using AsbCloudApp.Data.Trajectory;
using AsbCloudApp.Repositories;
using AsbCloudApp.Services;
using AsbCloudInfrastructure.Services.Trajectory.Export;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudWebApi.Controllers.Trajectory
{

    /// <summary>
    /// Плановые и фактические траектории (загрузка и хранение)
    /// </summary>
    [ApiController]
    [Authorize]
    public abstract class TrajectoryController<Tdto> : ControllerBase
        where Tdto : TrajectoryGeoDto
    {
        protected abstract string fileName { get; set; }

        private readonly IWellService wellService;
        private readonly TrajectoryExportService<Tdto> trajectoryExportService;
        private readonly ITrajectoryRepository<Tdto> trajectoryRepository;

        public TrajectoryController(IWellService wellService,
            TrajectoryExportService<Tdto> trajectoryExportService,
            ITrajectoryRepository<Tdto> trajectoryRepository)
        {
            this.trajectoryExportService = trajectoryExportService;
            this.wellService = wellService;
            this.trajectoryRepository = trajectoryRepository;
        }

        /// <summary>
        /// Формируем excel файл с текущими строками траектории
        /// </summary>
        /// <param name="idWell">id скважины</param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Запрашиваемый файл</returns>
        [HttpGet("export")]
        [ProducesResponseType(typeof(PhysicalFileResult), (int)System.Net.HttpStatusCode.OK, "application/octet-stream")]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        public async Task<IActionResult> ExportAsync([FromRoute] int idWell, CancellationToken token)
        {
            if (!await CanUserAccessToWellAsync(idWell,
                token).ConfigureAwait(false))
                return Forbid();
            var stream = await trajectoryExportService.ExportAsync(idWell, token);
            var fileName = await trajectoryExportService.GetFileNameAsync(idWell, token);
            return File(stream, "application/octet-stream", fileName);
        }

        /// <summary>
        /// Получаем список всех строк координат траектории (для клиента)
        /// </summary>
        /// <param name="idWell">id скважины</param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Список добавленных координат траектории</returns>
        [HttpGet]
        //[ProducesResponseType(typeof(IEnumerable<Tdto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetAsync([FromRoute] int idWell, CancellationToken token)
        {
            if (!await CanUserAccessToWellAsync(idWell,
                token).ConfigureAwait(false))
                return Forbid();
            var result = await trajectoryRepository.GetAsync(idWell, token);
            return Ok(result);
        }

        protected async Task<bool> CanUserAccessToWellAsync(int idWell, CancellationToken token)
        {
            int? idCompany = User.GetCompanyId();
            return idCompany is not null && await wellService.IsCompanyInvolvedInWellAsync((int)idCompany,
                idWell, token).ConfigureAwait(false);
        }
    }

}