import groovy.json.JsonSlurper
import org.gradle.api.tasks.testing.logging.TestExceptionFormat
import org.gradle.api.tasks.testing.logging.TestLogEvent

plugins {
    java // TODO java launcher tasks
    id("fun.bm.comfreyweight.patcher")
}

paperweight {
    filterPatches = false
    upstreams.register("folia") {
        repo = github("PaperMC", "Folia")
        ref = providers.gradleProperty("foliaRef")

        println("Upstream commit ref: " + ref.get())

        patchFile {
            path = "folia-server/build.gradle.kts"
            outputFile = file("lophine-server/build.gradle.kts")
            patchFile = file("lophine-server/build.gradle.kts.patch")
        }
        patchFile {
            path = "folia-api/build.gradle.kts"
            outputFile = file("lophine-api/build.gradle.kts")
            patchFile = file("lophine-api/build.gradle.kts.patch")
        }
        patchRepo("paperApi") {
            upstreamPath = "paper-api"
            patchesDir = file("lophine-api/paper-patches")
            outputDir = file("paper-api")
        }
        patchDir("foliaApi") {
            upstreamPath = "folia-api"
            excludes = listOf("build.gradle.kts", "build.gradle.kts.patch", "paper-patches")
            patchesDir = file("lophine-api/folia-patches")
            outputDir = file("folia-api")
        }
    }
}

val paperMavenPublicUrl = "https://repo.papermc.io/repository/maven-public/"
val bacteriawaMavenPublicUrl = "https://repo.bacteriawa.com/repository/maven-public/";

subprojects {
    apply(plugin = "java-library")
    apply(plugin = "maven-publish")

    extensions.configure<JavaPluginExtension> {
        toolchain {
            languageVersion = JavaLanguageVersion.of(25)
        }
    }

    repositories {
        mavenCentral()
        maven(paperMavenPublicUrl)
        maven(bacteriawaMavenPublicUrl)
    }

    dependencies {
        "testRuntimeOnly"("org.junit.platform:junit-platform-launcher")
    }

    tasks.withType<AbstractArchiveTask>().configureEach {
        isPreserveFileTimestamps = false
        isReproducibleFileOrder = true
    }
    tasks.withType<JavaCompile>().configureEach {
        options.encoding = Charsets.UTF_8.name()
        options.release = 25
        options.isFork = true
    }
    tasks.withType<Javadoc>().configureEach {
        options.encoding = Charsets.UTF_8.name()
    }
    tasks.withType<ProcessResources>().configureEach {
        filteringCharset = Charsets.UTF_8.name()
    }
    tasks.withType<Test> {
        testLogging {
            showStackTraces = true
            exceptionFormat = TestExceptionFormat.FULL
            events(TestLogEvent.STANDARD_OUT)
        }
    }

    extensions.configure<PublishingExtension> {
        repositories {
            maven("https://repo.bacteriawa.com/repository/maven-releases/") {
                name = "Bacteriawa"
                credentials(PasswordCredentials::class) {
                    username = System.getenv("PRIVATE_MAVEN_REPO_USERNAME")
                    password = System.getenv("PRIVATE_MAVEN_REPO_PASSWORD")
                }
            }
        }
    }

    tasks.withType<Javadoc>().configureEach {
        options {
            (this as StandardJavadocDocletOptions).apply {
                addStringOption("-add-modules", "jdk.incubator.vector")
                addStringOption("Xdoclint:none", "-quiet")
            }
        }
    }
}

// Sort all JSON language files under the lang directory by key in ASCII order
val langDir = layout.projectDirectory.dir("lophine-server/src/main/resources/assets/lophine/lang")
tasks.register("sortLangKeys") {
    group = "lophine"
    description = "Sort all JSON language files by key in ASCII (ordinal) order"
    notCompatibleWithConfigurationCache("Inline task action references build script class")
    inputs.dir(langDir).optional()
    outputs.dir(langDir)
    doLast {
        val dir = langDir.asFile
        if (!dir.isDirectory) {
            logger.warn("Lang directory not found: $dir")
            return@doLast
        }
        val jsonFiles = dir.listFiles { f -> f.extension == "json" }?.sortedBy { it.name } ?: emptyList()
        if (jsonFiles.isEmpty()) {
            logger.lifecycle("No .json files found in: $dir")
            return@doLast
        }
        val slurper = JsonSlurper()
        for (file in jsonFiles) {
            @Suppress("UNCHECKED_CAST")
            val data = slurper.parse(file) as Map<String, Any?>
            val sorted = data.toSortedMap()
            val pretty = formatJson(sorted)
            file.writeText(pretty + "\n", charset = Charsets.UTF_8)
            logger.lifecycle("Processed: ${file.name}  (${sorted.size} keys)")
        }
        logger.lifecycle("Done.")
    }
}

// --- Pure-Kotlin JSON serializer that preserves non-ASCII characters (e.g. CJK) ---
fun formatJson(value: Any?, indent: Int = 2): String {
    val sb = StringBuilder()
    appendJson(sb, value, indent, 0)
    return sb.toString()
}

private fun appendJson(sb: StringBuilder, value: Any?, indent: Int, level: Int) {
    when (value) {
        null -> sb.append("null")
        is Boolean -> sb.append(value)
        is Number -> sb.append(value)
        is String -> sb.append('"').append(escapeJsonString(value)).append('"')
        is List<*> -> {
            if (value.isEmpty()) { sb.append("[]"); return }
            sb.append("[\n")
            value.forEachIndexed { i, v ->
                sb.append(" ".repeat(indent * (level + 1)))
                appendJson(sb, v, indent, level + 1)
                if (i < value.size - 1) sb.append(',')
                sb.append('\n')
            }
            sb.append(" ".repeat(indent * level)).append(']')
        }
        is Map<*, *> -> {
            if (value.isEmpty()) { sb.append("{}"); return }
            sb.append("{\n")
            val entries = value.entries.toList()
            entries.forEachIndexed { i, (k, v) ->
                sb.append(" ".repeat(indent * (level + 1)))
                sb.append('"').append(escapeJsonString(k.toString())).append('"')
                sb.append(": ")
                appendJson(sb, v, indent, level + 1)
                if (i < entries.size - 1) sb.append(',')
                sb.append('\n')
            }
            sb.append(" ".repeat(indent * level)).append('}')
        }
        else -> sb.append('"').append(escapeJsonString(value.toString())).append('"')
    }
}

private fun escapeJsonString(s: String): String {
    val sb = StringBuilder(s.length)
    for (c in s) {
        when (c) {
            '"' -> sb.append("\\\"")
            '\\' -> sb.append("\\\\")
            '\b' -> sb.append("\\b")
            '\u000C' -> sb.append("\\f")
            '\n' -> sb.append("\\n")
            '\r' -> sb.append("\\r")
            '\t' -> sb.append("\\t")
            else -> if (c.code < 0x20) {
                sb.append("\\u").append(String.format("%04x", c.code))
            } else {
                sb.append(c) // preserve CJK and all other printable chars as-is
            }
        }
    }
    return sb.toString()
}