/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.shenyu.plugin.ai.common.spring.ai.registry;

import org.apache.shenyu.common.enums.AiModelProviderEnum;
import org.apache.shenyu.plugin.ai.common.spring.ai.AiModelFactory;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.List;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

class AiModelFactoryRegistryTest {

    private AiModelFactoryRegistry registry;

    private AiModelFactory supportedFactory;

    private AiModelFactory unsupportedFactory;

    @BeforeEach
    void setUp() {
        supportedFactory = mock(AiModelFactory.class);
        when(supportedFactory.supports(AiModelProviderEnum.OPEN_AI)).thenReturn(true);

        unsupportedFactory = mock(AiModelFactory.class);
        when(unsupportedFactory.supports(AiModelProviderEnum.OPEN_AI)).thenReturn(false);

        registry = new AiModelFactoryRegistry(List.of(supportedFactory, unsupportedFactory));
    }

    @Test
    void testGetFactoryWithSupportedModelType() {
        AiModelFactory factory = registry.getFactory(AiModelProviderEnum.OPEN_AI);
        assertNotNull(factory);
        assertEquals(supportedFactory, factory);
    }

    @Test
    void testGetFactoryWithUnsupportedModelType() {
        IllegalArgumentException exception = assertThrows(IllegalArgumentException.class, () -> {
            registry.getFactory(AiModelProviderEnum.DEEP_SEEK);
        });
        assertEquals("Unsupported AI model: DEEP_SEEK", exception.getMessage());
    }
}
