/*
 * Copyright 2010-2016 JetBrains s.r.o.
 *
 * 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
 *
 * http://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 org.jetbrains.kotlin.resolve.checkers

import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.diagnostics.Diagnostic
import org.jetbrains.kotlin.diagnostics.Errors.*
import org.jetbrains.kotlin.resolve.calls.checkers.CallChecker
import org.jetbrains.kotlin.resolve.calls.checkers.CallCheckerContext
import org.jetbrains.kotlin.resolve.calls.checkers.isComputingDeferredType
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedMemberDescriptor
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.utils.newLinkedHashSetWithExpectedSize

object MissingDependencyClassChecker : CallChecker {
    override fun check(resolvedCall: ResolvedCall<*>, reportOn: PsiElement, context: CallCheckerContext) {
        val resultingDescriptor = resolvedCall.resultingDescriptor
        for (diagnostic in collectDiagnostics(reportOn, resultingDescriptor)) {
            context.trace.report(diagnostic)
        }

        val containerSource = (resultingDescriptor as? DeserializedMemberDescriptor)?.containerSource
        incompatibilityDiagnosticFor(containerSource, reportOn)?.let(context.trace::report)
    }

    private fun diagnosticFor(descriptor: ClassifierDescriptor, reportOn: PsiElement): Diagnostic? {
        if (descriptor is NotFoundClasses.MockClassDescriptor) {
            return MISSING_DEPENDENCY_CLASS.on(reportOn, descriptor.fqNameSafe)
        }

        return incompatibilityDiagnosticFor(descriptor.source, reportOn)
