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
{

    /// <summary>
    /// Статистика по операциям (заведенным вручную) на скважине
    /// </summary>
    [ApiController]
    [Authorize]
    [Route("api")]
    public class OperationStatController : ControllerBase
    {
        private readonly IOperationsStatService operationsStatService;
        private readonly IWellService wellService;

        public OperationStatController(IOperationsStatService sectionsService, IWellService wellService)
        {
            this.operationsStatService = sectionsService;
            this.wellService = wellService;
        }

        /// <summary>
        /// Формирует данные по среднему и максимальному МСП на кусту по id скважины
        /// </summary>
        /// <param name="idWell">id скважины с данного куста (через нее будут получены данные)</param>
        /// <param name="token"></param>
        /// <returns>Возвращает данные по среднему и максимальному МСП на кусту</returns>
        [HttpGet("well/{idWell}/ropStat")]
        [Permission]
        [ProducesResponseType(typeof(ClusterRopStatDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetClusterRopStatByIdWellAsync([FromRoute] int idWell,
            CancellationToken token)
        {
            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
                return Forbid();

            var result = await operationsStatService.GetOrDefaultRopStatAsync(
                idWell, token).ConfigureAwait(false);

            return Ok(result);
        }

        /// <summary>
        /// Формирует данные по среднему и максимальному МСП на кусту по uid панели
        /// </summary>
        /// <param name="uid">id передающей данные панели</param>
        /// <param name="token"></param>
        /// <returns>Возвращает данные по среднему и максимальному МСП на кусту</returns>
        [HttpGet("telemetry/{uid}/ropStat")]
        [ProducesResponseType(typeof(ClusterRopStatDto), (int)System.Net.HttpStatusCode.OK)]
        [AllowAnonymous]
        public async Task<IActionResult> GetClusterRopStatByUidAsync([FromRoute] string uid,
            CancellationToken token)
        {
            var idWell = wellService.TelemetryService.GetIdWellByTelemetryUid(uid);

            if (idWell is null)
                return NoContent();

            var result = await operationsStatService.GetOrDefaultRopStatAsync(
                (int)idWell, token).ConfigureAwait(false);

            return Ok(result);
        }

        /// <summary>
        /// Получает статистику по скважинам куста
        /// </summary>
        /// <param name="idCluster">id куста</param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpGet("cluster/{idCluster}/stat")]
        [Permission]
        [ProducesResponseType(typeof(StatClusterDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetStatClusterAsync(int idCluster,
            CancellationToken token)
        {
            int? idCompany = User.GetCompanyId();
            if (idCompany is null)
                return Forbid();

            var result = await operationsStatService.GetOrDefaultStatClusterAsync(idCluster, idCompany.Value, token)
                .ConfigureAwait(false);
            return Ok(result);
        }

        /// <summary>
        /// Получает статистику по списку скважин
        /// </summary>
        /// <param name="idWells">список скважин</param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpGet("wellsStats")]
        [Permission]
        [ProducesResponseType(typeof(IEnumerable<StatWellDto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetWellsStatAsync([FromQuery] IEnumerable<int> idWells, CancellationToken token)
        {
            int? idCompany = User.GetCompanyId();
            if (idCompany is null)
                return Forbid();

            var allowedWells = await wellService.GetAsync(new() { IdCompany = idCompany }, token);

            var protectedIdWells = idWells.Where(id => allowedWells.Any(allowed => allowed.Id == id));
            var result = await operationsStatService.GetWellsStatAsync(protectedIdWells, token)
                .ConfigureAwait(false);
            return Ok(result);
        }

        /// <summary>
        /// Получает статистику по скважине
        /// </summary>
        /// <param name="idWell">id скважины</param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpGet("well/{idWell}/stat")]
        [Permission]
        [ProducesResponseType(typeof(StatWellDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetStatWellAsync(int idWell,
            CancellationToken token)
        {
            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
                return Forbid();

            var result = await operationsStatService.GetOrDefaultWellStatAsync(idWell, token)
                .ConfigureAwait(false);
            return Ok(result);
        }

        /// <summary>
        /// Получает данные для графика глубина-день
        /// </summary>
        /// <param name="idWell"></param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpGet("well/{idWell}/tvd")]
        [Permission]
        [ProducesResponseType(typeof(IEnumerable<PlanFactPredictBase<WellOperationDto>>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetTvdAsync(int idWell,
            CancellationToken token)
        {
            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
                return Forbid();

            var result = await operationsStatService.GetTvdAsync(idWell, token)
                .ConfigureAwait(false);
            return Ok(result);
        }

        private 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);
        }
    }

}