using System.Collections.Generic;
using System.Linq;
using Unity.BossRoom.Gameplay.GameplayObjects.Character;
using UnityEngine;

public class CrowManager : MonoBehaviour
{
    public static CrowManager Instance { get; private set; }

    private List<ServerCharacter> players = new List<ServerCharacter>();

    private ServerCharacter currentCrow;

    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(this);
            return;
        }
        Instance = this;
    }

    private void Start()
    {
        // players = FindObjectsOfType<ServerCharacter>().ToList();
    }

    
    private void Update()
    {
        DetermineCrow();
    }

    private void DetermineCrow()
    {
        int unoccupiedPlayers = 0;
        ServerCharacter potentialCrow = null;

        foreach (var player in players)
        {
            if (!player.IsOnAPlatform)
            {
                unoccupiedPlayers++;
                potentialCrow = player;
            }
        }

        // If exactly one player is not on a platform, assign as crow
        if (unoccupiedPlayers == 1)
        {
            AssignCrow(potentialCrow);
        }
        else if (unoccupiedPlayers == 0 && currentCrow != null)
        {
            // All players are on platforms, clear crow
            ClearCrow();
        }
    }

    private void AssignCrow(ServerCharacter player)
    {
        if (currentCrow == player) return; // Already the crow

        if (currentCrow != null)
        {
            // Clear old crow
            currentCrow.SetAsCrow(false);
        }

        currentCrow = player;
        currentCrow.SetAsCrow(true);
        Debug.Log($"{currentCrow.name} is now the Crow.");
    }

    private void ClearCrow()
    {
        if (currentCrow != null)
        {
            currentCrow.SetAsCrow(false);
            Debug.Log($"{currentCrow.name} is no longer the Crow.");
            currentCrow = null;
        }
    }

    public void AddCharacterToList(ServerCharacter character)
    {
        players.Add(character);
    }

    public void RemoveCharacterFromList(ServerCharacter character)
    {
        players.Remove(character);
    }
    
}