using AsbCloudApp.Data;
using AsbCloudApp.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudWebApi.Controllers
{
    [Route("api/well")]
    [ApiController]
    [Authorize]
    public class WellController : ControllerBase
    {
        private readonly IWellService wellService;

        public WellController(IWellService wellService)
        {
            this.wellService = wellService;
        }
        
        /// <summary>
        /// Возвращает список доступных скважин
        /// </summary>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Список скважин</returns>
        [HttpGet]
        [ProducesResponseType(typeof(IEnumerable<WellDto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetWellsAsync(CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null)
            {
                return NoContent();
            }

            var wells = await wellService.GetWellsByCompanyAsync((int)idCompany,
                token).ConfigureAwait(false);

            if (wells is null || !wells.Any())
                return NoContent();

            return Ok(wells);
        }
        
        /// <summary>
        /// Возвращает информацию о требуемой скважине 
        /// </summary>
        /// <param name="idWell"> Id требуемой скважины </param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Информация о требуемой скважине </returns>
        [HttpGet("{idWell}")]
        [ProducesResponseType(typeof(WellDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetAsync(int idWell, CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null || !await wellService.IsCompanyInvolvedInWellAsync(idCompany??default, idWell, token).ConfigureAwait(false))
                return NoContent();

            var well = await wellService.GetAsync(idWell,
                token).ConfigureAwait(false);

            return Ok(well);
        }
        
        /// <summary>
        /// Редактирует указанные поля скважины
        /// </summary>
        /// <param name="idWell"> Id скважины </param>
        /// <param name="dto"> Объект параметров скважины.
        /// IdWellType: 1 - Наклонно-направленная, 2 - Горизонтальная.
        /// State: 0 - Неизвестно, 1 - В работе, 2 - Завершена.</param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns></returns>
        [HttpPut("{idWell}")]
        [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> UpdateWellAsync(int idWell, WellDto dto, 
            CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null || !await wellService.IsCompanyInvolvedInWellAsync((int)idCompany,
                idWell, token).ConfigureAwait(false))
                return Forbid();

            var result = await wellService.UpdateAsync(idWell, dto, token)
                .ConfigureAwait(false);

            return Ok(result);

        }
    }
}