/*
 * Copyright 2010-2024 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.fir.analysis.jvm.checkers.expression

import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.diagnostics.reportOn
import org.jetbrains.kotlin.fir.analysis.checkers.MppCheckerKind
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.fir.analysis.checkers.expression.FirQualifiedAccessExpressionChecker
import org.jetbrains.kotlin.fir.analysis.diagnostics.jvm.FirJvmErrors.JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS
import org.jetbrains.kotlin.fir.containingClassLookupTag
import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
import org.jetbrains.kotlin.fir.isEnabled
import org.jetbrains.kotlin.fir.java.enhancement.inheritedKtPrivateCls
import org.jetbrains.kotlin.fir.references.toResolvedCallableSymbol

object FirJavaClassInheritsKtPrivateClassExpressionChecker : FirQualifiedAccessExpressionChecker(MppCheckerKind.Common) {

    context(context: CheckerContext, reporter: DiagnosticReporter)
    override fun check(expression: FirQualifiedAccessExpression) {
        if (!LanguageFeature.ProhibitJavaClassInheritingPrivateKotlinClass.isEnabled())
            return

        val calleeSymbol = expression.calleeReference.toResolvedCallableSymbol() ?: return
        val inheritedKtPrivateCls = calleeSymbol.inheritedKtPrivateCls
        if (inheritedKtPrivateCls != null) {
            // Only Java methods & constructors can have inheritedKtPrivateCls, and they always have containing class
            val javaClassId = calleeSymbol.containingClassLookupTag()!!.classId
            reporter.reportOn(expression.source, JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS, javaClassId, inheritedKtPrivateCls)
        }
    }
}
