using Asp.Versioning;
using Core.Cerberos.Adapters.Attributes;
using Core.Cerberos.Adapters.Common.Constants;
using Core.Cerberos.Application.UseCases.Roles.Input;
using Core.Cerberos.Application.UseCases.Roles.Ports;
using Lib.Architecture.BuildingBlocks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace Core.Cerberos.Service.API.Controllers
{
    /// <summary>
    /// Handles all requests for role authentication.
    /// </summary>
    [ApiVersion("1.0")]
    [Route("api/v{api-version:apiVersion}/[controller]")]
    [Produces("application/json")]
    [ApiController]
    [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
    public class RoleController : ControllerBase
    {
        private readonly IComponentHandler<GetRoleRequest> getRoleHandler;
        private readonly IComponentHandler<GetAllRolesRequest> getAllRolesHandler;
        private readonly IComponentHandler<CreateRoleRequest> createRoleHandler;
        private readonly IComponentHandler<UpdateRoleRequest> updateRoleHandler;
        private readonly IComponentHandler<ChangeRoleStatusRequest> changeStatusRoleHandler;
        private readonly IComponentHandler<AddApplicationToRoleRequest> addApplicationToRoleHandler;
        private readonly IComponentHandler<RemoveApplicationFromRoleRequest> removeApplicationToRoleHandler;
        private readonly IRolePort port;

        /// <summary>
        /// Handles all requests for role authentication.
        /// </summary>
        public RoleController(
            IComponentHandler<GetRoleRequest> getRoleHandler,
            IComponentHandler<GetAllRolesRequest> getAllRolesHandler,
            IComponentHandler<CreateRoleRequest> createRoleHandler,
            IComponentHandler<UpdateRoleRequest> updateRoleHandler,
            IComponentHandler<ChangeRoleStatusRequest> changeRoleStatusHandler,
            IComponentHandler<AddApplicationToRoleRequest> addApplicationToRoleHandler,
            IComponentHandler<RemoveApplicationFromRoleRequest> removeApplicationToRoleHandler,
            IRolePort port
            )
        {
            this.createRoleHandler = createRoleHandler;
            this.updateRoleHandler = updateRoleHandler;
            this.changeStatusRoleHandler = changeRoleStatusHandler;
            this.getAllRolesHandler = getAllRolesHandler;
            this.getRoleHandler = getRoleHandler;
            this.addApplicationToRoleHandler = addApplicationToRoleHandler;
            this.removeApplicationToRoleHandler = removeApplicationToRoleHandler;
            this.port = port;
        }

        /// <summary>
        /// Gets all the roles.
        /// </summary>
        [HttpGet("GetAll")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Read")]
        public async Task<IActionResult> GetAllRolesAsync(CancellationToken cancellationToken)
        {
            await getAllRolesHandler.ExecuteAsync(new GetAllRolesRequest { }, cancellationToken).ConfigureAwait(false);

            return port.ViewModel;
        }

        /// <summary>
        /// Gets the role by identifier.
        /// </summary>
        [HttpPost]
        [Route("GetById")]
        [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)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Read")]
        public async Task<IActionResult> GetRoleById([FromBody] GetRoleRequest request, CancellationToken cancellationToken)
        {
            if (string.IsNullOrEmpty(request.Id)) { return BadRequest("Invalid role identifier"); }

            await getRoleHandler.ExecuteAsync(request, cancellationToken).ConfigureAwait(false);

            return port.ViewModel;
        }

        /// <summary>
        /// Creates a new role.
        /// </summary>
        [HttpPost("Create")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Write")]
        public async Task<IActionResult> CreateRoleAsync([FromBody] CreateRoleRequest newRole, CancellationToken cancellationToken = default)
        {
            await createRoleHandler.ExecuteAsync(newRole, cancellationToken).ConfigureAwait(false);

            return port.ViewModel;
        }

        /// <summary>
        /// Updates a full role by identifier.
        /// </summary>
        [HttpPut("Update")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status412PreconditionFailed)]
        [ProducesResponseType(typeof(Notification), StatusCodes.Status422UnprocessableEntity)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Write")]
        public async Task<IActionResult> UpdateRoleAsync([FromBody] UpdateRoleRequest entity, CancellationToken cancellationToken = default)
        {
            await updateRoleHandler.ExecuteAsync(entity, cancellationToken).ConfigureAwait(false);

            return port.ViewModel;
        }

        /// <summary>
        /// Changes the status of the role.
        /// </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)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Write")]
        public async Task<IActionResult> ChageRoleStatusAsync(ChangeRoleStatusRequest request, CancellationToken cancellationToken)
        {
            if (string.IsNullOrEmpty(request.Id)) { return BadRequest("Invalid role identifier"); }

            await changeStatusRoleHandler.ExecuteAsync(request, cancellationToken).ConfigureAwait(false);

            return port.ViewModel;
        }

        /// <summary>
        /// Adds an application to the role's list of applications.
        /// </summary>
        [HttpPost]
        [Route("AddApplication")]
        [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)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Write")]
        public async Task<IActionResult> AddApplicationToRoleAsync(AddApplicationToRoleRequest request, CancellationToken cancellationToken)
        {
            if (string.IsNullOrEmpty(request.RoleId)) { return BadRequest("Invalid role identifier"); }

            await addApplicationToRoleHandler.ExecuteAsync(request, cancellationToken);

            return port.ViewModel;
        }

        /// <summary>
        /// Removes an application from the role's list of applications.
        /// </summary>
        [HttpDelete]
        [Route("RemoveApplication")]
        [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)]
        [Authorize(AuthenticationSchemes = Schemes.HeathScheme)]
        [Permission("RoleManagement.Write")]
        public async Task<IActionResult> RemoveApplicationToRoleAsync(RemoveApplicationFromRoleRequest request,
                                                                   CancellationToken cancellationToken)
        {
            if (string.IsNullOrEmpty(request.RoleId)) { return BadRequest("Invalid role identifier"); }

            await removeApplicationToRoleHandler.ExecuteAsync(request, cancellationToken);

            return port.ViewModel;
        }
    }
}