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/*
 * Copyright 2022 Danilo Reinert
 *
 * 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 io.reinert.requestor.gson.rebind;

import javax.lang.model.element.Modifier;

import com.squareup.javapoet.TypeSpec;

import io.reinert.requestor.gson.rebind.codegen.TypeAssembler;
import io.reinert.requestor.gson.rebind.codegen.TypeInfo;

public class SerializationModuleAssembler extends TypeAssembler {

    private final TypeInfo moduleTypeInfo;
    private final SerializationModuleSchema schema;
    private final SerializationModuleCode code;

    public SerializationModuleAssembler(TypeInfo moduleTypeInfo,
                                        Iterable serializerAssemblers) {
        super(moduleTypeInfo.getPackage().getName(), getTypeImplName(moduleTypeInfo));

        this.moduleTypeInfo = moduleTypeInfo;
        this.schema = new SerializationModuleSchema();
        this.code = new SerializationModuleCode(schema, serializerAssemblers);
    }

    @Override
    protected TypeSpec.Builder getSpec() {
        return TypeSpec.classBuilder(simpleName())
                .addModifiers(Modifier.PUBLIC)
                .addSuperinterface(moduleTypeInfo.getClassName())
                .addField(schema.serializerListField.assemble(code.serializerListField()))
                .addField(schema.typeProvidersListField.assemble(code.typeProvidersListField()))
//                .addMethod(schema.constructor.assemble(code.constructor()))
                .addMethod(schema.getSerializersMethod.assemble(code.getSerializersListMethod()))
                .addMethod(schema.getTypeProvidersMethod.assemble(code.getTypeProvidersListMethod()));
    }

    private static String getTypeImplName(TypeInfo typeInfo) {
        return typeInfo.getQualifiedName()
                .replace(typeInfo.getPackage().getName() + ".", "")
                .replace('.', '_') + "Impl";
    }
}