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

namespace Ichni.RhythmGame
{
    /// <summary>
    /// 单次演奏的运行时判定记录。
    /// 本类随 GameScene 重建，只负责本局结算；长期最佳成绩由 SongSaveModule 写入 ES3，
    /// 因此不要把此对象直接当作存档模型使用。
    /// </summary>
    public class PlayingRecorder
    {
        public int perfectCount;
        public int goodCount;
        public int badCount;
        public int missCount;
        public int totalCount;

        public float accuracy;
        
        public int currentCombo;
        public int maxCombo;

        /// <summary>本局判定偏差图数据，仅供当前 Summary 使用，不写入存档。</summary>
        public List<float> resultData = new List<float>();
        
        public bool isFullCombo;
        public bool isAllPerfect;

        /// <summary>
        /// 在进入一局新演奏时重置全部瞬时状态。
        /// 初始化为 100% / FC / AP 是为了让首个非 Perfect 判定能正确打破对应状态；
        /// 无有效判定的空局不会被 SongSaveModule 写入成绩。
        /// </summary>
        public void Initialize()
        {
            if (resultData == null)
            {
                resultData = new List<float>();
            }
            else
            {
                resultData.Clear();
            }

            perfectCount = 0;
            goodCount = 0;
            badCount = 0;
            missCount = 0;
            totalCount = 0;
            accuracy = 100f;
            currentCombo = 0;
            maxCombo = 0;
            isFullCombo = true;
            isAllPerfect = true;
        }

        private void UpdateAccuracy()
        {
            float baseValue = perfectCount + goodCount * 0.7f + badCount * 0.3f;
            if (totalCount > 0)
            {
                accuracy = baseValue / totalCount * 100f;
            }
            else
            {
                accuracy = 100f; // 如果没有任何击打，准确率为100%
            }
        }

        private void AddCombo()
        {
            currentCombo++;
            maxCombo = Mathf.Max(maxCombo, currentCombo);
        }

        private void ResetCombo()
        {
            currentCombo = 0;
        }

        public void AddPerfect()
        {
            perfectCount++;
            totalCount++;
            AddCombo();
            UpdateAccuracy();
            GameManager.Instance.gameUICanvas.UpdateAccuracy(accuracy);
            GameManager.Instance.gameUICanvas.UpdateCombo(currentCombo);
        }
        
        public void AddGood()
        {
            goodCount++;
            totalCount++;
            AddCombo();
            UpdateAccuracy();
            isAllPerfect = false;
            GameManager.Instance.gameUICanvas.UpdateAccuracy(accuracy);
            GameManager.Instance.gameUICanvas.UpdateCombo(currentCombo);
        }
        
        public void AddBad()
        {
            badCount++;
            totalCount++;
            ResetCombo();
            UpdateAccuracy();
            isFullCombo = false;
            isAllPerfect = false;
            GameManager.Instance.gameUICanvas.UpdateAccuracy(accuracy);
            GameManager.Instance.gameUICanvas.UpdateCombo(currentCombo);
        }
        
        public void AddMiss()
        {
            missCount++;
            totalCount++;
            ResetCombo();
            UpdateAccuracy();
            isFullCombo = false;
            isAllPerfect = false;
            GameManager.Instance.gameUICanvas.UpdateAccuracy(accuracy);
            GameManager.Instance.gameUICanvas.UpdateCombo(currentCombo);
        }
    }
}