using Amazon.Lambda.APIGatewayEvents;
using Amazon.Lambda.Core;
using AwsDotnetCsharp.Model;
using classes;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;

namespace PMF
{
    public class ContactUs : Pmfbase
    {
        public APIGatewayProxyResponse ContactUsInformation(APIGatewayProxyRequest request, ILambdaContext context)
        {
            APIGatewayProxyResponse response;
            string statement = "DB::ContactUs";
            string cognitoUuid = "";

            try
            {
                string validationMessage = string.Empty;

                if (request != null && request.Body != null)
                {
                    var data = JsonConvert.DeserializeObject<JObject>(request.Body);
                    var validRequest = Helper.ValidateRequestParameters(ref validationMessage, data, "strName", "strSurname", "strEmail", "idNumber", "strMessage");
                    if (validRequest)
                    {
                        var email = data["strEmail"].ToString();

                        //Only save if this is available
                        if (Helper.IsAValidEmail(email))
                        {
                            var mailer = new Services.Mailer();
                            var contactUs = JsonConvert.DeserializeObject<ContactUsModel>(request.Body);
                            mailer.SendEmail(contactUs);
                            response = HttpService.CreateResponse(200, payload: "Message Received");
                        }
                        else
                        {
                            response = HttpService.CreateResponse(400, payload: "Invalid Email");
                            _logger.WriteLog(cognitoUuid, statement, response.Body.ToString(), "DB");
                            return response;
                        }
                    }
                    else
                    {
                        _logger.LogMessage(context, $"Processing request failed {validationMessage}");
                        response = HttpService.CreateResponse(400, payload: $"{validationMessage}");
                        return response;
                    }
                }
                else
                {
                    response = HttpService.CreateResponse(400, payload: "No parameters provided");
                    _logger.WriteLog(cognitoUuid, statement, response.Body.ToString(), "DB");
                    return response;
                }
            }
            catch (Exception ex)
            {
                response = HttpService.CreateResponse(500, payload: ex.Message);
                _logger.WriteLog(cognitoUuid, statement, response.Body.ToString(), "DB");
                return response;
            }

            return response;
        }
    }
}