using System;
using System.Collections.Generic;
using System.Linq;

namespace Demo.Weld
{
    public enum WeldMode
    {
        Spot,
        Seam
    }

    public sealed class WeldRecipe
    {
        private readonly List<WeldStep> _steps = new List<WeldStep>();

        public string Name
        {
            get;
            set;
        }

        public int RetryCount { get; set; } = 3;

        public IReadOnlyList<WeldStep> Steps
        {
            get
            {
                return _steps;
            }
        }

        public WeldRecipe(string name)
        {
            Name = name;
        }

        public void Add(WeldStep step)
        {
            if (step == null)
            {
                throw new ArgumentNullException(nameof(step));
            }
            else if (step.Power <= 0)
            {
                throw new ArgumentOutOfRangeException(nameof(step));
            }
            else
            {
                _steps.Add(step);
            }
        }

        public bool Run(Func<WeldStep, bool> fire)
        {
            for (var attempt = 0; attempt < RetryCount; attempt++)
            {
                try
                {
                    if (_steps.All(fire))
                    {
                        return true;
                    }
                }
                catch (InvalidOperationException ex)
                {
                    Log($"재시도 {attempt + 1}: {ex.Message}");
                }
                finally
                {
                    Cool();
                }
            }

            return false;
        }

        public static WeldRecipe Sample()
        {
            var recipe = new WeldRecipe("기본")
            {
                RetryCount = 2
            };
            var steps = new[]
            {
                new WeldStep { Power = 150, Millis = 40 },
                new WeldStep { Power = 180, Millis = 55 }
            };
            foreach (var step in steps)
            {
                recipe.Add(step);
            }

            var summary = new
            {
                recipe.Name,
                Count = steps.Length
            };
            Log(summary.ToString());

            Action done = () =>
            {
                Log("준비 끝");
            };
            done();
            return recipe;
        }

        private static void Cool()
        {
            switch (DateTime.Now.Second % 2)
            {
                case 0:
                    Log("공랭");
                    break;
                default:
                    Log("수랭");
                    break;
            }
        }

        private static void Log(string text)
        {
        }
    }

    public sealed class WeldStep
    {
        public int Power { get; set; }
        public int Millis { get; set; }
    }
}