using System;
using System.IO;
using Amazon;
using Amazon.SecretsManager;
using Amazon.SecretsManager.Model;
using Newtonsoft.Json;
using classes;

public class SecretsManagerService
{
    
    public  DbUserModel GetDBSecret()
    {

        string dbUserSecret = "";
        string secretName = Constants.DBARN;

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));
        
        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        // In this sample we only handle the specific exceptions for the 'GetSecretValue' API.

        // See https://docs.aws.amazon.com/secretsmanager/latest/apireference/API_GetSecretValue.html


        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ex)
        {

            // We can't find the resource that you asked for.
            throw ex;

        }
      
        // Decrypts secret using the associated KMS CMK.

        // Depending on whether the secret is a string or binary, one of these fields will be populated.

        if (response.SecretString != null)
        {

            dbUserSecret = response.SecretString;

            return JsonConvert.DeserializeObject<DbUserModel>(dbUserSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<DbUserModel>(decodedBinarySecret);
        }

    }

    public  SesUserModel GetSesUser()
    {
        string sesUserSecret = "";
        string secretName = Constants.SESARN;

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));

        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ae)
        {
            // More than one of the above exceptions were triggered.
            throw ae;
        }


        if (response.SecretString != null)
        {

            sesUserSecret = response.SecretString;

            return JsonConvert.DeserializeObject<SesUserModel>(sesUserSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<SesUserModel>(decodedBinarySecret);
        }
    }

    public  EndPointModel GetAPIEndPoint()
    {
        string apiEndPointSecret = "";
        string secretName = "pmf-enatis";

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));

        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ex)
        {
            throw ex;
        }

        if (response.SecretString != null)
        {

            apiEndPointSecret = response.SecretString;

            return JsonConvert.DeserializeObject<EndPointModel>(apiEndPointSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<EndPointModel>(decodedBinarySecret);
        }
    }

    public  BucketSecretModel GetBucket()
    {
        string bucketSecret = "";
        string secretName = "pmf-invoices-bucket";

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));

        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ex)
        {
            throw ex;
        }

        if (response.SecretString != null)
        {

            bucketSecret = response.SecretString;

            return JsonConvert.DeserializeObject<BucketSecretModel>(bucketSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<BucketSecretModel>(decodedBinarySecret);
        }
    }

    public  PdfSecretModel GetPdfServer()
    {
        string serverSecret = "";
        string secretName = "pmf-pdf-server";

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));

        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ex)
        {
            throw ex;
        }

        if (response.SecretString != null)
        {

            serverSecret = response.SecretString;

            return JsonConvert.DeserializeObject<PdfSecretModel>(serverSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<PdfSecretModel>(decodedBinarySecret);
        }

    }

    public  MailAddressModel GetTMTEmail()
    {
        string mailSecret = "";
        string secretName = "pmf-mail";

        MemoryStream memoryStream = new MemoryStream();

        IAmazonSecretsManager client = new AmazonSecretsManagerClient(RegionEndpoint.GetBySystemName(Constants.REGION));

        GetSecretValueRequest request = new GetSecretValueRequest();

        request.SecretId = secretName;

        request.VersionStage = "AWSCURRENT"; // VersionStage defaults to AWSCURRENT if unspecified.

        GetSecretValueResponse response = null;

        try
        {
            response = client.GetSecretValueAsync(request).Result;
        }
        catch (Exception ex)
        {
            throw ex;
        }

        if (response.SecretString != null)
        {

            mailSecret = response.SecretString;

            return JsonConvert.DeserializeObject<MailAddressModel>(mailSecret);
        }
        else
        {

            memoryStream = response.SecretBinary;

            StreamReader reader = new StreamReader(memoryStream);

            string decodedBinarySecret = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(reader.ReadToEnd()));

            return JsonConvert.DeserializeObject<MailAddressModel>(decodedBinarySecret);
        }

    }
    
}