using System;
using System.Collections.Generic;
using Amazon.Lambda.APIGatewayEvents;
using Newtonsoft.Json;

/*
Follow PMF response standard
*/
public static class HttpService
{
    public static APIGatewayProxyResponse CreateResponse(int statusCode, Object payload = null, Exception exception = null, bool? forcedResult = null, bool serializeToJson = true)
    {
        string body = "";
        object responseBody = null;

        //Anything that is not a 200 returns false. but you can force a result
        if (forcedResult != null)
        {
            responseBody = new
            {
                result = forcedResult.Value,
                payload = payload

            };
        }
        else
        {
            if (statusCode < 200 || statusCode >= 300)
            {
                responseBody = new
                {
                    result = false,
                    payload = payload
                };
            }
            else
            {
                responseBody = new
                {
                    result = true,
                    payload = payload
                };
            }
        }

        var check = exception != null ? body = exception.Message : body = serializeToJson ? (payload != null) ?
           JsonConvert.SerializeObject(responseBody) : string.Empty : responseBody.ToString(); ;
        var response = new APIGatewayProxyResponse
        {
            StatusCode = statusCode,
            Body = body,
            Headers = new Dictionary<string, string>
                {
                    { "Content-Type", "application/json" },
                    { "Access-Control-Allow-Origin", "*" }
                }
        };

        return response;
    }
}