using Asp.Versioning;
using Core.Thalos.BuildingBlocks;
using Core.Thalos.External.Clients.Thalos.Requests.Permissions;
using Lib.Architecture.BuildingBlocks;
using LSA.Dashboard.External.Clients.Dashboard;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Text.Json;

namespace Core.Thalos.BFF.Api.Controllers
{
    /// <summary>
    /// Handles all requests for module authentication.
    /// </summary>
    [ApiVersion("1.0")]
    [Route("api/v{version:apiVersion}/[controller]")]
    [Consumes("application/json")]
    [Produces("application/json")]
    [ApiController]
    [Authorize(AuthenticationSchemes = Schemes.DefaultScheme)]
    public class ModuleController(IThalosServiceClient thalosServiceClient, ILogger<ModuleController> logger) : BaseController(logger)
    {
        /// <summary>
        /// Gets all modules.
        /// </summary>
        [HttpGet("GetAll")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Read, RoleManagement.Read")]
        public async Task<IActionResult> GetAllModulesService(CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(GetAllModulesService)} - Request received - Payload: ");

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

        /// <summary>
        /// Gets all modules by module identifiers.
        /// </summary>
        /// <param name="request">The request containing the list of module identifiers.</param>
        /// <param name="cancellationToken">Cancellation token for the asynchronous operation.</param>
        /// <returns>The <see cref="IActionResult"/> representing the result of the service call.</returns>
        /// <response code="200">The modules found.</response>
        /// <response code="204">No content if no modules are found.</response>
        /// <response code="400">Bad request if the module identifiers are missing or invalid.</response>
        /// <response code="401">Unauthorized if the user is not authenticated.</response>
        /// <response code="500">Internal server error if an unexpected error occurs.</response>
        [HttpPost("GetAllByList")]
        [ProducesResponseType(typeof(IEnumerable<ModuleAdapter>), StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Read")]
        public async Task<IActionResult> GetAllModulesByListAsync([FromBody] GetAllModulesByListRequest request, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(GetAllModulesByListAsync)} - Request received - Payload: {request}");

                if (request == null || request.Modules == null || !request.Modules.Any())
                {
                    return BadRequest("Module identifiers are required.");
                }

                return await Handle(() => thalosServiceClient.GetAllModulesByListService(request, cancellationToken)).ConfigureAwait(false);

            }
            catch (Exception ex)
            {
                logger.LogError(ex, $"{nameof(GetAllModulesByListAsync)} - An error occurred - {ex.Message} - {ex.InnerException} - {ex.StackTrace} - with payload: {request}");
                return StatusCode(StatusCodes.Status500InternalServerError, "Internal server error");
            }
        }


        /// <summary>
        /// Creates a new module.
        /// </summary>
        [HttpPost("Create")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Write")]
        public async Task<IActionResult> CreateModuleService(CreateModuleRequest newModule, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(CreateModuleService)} - Request received - Payload: {JsonSerializer.Serialize(newModule)}");

                if (newModule == null) return BadRequest("Invalid module object");

                if (string.IsNullOrEmpty(newModule.Name)) return BadRequest("Invalid module name");

                if (string.IsNullOrEmpty(newModule.Description)) return BadRequest("Invalid module description");

                if (string.IsNullOrEmpty(newModule.Route)) return BadRequest("Invalid module route");

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

        /// <summary>
        /// Gets the module by identifier.
        /// </summary>
        [HttpPost("GetById")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Read")]
        public async Task<IActionResult> GetModuleByIdService(GetModuleRequest request, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(GetModuleByIdService)} - Request received - Payload: {JsonSerializer.Serialize(request)}");

                if (string.IsNullOrEmpty(request._Id)) return BadRequest("Invalid module identifier");

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

        /// <summary>
        /// Updates a full module by identifier.
        /// </summary>
        [HttpPut("Update")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Write")]
        public async Task<IActionResult> UpdateModuleService(UpdateModuleRequest newModule, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(UpdateModuleService)} - Request received - Payload: {JsonSerializer.Serialize(newModule)}");

                if (newModule == null) return BadRequest("Invalid module object");

                if (string.IsNullOrEmpty(newModule.Name)) return BadRequest("Invalid module name");

                if (string.IsNullOrEmpty(newModule.Description)) return BadRequest("Invalid module description");

                if (string.IsNullOrEmpty(newModule.Route)) return BadRequest("Invalid module route");

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

        /// <summary>
        /// Changes the status of the module.
        /// </summary>
        [HttpPatch]
        [Route("ChangeStatus")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [Permission("ModuleManagement.Write")]
        public async Task<IActionResult> ChangeModuleStatusService([FromBody] ChangeModuleStatusRequest request, CancellationToken cancellationToken)
        {
            try
            {
                logger.LogInformation($"{nameof(ChangeModuleStatusService)} - Request received - Payload: {JsonSerializer.Serialize(request)}");

                if (string.IsNullOrEmpty(request._Id)) { return BadRequest("Invalid module identifier"); }

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


    }
}