// 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.

'use strict';

// [START googlegenaisdk_ctrlgen_with_resp_schema]
const {GoogleGenAI} = require('@google/genai');

const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';

async function generateResponseSchema(
  projectId = GOOGLE_CLOUD_PROJECT,
  location = GOOGLE_CLOUD_LOCATION
) {
  const client = new GoogleGenAI({
    vertexai: true,
    project: projectId,
    location: location,
  });

  const prompt = 'List a few popular cookie recipes.';

  const responseSchema = {
    type: 'ARRAY',
    items: {
      type: 'OBJECT',
      properties: {
        recipeName: {type: 'STRING'},
        ingredients: {
          type: 'ARRAY',
          items: {type: 'STRING'},
        },
      },
      required: ['recipeName', 'ingredients'],
    },
  };

  const response = await client.models.generateContent({
    model: 'gemini-2.5-flash',
    contents: prompt,
    config: {
      responseMimeType: 'application/json',
      responseSchema: responseSchema,
    },
  });

  console.log(response.text);

  // Example output:
  // [
  //     {
  //         "ingredients": [
  //             "2 1/4 cups all-purpose flour",
  //             "1 teaspoon baking soda",
  //             "1 teaspoon salt",
  //             "1 cup (2 sticks) unsalted butter, softened",
  //             "3/4 cup granulated sugar",
  //             "3/4 cup packed brown sugar",
  //             "1 teaspoon vanilla extract",
  //             "2 large eggs",
  //             "2 cups chocolate chips",
  //         ],
  //         "recipe_name": "Chocolate Chip Cookies",
  //     }
  // ]

  return response.text;
}

// [END googlegenaisdk_ctrlgen_with_resp_schema]

module.exports = {
  generateResponseSchema,
};
