using Microsoft.AspNetCore.Http;
using Moq;
using Strata.ContinuousImprovement.Api.Test.Integration.Setup;
using Strata.ContinuousImprovement.Biz.Configuration;
using Strata.ContinuousImprovement.Biz.DbContexts;
using Strata.ContinuousImprovement.Biz.OpportunityTypeWorkbooks;
using Strata.ContinuousImprovement.Biz.OpportunityWorkbooks;
using Strata.CoreLib.Claims;
using Strata.CoreLib.Claims.Extensions;
using System.IdentityModel.Tokens.Jwt;
using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Security.Claims;
using System.Text.Json;

namespace Strata.ContinuousImprovement.Api.Test.Integration.Tests
{
    public class ApiTestBase
    {
        protected StrataTokenInfo StrataTokenInfo { get; set; }
        protected string AccessToken { get; set; }
        protected IEnumerable<Claim> Claims { get; set; }
        protected long Expires_in { get; set; }
        protected ClaimsIdentity ClaimsIdentity { get; set; }
        protected ClaimsPrincipal ClaimsPrincipal { get; set; }
        protected Dictionary<string, ClaimsPrincipal> ClaimsPrincipals { get; set; } = new Dictionary<string, ClaimsPrincipal>();
        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 IConfigurationService ConfigurationService { 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()
        {
#if DEBUG
            //When running locally sets the profile to the CI profile so you have access to resources
            Environment.SetEnvironmentVariable("AWS_Profile", "sdt-continuous-improvement-service-role");
#endif
            var strataBearer = await StrataValidation();
            await ClientValidation();
            var services = ServiceCollectionFactory.Create();
            await services.SetupServiceProperties(StrataId);
            ServiceProvider = ServiceProperties.ServiceProvider;
            var httpClient = new HttpClient
            {
                BaseAddress = new Uri(BaseAddress)
            };
            httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
            CentralDbContext = (CentralDbContext)ServiceProperties.CentralDbContext;
        }

        protected HttpClient HttpClient;

        [SetUp]
        public void SetupHttpClient()
        {
            HttpClient = new HttpClient
            {
                BaseAddress = new Uri(BaseAddress)
            };
            HttpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
        }

        [TearDown]
        public void TearDownHttpClient()
        {
            HttpClient.Dispose();
        }

        #region Client Claims Validation

        public async Task<string> ClientValidation()
        {
            var userInfo = new VaultUserInfo
            {
                vaultTitle = "ccicostleader", // vault ccicostleader is same as jazz ccicostleader
                vaultUserName = "ccicostleader",
                userName = "ccicostleader",
                fullName = "Administrator, CCI"
            };
            return await ClientValidation(userInfo);
        }

        public async Task<string> StrataValidation()
        {
            var userInfo = new VaultUserInfo
            {
                vaultTitle = "IDTestUser", // vault ccicostleader is same as jazz ccicostleader
                vaultUserName = "sdt\\IDTestUser", // vault ccicostleader is same as jazz ccicostleader
                userName = "sdt\\IDTestUser",
                fullName = "Administrator, CCI"
            };
            return await ClientValidation(userInfo);
        }

        public async Task<string> ClientValidation(VaultUserInfo userInfo)
        {
            var vaultInfo = await GetUserPassword(userInfo.vaultTitle);
            var bearerToken = await GetBearerToken(vaultInfo.Item1, vaultInfo.Item2);
            ClaimsIdentity = new ClaimsIdentity(Claims);
            ClaimsPrincipal = new ClaimsPrincipal(ClaimsIdentity);
            ClaimsPrincipals.Add(userInfo.vaultTitle, ClaimsPrincipal);
            StrataId = ClaimsPrincipal.GetStrataId();
            DatabaseGuid = ClaimsPrincipal.GetDatabaseGuid();
            BuildClaimsPrincipalAccessor();
            return bearerToken;
        }

        internal async Task<Tuple<string, string>> GetUserPassword(string vaultTitle)
        {
            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={vaultTitle}");
            vaultResponse.EnsureSuccessStatusCode();
            string responseString = await vaultResponse.Content.ReadAsStringAsync();
            if (string.IsNullOrEmpty(responseString)) { return new Tuple<string, string>(string.Empty, string.Empty); }
            var jsonResponse = JsonSerializer.Deserialize<IEnumerable<VaultResponse>>(responseString);
            if (jsonResponse == null) { return new Tuple<string, string>(string.Empty, string.Empty); }
            var vaultUserInfo = jsonResponse.First();
            client.Dispose();
            return new Tuple<string, string>(vaultUserInfo.UserName, 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;
            Expires_in = 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()
        {
            try
            {
                var claimsAccessor = Mock.Of<IClaimsPrincipalAccessor>();
                Mock.Get(claimsAccessor)
                            .Setup(s => s.GetCurrentClaimsPrincipal())
                            .Returns(ClaimsPrincipal);
                ClaimsPrincipalAccessor = claimsAccessor;
            }
            catch (Exception)
            {
                throw;
            }

        }

        #endregion

        #region Helper Methods

        protected async Task<IEnumerable<Info.ConfigurationInfo>> GetConfigurations()
        {
            string ConfigurationsEndpoint = "api/v1/configurations";
            var request = new HttpRequestMessage(HttpMethod.Get, ConfigurationsEndpoint);
            var response = await HttpClient.SendAsync(request, CancellationToken.None);
            response.EnsureSuccessStatusCode();
            var configurations = await response.Content.ReadFromJsonAsync<IEnumerable<Info.ConfigurationInfo>>();
#pragma warning disable S3928 // Parameter names used into ArgumentException constructors should match an existing one 
            configurations = configurations?.OrderBy(x => x.DisplayOrder)
                ?? throw new ArgumentNullException(nameof(configurations));
#pragma warning restore S3928 // Parameter names used into ArgumentException constructors should match an existing one 
            return configurations;
        }

        #endregion

    }

    public class VaultUserInfo
    {
        public string vaultTitle { get; set; }
        public string vaultUserName { get; set; }
        public string userName { get; set; }
        public string fullName { get; set; }
    }

}