PizzaExpress-Server/PizzaExpress/API/SpoonacularApi.cs

namespace PizzaExpress.API
{
    public class SpoonacularApi
    {
        private readonly HttpClient _httpClient;
        private readonly string _apiKey;

        public SpoonacularApi(HttpClient httpClient, IConfiguration configuration)
        {
            _httpClient = httpClient;

            _apiKey = configuration["Spoonacular:ApiKey"];
        }

        public async Task<List<string>> GetIngredientiDaPizzaAsync(string nomePizza)
        {
            var searchUrl = $"https://api.spoonacular.com/recipes/complexSearch?query={Uri.EscapeDataString(nomePizza)}&language=it&number=1&apiKey={_apiKey}";
            // Chiamata GET Ricerca
            var searchResponse = await _httpClient.GetFromJsonAsync<SearchResponse>(searchUrl);
            if (searchResponse == null || searchResponse.Results.Count == 0)
                return new List<string>();
            // Prendiamo l'ID della prima ricetta trovata
            int recipeId = searchResponse.Results[0].Id;

            // Query per ottenere gli ingredienti della ricetta
            var ingredientiUrl = $"https://api.spoonacular.com/recipes/{recipeId}/ingredientWidget.json?language=it&apiKey={_apiKey}";
            // Chiamata GET Ingredienti
            var ingredientiResponse = await _httpClient.GetFromJsonAsync<IngredientiResponse>(ingredientiUrl);
            
            return ingredientiResponse.Ingredients.Select(i => i.Name).ToList();
        }

        private class SearchResponse
        {
            public List<SearchResult> Results { get; set; } = new();
        }
        private class SearchResult
        {
            public int Id { get; set; }
        }
        private class IngredientiResponse
        {
            public List<Ingrediente> Ingredients { get; set; } = new();
        }
        private class Ingrediente
        {
            public string Name { get; set; } = "";
        }
    }
}