/*
 * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.gradle.tasks.internal

import org.jetbrains.kotlin.gradle.dsl.*
import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile

/**
 * Temporary workaround for external plugins that tries to set up freeCompilerArgs
 * in task execution phase.
 */
@Suppress("DEPRECATION_ERROR", "OVERRIDE_DEPRECATION")
class KotlinJsOptionsCompat(
    private val task: () -> Kotlin2JsCompile,
    override val options: KotlinJsCompilerOptions
) : KotlinJsOptions {
    override var freeCompilerArgs: List<String>
        get() {
            val executionTimeFreeCompilerArgs = task().executionTimeFreeCompilerArgs
            return if (!isTaskExecuting) {
                options.freeCompilerArgs.get()
            } else if (executionTimeFreeCompilerArgs != null) {
                executionTimeFreeCompilerArgs
            } else {
                // returned at execution time before freeCompilerArgs modification
                task().enhancedFreeCompilerArgs.get()
            }
        }

        set(value) = if (isTaskExecuting) {
            task().nagUserFreeArgsModifiedOnExecution(value)
            task().executionTimeFreeCompilerArgs = value
        } else {
            options.freeCompilerArgs.set(value)
        }

    private val isTaskExecuting: Boolean
        get() = task().state.executing
}
