4 files changed, 534 insertions, 0 deletions
diff --git a/src/main/kotlin/dev/isxander/yacl3/dsl/API.kt b/src/main/kotlin/dev/isxander/yacl3/dsl/API.kt
new file mode 100644
index 0000000..87778e5
--- /dev/null
+++ b/src/main/kotlin/dev/isxander/yacl3/dsl/API.kt
@@ -0,0 +1,105 @@
+package dev.isxander.yacl3.dsl
+
+import dev.isxander.yacl3.api.*
+import net.minecraft.network.chat.Component
+
+interface YACLDsl {
+    val namespaceKey: String
+
+    val categories: YACLDslReference
+
+    fun title(component: Component)
+    fun title(block: () -> Component)
+
+    fun category(id: String, block: CategoryDsl.() -> Unit): ConfigCategory
+
+    fun save(block: () -> Unit)
+}
+
+interface OptionAddableDsl {
+    fun <T : Any> option(id: String, block: OptionDsl<T>.() -> Unit): Option<T>
+}
+
+interface CategoryDsl : OptionAddableDsl {
+    val groups: CategoryDslReference
+    val options: GroupDslReference
+
+    fun group(id: String, block: GroupDsl.() -> Unit): OptionGroup
+
+    fun name(component: Component)
+    fun name(block: () -> Component)
+
+    fun tooltip(vararg component: Component)
+    fun tooltipBuilder(block: TooltipBuilderDsl.() -> Unit)
+    fun useDefaultTooltip(lines: Int = 1)
+}
+
+interface GroupDsl : OptionAddableDsl {
+    val options: GroupDslReference
+
+    fun name(component: Component)
+    fun name(block: () -> Component)
+
+    fun descriptionBuilder(block: OptionDescription.Builder.() -> Unit)
+    fun description(description: OptionDescription)
+    fun useDefaultDescription(lines: Int = 1)
+}
+
+interface OptionDsl<T> : Option.Builder<T> {
+    val option: FutureValue<Option<T>>
+
+    fun OptionDescription.Builder.addDefaultDescription(lines: Int? = null)
+}
+
+interface TooltipBuilderDsl {
+    fun text(component: Component)
+    fun text(block: () -> Component)
+
+    operator fun Component.unaryPlus()
+
+    class Delegate(private val tooltipFunction: (Component) -> Unit) : TooltipBuilderDsl {
+        override fun text(component: Component) {
+            tooltipFunction(component)
+        }
+
+        override fun text(block: () -> Component) {
+            text(block())
+        }
+
+        override fun Component.unaryPlus() {
+            text(this)
+        }
+    }
+}
+
+interface YACLDslReference : Reference<CategoryDslReference> {
+    fun get(): YetAnotherConfigLib?
+
+    val isBuilt: Boolean
+
+    fun registering(block: CategoryDsl.() -> Unit): RegisterableDelegateProvider<CategoryDsl, ConfigCategory>
+}
+
+interface CategoryDslReference : Reference<GroupDslReference> {
+    fun get(): ConfigCategory?
+
+    val root: GroupDslReference
+
+    val isBuilt: Boolean
+
+    fun registering(block: GroupDsl.() -> Unit): RegisterableDelegateProvider<GroupDsl, OptionGroup>
+}
+
+interface GroupDslReference {
+    fun get(): OptionGroup?
+
+    operator fun <T> get(id: String): FutureValue<Option<T>>
+
+    val isBuilt: Boolean
+
+    fun <T : Any> registering(block: OptionDsl<T>.() -> Unit): RegisterableDelegateProvider<OptionDsl<T>, Option<T>>
+}
+
+
+
+
diff --git a/src/main/kotlin/dev/isxander/yacl3/dsl/Extensions.kt b/src/main/kotlin/dev/isxander/yacl3/dsl/Extensions.kt
new file mode 100644
index 0000000..4b93f5f
--- /dev/null
+++ b/src/main/kotlin/dev/isxander/yacl3/dsl/Extensions.kt
@@ -0,0 +1,36 @@
+package dev.isxander.yacl3.dsl
+
+import dev.isxander.yacl3.api.Option
+import dev.isxander.yacl3.api.OptionDescription
+import dev.isxander.yacl3.api.OptionGroup
+import dev.isxander.yacl3.api.controller.ControllerBuilder
+import net.minecraft.network.chat.Component
+import kotlin.reflect.KMutableProperty0
+
+fun <T : Any> Option.Builder<T>.binding(property: KMutableProperty0<T>, default: T) {
+    binding(default, { property.get() }, { property.set(it) })
+}
+
+fun <T : Any> Option.Builder<T>.descriptionBuilder(block: OptionDescription.Builder.(T) -> Unit) {
+    description { OptionDescription.createBuilder().apply { block(it) }.build() }
+}
+
+fun Option.Builder<*>.descriptionBuilderConst(block: OptionDescription.Builder.() -> Unit) {
+    description(OptionDescription.createBuilder().apply(block).build())
+}
+
+fun Option.Builder<*>.available(block: () -> Boolean) {
+    available(block())
+}
+
+fun OptionDescription.Builder.text(block: () -> Component) {
+    text(block())
+}
+
+fun OptionGroup.Builder.descriptionBuilder(block: OptionDescription.Builder.() -> Unit) {
+    description(OptionDescription.createBuilder().apply(block).build())
+}
+
+fun <T, B : ControllerBuilder<T>> Option.Builder<T>.controller(builder: (Option<T>) -> B, block: B.() -> Unit = {}) {
+    controller { builder(it).apply(block) }
+}
diff --git a/src/main/kotlin/dev/isxander/yacl3/dsl/Util.kt b/src/main/kotlin/dev/isxander/yacl3/dsl/Util.kt
new file mode 100644
index 0000000..819365c
--- /dev/null
+++ b/src/main/kotlin/dev/isxander/yacl3/dsl/Util.kt
@@ -0,0 +1,110 @@
+package dev.isxander.yacl3.dsl
+
+import dev.isxander.yacl3.api.Option
+import kotlin.properties.ReadOnlyProperty
+import kotlin.reflect.KProperty
+
+interface FutureValue<T> {
+    fun onReady(block: (T) -> Unit)
+    fun <R> map(block: (T) -> R): FutureValue<R>
+    fun <R> flatMap(block: (T) -> FutureValue<R>): FutureValue<R>
+    fun getOrNull(): T?
+    fun getOrThrow(): T = getOrNull() ?: error("Value not ready yet!")
+
+    open class Impl<T>(default: T? = null) : FutureValue<T> {
+        var value: T? = default
+            set(value) {
+                field = value
+                while (taskQueue.isNotEmpty()) {
+                    taskQueue.removeFirst()(value!!)
+                }
+            }
+        private val taskQueue = ArrayDeque<(T) -> Unit>()
+
+        override fun onReady(block: (T) -> Unit) {
+            if (value != null) block(value!!)
+            else taskQueue.add(block)
+        }
+
+        override fun <R> map(block: (T) -> R): FutureValue<R> {
+            val future = Impl<R>()
+            onReady {
+                future.value = block(it)
+            }
+            return future
+        }
+
+        override fun <R> flatMap(block: (T) -> FutureValue<R>): FutureValue<R> {
+            val future = Impl<R>()
+            onReady {
+                block(it).onReady { inner ->
+                    future.value = inner
+                }
+            }
+            return future
+        }
+
+        override fun getOrNull(): T? = value
+    }
+}
+
+interface Reference<T> : ReadOnlyProperty<Any?, FutureValue<T>> {
+    operator fun get(id: String): FutureValue<T>
+
+    override fun getValue(thisRef: Any?, property: KProperty<*>): FutureValue<T> {
+        return get(property.name)
+    }
+
+    operator fun invoke(name: String? = null, block: (T) -> Unit): ReadOnlyProperty<Any?, FutureValue<T>> {
+        return ReadOnlyProperty { thisRef, property ->
+            val future = get(name ?: property.name)
+            future.onReady(block)
+            future
+        }
+    }
+}
+
+
+operator fun <T> FutureValue<out Reference<T>>.get(id: String): FutureValue<T> {
+    val future = FutureValue.Impl<FutureValue<T>>()
+    onReady {
+        future.value = it[id]
+    }
+    return future.flatten()
+}
+
+fun FutureValue<GroupDslReference>.getOption(id: String): FutureValue<Option<*>> {
+    val future = FutureValue.Impl<FutureValue<Option<*>>>()
+    onReady {
+        future.value = it.get<Any?>(id) as FutureValue<Option<*>>
+    }
+    return future.flatten()
+}
+
+
+private fun <T> FutureValue<FutureValue<T>>.flatten(): FutureValue<T> {
+    val future = FutureValue.Impl<T>()
+    onReady { outer ->
+        outer.onReady { inner ->
+            future.value = inner
+        }
+    }
+    return future
+}
+
+class RegisterableDelegateProvider<Dsl, Return>(
+    private val registerFunction: (String, Dsl.() -> Unit) -> Return,
+    private val action: Dsl.() -> Unit
+) {
+    operator fun provideDelegate(thisRef: Any?, property: KProperty<*>): ExistingDelegateProvider<Return> {
+        return ExistingDelegateProvider(registerFunction(property.name, action))
+    }
+}
+
+class ExistingDelegateProvider<Return>(
+    private val delegate: Return
+) {
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): Return {
+        return delegate
+    }
+}
diff --git a/src/main/kotlin/dev/isxander/yacl3/dsl/YetAnotherConfigLibDsl.kt b/src/main/kotlin/dev/isxander/yacl3/dsl/YetAnotherConfigLibDsl.kt
new file mode 100644
index 0000000..8c10cfd
--- /dev/null
+++ b/src/main/kotlin/dev/isxander/yacl3/dsl/YetAnotherConfigLibDsl.kt
@@ -0,0 +1,283 @@
+package dev.isxander.yacl3.dsl
+
+import dev.isxander.yacl3.api.*
+import net.minecraft.locale.Language
+import net.minecraft.network.chat.Component
+
+fun YetAnotherConfigLib(namespace: String, block: YACLDsl.() -> Unit): YetAnotherConfigLib {
+    val context = YACLDslContext(namespace)
+    context.block()
+    return context.build()
+}
+
+class YACLDslContext(
+    private val namespace: String,
+    private val builder: YetAnotherConfigLib.Builder = YetAnotherConfigLib.createBuilder()
+) : YACLDsl {
+    private val categoryMap = LinkedHashMap<String, YACLDslCategoryContext>()
+    private val categoryDslReferenceMap = mutableMapOf<String, FutureValue.Impl<CategoryDslReference>>()
+
+    override val namespaceKey = "yacl3.config.$namespace"
+
+    private var used = false
+    private var built: YetAnotherConfigLib? = null
+
+    private var saveFunction: () -> Unit = {}
+
+    override val categories = object : YACLDslReference {
+        override fun get(): YetAnotherConfigLib? = built
+
+        override operator fun get(id: String): FutureValue<CategoryDslReference> =
+            FutureValue.Impl(categoryMap[id]?.groups).also { categoryDslReferenceMap[id] = it }
+
+        override fun registering(block: CategoryDsl.() -> Unit): RegisterableDelegateProvider<CategoryDsl, ConfigCategory> {
+            return RegisterableDelegateProvider({ id, configuration -> category(id, configuration) }, block)
+        }
+
+        override val isBuilt: Boolean
+            get() = built != null
+    }
+
+    init {
+        title(Component.translatable("$namespaceKey.title"))
+    }
+
+    override fun title(component: Component) {
+        builder.title(component)
+    }
+
+    override fun title(block: () -> Component) {
+        title(block())
+    }
+
+    override fun category(id: String, block: CategoryDsl.() -> Unit): ConfigCategory {
+        val context = YACLDslCategoryContext(id, this)
+        context.block()
+        categoryMap[id] = context
+        categoryDslReferenceMap[id]?.value = context.groups
+
+        val built = context.build()
+        builder.category(built)
+
+        return built
+    }
+
+    override fun save(block: () -> Unit) {
+        val oldSaveFunction = saveFunction
+        saveFunction = { // allows stacking of save functions
+            oldSaveFunction()
+            block()
+        }
+    }
+
+    fun build(): YetAnotherConfigLib {
+        if (used) error("Cannot use the same DSL context twice!")
+        used = true
+
+        builder.save(saveFunction)
+
+        return builder.build().also { built = it }
+    }
+}
+
+class YACLDslCategoryContext(
+    private val id: String,
+    private val root: YACLDslContext,
+    private val builder: ConfigCategory.Builder = ConfigCategory.createBuilder(),
+) : CategoryDsl {
+    private val groupMap = LinkedHashMap<String, YACLDslGroupContext>()
+    private val groupDslReferenceMap = mutableMapOf<String, FutureValue.Impl<GroupDslReference>>()
+    val categoryKey = "${root.namespaceKey}.$id"
+
+    private var built: ConfigCategory? = null
+
+    private val rootGroup: YACLDslGroupContext = YACLDslGroupContext(id, this, builder.rootGroupBuilder(), root = true)
+
+    override val groups = object : CategoryDslReference {
+        override fun get(): ConfigCategory? = built
+
+        override fun get(id: String): FutureValue<GroupDslReference> =
+            FutureValue.Impl(groupMap[id]?.options).also { groupDslReferenceMap[id] = it }
+
+        override val root: GroupDslReference
+            get() = rootGroup.options
+
+        override fun registering(block: GroupDsl.() -> Unit): RegisterableDelegateProvider<GroupDsl, OptionGroup> {
+            return RegisterableDelegateProvider({ id, configuration -> group(id, configuration) }, block)
+        }
+
+        override val isBuilt: Boolean
+            get() = built != null
+
+    }
+
+    override val options = rootGroup.options
+
+    init {
+        builder.name(Component.translatable("$categoryKey.title"))
+    }
+
+    override fun name(component: Component) {
+        builder.name(component)
+    }
+
+    override fun name(block: () -> Component) {
+        name(block())
+    }
+
+    override fun group(id: String, block: GroupDsl.() -> Unit): OptionGroup {
+        val context = YACLDslGroupContext(id, this)
+        context.block()
+        groupMap[id] = context
+        groupDslReferenceMap[id]?.value = context.options
+
+        return context.build().also {
+            builder.group(it)
+        }
+    }
+
+    override fun <T : Any> option(id: String, block: OptionDsl<T>.() -> Unit): Option<T> =
+        rootGroup.option(id, block)
+
+    override fun tooltip(vararg component: Component) {
+        builder.tooltip(*component)
+    }
+
+    override fun tooltipBuilder(block: TooltipBuilderDsl.() -> Unit) {
+        val builder = TooltipBuilderDsl.Delegate { builder.tooltip(it) }
+        builder.block()
+    }
+
+    override fun useDefaultTooltip(lines: Int) {
+        if (lines == 1) {
+            builder.tooltip(Component.translatable("$categoryKey.tooltip"))
+        } else for (i in 1..lines) {
+            builder.tooltip(Component.translatable("$categoryKey.tooltip.$i"))
+        }
+    }
+
+    fun build(): ConfigCategory {
+        return builder.build().also { built = it }
+    }
+}
+
+class YACLDslGroupContext(
+    private val id: String,
+    private val category: YACLDslCategoryContext,
+    private val builder: OptionGroup.Builder = OptionGroup.createBuilder(),
+    private val root: Boolean = false,
+) : GroupDsl {
+    private val optionMap = LinkedHashMap<String, YACLDslOptionContext<*>>()
+    private val optionDslReferenceMap = mutableMapOf<String, FutureValue.Impl<Option<*>>>()
+    val groupKey = "${category.categoryKey}.$id"
+    private var built: OptionGroup? = null
+
+    override val options = object : GroupDslReference {
+        override fun get(): OptionGroup? = built
+
+        override fun <T> get(id: String): FutureValue<Option<T>> =
+            FutureValue.Impl(optionMap[id]).flatMap { it.option as FutureValue<Option<T>> }.also { optionDslReferenceMap[id] = it as FutureValue.Impl<Option<*>> }
+
+        override fun <T : Any> registering(block: OptionDsl<T>.() -> Unit): RegisterableDelegateProvider<OptionDsl<T>, Option<T>> {
+            return RegisterableDelegateProvider({ id, configuration -> option(id, configuration) }, block)
+        }
+
+        override val isBuilt: Boolean
+            get() = built != null
+
+    }
+
+    override fun name(component: Component) {
+        builder.name(component)
+    }
+
+    override fun name(block: () -> Component) {
+        name(block())
+    }
+
+    override fun descriptionBuilder(block: OptionDescription.Builder.() -> Unit) {
+        builder.description(OptionDescription.createBuilder().apply(block).build())
+    }
+
+    override fun description(description: OptionDescription) {
+        builder.description(description)
+    }
+
+    init {
+        if (!root) {
+            builder.name(Component.translatable("$groupKey.name"))
+        }
+    }
+
+    override fun <T : Any> option(id: String, block: OptionDsl<T>.() -> Unit): Option<T> {
+        val context = YACLDslOptionContext<T>(id, this)
+        context.block()
+        optionMap[id] = context
+
+        return context.build().also {
+            optionDslReferenceMap[id]?.value = it
+            builder.option(it)
+        }
+    }
+
+    override fun useDefaultDescription(lines: Int) {
+        descriptionBuilder {
+            if (lines == 1) {
+                text(Component.translatable("$groupKey.description"))
+            } else for (i in 1..lines) {
+                text(Component.translatable("$groupKey.description.$i"))
+            }
+        }
+    }
+
+    fun build(): OptionGroup {
+        return builder.build().also { built = it }
+    }
+}
+
+class YACLDslOptionContext<T : Any>(
+    private val id: String,
+    private val group: YACLDslGroupContext,
+    private val builder: Option.Builder<T> = Option.createBuilder()
+) : Option.Builder<T> by builder, OptionDsl<T> {
+    val optionKey = "${group.groupKey}.$id"
+    private var built: Option<T>? = null
+
+    private val taskQueue = ArrayDeque<(Option<T>) -> Unit>()
+    override val option = FutureValue.Impl<Option<T>>()
+
+    init {
+        name(Component.translatable("$optionKey.name"))
+    }
+
+    override fun OptionDescription.Builder.addDefaultDescription(lines: Int?) {
+        if (lines != null) {
+            if (lines == 1) {
+                text(Component.translatable("$optionKey.description"))
+            } else for (i in 1..lines) {
+                text(Component.translatable("$optionKey.description.$i"))
+            }
+        } else {
+            // loop until we find a key that doesn't exist
+            var i = 1
+            while (i < 100) {
+                val key = "$optionKey.description.$i"
+                if (Language.getInstance().has(key)) {
+                    text(Component.translatable(key))
+                }
+
+                i++
+            }
+        }
+    }
+
+    override fun build(): Option<T> {
+        return builder.build().also {
+            built = it
+            option.value = it
+            while (taskQueue.isNotEmpty()) {
+                taskQueue.removeFirst()(it)
+            }
+        }
+    }
+}