using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;

using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Config;

namespace CodeImp.DoomBuilder.BuilderModes.ErrorChecks {

    [ErrorChecker("Check unknown things", true, 50)]
    public class CheckUnknownThings : ErrorChecker {
        private int PROGRESS_STEP = 1000;

        // Constructor
        public CheckUnknownThings()	{
			// Total progress is done when all things are checked
			SetTotalProgress(General.Map.Map.Things.Count / PROGRESS_STEP);
		}

        // This runs the check
        public override void Run() {
            int progress = 0;
            int stepprogress = 0;

            // Go for all things
            foreach (Thing t in General.Map.Map.Things) {
                if (General.Map.Data.GetThingInfoEx(t.Type) == null) 
                    SubmitResult(new ResultUnknownThing(t));

                // Handle thread interruption
                try { Thread.Sleep(0); } catch (ThreadInterruptedException) { return; }

                // We are making progress!
                if ((++progress / PROGRESS_STEP) > stepprogress) {
                    stepprogress = (progress / PROGRESS_STEP);
                    AddProgress(1);
                }
            }
        }
    }
}