/*
 * 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.jdbi.v3.sqlobject.locator;

import java.lang.reflect.Method;
import java.util.function.Function;

import org.jdbi.v3.core.config.ConfigRegistry;
import org.jdbi.v3.core.locator.ClasspathSqlLocator;
import org.jdbi.v3.sqlobject.internal.SqlAnnotations;

See Also:
ClasspathSqlLocator/**
 * @see org.jdbi.v3.core.locator.ClasspathSqlLocator
 */
public class SqlObjectClasspathSqlLocator implements SqlLocator {
    private final ClasspathSqlLocator locator;

    public SqlObjectClasspathSqlLocator() {
        this(ClasspathSqlLocator.removingComments());
    }

    public SqlObjectClasspathSqlLocator(ClasspathSqlLocator locator) {
        this.locator = locator;
    }

    @Override
    public String locate(Class<?> sqlObjectType, Method method, ConfigRegistry config) {
        Function<String, String> valueOrMethodNameToSql = key -> {
            String filename = key.isEmpty() ? method.getName() : key;
            return locator.locate(sqlObjectType, filename);
        };

        return SqlAnnotations.getAnnotationValue(method, valueOrMethodNameToSql)
            .orElseThrow(() -> new IllegalStateException(String.format("method %s has no query annotations", method)));
    }
}