using AutoMapper;
using ProductionLineMonitor.Core.Dtos;
using ProductionLineMonitor.Core.IRepositories;
using ProductionLineMonitor.Core.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProductionLineMonitor.Core.Services
{
    public class RecipeService : IRecipeService
    {
        private readonly IUnitOfWork _unitOfWork;
        private readonly IMapper _mapper;
        public RecipeService(IUnitOfWork unitOfWork, IMapper mapper)
        {
            _unitOfWork = unitOfWork;
            _mapper = mapper;
        }

        public ResultDto<RecipeDto> Create(RecipeCreateOrUpdateDto input)
        {
            if (_unitOfWork.RecipeRepository.Any(
                x => x.ModuleType == input.ModuleType &&
                x.ProductionLineId == input.ProductionLineId))
            {
                return ResultDto<RecipeDto>.Fail("该机种对应线别已存在,请检查！");
            }
            var recipe = _mapper.Map<Recipe>(input);
            recipe.CreateTime = DateTime.Now;
            _unitOfWork.RecipeRepository.Create(recipe);
            _unitOfWork.SaveChanges();
            var recipeDto = _mapper.Map<RecipeDto>(recipe);
            return ResultDto<RecipeDto>.Success(recipeDto);
        }

        public ResultDto Delete(string id)
        {
            var recipe = _unitOfWork.RecipeRepository.GetById(id);
            if (recipe == null)
            {
                return ResultDto.Fail("资源不存在！");
            }
            _unitOfWork.RecipeRepository.Delete(recipe);
            _unitOfWork.SaveChanges();
            return ResultDto.Success();
        }

        public ResultDto<RecipeDto> GetById(string id)
        {
            var recipe = _unitOfWork.RecipeRepository.GetById(id);
            if (recipe == null)
            {
                return ResultDto<RecipeDto>.Fail("资源不存在！");
            }
            var recipeDto = _mapper.Map<RecipeDto>(recipe);
            var line = _unitOfWork.ProductionLineRepository.GetById(recipe.ProductionLineId);
            if (line != null)
            {
                recipeDto.ProductionLineName = line.Name;
            }
            return ResultDto<RecipeDto>.Success(recipeDto);
        }

        public ResultDto<IEnumerable<RecipeDto>> GetList()
        {
            List<RecipeDto> list = new List<RecipeDto>();
            var recipes = _unitOfWork.RecipeRepository.GetList();
            if (recipes != null)
            {
                foreach (var recipe in recipes)
                {
                    var recipeDto = _mapper.Map<RecipeDto>(recipe);
                    var line = _unitOfWork.ProductionLineRepository.GetById(recipeDto.ProductionLineId);
                    if (line != null)
                    {
                        recipeDto.ProductionLineName = line.Name;
                    }
                    list.Add(recipeDto);
                }
            }
            return ResultDto<IEnumerable<RecipeDto>>.Success(list);
        }

        public PageDto<IEnumerable<RecipeDto>> GetPageList(int pageIndex, int pageSize, string? keyword = null)
        {
            List<RecipeDto> recipeDtos = new List<RecipeDto>();
            var recipes = _unitOfWork.RecipeRepository.GetPageList(out int total, pageIndex, pageSize, 
                o => o.OrderByDescending(o => o.CreateTime), x => x.ModuleType.Contains(keyword));
            if (recipes != null)
            {
                foreach (var recipe in recipes)
                {
                    var recipeDto = _mapper.Map<RecipeDto>(recipe);
                    var line = _unitOfWork.ProductionLineRepository.GetById(recipeDto.ProductionLineId);
                    if (line != null)
                    {
                        recipeDto.ProductionLineName = line.Name;
                    }
                    recipeDtos.Add(recipeDto);
                }
            }
            return new PageDto<IEnumerable<RecipeDto>>(total, recipeDtos);
        }

        public ResultDto Update(string id, RecipeCreateOrUpdateDto input)
        {
            var recipe = _unitOfWork.RecipeRepository.GetById(id);
            if (recipe == null)
            {
                return ResultDto.Fail("资源不存在！");
            }
            _mapper.Map(input, recipe);
            recipe.UpdateTime = DateTime.Now;
            _unitOfWork.RecipeRepository.Update(recipe);
            _unitOfWork.SaveChanges();
            return ResultDto.Success();
        }
    }
}