if the maven-metadata.xml file doesn't exist at the provided URL,
        // which would be the case if there were no previous publications to this Maven repository with this project
        return baseVersion + ".0"
    } catch (Exception e) {
        throw new RuntimeException(e)
    }
}

if (!getProperty('project', 'curse').isEmpty()) {
    task curseforge(type: TaskPublishCurseForge) {
        apiToken = project.findProperty('curse_token') ?: System.getenv('CURSEFORGE_TOKEN') ?: ''

        Closure fileConfig = { file ->
            file.releaseType = getProperty('release', 'curse', 'release')
            file.changelog = changelog(project)
            file.changelogType = 'markdown'
            getArray(getProperty('requirements', 'curse')).each { file.addRequirement(it) }
            getArray(getProperty('optionals', 'curse')).each { file.addOptional(it) }
            getArray(getProperty('versions', 'curse', minecraft_version)).each { file.addGameVersion(it) }
            file.addModLoader('neoforge')
        }

        def mainFile = upload(getProperty('project', 'curse'), jar)
        fileConfig(mainFile)
    }
    project.tasks.getByName('curseforge').dependsOn('build')
}

if (!getProperty('project', 'modrinth').isEmpty()) {

    modrinth {
        token = project.findProperty('modrinth_token') ?: System.getenv('MODRINTH_TOKEN') ?: ''
        projectId = getProperty('project', 'modrinth')
        versionNumber = project.version
        versionName = jar.getArchiveFileName().get()
        uploadFile = jar

        dependencies = []
        changelog = changelog(project)
        versionType = getProperty('release', 'modrinth', 'release')
        getArray(getProperty('requirements', 'modrinth')).each { dependencies.add(new com.modrinth.minotaur.dependencies.ModDependency(it, 'required')) }
        getArray(getProperty('optionals', 'modrinth')).each { dependencies.add(new com.modrinth.minotaur.dependencies.ModDependency(it, 'optional')) }
        gameVersions = getArray(getProperty('versions', 'modrinth', minecraft_version)).toList()
        loaders = ['neoforge']
    }
}

String getProperty(String entry, String platform) {
    return getProperty(entry, platform, '')
}

String getProperty(String entry, String platform, String ret) {
    return project.findProperty('upload_' + entry) ?: project.findProperty(platform + '_' + entry) ?: ret
}

static String[] getArray(String deps) {
    return deps.split(',')*.strip().toList().findAll { !it.isEmpty() }
}

String changelog(Project project) {
    String logFmt = '--pretty=tformat:"- [%s](' + project.changelog_repository.toString() + ') - *%aN*"'
    def stdout = new ByteArrayOutputStream()
    def gitHash = System.getenv('GIT_COMMIT')
    def gitPrevHash = System.getenv('GIT_PREVIOUS_COMMIT')
    if (gitPrevHash == "0000000000000000000000000000000000000000") {
        gitPrevHash = "HEAD~1"
    }

    if (gitHash != null && gitPrevHash != null) {
        exec {
            commandLine 'bash', '-c', "git log ${logFmt} ${gitPrevHash}...${gitHash} | grep -v '^- \\[\\[meta\\]'"
            standardOutput = stdout
        }
    } else {
        stdout.write('No changelog provided\n'.getBytes(StandardCharsets.UTF_8))
    }

    return StandardCharsets.UTF_8.decode(ByteBuffer.wrap(stdout.toByteArray())).toString()
}