ModuleAPI.kt refactor.

Signed-off-by: Pavel Erokhin (MairwunNx) <MairwunNx@gmail.com>

Author: MairwunNx

src/main/kotlin/com/mairwunnx/projectessentials/core/api/v1/module/ModuleAPI.kt

@@ -1,18 +1,29 @@
 package com.mairwunnx.projectessentials.core.api.v1.module
 
+import com.mairwunnx.projectessentials.core.api.v1.events.ModuleEventAPI
+import com.mairwunnx.projectessentials.core.api.v1.events.internal.ModuleCoreEventType
+import com.mairwunnx.projectessentials.core.api.v1.events.internal.ModuleEventData
+import com.mairwunnx.projectessentials.core.api.v1.extensions.empty
+import com.mairwunnx.projectessentials.core.api.v1.providers.ProviderAPI
+import com.mairwunnx.projectessentials.core.api.v1.providers.ProviderType
+import net.minecraftforge.fml.ModList
 import net.minecraftforge.fml.common.Mod
+import org.apache.logging.log4j.LogManager
 
 /**
  * Class for interacting with other modules.
  * @since 2.0.0-SNAPSHOT.1.
  */
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 object ModuleAPI {
+    private val logger = LogManager.getLogger()
+    private var modules = listOf<IModule>()
+
     /**
      * @return all installed and checked modules.
      * @since 2.0.0-SNAPSHOT.1.
      */
-    fun getAllModules() = ModuleProcessor.getModules()
+    fun getModules() = modules
 
     /**
      * @return module mod id what declared in `@Mod` annotation.
@@ -31,7 +42,7 @@ object ModuleAPI {
      * @since 2.0.0-SNAPSHOT.1.
      */
     fun getModuleByName(name: String) =
-        getAllModules().find { it.name.toLowerCase() == name.toLowerCase() }?.let {
+        getModules().asSequence().find { it.name.toLowerCase() == name.toLowerCase() }?.let {
             return@let it
         } ?: throw ModuleNotFoundException(
             "Module with name $name not found and not processed."
@@ -42,7 +53,35 @@ object ModuleAPI {
      * @return true if module existing or installed.
      * @since 2.0.0-SNAPSHOT.1.
      */
-    fun isModuleExist(module: String) = ModuleProcessor.getModules().find {
+    fun isModuleExist(module: String) = getModules().asSequence().find {
         it.name.toLowerCase() == module.toLowerCase()
     }.let { return@let it != null }
+
+    internal fun initializeOrdered() {
+        ProviderAPI.getProvidersByType(ProviderType.Module).forEach {
+            val clazz = if (it.isAnnotationPresent(Mod::class.java)) {
+                ModList.get().getModObjectById<IModule>(
+                    it.getAnnotation(Mod::class.java)?.value ?: String.empty
+                ).get()
+            } else it.newInstance() as IModule
+            ModuleEventAPI.fire(ModuleCoreEventType.OnModuleClassProcessing, ModuleEventData(clazz))
+            processIndexes(clazz.loadIndex)
+            logger.debug(
+                "Project Essentials module found: ${it.simpleName}, name: ${clazz.name}, version: ${clazz.version}"
+            )
+            modules = modules + clazz
+            ModuleEventAPI.fire(ModuleCoreEventType.OnModuleClassProcessed, ModuleEventData(clazz))
+        }.run { initialize() }
+    }
+
+    private fun initialize() =
+        modules.asSequence().sortedWith(compareBy { by -> by.loadIndex }).forEach { module ->
+            logger.info("Starting initializing module ${module.name}").also { module.init() }
+        }
+
+    private fun processIndexes(index: Int) {
+        modules.asSequence().find { it.loadIndex == index }?.let {
+            throw ModuleIndexDuplicateException("Module with same load index $index already processed.")
+        }
+    }
 }