using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CzokoŚmieciarka.MonoGameView.DataModels.Enums;
using CzokoŚmieciarka.MonoGameView.DataModels.Exceptions;
using CzokoŚmieciarka.MonoGameView.DataModels.Interfaces;
using CzokoŚmieciarka.MonoGameView.DataModels.Interfaces.GarbageCollector;
using CzokoŚmieciarka.MonoGameView.DataModels.Interfaces.TrashCans;

namespace CzokoŚmieciarka.MonoGameView.DataModels.Models.Steps
{
    public class SpillStep : IStep
    {
        public SpillStep(GarbageType typeOfGarbage)
        {
            this._typeOfGarbage = typeOfGarbage;
        }
      
        private GarbageType _typeOfGarbage;

        public bool Invoke(IGarbageCollector _garbageCollector, ICloneable [,] grid)
        {
            var _dump = (ADump)grid[_garbageCollector.Coords.X, _garbageCollector.Coords.Y];

            if (_dump.TypeOfGarbage.GarbageType != _typeOfGarbage)
                return false;

            if (_garbageCollector.TrashContainers.All(c => c.TypeOfGarbage.GarbageType != _typeOfGarbage))
                return false;
            var containers = _garbageCollector.TrashContainers.Where(t => t.TypeOfGarbage.GarbageType == _typeOfGarbage && t.FillPercent > 0);
            if (containers.Any())
            {
                var preGarbage = containers.Select(t => t.TakeGarbage()).ToList();
                if (preGarbage.Any(x => x == null)) return false;
                var garbage = preGarbage.Aggregate((a, b) => a + b);
                if (!_dump.AddGarbage(garbage)) return false;
                for (int x = 0; x < grid.GetLength(0); x++)
                {
                    for (int y = 0; y < grid.GetLength(1); y++)
                    {
                        if (grid[x, y] is Road2) grid[x, y] = new Road1(new Coords(x, y));
                    }
                }
                _garbageCollector.Counter = 0;
                return true;
            }
            return false;
            
        }
    }
}