/*
 * Copyright 2026 the original author or 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
 *
 *      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.gradle.internal.serialize.codecs.dm

import org.gradle.api.internal.artifacts.result.ResolvedComponentResultInternal
import org.gradle.internal.serialize.graph.Codec
import org.gradle.internal.serialize.graph.ReadContext
import org.gradle.internal.serialize.graph.WriteContext
import org.gradle.internal.serialize.graph.decodePreservingSharedIdentity
import org.gradle.internal.serialize.graph.encodePreservingSharedIdentityOf

class ResolvedComponentResultCodec(
    private val resolvedGraphResultCodec: ResolvedGraphResultCodec
) : Codec<ResolvedComponentResultInternal> {

    override suspend fun WriteContext.encode(value: ResolvedComponentResultInternal) {
        encodePreservingSharedIdentityOf(value) {
            writeSmallInt(value.index())
            resolvedGraphResultCodec.run {
                encode(value.graph())
            }
        }
    }

    override suspend fun ReadContext.decode(): ResolvedComponentResultInternal {
        return decodePreservingSharedIdentity {
            val index = readSmallInt()
            val graph = resolvedGraphResultCodec.run {
                decode()
            }
            graph.getComponent(index)
        }
    }

}
