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/*
 * Copyright 2017-2020 original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.micronaut.ktor

import io.ktor.server.engine.ApplicationEngine
import io.ktor.server.engine.ApplicationEngineEnvironmentBuilder
import io.micronaut.runtime.Micronaut

/**
 * Allows configuring the Ktor application engine.
 *
 * @author
 * @since 1.0
 */
abstract class KtorApplication(val builder: KtorApplication.() -> Unit) {

    var environment : ApplicationEngineEnvironmentBuilder = ApplicationEngineEnvironmentBuilder()
    var configuration : TConfiguration.() -> Unit = {}

    fun applicationEngineEnvironment(builder: ApplicationEngineEnvironmentBuilder.() -> Unit): ApplicationEngineEnvironmentBuilder {
        return environment.apply(builder)
    }

    fun applicationEngine(builder: TConfiguration.() -> Unit): KtorApplication {
        configuration = builder
        return this
    }

    fun init() {
        builder(this)
    }
}

/**
 * Runs a Micronaut application.
 */
fun runApplication(args: Array) {
    Micronaut.run(*args)
}