using UnityEngine;
using System.Collections;

#if UNITY_EDITOR
using UnityEditor;

[CustomEditor (typeof(screenObjectivesSystem))]
public class screenObjectivesSystemEditor : Editor
{
	SerializedProperty showObjectivesActive;
	SerializedProperty objectiveIconList;
	SerializedProperty objectiveList;

	SerializedProperty mainMapCreatorManagerName;

	bool expanded;

	GUIStyle buttonStyle = new GUIStyle ();

	void OnEnable ()
	{
		showObjectivesActive = serializedObject.FindProperty ("showObjectivesActive");
		objectiveIconList = serializedObject.FindProperty ("objectiveIconList");
		objectiveList = serializedObject.FindProperty ("objectiveList");

		mainMapCreatorManagerName = serializedObject.FindProperty ("mainMapCreatorManagerName");
	}

	public override void OnInspectorGUI ()
	{
		GUILayout.BeginVertical (GUILayout.Height (30));

		EditorGUILayout.Space ();

		buttonStyle = new GUIStyle (GUI.skin.button);

		buttonStyle.fontStyle = FontStyle.Bold;
		buttonStyle.fontSize = 12;

		GUILayout.BeginVertical ("Main Settings", "window");
		EditorGUILayout.PropertyField (showObjectivesActive);
		GUILayout.EndVertical ();

		EditorGUILayout.Space ();

		GUILayout.BeginVertical ("Objective Icon List", "window");
		showObjectiveIconList (objectiveIconList);
		GUILayout.EndVertical ();

		EditorGUILayout.Space ();

		GUILayout.BeginVertical ("Objective List (DEBUG)", "window");
		showObjectiveList (objectiveList);
		GUILayout.EndVertical ();

		EditorGUILayout.Space ();

		GUILayout.BeginVertical ("Other Settings", "window");
		EditorGUILayout.PropertyField (mainMapCreatorManagerName);
		GUILayout.EndVertical ();

		EditorGUILayout.Space ();

		GUILayout.EndVertical ();
		if (GUI.changed) {
			serializedObject.ApplyModifiedProperties ();
		}
	}

	void showObjectiveIconInfo (SerializedProperty list)
	{
		GUILayout.BeginVertical ("box");
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("name"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("iconInfoElement"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("changeObjectiveColors"));
		if (list.FindPropertyRelative ("changeObjectiveColors").boolValue) {
			EditorGUILayout.PropertyField (list.FindPropertyRelative ("objectiveColor"));
		}
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("minDefaultDistance"));
		GUILayout.EndVertical ();
	}

	void showObjectiveIconList (SerializedProperty list)
	{
		GUILayout.BeginVertical ();

		EditorGUILayout.Space ();

		if (GUILayout.Button ("Show/Hide Objective Icon List", buttonStyle)) {
			list.isExpanded = !list.isExpanded;
		}

		EditorGUILayout.Space ();

		if (list.isExpanded) {
			
			EditorGUILayout.Space ();

			GUI.color = Color.cyan;
			EditorGUILayout.HelpBox ("Configure the icons used in every screen objective type", MessageType.None);
			GUI.color = Color.white;

			EditorGUILayout.Space ();

			GUILayout.Label ("Number Of Icons: \t" + list.arraySize);

			EditorGUILayout.Space ();

			GUILayout.BeginHorizontal ();
			if (GUILayout.Button ("Add Icon")) {
				list.arraySize++;
			}
			if (GUILayout.Button ("Clear List")) {
				list.arraySize = 0;
			}
			GUILayout.EndHorizontal ();

			EditorGUILayout.Space ();

			GUILayout.BeginHorizontal ();
			if (GUILayout.Button ("Expand All")) {
				for (int i = 0; i < list.arraySize; i++) {
					list.GetArrayElementAtIndex (i).isExpanded = true;
				}
			}
			if (GUILayout.Button ("Collapse All")) {
				for (int i = 0; i < list.arraySize; i++) {
					list.GetArrayElementAtIndex (i).isExpanded = false;
				}
			}
			GUILayout.EndHorizontal ();

			EditorGUILayout.Space ();

			for (int i = 0; i < list.arraySize; i++) {
				expanded = false;
				GUILayout.BeginHorizontal ();
				GUILayout.BeginHorizontal ("box");

				EditorGUILayout.Space ();

				if (i < list.arraySize && i >= 0) {
					EditorGUILayout.BeginVertical ();
					EditorGUILayout.PropertyField (list.GetArrayElementAtIndex (i), false);
					if (list.GetArrayElementAtIndex (i).isExpanded) {
						expanded = true;
						showObjectiveIconInfo (list.GetArrayElementAtIndex (i));
					}

					EditorGUILayout.Space ();

					GUILayout.EndVertical ();
				}
				GUILayout.EndHorizontal ();

				if (expanded) {
					GUILayout.BeginVertical ();
				} else {
					GUILayout.BeginHorizontal ();
				}
				if (GUILayout.Button ("x")) {
					list.DeleteArrayElementAtIndex (i);
				}
				if (GUILayout.Button ("v")) {
					if (i >= 0) {
						list.MoveArrayElement (i, i + 1);
					}
				}
				if (GUILayout.Button ("^")) {
					if (i < list.arraySize) {
						list.MoveArrayElement (i, i - 1);
					}
				}
				if (expanded) {
					GUILayout.EndVertical ();
				} else {
					GUILayout.EndHorizontal ();
				}
				GUILayout.EndHorizontal ();
			}
		}
		GUILayout.EndVertical ();
	}

	void showObjectiveListElement (SerializedProperty list)
	{
		GUILayout.BeginVertical ("box");
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("Name"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("mapObject"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("iconTransform"));

		EditorGUILayout.PropertyField (list.FindPropertyRelative ("onScreenIcon"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("offScreenIcon"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("iconText"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("ID"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("useCloseDistance"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("closeDistance"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("showOffScreenIcon"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("showDistance"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("iconOffset"));
		EditorGUILayout.PropertyField (list.FindPropertyRelative ("showIconPaused"));

		GUILayout.EndVertical ();
	}

	void showObjectiveList (SerializedProperty list)
	{
		GUILayout.BeginVertical ();

		EditorGUILayout.Space ();

		if (GUILayout.Button ("Show/Hide Objective List", buttonStyle)) {
			list.isExpanded = !list.isExpanded;
		}

		EditorGUILayout.Space ();

		if (list.isExpanded) {

			EditorGUILayout.Space ();

			GUILayout.Label ("Number Of Objectives: \t" + list.arraySize);

			EditorGUILayout.Space ();

			GUILayout.BeginHorizontal ();
			if (GUILayout.Button ("Expand All")) {
				for (int i = 0; i < list.arraySize; i++) {
					list.GetArrayElementAtIndex (i).isExpanded = true;
				}
			}
			if (GUILayout.Button ("Collapse All")) {
				for (int i = 0; i < list.arraySize; i++) {
					list.GetArrayElementAtIndex (i).isExpanded = false;
				}
			}
			GUILayout.EndHorizontal ();

			EditorGUILayout.Space ();

			for (int i = 0; i < list.arraySize; i++) {
				GUILayout.BeginHorizontal ();
				GUILayout.BeginHorizontal ("box");

				EditorGUILayout.Space ();

				if (i < list.arraySize && i >= 0) {
					EditorGUILayout.BeginVertical ();
					EditorGUILayout.PropertyField (list.GetArrayElementAtIndex (i), 
						new GUIContent (list.GetArrayElementAtIndex (i).displayName + " - " + list.GetArrayElementAtIndex (i).FindPropertyRelative ("ID").intValue));
					if (list.GetArrayElementAtIndex (i).isExpanded) {
						expanded = true;
						showObjectiveListElement (list.GetArrayElementAtIndex (i));
					}

					EditorGUILayout.Space ();

					GUILayout.EndVertical ();
				}
				GUILayout.EndHorizontal ();
				GUILayout.EndHorizontal ();
			}
		}
		GUILayout.EndVertical ();
	}
}
#endif