using Prism.Mvvm;
using System;
using System.Collections.ObjectModel;

namespace SKMC.Api.Recipe.Model
{
    /// <summary>
    /// 电机点位配置模型
    /// 每个点位由1个或多个单轴位置RecipePointPosition组成
    /// </summary>
    public class RecipePoint : BindableBase, ICloneable
    {
        private string _code;

        /// <summary>
        /// 点位码
        /// </summary>
        public string Code
        {
            get { return _code; }
            set { _code = value; RaisePropertyChanged(); }
        }

        private string _name;

        /// <summary>
        /// 点位名称
        /// </summary>
        public string Name
        {
            get { return _name; }
            set { _name = value; RaisePropertyChanged(); }
        }

        public string SerialName { get => $"[{Code}]: {Name}"; }

        private string speedCode;

        public string SpeedCode
        {
            get { return speedCode; }
            set { speedCode = value; RaisePropertyChanged(); }
        }

        private double[] fixset;

        /// <summary>
        /// 该点位的单轴位置的偏移量数组, 序号与RecipePointPositions的序号一致
        /// </summary>
        public double[] Fixset
        {
            get { return fixset; }
            set
            {
                fixset = value;
                for (int i = 0; i < fixset.Length; i++)
                {
                    if (RecipePointPositions != null && RecipePointPositions[i] != null)
                    {
                        RecipePointPositions[i].FixsetVal = fixset[i];
                    }
                }
            }
        }

        /// <summary>
        /// 清除偏移量
        /// </summary>
        public void ClearFixset()
        {
            if (fixset != null)
            {
                for (int i = 0; i < fixset.Length; i++)
                {
                    fixset[i] = 0;
                }
            }
            if (RecipePointPositions != null)
            {
                foreach (RecipePointPosition pointPosition in RecipePointPositions)
                {
                    pointPosition.FixsetVal = 0;
                }
            }
        }

        /// <summary>
        /// 点位移动的安全条件 (可以用Lambda写法更方便的获取更多点位信息, 例如位置值)
        /// </summary>
        public Func<RecipePoint, bool> SafeChecker { get; set; }

        /// <summary>
        /// 点位单轴位置集合
        /// </summary>
        public ObservableCollection<RecipePointPosition> RecipePointPositions { get; set; } = new ObservableCollection<RecipePointPosition>();

        /// <summary>
        /// 获取点位的轴位置值
        /// </summary>
        /// <param name="index">绑定多轴时的获取的轴序号, 例如按顺序绑定了xy轴, x轴的序号为0、y轴的序号为1</param>
        /// <returns></returns>
        public double PositionVal(int index = 0)
        {
            if (index < 0 || index > RecipePointPositions.Count - 1) return 0;
            return RecipePointPositions[index].Position;
        }

        public object Clone()
        {
            var model = new RecipePoint
            {
                Code = this.Code,
                Name = this.Name,
            };
            model.RecipePointPositions = new ObservableCollection<RecipePointPosition>();
            foreach (var item in RecipePointPositions)
            {
                model.RecipePointPositions.Add((RecipePointPosition) item.Clone());
            }
            return model;
        }
    }
}