//----------------------------------------------
//            NGUI: Next-Gen UI kit
// Copyright © 2011-2015 Tasharen Entertainment
//----------------------------------------------

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

[CanEditMultipleObjects]
[CustomEditor(typeof(UILocalize), true)]
public class UILocalizeEditor : Editor
{
	List<string> mKeys;

	void OnEnable ()
	{
		Dictionary<string, string[]> dict = Localization.dictionary;

		if (dict.Count > 0)
		{
			mKeys = new List<string>();

			foreach (KeyValuePair<string, string[]> pair in dict)
			{
				if (pair.Key == "KEY") continue;
				mKeys.Add(pair.Key);
			}
			mKeys.Sort(delegate (string left, string right) { return left.CompareTo(right); });
		}
	}

	public override void OnInspectorGUI ()
	{
		serializedObject.Update();
		
		GUILayout.Space(6f);
		NGUIEditorTools.SetLabelWidth(80f);

		GUILayout.BeginHorizontal();
		// Key not found in the localization file -- draw it as a text field
		SerializedProperty sp = NGUIEditorTools.DrawProperty("Key", serializedObject, "key");

		string myKey = sp.stringValue;
		bool isPresent = (mKeys != null) && mKeys.Contains(myKey);
		GUI.color = isPresent ? Color.green : Color.red;
		GUILayout.BeginVertical(GUILayout.Width(22f));
		GUILayout.Space(2f);
		GUILayout.Label(isPresent? "\u2714" : "\u2718", "TL SelectionButtonNew", GUILayout.Height(20f));
		GUILayout.EndVertical();
		GUI.color = Color.white;
		GUILayout.EndHorizontal();

		if (isPresent)
		{
			if (NGUIEditorTools.DrawHeader("Preview"))
			{
				NGUIEditorTools.BeginContents();

				string[] keys = Localization.knownLanguages;
				string[] values;

				if (Localization.dictionary.TryGetValue(myKey, out values))
				{
					if (keys.Length != values.Length)
					{
						EditorGUILayout.HelpBox("Number of keys doesn't match the number of values! Did you modify the dictionaries by hand at some point?", MessageType.Error);
					}
					else
					{
						for (int i = 0; i < keys.Length; ++i)
						{
							GUILayout.BeginHorizontal();
							GUILayout.Label(keys[i], GUILayout.Width(66f));

							if (GUILayout.Button(values[i], "AS TextArea", GUILayout.MinWidth(80f), GUILayout.MaxWidth(Screen.width - 110f)))
							{
								(target as UILocalize).value = values[i];
								GUIUtility.hotControl = 0;
								GUIUtility.keyboardControl = 0;
							}
							GUILayout.EndHorizontal();
						}
					}
				}
				else GUILayout.Label("No preview available");

				NGUIEditorTools.EndContents();
			}
		}
		else if (mKeys != null && !string.IsNullOrEmpty(myKey))
		{
			GUILayout.BeginHorizontal();
			GUILayout.Space(80f);
			GUILayout.BeginVertical();
			GUI.backgroundColor = new Color(1f, 1f, 1f, 0.35f);

			int matches = 0;

			for (int i = 0, imax = mKeys.Count; i < imax; ++i)
			{
				if (mKeys[i].StartsWith(myKey, System.StringComparison.OrdinalIgnoreCase) || mKeys[i].Contains(myKey))
				{
					if (GUILayout.Button(mKeys[i] + " \u25B2", "CN CountBadge"))
					{
						sp.stringValue = mKeys[i];
						GUIUtility.hotControl = 0;
						GUIUtility.keyboardControl = 0;
					}
					
					if (++matches == 8)
					{
						GUILayout.Label("...and more");
						break;
					}
				}
			}
			GUI.backgroundColor = Color.white;
			GUILayout.EndVertical();
			GUILayout.Space(22f);
			GUILayout.EndHorizontal();
		}
		
		serializedObject.ApplyModifiedProperties();
	}
}