using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Moq;
using Strata.ContinuousImprovement.Biz.DbContexts;
using Strata.ContinuousImprovement.Biz.OpportunityTypeWorkbooks;
using Strata.ContinuousImprovement.Biz.OpportunityWorkbooks;
using Strata.ContinuousImprovement.Client.Test.Integration.Models;
using Strata.ContinuousImprovement.Client.Test.Integration.Setup;
using Strata.CoreLib.Claims;
using Strata.CoreLib.Claims.Extensions;
using System.IdentityModel.Tokens.Jwt;
using System.Net.Http.Headers;
using System.Security.Claims;
using System.Text.Json;

namespace Strata.ContinuousImprovement.Client.Test.Integration.Tests
{
    public class ClientServiceBase
    {
        protected StrataTokenInfo StrataTokenInfo { get; set; }
        protected string AccessToken { get; set; }
        protected IEnumerable<Claim> Claims { get; set; }
        protected long ExpiresIn { get; set; }
        protected ClaimsIdentity ClaimsIdentity { get; set; }
        protected ClaimsPrincipal ClaimsPrincipal { get; set; }
        internal IClaimsPrincipalAccessor ClaimsPrincipalAccessor { get; set; }
        internal int StrataId { get; set; }
        internal Guid DatabaseGuid { get; set; }

        protected readonly string BaseAddress = "https://continuousimprovement-api.dev.stratanetwork.net/";
        public IContinuousImprovementService ContinuousImprovementService { get; set; }
        public JazzDbContext JazzDbContext { get; set; }
        public CentralDbContext CentralDbContext { get; set; }
        public IOpportunityWorkbookService OpportunityWorkbookService { get; set; }
#pragma warning disable NUnit1032 // An IDisposable field/property should be Disposed in a TearDown method
        public IServiceProvider ServiceProvider { get; set; }
#pragma warning restore NUnit1032 // An IDisposable field/property should be Disposed in a TearDown method

        public OpportunityWorkbook OpportunityWorkbook { get; set; }
        public OpportunityTypeWorkbook OpportunityTypeWorkbook { get; set; }

        [OneTimeSetUp]
        public async Task TestSetup()
        {
            ServiceProvider = ServiceProperties.ServiceProvider;
            await ClientValidation();
            var httpClient = new HttpClient
            {
                BaseAddress = new Uri(BaseAddress)
            };
            httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
            ContinuousImprovementService = new ContinuousImprovementService(httpClient);
            ServiceProperties.ContinuousImprovementService = ContinuousImprovementService;
            CentralDbContext = (CentralDbContext)ServiceProperties.CentralDbContext;
            JazzDbContext = (JazzDbContext)ServiceProperties.JazzDbContext;
            await ReplaceOpportunitWorkbookService();
        }

        [OneTimeTearDown]
        public async Task TestTearDown()
        {
            ((ServiceProvider)ServiceProvider).Dispose();
        }

        private async Task ReplaceOpportunitWorkbookService()
        {
            var claimsAccessor = Mock.Of<IClaimsPrincipalAccessor>();
            Mock.Get(claimsAccessor)
                .Setup(s => s.GetCurrentClaimsPrincipal())
                .Returns(ClaimsPrincipal);
            var analyticsService = ServiceProperties.AnalyticsService;
            OpportunityWorkbookService = new OpportunityWorkbookService(CentralDbContext, analyticsService, claimsAccessor, Mock.Of<ILogger<OpportunityWorkbookService>>());
            var services = ServiceProperties.Services;
            var descriptor = services.FirstOrDefault(d => d.ServiceType == typeof(IOpportunityWorkbookService));
            if (descriptor != null)
            {
                services.Remove(descriptor);
                services.AddScoped<IOpportunityWorkbookService, OpportunityWorkbookService>();
                ServiceProvider = services.BuildServiceProvider();
            }
            OpportunityWorkbook = await CentralDbContext.OpportunityWorkbooks.FirstOrDefaultAsync(CancellationToken.None);
            OpportunityTypeWorkbook = await CentralDbContext.OpportunityTypeWorkbooks.FirstOrDefaultAsync(CancellationToken.None);
        }

        #region Client Claims Validation

        public async Task<string> ClientValidation()
        {
            var UserInfo = new
            {
                vaultUserName = "ccicostleader", // vault ccicostleader is same as jazz ccicostleader
                userName = "ccicostleader",
                fullName = "Administrator, CCI"
            };
            var vaultPassword = await GetUserPassword(UserInfo.vaultUserName);
            var bearerToken = await GetBearerToken(UserInfo.userName, vaultPassword);
            ClaimsIdentity = new ClaimsIdentity(Claims);
            ClaimsPrincipal = new ClaimsPrincipal(ClaimsIdentity);
            StrataId = ClaimsPrincipal.GetStrataId();
            DatabaseGuid = ClaimsPrincipal.GetDatabaseGuid();
            BuildClaimsPrincipalAccessor();
            return bearerToken;
        }

        internal async Task<string> GetUserPassword(string vaultUserName)
        {
            var client = new HttpClient
            {
                BaseAddress = new Uri("https://vault.sdt.local/")
            };
            client.DefaultRequestHeaders.Add("apiKey", "a69d2e478c3f5b395b687ecdf34a3239");
            client.DefaultRequestHeaders.Add("ignoreHTTPSErrors", "true");
            var vaultResponse = await client.GetAsync($"api/searchpasswords/122?title={vaultUserName}");
            vaultResponse.EnsureSuccessStatusCode();
            string responseString = await vaultResponse.Content.ReadAsStringAsync();
            if (string.IsNullOrEmpty(responseString)) { return string.Empty; }
            var jsonResponse = JsonSerializer.Deserialize<IEnumerable<VaultResponse>>(responseString);
            if (jsonResponse == null) { return string.Empty; }
            var vaultUserInfo = jsonResponse.First();
            client.Dispose();
            return vaultUserInfo.Password;
        }

        internal async Task<string> GetBearerToken(string userName, string password)
        {
            var form = BuildTokenRequest(userName, password);
            var client = new HttpClient();
            var response = await client.PostAsync("https://identity.dev.stratanetwork.net/connect/token", form);
            response.EnsureSuccessStatusCode();
            var responseString = await response.Content.ReadAsStringAsync();
            if (string.IsNullOrEmpty(responseString)) { return string.Empty; }
            var strataTokenInfo = JsonSerializer.Deserialize<StrataTokenInfo>(responseString);
            if (strataTokenInfo == null) { return string.Empty; }
            StrataTokenInfo = strataTokenInfo;
            AccessToken = strataTokenInfo.AccessToken;
            ExpiresIn = strataTokenInfo.ExpiresIn;
            var handler = new JwtSecurityTokenHandler();
            var jwtToken = handler.ReadJwtToken(AccessToken);
            Claims = jwtToken.Claims;
            client.Dispose();
            return AccessToken;
        }

        internal FormUrlEncodedContent BuildTokenRequest(string userName, string password)
        {
            var form = new FormUrlEncodedContent(
            [
                new KeyValuePair<string, string>("database_guid", ServiceProperties.DatabaseGuid.ToString()),
                new KeyValuePair<string, string>("grant_type", "password"),
                new KeyValuePair<string, string>("username", userName),
                new KeyValuePair<string, string>("password", password),
                new KeyValuePair<string, string>("scope", "strata.api.external offline_access"),
                new KeyValuePair<string, string>("client_id", "IntegrationTest"),
                new KeyValuePair<string, string>("client_secret", "UhAEQsGByTCrwPdHPLmaet_DmLEfcJVbZqGBxArdeRup_TPLrYKNpUNRHejjdnhd")
            ]);
            return form;
        }

        internal void BuildClaimsPrincipalAccessor()
        {
            var claimsAccessor = Mock.Of<IClaimsPrincipalAccessor>();
            Mock.Get(claimsAccessor)
                        .Setup(s => s.GetCurrentClaimsPrincipal())
                        .Returns(ClaimsPrincipal);
            ClaimsPrincipalAccessor = claimsAccessor;
        }

        #endregion

        #region Helper Methods

        protected async Task<IEnumerable<ConfigurationInfo>> GetConfigurationsAsync(CancellationToken cancellationToken)
        {
            var configurations = await JazzDbContext.Configurations.ToListAsync(cancellationToken);
            return configurations.Select(c => c.Mapped());
        }

        #endregion

    }
}