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

[Serializable]
public class ScoreModel
{
    public int Score;
    public List<DestroyedShipsCounter> ShipsCounters;
    public event Action<ScoreModel> OnUpdate;
    public event Action<int> OnNewScore;

    public ScoreModel(List<EnemyShip> enemyShips)
    {
        Score = 0;
        ShipsCounters = new();

        //Собираем сет используемых типов кораблей
        HashSet<EnemyShip.ShipType> shipTypes = new();
        foreach (EnemyShip enemy in enemyShips)
            shipTypes.Add(enemy.Type);

        //Заполняем модель счетчиками
        foreach (var shipType in shipTypes)
            ShipsCounters.Add(new DestroyedShipsCounter(shipType));

        EnemyShip.ShipDefeated += ShipDestroyedHandler;
    }

    public void ShipDestroyedHandler(EnemyShip destroyedShip)
    {
        Score += destroyedShip.Score;
        OnNewScore?.Invoke(Score);

        var counter = ShipsCounters.Find(counter => counter.ShipType == destroyedShip.Type);
        if (counter != null)
        {
            counter.Count++;
            OnUpdate?.Invoke(this);
        }
        else
            Debug.LogWarning($"Не найден счетчик для типа корабля \"{destroyedShip.Type}\"");
    }

    public DestroyedShipsCounter GetCounterByType(EnemyShip.ShipType shiptype) 
        => ShipsCounters.Find(s => s.ShipType == shiptype);

    [Serializable]
    public class DestroyedShipsCounter
    {
        public EnemyShip.ShipType ShipType;
        public int Count;

        public DestroyedShipsCounter(EnemyShip.ShipType shipType)
        {
            this.ShipType = shipType;
            Count = 0;
        }
    }
}