using OpenTap;
using OpenTap.Addin.Util;
using System;

namespace AddInPlugin
{
    [Display("ElseIf", Group:"流程控制", Order: 0)]
    [AllowAnyChild]
    public class ElseIfConditionStep : ConditionBase
    {
        public ElseIfConditionStep() : base()
        {
            Rules.Add(() =>
            {
                var previous = this.GetPreviousStep();
                return previous is ConditionBase && previous.Enabled == this.Enabled;
            }, "必须在If/ElseIf之后且同时启用/未启用", Name);
        }

        public override void PrePlanRun()
        {

        }

        protected override void RunDetail()
        {
            try
            {
                var previous = this.GetPreviousStep();
                if (!(previous is ConditionBase cb))
                {
                    throw new Exception("Error Stucture");
                }
                if (cb.ConditionResult == true)
                {
                    /// 条件命中了，ElseIf就不执行，只把自己的条件改为命中
                    this.ConditionResult = true;
                    UpgradeVerdict(Verdict.NotSet);
                    return;
                }

                ConditionResult = (bool)PlanRun.Resolve(this, Condition);

                if (ConditionResult == true)
                {
                    RunChildSteps();
                    UpgradeVerdict(Verdict.Pass);
                }
                else
                {
                    UpgradeVerdict(Verdict.NotSet);
                }
            }
            catch (Exception ex)
            {
                Log.Error("ElseIf Run error. {0}", ex);
                ConditionResult = null;
                UpgradeVerdict(Verdict.Error);
            }
        }

        public override void PostPlanRun()
        {
        }
    }
}