using System;
using System.Collections.Generic;
using Amazon.Lambda.Core;
using Amazon.Lambda.APIGatewayEvents;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using classes;
using System.Net.Http;
using System.Threading.Tasks;

namespace PMF
{
    public class Recaptcha: Pmfbase
    {
        public async Task<APIGatewayProxyResponse> IsRecaptchaValid(APIGatewayProxyRequest request, ILambdaContext context)
        {
            try
            {
                var data = JsonConvert.DeserializeObject<JObject>(request.Body);
                var token = data["recaptcha"].ToString();
                var client = new HttpClient();

                string privateKey = Constants.reCAPTCHA_KEY;
                var values = new Dictionary<string, string>
                {
                    {"secret", privateKey},
                    {"response", token},
                };

                var content = new FormUrlEncodedContent(values);
                var captchaRequest = await client.PostAsync(Constants.reCAPTCHA_URL, content);
                var captchaResponse = await captchaRequest.Content.ReadAsStringAsync();

                var result = JObject.Parse(captchaResponse);
                bool recaptchaResult = (bool)result.SelectToken("success");

                if (recaptchaResult)
                {
                    return HttpService.CreateResponse(200, payload: "true");
                }

                return HttpService.CreateResponse(200, payload: "false");

            }
            catch (Exception ex)
            {
                return HttpService.CreateResponse(500, payload: ex.Message);
            }

        }

    }

}