using Amazon.Runtime.Internal.Endpoints.StandardLibrary;
using Amazon.S3.Model.Internal.MarshallTransformations;
using BMA.EHR.Application.Common.Interfaces;
using BMA.EHR.Domain.Models.Base;
using BMA.EHR.Domain.Models.HR;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Net.Http.Headers;
using System.Security.Claims;
using System.Text;

namespace BMA.EHR.Application.Repositories
{
    public class GenericRepository<S, T> : IGenericRepository<S, T> where T : class
    {
        #region " Field "

        private readonly IApplicationDBContext _dbContext;
        private readonly DbSet<T> _dbSet;
        private readonly IHttpContextAccessor _httpContextAccessor;

        #endregion

        #region " Constructor and Destructor "

        public GenericRepository(IApplicationDBContext dbContext,
                                 IHttpContextAccessor httpContextAccessor)
        {
            _dbContext = dbContext;
            _dbSet = _dbContext.Set<T>();
            _httpContextAccessor = httpContextAccessor;
            // _configuration = configuration;
        }

        #endregion

        #region " Properties "

        protected string? UserId => _httpContextAccessor?.HttpContext?.User?.FindFirst(ClaimTypes.NameIdentifier)?.Value;

        protected string? FullName => _httpContextAccessor?.HttpContext?.User?.FindFirst("name")?.Value;

        protected bool? IsPlacementAdmin => _httpContextAccessor?.HttpContext?.User?.IsInRole("placement1");

        protected string? AccessToken => _httpContextAccessor?.HttpContext?.Request.Headers["Authorization"];

        #endregion

        #region " Methods "

        #region " For Call External API "

        protected async Task<string> GetExternalAPIAsync(string apiPath, string accessToken, string apiKey, CancellationToken cancellationToken = default)
        {
            try
            {
                // กำหนด timeout เป็น 30 นาที
            using var timeoutCts = new CancellationTokenSource(TimeSpan.FromMinutes(30));
            using var combinedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
                using (var client = new HttpClient())
                {
                    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken.Replace("Bearer ", ""));
                    client.DefaultRequestHeaders.Add("api-key", apiKey);
                    var _res = await client.GetAsync(apiPath,cancellationToken: combinedCts.Token);
                    if (_res.IsSuccessStatusCode)
                    {
                        var _result = await _res.Content.ReadAsStringAsync();

                        return _result;
                    }
                    return string.Empty;
                }
            }
            catch
            {
                throw;
            }
        }

        protected async Task<string> SendExternalAPIAsync(HttpMethod method, string apiPath, string accessToken, object? body, string apiKey, CancellationToken cancellationToken = default)
        {
            try
            {
                // กำหนด timeout เป็น 30 นาที
                using var timeoutCts = new CancellationTokenSource(TimeSpan.FromMinutes(30));
                using var combinedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
                // สร้าง request message
                var request = new HttpRequestMessage(method, apiPath);


                var json = JsonConvert.SerializeObject(body);
                request.Content = new StringContent(json, Encoding.UTF8, "application/json");

                using (var client = new HttpClient())
                {
                    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken.Replace("Bearer ", ""));
                    client.DefaultRequestHeaders.Add("api-key", apiKey);
                    var _res = await client.SendAsync(request, combinedCts.Token);
                    if (_res.IsSuccessStatusCode)
                    {
                        var _result = await _res.Content.ReadAsStringAsync();

                        return _result;
                    }
                    return string.Empty;
                }
            }
            catch
            {
                throw;
            }
        }


        protected async Task<string> PostExternalAPIAsync(string apiPath, string accessToken, object? body, string apiKey, CancellationToken cancellationToken = default)
        {
            try
            {
                // กำหนด timeout เป็น 30 นาที
                using var timeoutCts = new CancellationTokenSource(TimeSpan.FromMinutes(30));
                using var combinedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
                var json = JsonConvert.SerializeObject(body);
                var stringContent = new StringContent(json, Encoding.UTF8, "application/json");
                //stringContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");

                using (var client = new HttpClient())
                {
                    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken.Replace("Bearer ", ""));
                    client.DefaultRequestHeaders.Add("api-key", apiKey);
                    var _res = await client.PostAsync(apiPath, stringContent, combinedCts.Token);
                    if (_res.IsSuccessStatusCode)
                    {
                        var _result = await _res.Content.ReadAsStringAsync();

                        return _result;
                    }
                    return string.Empty;
                }
            }
            catch
            {
                throw;
            }
        }

        protected async Task<bool> PostExternalAPIBooleanAsync(string apiPath, string accessToken, object? body, string apiKey, CancellationToken cancellationToken = default)
        {
            try
            {
                // กำหนด timeout เป็น 30 นาที
                using var timeoutCts = new CancellationTokenSource(TimeSpan.FromMinutes(30));
                using var combinedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
                var json = JsonConvert.SerializeObject(body);
                var stringContent = new StringContent(json, UnicodeEncoding.UTF8, "application/json");
                stringContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");

                using (var client = new HttpClient())
                {
                    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken.Replace("Bearer ", ""));
                    client.DefaultRequestHeaders.Add("api-key", apiKey);
                    var _res = await client.PostAsync(apiPath, stringContent, combinedCts.Token);
                    return _res.IsSuccessStatusCode;
                }
            }
            catch
            {
                throw;
            }
        }

        #endregion

        public async Task<Guid> GetProfileOrganizationAsync(string citizenId)
        {
            try
            {
                var pf = await _dbContext.Set<Profile>()
                                .Where(x => x.CitizenId == citizenId)
                                .Where(x => x.ProfileType.ToLower().Trim() == "officer" && x.IsActive && !x.IsLeave)
                                .FirstOrDefaultAsync();

                return pf == null || pf.Oc == null ? Guid.Empty : pf.OcId!.Value;
            }
            catch
            {
                throw;
            }
        }

        public async Task<bool> CheckIsActiveOfficerAsync(string citizenId)
        {
            try
            {
                var pf = await _dbContext.Set<Profile>()
                                .Where(x => x.CitizenId == citizenId)
                                .Where(x => x.ProfileType.ToLower().Trim() == "officer" && x.IsActive && !x.IsLeave)
                                .FirstOrDefaultAsync();

                return pf != null;
            }
            catch
            {
                throw;
            }
        }

        public virtual async Task<IReadOnlyList<T>> GetAllAsync()
        {
            return await _dbSet.ToListAsync();
        }

        public virtual async Task<T?> GetByIdAsync(S id)
        {
            return await _dbSet.FindAsync(id);
        }

        public virtual async Task<T> AddAsync(T entity)
        {
            if (entity is EntityBase)
            {
                (entity as EntityBase).CreatedUserId = UserId!;
                (entity as EntityBase).CreatedFullName = FullName!;
                (entity as EntityBase).CreatedAt = DateTime.Now;
            }

            await _dbSet.AddAsync(entity);
            await _dbContext.SaveChangesAsync();

            return entity;
        }

        public virtual async Task<T> UpdateAsync(T entity)
        {
            if (entity is EntityBase)
            {
                (entity as EntityBase).LastUpdateUserId = UserId!;
                (entity as EntityBase).LastUpdateFullName = FullName!;
                (entity as EntityBase).LastUpdatedAt = DateTime.Now;
            }

            _dbSet.Update(entity);
            await _dbContext.SaveChangesAsync();

            return entity;
        }

        public virtual async Task DeleteAsync(T entity)
        {
            _dbSet.Remove(entity);
            await _dbContext.SaveChangesAsync();
        }

        #endregion
    }
}