using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using PARR.API.Contracts.V1;
using PARR.API.Contracts.V1.Requests.Queries;
using PARR.API.Contracts.V1.Responses;
using PARR.API.Contracts.V1.Responses.Base;
using PARR.API.Controllers.V1.Base;
using PARR.API.Extensions;
using PARR.API.Services.Interfaces;
using PARR.DAL.DomainModels;
using PARR.DAL.Models;
using PARR.DAL.Services.Interfaces;
using static Microsoft.EntityFrameworkCore.DbLoggerCategory;
using static PARR.API.Contracts.V1.ApiRoutes;

namespace PARR.API.Controllers.V1
{
    public class JobController : BaseApiController
    {
        private readonly IMapper mapper;
        private readonly IJobService jobService;
        //private readonly ISchedulerService schedulerService;
        private readonly IClientService clientService;
        private readonly IHostService hostService;

        public JobController(
            IMapper mapper,
            IJobService jobService,
            IClientService clientService,
            IHostService hostService
            )
        {
            this.mapper = mapper;
            this.jobService = jobService;
            //this.schedulerService = schedulerService;
            this.clientService = clientService;
            this.hostService = hostService;
        }


        /// <summary>
        /// Список всех jobов постранично в соотвествии с фильтрами
        /// </summary>
        /// <param name="paginationQuery"></param>
        /// <returns></returns>
        [HttpGet(ApiRoutes.Jobs.GetAll)]
        public async Task<IActionResult> GetAll([FromQuery] PaginationQuery paginationQuery, [FromQuery] JobGetAllQuery filter)
        {
            var paginationFilter = mapper.Map<PaginationFilter>(paginationQuery);
            IQueryable<Job> query = jobService.Get().Include(t => t.JobMode).OrderBy(s => s.StartAt);

            if (filter.IsEnabled.HasValue)
                query = query.Where(t => t.IsEnabled == filter.IsEnabled);

            if (filter.StartDatePlanned.HasValue)
                query = query.Where(t => t.StartAt.DateTime.Date <= filter.StartDatePlanned.Value.DateTime.Date); ;

            var jobs = await jobService.GetPage(query, paginationFilter).ToListAsync();

            if (!jobs.Any())
                return NoContent();

            var jobResponse = mapper.Map<List<JobGetAllResponse>>(jobs);
            var paginationResponse = new PagedResponse<JobGetAllResponse>(jobResponse, true).GetPaginatedProps(paginationFilter, query);

            return Ok(paginationResponse);
        }


        [HttpGet(ApiRoutes.Jobs.GetByIp)]
        public async Task<IActionResult> GetByClientIP([FromQuery] JobGetByIpQuery requestQuery)
        {
            var ip = requestQuery.Ip ?? clientService.GetClientIp()?.ToString();
            if (string.IsNullOrEmpty(ip))
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = "Client IP address is null." } }));

            var date = requestQuery.Date ?? DateTimeOffset.Now;

            // С одним IP может быть несколько информационных систем, соответственного а таблице храниться несколько записей хостов с одинаковым IP
            var hosts = await hostService.Get().Where(h => h.IP == ip).ToListAsync();
            var hostJobsDict = new Dictionary<DAL.Models.Host, List<Job>>();
            foreach (var host in hosts)
            {
                var jobsHost = await jobService.Get()
                        .Include(a => a.Application).ThenInclude(ah => ah.ApplicationsInHosts)/*.ThenInclude(h => h.Host)*/
                        .Include(jm=>jm.JobMode)
                        .AsSplitQuery()
                        .Where(j => j.Application != null && j.Application.ApplicationsInHosts.Any(ah => ah.HostId == host.Id))
                        .ToListAsync();
                if (jobsHost.Any())
                    hostJobsDict.Add(host, jobsHost);
            }
            //hostJobsDict.Values.Distinct();

            var jobsJoined = new List<Job>();
            foreach(var job in hostJobsDict.Values)
            {
                job.ForEach(item =>
                {
                    jobsJoined.Add(item);
                });
            }

            if (!jobsJoined.Any())
                return NoContent();
 
            var jobResponse = mapper.Map<List<JobGetAllResponse>>(jobsJoined.Distinct());

            return Ok(new Response<List<JobGetAllResponse>>(jobResponse, true, new List<ErrorModel>(), $"{ip},{date}"));
        }

    }
}