using CandidateReviewContracts.BindingModels;
using CandidateReviewContracts.BusinessLogicsContracts;
using CandidateReviewContracts.SearchModels;
using CandidateReviewContracts.ViewModels;
using CandidateReviewDataModels.Models;
using Microsoft.AspNetCore.Mvc;

namespace CandidateReviewRestApi.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class AssessmentController : Controller
    {
        private readonly ILogger _logger;
        private readonly IAssessmentLogic _logic;
        public AssessmentController(IAssessmentLogic logic, ILogger<AssessmentController> logger)
        {
            _logger = logger;
            _logic = logic;
        }

        [HttpGet]
        public AssessmentViewModel? Details(int id)
        {
            try
            {
                return _logic.ReadElement(new AssessmentSearchModel
                {
                    Id = id
                });
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка получения оценки");
                throw;
            }
        }

        [HttpGet]
        public List<AssessmentViewModel>? ListByUserId(int id)
        {
            try
            {
                return _logic.ReadList(new AssessmentSearchModel
                {
                    UserId = id
                });
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка получения оценок");
                throw;
            }
        }

        [HttpGet]
        public List<AssessmentViewModel>? ListByResumeId(int id)
        {
            try
            {
                return _logic.ReadList(new AssessmentSearchModel
                {
                    ResumeId = id
                });
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка получения оценок");
                throw;
            }
        }

        [HttpPost]
        public int? Create(AssessmentBindingModel model)
        {
            try
            {
                int? id = _logic.Create(model);
                return id;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка создания оценки");
                throw;
            }
        }
        [HttpPost]
        public void AddCriterionToAssessment(Dictionary<int, (ICriterionModel, int)> model)
        {
            if (model == null || model.Count == 0)
            {
                throw new ArgumentException("Модель данных не должна быть пустой.", nameof(model));
            }

            try
            {
                foreach (var kvp in model)
                {
                    var id = kvp.Key;  
                    var (criterion, value) = kvp.Value;

                    if (criterion == null)
                    {
                        continue;
                    }

                    if (!model.ContainsKey(id))
                    {
                        model.Add(id, (criterion, value));
                    }
                    else
                    {
                        model[id] = (criterion, value);
                    }

                    var success = _logic.AddCriterionToAssessment(
                        new AssessmentSearchModel { Id = id }, 
                        criterion,
                        value
                    );

                    if (!success)
                    {
                        throw new Exception("Ошибка добавления критерия.");
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка добавления критериев.");
                throw;
            }
        }

        [HttpPost]
        public void Update(AssessmentBindingModel model)
        {
            try
            {
                _logic.Update(model);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка обновления оценки");
                throw;
            }
        }

        [HttpPost]
        public void Delete(AssessmentBindingModel model)
        {
            try
            {
                _logic.Delete(model);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка удаления оценки");
                throw;
            }
        }
    }
}