// ***********************************************************************
// <copyright file="UserController.cs">
//     Heath
// </copyright>
// ***********************************************************************
using Asp.Versioning;
using Core.Blueprint.Storage.Adapters;
using Core.Cerberos.Adapters;
using Core.Cerberos.Adapters.Attributes;
using Core.Cerberos.Adapters.Common.Constants;
using Core.Cerberos.Adapters.Common.Enums;
using Core.Cerberos.Provider.Contracts;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Graph;
using UserRequest = Core.Cerberos.Domain.Contexts.Onboarding.Request.UserRequest;

namespace LSA.Core.Kerberos.API.Controllers
{
    /// <summary>
    /// Handles all requests for user authentication.
    /// </summary>
    [ApiVersion("1.0")]
    [Route("api/v{api-version:apiVersion}/[controller]")]
    [Produces(MimeTypes.ApplicationJson)]
    [Consumes(MimeTypes.ApplicationJson)]
    [ApiController]
    public class UserController(IUserService service, ILogger<UserController> logger) : ControllerBase
    {
        /// <summary>
        /// Gets all the users.
        /// </summary>  
        /// <returns>The <see cref="IEnumerable{UserAdapter}"/> found entity.</returns>
        /// <response code="200">The users found.</response>
        /// <response code="404">The users not found error.</response>
        /// <response code="500">The service internal error.</response>
        [HttpGet]
        [ProducesResponseType(typeof(IEnumerable<UserAdapter>), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Read")]
        public async Task<IActionResult> GetAllUsersService()
        {
            try
            {
                var result = await service.GetAllUsersService();

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in GetAllUsersService");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Gets the user by identifier.
        /// </summary>
        /// <param name="id">The user identifier.</param>
        /// <returns>The <see cref="UserAdapter"/> found entity.</returns>
        /// <response code="200">The user found.</response>
        /// <response code="404">The user not found error.</response>
        /// <response code="500">The service internal error.</response>
        [HttpGet]
        [Route(Routes.Id)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Read")]
        public async Task<IActionResult> GetUserByIdService([FromRoute] string id)
        {
            try
            {
                var result = await service.GetUserByIdService(id);

                if (result is null) return NotFound($"user with id: '{id}' not found");

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in GetUserByIdService");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Gets the user by email.
        /// </summary>
        /// <param name="email">The user's email.</param>
        /// <returns>The <see cref="UserAdapter"/> found entity.</returns>
        /// <response code="200">The user found.</response>
        /// <response code="404">The user not found error.</response>
        /// <response code="500">The service internal error.</response>
        [HttpGet]
        [Route(Routes.Email)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = $"{Schemes.HeathScheme}, {Schemes.AzureScheme}")]
        public async Task<IActionResult> GetUserByEmail([FromRoute] string email)
        {
            try
            {
                var result = await service.GetUserByEmailService(email);

                if (result is null) return NotFound($"user with email: '{email}' not found");

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in GetUserByIdEmail");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Validates if a user exists on the database.
        /// </summary>
        /// <param name="email">The user's email.</param>
        /// <returns>The <see cref="UserExistenceAdapter"/> found entity.</returns>
        /// <response code="200">The user found.</response>
        /// <response code="404">The user not found error.</response>
        /// <response code="500">The service internal error.</response>
        [HttpGet]
        [Route("{email}/ValidateExistence")]
        [ProducesResponseType(typeof(UserExistenceAdapter), StatusCodes.Status200OK)]
        [AllowAnonymous]
        public async Task<IActionResult> ValidateUserExistence([FromRoute] string email)
        {
            try
            {
                var result = await service.ValidateUserExistenceService(email);

                var existence = new UserExistenceAdapter
                {
                    Existence = (result is not null) ? true : false
                };

                return Ok(existence);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in ValidateUserExistance");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Creates a new user.
        /// </summary>
        /// <param name="newUser">The user to be added.</param>
        /// <param name="sendInvitation">Sends an invitation in case of third party access.</param>
        /// <returns>The <see cref="UserAdapter"/> created entity.</returns>
        /// <response code="201">The user created.</response>
        /// <response code="422">The user could not be created.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPost(Routes.Register)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status201Created)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> CreateUserAsync([FromBody] UserRequest newUser, [FromRoute] bool sendInvitation)
        {
            try
            {
                var user = await service.GetUserByEmailService(newUser.Email).ConfigureAwait(false);

                if (user is not null)
                    return UnprocessableEntity("There is a user with the same email registered in the database");

                var result = await service.CreateUserService(newUser).ConfigureAwait(false);

                return Created("CreatedWithIdService", result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in CreateUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Updates a full user by identifier.
        /// </summary>
        /// <param name="entity">The user to update.</param>
        /// <param name="id">The user identifier.</param>
        /// <returns>The <see cref="UserAdapter"/> updated entity.</returns>
        /// <response code="200">The user updated.</response>
        /// <response code="404">The user not found.</response>
        /// <response code="422">The user could not be updated.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPut]
        [Route(Routes.Id)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> UpdateUserAsync([FromBody] UserAdapter entity, [FromRoute] string id)
        {
            try
            {
                var result = await service.UpdateUserService(entity, id);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in UpdateUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Logs in the user.
        /// </summary>
        /// <param name="email">The User's email.</param>
        /// <returns>A <see cref="UserAdapter"/> representing
        /// the asynchronous execution of the service.</returns>
        /// <response code="200">The User found.</response>
        /// <response code="404">The User not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPatch(Routes.LogIn)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = $"{Schemes.HeathScheme}, {Schemes.AzureScheme}")]
        public async Task<IActionResult> LoginUserAsync([FromRoute] string email)
        {
            try
            {
                var result = await service.LogInUserService(email).ConfigureAwait(false);

                if (result is null)
                    return new NotFoundObjectResult($"The user with email: '{email}' was not found");

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in LogInUserService");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Logs out the user.
        /// </summary>
        /// <param name="email">The User's email.</param>
        /// <returns>A <see cref="UserAdapter"/> representing
        /// the asynchronous execution of the service.</returns>
        /// <response code="200">The User updated.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPatch(Routes.LogOut)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = $"{Schemes.HeathScheme}, {Schemes.AzureScheme}")]
        public async Task<IActionResult> LogOutUserSessionAsync([FromRoute] string email)
        {
            try
            {
                var result = await service.LogOutUserSessionService(email).ConfigureAwait(false);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in LogOutUserSessionService");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }

        }

        /// <summary>
        /// Changes the status of the user.
        /// </summary>
        /// <param name="id">The user identifier.</param>
        /// <param name="newStatus">The new status of the user.</param>
        /// <returns>The <see cref="UserAdapter"/> updated entity.</returns>
        /// <response code="200">The user updates.</response>
        /// <response code="404">The user not found.</response>
        /// <response code="422">The user could not be deleted.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPatch]
        [Route(Routes.ChangeStatus)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> ChangeUserStatus([FromRoute] string id, [FromRoute] StatusEnum newStatus)
        {
            try
            {
                var result = await service.ChangeUserStatusService(id, newStatus);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in ChangeUserStatus");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Adds a company to the user's list of companies.
        /// </summary>
        /// <param name="userId">The user identifier.</param>
        /// <param name="companyId">The company identifier to add.</param>
        /// <returns>The updated <see cref="UserAdapter"/> entity.</returns>
        /// <response code="200">The user with the updated companies.</response>
        /// <response code="404">The user or company not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPost]
        [Route(Routes.AddCompany)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> AddCompanyToUserAsync([FromRoute] string userId, [FromRoute] string companyId)
        {
            try
            {
                var result = await service.AddCompanyToUserService(userId, companyId);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in AddCompanyToUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Removes a company from the user's list of companies.
        /// </summary>
        /// <param name="userId">The user identifier.</param>
        /// <param name="companyId">The company identifier to remove.</param>
        /// <returns>The updated <see cref="UserAdapter"/> entity.</returns>
        /// <response code="200">The user with the updated companies.</response>
        /// <response code="404">The user or company not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpDelete]
        [Route(Routes.RemoveCompany)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> RemoveCompanyFromUserAsync([FromRoute] string userId, [FromRoute] string companyId)
        {
            try
            {
                var result = await service.RemoveCompanyFromUserService(userId, companyId);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in RemoveCompanyFromUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Adds a project to the user's list of projects.
        /// </summary>
        /// <param name="userId">The user identifier.</param>
        /// <param name="projectId">The project identifier to add.</param>
        /// <returns>The updated <see cref="UserAdapter"/> entity.</returns>
        /// <response code="200">The user with the updated projects.</response>
        /// <response code="404">The user or project not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpPost]
        [Route(Routes.AddProject)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> AddProjectToUserAsync([FromRoute] string userId, [FromRoute] string projectId)
        {
            try
            {
                var result = await service.AddProjectToUserService(userId, projectId);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in AddProjectToUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Removes a project from the user's list of projects.
        /// </summary>
        /// <param name="userId">The user identifier.</param>
        /// <param name="projectId">The project identifier to remove.</param>
        /// <returns>The updated <see cref="UserAdapter"/> entity.</returns>
        /// <response code="200">The user with the updated projects.</response>
        /// <response code="404">The user or project not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpDelete]
        [Route(Routes.RemoveProject)]
        [ProducesResponseType(typeof(UserAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("UserManagement.Write")]
        public async Task<IActionResult> RemoveProjectFromUserAsync([FromRoute] string userId, [FromRoute] string projectId)
        {
            try
            {
                var result = await service.RemoveProjectFromUserService(userId, projectId);

                return Ok(result);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in RemoveProjectFromUserAsync");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }

        /// <summary>
        /// Gets a token for the user, including roles, permissions, and modules.
        /// </summary>
        /// <param name="email">The user's email.</param>
        /// <returns>The token adapter with user details, role, permissions, and modules.</returns>
        /// <response code="200">The token adapter with user details.</response>
        /// <response code="404">The user not found.</response>
        /// <response code="500">The service internal error.</response>
        [HttpGet]
        [Route("{email}/GetTokenAdapter")]
        [ProducesResponseType(typeof(TokenAdapter), StatusCodes.Status200OK)]
        [Authorize(AuthenticationSchemes = $"{Schemes.HeathScheme}, {Schemes.AzureScheme}")]
        public async Task<IActionResult> GetTokenAdapter([FromRoute] string email)
        {
            try
            {
                var tokenAdapter = await service.GetTokenAdapter(email);

                if (tokenAdapter == null) return NotFound($"User with email: {email} not found");

                return Ok(tokenAdapter);
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "Error in GetTokenAdapter");
                return StatusCode(500, $"Internal server error, ErrorMessage: {ex.Message}");
            }
        }
    }
}