using AddInPlugin.Util;
using OpenTap;
using System;
using System.Linq;

namespace AddInPlugin
{
    [AllowAnyChild]
    [Display(Name: "While", Group: "流程控制", Description: "While循环", Order: 0)]
    public class WhileStep : ConditionBase, CanBreakBase, CanContinueBase
    {
        public bool? IsBreaked { get; set; }
        public bool? IsContinued { get; set; }

        public WhileStep() : base()
        {

        }

        public override void PrePlanRun()
        {
        }

        public void RunCustom()
        {
            IsContinued = null;
            var steps = EnabledChildSteps.ToArray();
            foreach (var _step in steps)
            {
                var step = _step;
                try
                {
                    if (IsBreaked == true || IsContinued == true)
                    {
                        break;
                    }
                    try
                    {
                        PlanRun.MainThread.AbortToken.ThrowIfCancellationRequested();
                    }
                    catch (Exception ex)
                    {
                        break;
                    }
                    var run = RunChildStep(step);
                }
                finally
                {

                }
            }
        }

        public TapThread GetTop()
        {
            var current = TapThread.Current;
            while (current?.Parent != null)
            {
                current = current.Parent;
            }
            return current;
        }

        public override void Run()
        {
            try
            {
                ConditionResult = PlanRun.Resolve<bool>(this, Condition);
                while (ConditionResult == true && IsBreaked != true)
                {
                    try
                    {
                        PlanRun.MainThread.AbortToken.ThrowIfCancellationRequested();
                    }
                    catch (Exception ex)
                    {
                        break;
                    }

                    RunCustom();
                    ConditionResult = PlanRun.Resolve<bool>(this, Condition);
                }
                UpgradeVerdict(Verdict.NotSet);
            }
            catch (Exception ex)
            {
                Log.Error("While Run Error. {0}", ex);
                ConditionResult = null;
                UpgradeVerdict(Verdict.Error);
            }
        }

        public override void PostPlanRun()
        {
        }
    }
}