using DamageAssesment.Api.SurveyResponses.Bases;
using DamageAssesment.Api.SurveyResponses.Db;
using DamageAssesment.Api.SurveyResponses.Interfaces;
using DamageAssesment.Api.SurveyResponses.Models;
using Newtonsoft.Json;
using System.Data.Common;
using System.Security.Cryptography;
using System.Text.Json.Nodes;
using System.Text;

namespace DamageAssesment.Api.SurveyResponses.Providers
{
    public class AnswerServiceProvider : ServiceProviderBase, IAnswerServiceProvider
    {

        public AnswerServiceProvider(IConfiguration configuration, HttpClient httpClient, ILogger<AnswerServiceProvider> logger, IRegionServiceProvider regionServiceProvider, ILocationServiceProvider locationServiceProvider) : base(configuration, httpClient, logger, "/api/Answers", configuration.GetValue<string>("EndPointSettings:AnswerUrlBase"))
        {
        }
        public async Task<List<Answer>> getAnswersAsync()
        {
            try
            {
                httpClient.BaseAddress = new Uri(urlBase);
                var response = await httpClient.GetAsync(ressource);
                response.EnsureSuccessStatusCode();
                var responseString = await response.Content.ReadAsStringAsync();
                var answers = JsonConvert.DeserializeObject<List<Answer>>(responseString);

                if (answers == null || !answers.Any())
                    return null;
                else return answers;
            }
            catch (Exception ex)
            {
                logger?.LogError($"Exception Found : {ex.Message} - Ref: AnswerServiceProvider.getAnswersAsync()");
                return null;
            }
        }

        public async Task<List<Answer>> GetAnswersByResponseIdAsync(int responseId)
        {
            try
            {
                httpClient.BaseAddress = new Uri(urlBase);
                
                var response = await httpClient.GetAsync("/api/AnswersByResponse/"+ responseId);
                response.EnsureSuccessStatusCode();
                var responseString = await response.Content.ReadAsStringAsync();
                var answers = JsonConvert.DeserializeObject<List<Answer>>(responseString);

                if (answers == null || !answers.Any())
                    return null;
                else return answers;
            }
            catch (Exception ex)
            {
                logger?.LogError($"Exception Found : {ex.Message} - Ref: AnswerServiceProvider.GetAnswersByResponseId()");
                return null;
            }
        }

        public async Task<Answer> PostAnswersAsync(Answer answer)
        {
            try
            {
                httpClient.BaseAddress = new Uri(urlBase);
                var jsonObject = JsonConvert.SerializeObject(answer);
                var content = new StringContent(jsonObject.ToString(), Encoding.UTF8, "application/json");
                var response = await httpClient.PostAsync(ressource,content);
                response.EnsureSuccessStatusCode();
                var responseString = await response.Content.ReadAsStringAsync();
                var answers = JsonConvert.DeserializeObject<Answer>(responseString);

                if (answers == null) {
                    logger?.LogError($"Answer cannot be added - Ref: AnswerServiceProvider.PostAnswersAsync()");
                    return null;
                }       
                else return answers;
            }
            catch (Exception ex)
            {
                logger?.LogError($"Exception Found : {ex.Message} - Ref: AnswerServiceProvider.PostAnswersAsync()");
                return null;
            }
        }
    }
}