using AutoMapper;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using PARR.Core.Repositories.Interfaces;
using PARR.Core.Services.RobotTaskDetailsServices.Interfaces;
using PARR.Domain.DTOs.RobotTaskDetails;
using PARR.Domain.DTOs.Shared;
using PARR.Domain.Enums;

namespace PARR.Core.Services.RobotTaskDetailsServices.Implementations
{
    internal class RobotTaskDetailsService : IRobotTaskDetailsService
    {
        private readonly ILogger<RobotTaskDetailsService> _logger;
        private readonly IRobotConfigurationRepository _robotConfigurationRepository;
        private readonly IMapper _mapper;
        private readonly IRobotRepository _robotRepository;
        private readonly ITaskStatusRepository _taskStatusRepository;

        public RobotTaskDetailsService(
                ILogger<RobotTaskDetailsService> logger,
                IRobotConfigurationRepository robotConfigurationRepository,
                IMapper mapper,
                IRobotRepository robotRepository,
                ITaskStatusRepository taskStatusRepository
            )
        {
            _logger = logger;
            _robotConfigurationRepository = robotConfigurationRepository;
            _mapper = mapper;
            _robotRepository = robotRepository;
            _taskStatusRepository = taskStatusRepository;
        }

        public async Task<RobotTaskDetailsResult> GetDetailsAsync(RobotsEnum robot, TaskStatusEnum task)
        {
            var details = await _robotConfigurationRepository.Get()
                                    .Where(t => t.RobotCode == (int)robot && t.TaskStatusCode == (int)task)
                                    .GroupBy(t => t.Template!.Job!.Group)
                                    .Select(t => new
                                    {
                                        JobGroup = t.Key,
                                        TemplatesCount = t.Count()
                                    }).ToListAsync();

            var robotObj = await _robotRepository.Get()
                                                    .AsNoTracking()
                                                    .FirstOrDefaultAsync(t => t.Code == (int)robot);

            var taskObj = await _taskStatusRepository.Get()
                                                    .AsNoTracking()
                                                    .FirstOrDefaultAsync(t => t.Code == (int)task);

            var result = new RobotTaskDetailsResult
            {
                Robot = _mapper.Map<RobotResult>(robotObj),
                Task = _mapper.Map<RobotTaskStatusResult>(taskObj),
                Details = details.Select(t => new RobotTaskGroupDetailsResult
                {
                    JobGroup = _mapper.Map<JobGroupShortResult>(t.JobGroup),
                    TemplatesCount = t.TemplatesCount
                }).OrderBy(t => t.JobGroup.GroupName).ToList()
            };

            return result;
        }
    }
}