using API.DBAccess;
using OpenAI.Chat;

namespace API.Services
{
    public class OpenAiRecipes
    {
        private readonly IConfiguration _configuration;

        public OpenAiRecipes(IConfiguration configuration)
        {
            _configuration = configuration;
        }

        public async Task<ChatCompletion> ChatGPT(string message, string language, int numberOfRecipes = 5)
        {
            ChatClient client = new(
                model: _configuration["OpenAI:Model"],
                apiKey: _configuration["OpenAI:APIKey"]
                );

            string jsonStructure = "{ name: string, description: string,  directions: [string, string, ...], ingredients: [ { amount: number?, unit: string?, name: string }]}";

            List<ChatMessage> messages = [
                new SystemChatMessage($"You are a a helpful assistant. You give back {numberOfRecipes} recipes on the dish that you have been given. Answer in the language {language}. " +
                $"Answer in .json format using this structure {jsonStructure}. " +
                $"For the ingredients keep the names short ie. 'grated cheese' instead of 'cheese, grated (e.g., cheddar or gouda)'"),
                new UserChatMessage(message),
                ];

            ChatCompletion chat = await client.CompleteChatAsync(messages);

            return chat;
        }
    }
}