using UnityEngine;
using UnityEditor;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;

namespace WPM {
	[CustomEditor (typeof(WorldMapTicker))]
	public class WorldMapTickerInspector : Editor {

		int tickerLine;
		WorldMapTicker _ticker;
		string[] tickerNames;
		TickerText sampleTicker;
		string duration;
		bool pendingChanges = false;

		TickerBand[] tickers { get { return _ticker.tickerBands; } }

		void OnEnable () {
			_ticker = (WorldMapTicker)target;
			if (tickers == null || tickers.Length == 0)
				_ticker.Init ();
			tickerNames = new string[tickers.Length];
			for (int k = 0; k < tickerNames.Length; k++)
				tickerNames [k] = k.ToString ();
			tickerLine = Mathf.Clamp (tickerLine, 0, tickerNames.Length - 1);
			// instance a sample ticker text for the inspector
			sampleTicker = new TickerText ();
		}

		public override void OnInspectorGUI () {
			if (_ticker == null)
				return;
			if (tickerNames.Length < tickers.Length)
				return;

			bool refresh = false;

			EditorGUILayout.Separator ();

			if (_ticker.map.labelsQuality == LABELS_QUALITY.NotUsed) {
				EditorGUILayout.HelpBox ("Tickers not visible. Check 'Overlay Resolution' setting in Globe Inspector.", MessageType.Warning);
			}

			EditorGUILayout.BeginVertical ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("Ticker Band", GUILayout.Width (120));
			tickerLine = EditorGUILayout.Popup (tickerLine, tickerNames, GUILayout.Width (80));
			if (GUILayout.Button ("Reset Ticker", GUILayout.MaxWidth (120))) {
				_ticker.ResetTickerBand (tickerLine);
				refresh = true;
			}
			if (GUILayout.Button ("Reset All", GUILayout.MaxWidth (120))) {
				_ticker.ResetTickerBands ();
				refresh = true;
			}

			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Visible", GUILayout.Width (120));
			bool oldb = tickers [tickerLine].visible;
			tickers [tickerLine].visible = EditorGUILayout.Toggle (tickers [tickerLine].visible, GUILayout.Width (20));
			if (oldb != tickers [tickerLine].visible)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Scroll Speed", GUILayout.Width (120));
			tickers [tickerLine].scrollSpeed = EditorGUILayout.Slider (tickers [tickerLine].scrollSpeed, -0.5f, 0.5f);

			if (GUILayout.Button ("Static")) {
				tickers [tickerLine].scrollSpeed = 0;
			}


			EditorGUILayout.EndHorizontal ();


			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Vertical Offset", GUILayout.Width (120));
			float oldf = tickers [tickerLine].verticalOffset;
			tickers [tickerLine].verticalOffset = EditorGUILayout.Slider (tickers [tickerLine].verticalOffset, -0.5f, 0.5f);
			if (oldf != tickers [tickerLine].verticalOffset)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Size", GUILayout.Width (120));
			oldf = tickers [tickerLine].verticalSize;
			tickers [tickerLine].verticalSize = EditorGUILayout.Slider (tickers [tickerLine].verticalSize, 0.01f, 1.0f);
			if (oldf != tickers [tickerLine].verticalSize)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUIContent autoHideContent = new GUIContent ("   Auto Hide", "Ticker will automatically hide if it's empty");
			oldb = tickers [tickerLine].autoHide;
			GUILayout.Label (autoHideContent, GUILayout.Width (120));
			tickers [tickerLine].autoHide = EditorGUILayout.Toggle (tickers [tickerLine].autoHide, GUILayout.Width (20));
			if (oldb != tickers [tickerLine].autoHide)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Background Color", GUILayout.Width (120));
			Color oldc = tickers [tickerLine].backgroundColor;
			tickers [tickerLine].backgroundColor = EditorGUILayout.ColorField (tickers [tickerLine].backgroundColor);
			if (oldc != tickers [tickerLine].backgroundColor)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Fade Speed", GUILayout.Width (120));
			oldf = tickers [tickerLine].fadeSpeed;
			tickers [tickerLine].fadeSpeed = EditorGUILayout.Slider (tickers [tickerLine].fadeSpeed, 0, 5.0f);
			if (oldf != tickers [tickerLine].fadeSpeed)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.EndVertical (); 
			EditorGUILayout.Separator ();

			EditorGUILayout.BeginVertical ();

			// allows the user to create a sample ticker and add it to the map
			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("Add Sample Text", GUILayout.Width (120));
			EditorStyles.textField.wordWrap = true;
			sampleTicker.text = EditorGUILayout.TextArea (sampleTicker.text, GUILayout.Height (60));
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Ticker Line", GUILayout.Width (120));
			sampleTicker.tickerLine = EditorGUILayout.Popup (sampleTicker.tickerLine, tickerNames, GUILayout.Width (80));
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Horizontal Offset", GUILayout.Width (120));
			oldf = sampleTicker.horizontalOffset;
			sampleTicker.horizontalOffset = EditorGUILayout.Slider (sampleTicker.horizontalOffset, -0.5f, 0.5f);
			if (oldf != sampleTicker.horizontalOffset)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Center On Start", GUILayout.Width (120));
			sampleTicker.horizontalOffsetAutomatic = EditorGUILayout.Toggle (sampleTicker.horizontalOffsetAutomatic, GUILayout.Width (20));
			EditorGUILayout.EndHorizontal ();

			bool oldStay = sampleTicker.stayOnCenter;
			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Stay On Center", GUILayout.Width (120));
			sampleTicker.stayOnCenter = EditorGUILayout.Toggle (sampleTicker.stayOnCenter, GUILayout.Width (20));
			if (oldStay != sampleTicker.stayOnCenter)
				refresh = true;
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Text Color", GUILayout.Width (120));
			sampleTicker.textColor = EditorGUILayout.ColorField (sampleTicker.textColor);
			EditorGUILayout.EndHorizontal ();
			
			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Text Anchor", GUILayout.Width (120));
			sampleTicker.textAnchor = (TextAnchor)EditorGUILayout.EnumPopup (sampleTicker.textAnchor);
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Draw Shadow", GUILayout.Width (120));
			sampleTicker.drawTextShadow = EditorGUILayout.Toggle (sampleTicker.drawTextShadow);
			if (sampleTicker.drawTextShadow) {
				GUILayout.Label ("Shadow Color", GUILayout.Width (120));
				sampleTicker.shadowColor = EditorGUILayout.ColorField (sampleTicker.shadowColor);
			}
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Fade Duration", GUILayout.Width (120));
			sampleTicker.fadeDuration = EditorGUILayout.Slider (sampleTicker.fadeDuration, 0, 10.0f);
			EditorGUILayout.EndHorizontal ();

			if (tickers [tickerLine].scrollSpeed == 0) {
				EditorGUILayout.BeginHorizontal ();
				GUILayout.Label ("   Duration", GUILayout.Width (120));
				duration = sampleTicker.duration.ToString ();
				duration = EditorGUILayout.TextField (duration, GUILayout.Width (80));
				sampleTicker.duration = ToFloat (duration);
				EditorGUILayout.EndHorizontal ();
			}

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Blink Interval", GUILayout.Width (120));
			sampleTicker.blinkInterval = EditorGUILayout.Slider (sampleTicker.blinkInterval, 0, 5.0f);
			EditorGUILayout.EndHorizontal ();

			EditorGUILayout.BeginHorizontal ();
			GUILayout.Label ("   Blink Repetitions", GUILayout.Width (120));
			sampleTicker.blinkRepetitions = EditorGUILayout.IntSlider (sampleTicker.blinkRepetitions, 0, 50);
			EditorGUILayout.EndHorizontal ();

			if (GUILayout.Button ("Launch Test Ticker") && Application.isPlaying) {
				_ticker.AddTickerText (sampleTicker);
				if (sampleTicker.duration == 0) {
					sampleTicker = (TickerText)sampleTicker.Clone (); // maintain properties but allow to create a new/different ticker without affecting previous one
				}
			}
			if (!Application.isPlaying) {
				DrawWarningLabel ("Not available in Edit mode");
			}
			EditorGUILayout.EndVertical (); 
			EditorGUILayout.Separator ();

			if (!Application.isPlaying && (refresh || pendingChanges)) {
				pendingChanges = _ticker.UpdateTickerBands ();
				if (pendingChanges)
					EditorUtility.SetDirty (target);
			}
		}

		void DrawWarningLabel (string s) {
			GUIStyle warningLabelStyle = new GUIStyle (GUI.skin.label);
			warningLabelStyle.normal.textColor = new Color (0.31f, 0.38f, 0.56f);
			GUILayout.Label (s, warningLabelStyle);
		}

	

	

		float ToFloat (string s) {
			float f = 0;
			float.TryParse (s, out f);
			return f;
		}



	}

}