//================================================================================
//
//================================================================================

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

//================================================================================
//
//================================================================================
namespace ReaderRabbit
{

    //================================================================================
    //
    //================================================================================
    public class SandwichManager : MonoBehaviour
	{

        //================================================================================
        //
        //================================================================================
        private const int MIN_NUMBER_OF_INGREDIENTS = 3;
		
		[SerializeField] private int m_MaxNumberOfIngredientsPerType = 15;
		[SerializeField] private List<SandwichIngredientsColumn> m_Columns;
		private IngredientDescriptor m_SelectedIngredient;
		private Dictionary<string, int> m_NumberOfIngredientsPerType;

        //================================================================================
        //
        //================================================================================
        void Awake()
		{
			m_NumberOfIngredientsPerType = new Dictionary<string, int>();
		}

        //================================================================================
        //
        //================================================================================
        public bool ProcessIngredientAddition(IngredientDescriptor ingredient, Vector2 position)
		{
			if (!m_NumberOfIngredientsPerType.ContainsKey(ingredient.IngredientName))
			{
				m_NumberOfIngredientsPerType.Add(ingredient.IngredientName, 1);
			}
			
			if (m_NumberOfIngredientsPerType[ingredient.IngredientName] <= m_MaxNumberOfIngredientsPerType)
			{
				foreach (SandwichIngredientsColumn column in m_Columns)
				{
					if (column.GetComponent<Collider2D>().bounds.Contains(position))
					{
						if (column.AddIngredient(ingredient.gameObject))
						{
							m_NumberOfIngredientsPerType[ingredient.IngredientName]++;
							return true;
						}
					}
				}
			}
			else
			{
				// TODO: Play max number of ingredient type feedback
			}
			return false;
		}

        //================================================================================
        //
        //================================================================================
        public void ResetNumberOfIngredientsPerType()
		{
			m_NumberOfIngredientsPerType.Clear();
		}

        //================================================================================
        //
        //================================================================================
        public bool HasEnoughIngredients()
		{
			return (m_NumberOfIngredientsPerType.Count >= MIN_NUMBER_OF_INGREDIENTS);
		}

        //================================================================================
        //
        //================================================================================
        public float GetMaximumIngredientsHeight()
		{
			float maximumHeight = 0;
			
			foreach (SandwichIngredientsColumn column in m_Columns)
			{
				if (column.GetIngredientsHeight() > maximumHeight)
				{
					maximumHeight = column.GetIngredientsHeight();
				}
			}
			
			return maximumHeight;
		}

        //================================================================================
        //
        //================================================================================
        public void Reset()
		{
			m_NumberOfIngredientsPerType.Clear();
			
			foreach (SandwichIngredientsColumn column in m_Columns)
			{
				column.Reset();
			}
		}

        //================================================================================
        //
        //================================================================================
        public int GetNumberOfDifferendIngredients()
        {
            return m_NumberOfIngredientsPerType.Keys.Count;
        }

        //================================================================================
        //
        //================================================================================
        public bool IsIngredientMaxed(IngredientDescriptor ingredient)
        {
            int count = 0;
            m_NumberOfIngredientsPerType.TryGetValue(ingredient.IngredientName, out count);
            return count >= m_MaxNumberOfIngredientsPerType;
        }

    } // public class SandwichManager : MonoBehaviour

} // namespace ReaderRabbit