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>
    /// Контроллер секций скважины
    /// </summary>
    [ApiController]
    [Authorize]
    [Route("api")]
    public class WellOperationStatController : ControllerBase
    {
        private readonly IWellOperationsStatService operationsStatService;
        private readonly IWellService wellService;

        public WellOperationStatController(IWellOperationsStatService sectionsService, IWellService wellService)
        {
            this.operationsStatService = sectionsService;
            this.wellService = wellService;
        }

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

            int idCompany = idCompanyOrNull ?? 0;
            // TODO: Fix next commented lines
            //if (!await CanUserAccessToWellAsync(idCluster, token).ConfigureAwait(false))
            //    return Forbid();

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

        /// <summary>
        /// Получает статстику по списку скважин
        /// </summary>
        /// <param name="idWells">список скважин</param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpGet]
        [Route("wellsStats")]
        [ProducesResponseType(typeof(IEnumerable<StatWellDto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetWellsStatAsync([FromQuery]IEnumerable<int> idWells, CancellationToken token = default)
        {
            var protectedIdWells = idWells.Where(CanUserAccessToWell);
            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]
        [Route("well/{idWell}/stat")]
        [ProducesResponseType(typeof(StatWellDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetStatWellAsync(int idWell,
            CancellationToken token = default)
        {
            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
                return Forbid();

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

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

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

        private bool CanUserAccessToWell(int idWell)
        {
            int? idCompany = User.GetCompanyId();
            return idCompany is not null && wellService.IsCompanyInvolvedInWell((int)idCompany, idWell);
        }

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