//======= Copyright (c) Valve Corporation, All rights reserved. ===============
//
// Purpose: Custom inspector display for SteamVR_Camera
//
//=============================================================================

using UnityEngine;
using UnityEditor;
using System.IO;

[CustomEditor(typeof(SteamVR_Camera)), CanEditMultipleObjects]
public class SteamVR_Editor : Editor
{
	int bannerHeight = 150;
	Texture logo;

	SerializedProperty script, wireframe;

	string GetResourcePath()
	{
		var ms = MonoScript.FromScriptableObject(this);
		var path = AssetDatabase.GetAssetPath(ms);
		path = Path.GetDirectoryName(path);
		return path.Substring(0, path.Length - "Editor".Length) + "Textures/";
	}

	void OnEnable()
	{
		var resourcePath = GetResourcePath();

		logo = AssetDatabase.LoadAssetAtPath<Texture2D>(resourcePath + "logo.png");

		script = serializedObject.FindProperty("m_Script");

		wireframe = serializedObject.FindProperty("wireframe");

		foreach (SteamVR_Camera target in targets)
			target.ForceLast();
	}

	public override void OnInspectorGUI()
	{
		serializedObject.Update();

		var rect = GUILayoutUtility.GetRect(Screen.width - 38, bannerHeight, GUI.skin.box);
		if (logo)
			GUI.DrawTexture(rect, logo, ScaleMode.ScaleToFit);

		if (!Application.isPlaying)
		{
			var expand = false;
			var collapse = false;
			foreach (SteamVR_Camera target in targets)
			{
				if (AssetDatabase.Contains(target))
					continue;
				if (target.isExpanded)
					collapse = true;
				else
					expand = true;
			}

			if (expand)
			{
				GUILayout.BeginHorizontal();
				if (GUILayout.Button("Expand"))
				{
					foreach (SteamVR_Camera target in targets)
					{
						if (AssetDatabase.Contains(target))
							continue;
						if (!target.isExpanded)
						{
							target.Expand();
							EditorUtility.SetDirty(target);
						}
					}
				}
				GUILayout.Space(18);
				GUILayout.EndHorizontal();
			}

			if (collapse)
			{
				GUILayout.BeginHorizontal();
				if (GUILayout.Button("Collapse"))
				{
					foreach (SteamVR_Camera target in targets)
					{
						if (AssetDatabase.Contains(target))
							continue;
						if (target.isExpanded)
						{
							target.Collapse();
							EditorUtility.SetDirty(target);
						}
					}
				}
				GUILayout.Space(18);
				GUILayout.EndHorizontal();
			}
		}

		EditorGUILayout.PropertyField(script);
		EditorGUILayout.PropertyField(wireframe);

		serializedObject.ApplyModifiedProperties();
	}

	public static void ExportPackage()
	{
		AssetDatabase.ExportPackage(new string[] {
			"Assets/SteamVR",
			"Assets/Plugins/openvr_api.cs",
			"Assets/Plugins/openvr_api.bundle",
			"Assets/Plugins/x86/openvr_api.dll",
			"Assets/Plugins/x86/steam_api.dll",
			"Assets/Plugins/x86/libsteam_api.so",
			"Assets/Plugins/x86_64/openvr_api.dll",
			"Assets/Plugins/x86_64/steam_api.dll",
			"Assets/Plugins/x86_64/libsteam_api.so",
			"Assets/Plugins/x86_64/libopenvr_api.so",
		}, "steamvr.unitypackage", ExportPackageOptions.Recurse);
		EditorApplication.Exit(0);
	}
}