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

namespace TON
{
    public class RoulettePresenter
    {
        private PlayerDataManager playerDataManager;
        private List<RoulettePieceData> roulettePieceModels = new();
        public ReactiveCollection<RoulettePiecePresenter> RoulettePieces { get; } = new();
        public ReactiveProperty<bool> IsSpinning { get; } = new(false);
        public ReactiveProperty<RoulettePiecePresenter> SelectedPiece { get; } = new();
        private int accumulatedWeight;

        public RoulettePresenter(RoulettePieceData[] pieceDataArray)
        {
            playerDataManager = PlayerDataManager.Singleton;
            if (playerDataManager == null)
            {
                Debug.LogError("PlayerDataManager가 초기화되지 않았습니다.");
            }

            accumulatedWeight = 0;
            for (int i = 0; i < pieceDataArray.Length; ++i)
            {
                var data = pieceDataArray[i];
                data.index = i;
                if (data.chance <= 0) data.chance = 1;
                accumulatedWeight += data.chance;
                data.weight = accumulatedWeight;
                roulettePieceModels.Add(data);
                RoulettePieces.Add(new RoulettePiecePresenter(data));
            }
        }

        public int GetRandomIndex()
        {
            int weight = UnityEngine.Random.Range(0, accumulatedWeight);
            for (int i = 0; i < roulettePieceModels.Count; ++i)
            {
                if (roulettePieceModels[i].weight > weight)
                {
                    return i;
                }
            }
            return 0;
        }

        public void Spin(Action<RoulettePiecePresenter> onResult = null)
        {
            if (IsSpinning.Value) return;
            IsSpinning.Value = true;
            int selectedIndex = GetRandomIndex();
            var selected = RoulettePieces[selectedIndex];
            SelectedPiece.Value = selected;
            onResult?.Invoke(selected);
        }
        
        public void InsertRouletteResult(RoulettePiecePresenter selectedPresenter)
        {
            if (playerDataManager != null && int.TryParse(selectedPresenter.Description.Value, out int gold))
            {
                playerDataManager.AddGold(gold);
                UIManager.Singleton.UpdateCashData();
                Debug.Log($"{selectedPresenter.Index.Value}:{selectedPresenter.Description.Value}");
            }
        }
    }
}