/*
 * Copyright 2021, TeamDev. All rights reserved.
 *
 * 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
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.tools.mc.java.protoc.field;

import com.google.common.collect.ImmutableList;
import io.spine.tools.java.code.field.FieldFactory;
import io.spine.code.java.ClassName;
import io.spine.tools.mc.java.protoc.ClassMember;
import io.spine.tools.mc.java.protoc.CodeGenerationTask;
import io.spine.tools.mc.java.protoc.CompilerOutput;
import io.spine.tools.protoc.JavaClassName;
import io.spine.type.MessageType;

import static com.google.common.collect.ImmutableList.toImmutableList;

/**
 * An abstract base for strongly-typed field generation tasks.
 */
abstract class FieldGenerationTask implements CodeGenerationTask {

    private final JavaClassName fieldSupertype;
    private final FieldFactory factory;

    FieldGenerationTask(JavaClassName fieldSupertype, FieldFactory factory) {
        this.fieldSupertype = fieldSupertype;
        this.factory = factory;
    }

    /**
     * Performs the actual code generation using the supplied {@linkplain #factory}.
     */
    ImmutableList<CompilerOutput> generateFieldsFor(MessageType type) {
        ClassName className = ClassName.of(fieldSupertype.getCanonical());
        return factory
                .createFor(type, className)
                .stream()
                .map(classBody -> ClassMember.nestedClass(classBody, type))
                .collect(toImmutableList());
    }
}

@@ -1350,42 +1350,27 @@
 ine.
-tools
+code
 .java.
-code.field.FieldFactory
+ClassName
 ;%0Aim
@@ -1383,35 +1383,50 @@
 o.spine.
-code
+tools
 .java.
-ClassName
+code.field.FieldFactory
 ;%0Aimport

Clean up imports