using Microsoft.Extensions.DependencyInjection;
using Seyounth.Hyosung.Data.Entities;
using Seyounth.Hyosung.Data.Repositories;

namespace Seyounth.Hyosung.Data.Services;

public class AgvBinService : IAgvBinService
{
    private readonly List<AgvBinEntity> _cache;

    private readonly IRepository<AgvBinEntity> _repository;

    public AgvBinService(IServiceProvider provider)
    {
        _repository = provider.CreateScope().ServiceProvider.GetRequiredService<IRepository<AgvBinEntity>>();
        _cache = _repository.GetList();
    }

    public async Task<AgvBinEntity> GetAvailableBin(int height)
    {
        if (height < 180)
        {
            return _cache
                .Where(x =>
                    x is { CtnrType: 1, IsFree: true } ||
                    x is { CtnrType: 2, IsFree: true } &&
                    _cache.Any(y =>
                        y is { CtnrType: 1, IsFree: false } && y.BinCode == x.BinCode &&
                        y is { Height: < 180 })
                )
                .OrderByDescending(x => x.CtnrType)
                .ThenBy(x => x.Sort)
                .First();
        }

        return _cache.Where(a => a is { IsFree: true }).OrderBy(a => a.CtnrType).First();
    }

    public Task BindAsync(AgvBinEntity entity)
    {
        entity.IsFree = false;
        _cache.First(e => e.Id == entity.Id).IsFree = false;
        return _repository.UpdateAsync(entity);
    }
}