using System;
using System.Collections.Generic;
using System.Globalization;
using UnityEngine;

namespace HutongGames.PlayMaker.Actions
{
    [ActionCategory(OnlineMapsCategories.DRAWING)]
    [Tooltip("Draw txt file")]
    public class DrawTXT : FsmStateAction
    {
        public FsmObject textAsset;

        public FsmColor color = Color.red;

        public FsmBool closed = false;

        public FsmFloat width = 1;

        [Tooltip("Follow Relief.")]
        public FsmBool followRelief = false;

        public FsmInt lineSeparatorCharCode = 13;

        public FsmString partSeparator = ";";

        [UIHint(UIHint.Variable)]
        public FsmObject storeDrawingElement;

        public override void Reset()
        {
            textAsset = null;
            storeDrawingElement = null;
            color = Color.red;
            closed = false;
            followRelief = false;
            width = 1;
        }

        public override void OnEnter()
        {
            DoEnter();
            Finish();
        }

        private void DoEnter()
        {
            TextAsset asset = textAsset.Value as TextAsset;
            string[] lines = asset.text.Split(new[] { (char)lineSeparatorCharCode.Value }, StringSplitOptions.RemoveEmptyEntries);

            List<double> points = new List<double>();

            foreach (string line in lines)
            {
                if (string.IsNullOrEmpty(line)) continue;
                string[] parts = line.Split(new[] { partSeparator.Value }, StringSplitOptions.RemoveEmptyEntries);
                if (parts.Length != 2) continue;
                points.Add(double.Parse(parts[1].Trim(' ', '\t'), CultureInfo.InvariantCulture));
                points.Add(double.Parse(parts[0].Trim(' ', '\t'), CultureInfo.InvariantCulture));
            }

            OnlineMapsDrawingElement el = null;
            if (closed.Value) el = new OnlineMapsDrawingPoly(points, color.Value, width.Value);
            else
            {
                el = new OnlineMapsDrawingLine(points, color.Value, width.Value);
                if (!followRelief.IsNone) (el as OnlineMapsDrawingLine).followRelief = followRelief.Value;
            }
            OnlineMapsDrawingElementManager.AddItem(el);

            if (!storeDrawingElement.IsNone) storeDrawingElement.Value = new DrawingElementWrapper(el);
        }
    }
}