using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Text;

namespace 片剂四用仪.ViewModels
{
    internal class YdTest
    {
        // 测试参数（界面可设置）
        private int _testCount = 8;
        public int HardnessTestCount
        {
            get => _testCount;
            set { _testCount = value; OnPropertyChanged(); }
        }

        private int _intervalSec = 9;
        public int HardnessIntervalSec
        {
            get => _intervalSec;
            set { _intervalSec = value; OnPropertyChanged(); }
        }

        // 测试结果（界面显示）
        private float _max;
        public float HardnessMax
        {
            get => _max;
            set { _max = value; OnPropertyChanged(); }
        }

        private float _min;
        public float HardnessMin
        {
            get => _min;
            set { _min = value; OnPropertyChanged(); }
        }

        private float _avg;
        public float HardnessAvg
        {
            get => _avg;
            set { _avg = value; OnPropertyChanged(); }
        }

        // 状态显示
        private int _completedCount;
        public int HardnessCompletedCount
        {
            get => _completedCount;
            set { _completedCount = value; OnPropertyChanged(); }
        }

        private float _currentValue;
        public float HardnessCurrentValue
        {
            get => _currentValue;
            set { _currentValue = value; OnPropertyChanged(); }
        }

        // 内部存储测试结果
        private readonly List<float> _results = new List<float>();

        // 添加单次结果并更新统计值
        public void AddResult(float value)
        {
            _results.Add(value);
            HardnessCurrentValue = value;
            HardnessCompletedCount = _results.Count;
            UpdateStats();
        }

        // 更新最大/最小/平均值
        private void UpdateStats()
        {
            if (_results.Count == 0)
            {
                HardnessMax = 0;
                HardnessMin = 0;
                HardnessAvg = 0;
                return;
            }
            HardnessMax = _results.Max();
            HardnessMin = _results.Min();
            HardnessAvg = (float)Math.Round(_results.Average(), 1);
        }

        // 重置所有数据
        public void Reset()
        {
            _results.Clear();
            HardnessMax = 0;
            HardnessMin = 0;
            HardnessAvg = 0;
            HardnessCompletedCount = 0;
            HardnessCurrentValue = 0;
        }

        // INotifyPropertyChanged 接口实现
        public event PropertyChangedEventHandler PropertyChanged;
        protected void OnPropertyChanged([CallerMemberName] string name = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
        }
    }
}