using Core.Blueprint.API.Controllers;
using Core.Blueprint.External.Clients.Blueprint;
using Core.Blueprint.External.Clients.Blueprint.Requests.BlobStorage;
using Lib.Architecture.BuildingBlocks;
using Microsoft.AspNetCore.Mvc;
using System.Text.Json;

namespace Core.Blob.API.Controllers
{
    /// <summary>
    /// Handles all requests for blob.
    /// </summary>
    [ApiVersion("1.0")]
    //[Route("api/v{version:apiVersion}/[controller]")]
    [Consumes("application/json")]
    [Produces("application/json")]
    [ApiController]
    public class BlobStorageController(IBlueprintServiceClient blueprintServiceClient, ILogger<BlobStorageController> logger) : BaseController(logger)
    {
        /// <summary>
        /// Uploads a new blob.
        /// </summary>
        [HttpPost("UploadBlob")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> UploadBlobService(UploadBlobRequest newBlob, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(UploadBlobService)} - Request received - Payload: {JsonSerializer.Serialize(newBlob)}");

                if (newBlob == null) return BadRequest("Invalid blob object");

                if (string.IsNullOrEmpty(newBlob.BlobName)) return BadRequest("Invalid blob name");

                if (newBlob.BlobContent is null) return BadRequest("Invalid blob content");

                return await Handle(() => blueprintServiceClient.UploadBlobService(newBlob, cancellationToken)).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                logger.LogError($"{nameof(UploadBlobService)} - An Error Occurred- {ex.Message} - {ex.InnerException} - {ex.StackTrace} - with payload {JsonSerializer.Serialize(newBlob)}");
                throw;
            }
        }

        /// <summary>
        /// Gets all blobs into the container.
        /// </summary>
        [HttpGet("GetBlobList")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> GetBlobListService([FromQuery] string? prefix, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(GetBlobListService)} - Request received - Payload: ");

                return await Handle(() => blueprintServiceClient.GetBlobListAsync(prefix, cancellationToken)).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                logger.LogError($"{nameof(GetBlobListService)} - An Error Occurred- {ex.Message} - {ex.InnerException} - {ex.StackTrace} - with payload");
                throw;
            }
        }

        /// <summary>
        /// Donwloads a blob by name.
        /// </summary>
        [HttpPost("DownloadBlob")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> DownloadBlobService(DownloadBlobRequest request, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(DownloadBlobService)} - Request received - Payload: {JsonSerializer.Serialize(request)}");

                if (string.IsNullOrEmpty(request.BlobName)) return BadRequest("Invalid blob name");

                return await Handle(() => blueprintServiceClient.DownloadBlobAsync(request, cancellationToken)).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                logger.LogError($"{nameof(DownloadBlobService)} - An Error Occurred- {ex.Message} - {ex.InnerException} - {ex.StackTrace} - with payload {JsonSerializer.Serialize(request)}");
                throw;
            }
        }

        /// <summary>
        /// Deletes the blob by identifier.
        /// </summary>
        [HttpDelete("Delete")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> DeleteBlobService([FromBody] DeleteBlobRequest request, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(DeleteBlobService)} - Request received - Payload: {JsonSerializer.Serialize(request)}");

                if (string.IsNullOrEmpty(request.BlobName)) return BadRequest("Invalid blob name");

                return await Handle(() => blueprintServiceClient.DeleteBlobService(request, cancellationToken)).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                logger.LogError($"{nameof(DeleteBlobService)} - An Error Occurred- {ex.Message} - {ex.InnerException} - {ex.StackTrace} - with payload {JsonSerializer.Serialize(request)}");
                throw;
            }
        }
    }
}