/*
 * Copyright 2025 Google LLC
 *
 * 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
 *
 *      https://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.
 */

import {googleAI} from '@genkit-ai/google-genai';
import {genkit, z} from 'genkit';
import {openAI} from '@genkit-ai/compat-oai/openai';
import {anthropic} from 'genkitx-anthropic';

const plugins = [];

if (process.env.GEMINI_API_KEY) {
  console.log('Initializing Google AI plugin...');
  plugins.push(
    googleAI({
      apiKey: process.env.GEMINI_API_KEY!,
      experimental_debugTraces: true,
    }),
  );
}
if (process.env.OPENAI_API_KEY) {
  console.log('Initializing OpenAI plugin...');
  plugins.push(openAI());
}
if (process.env.ANTHROPIC_API_KEY) {
  console.log('Initializing Anthropic plugin...');
  plugins.push(anthropic({apiKey: process.env.ANTHROPIC_API_KEY!}));
}

export const ai = genkit({
  plugins,
});

// Define a UI component generator flow
export const componentGeneratorFlow = ai.defineFlow(
  {
    name: 'componentGeneratorFlow',
    inputSchema: z.object({
      prompt: z.string(),
      model: z.any(),
      config: z.any().optional(),
      schema: z.any(),
    }),
    outputSchema: z.any(),
  },
  async ({prompt, model, config, schema}) => {
    // Generate structured component data using the schema from the file
    const {output} = await ai.generate({
      prompt,
      model,
      output: {contentType: 'application/json', jsonSchema: schema},
      config,
    });

    if (!output) throw new Error('Failed to generate component');

    return output;
  },
);
