using NodeCanvas.Framework;
using ParadoxNotion.Design;
using Unity.Cinemachine;
using UnityEditor;
using UnityEngine;

// Individual bool setting for each ring. Three of these will be used. 
public struct OrbitalFollowValueGroup{
	public string label;
	
	public CameraSettingsToggle changeHeight;
	public float height;
	
	public CameraSettingsToggle changeRadius;
	public float radius;

	public OrbitalFollowValueGroup(string newLabel){
		label = newLabel;
		changeHeight = CameraSettingsToggle.NoChange;
		height = 0f;
		changeRadius = CameraSettingsToggle.NoChange;
		radius = 0f;
	}
}

// Setting for any X and Y based values
public struct CinemachineVectorValueGroup{
	public CameraSettingsToggle changeX;
	public float xValue;
	public CameraSettingsToggle changeY;
	public float yValue;
}

// Enum options for individual camera settings
public enum CameraSettingsToggle{
	NoChange,
	NewValue,
	ResetValue,
}

public struct Vector2CameraValueGroup{
	public string label;
	public Vector2 newValue;
	
	public CameraSettingsToggle changeX;
	public CameraSettingsToggle changeY;
	
	public Vector2CameraValueGroup(string newLabel){
		changeX = CameraSettingsToggle.NoChange;
		changeY = CameraSettingsToggle.NoChange;

		newValue = Vector2.zero;
		label = newLabel;
	}
}

public class Vector2CameraValueGroupDrawer : ObjectDrawer<Vector2CameraValueGroup>  {
	public override Vector2CameraValueGroup OnGUI(GUIContent _content, Vector2CameraValueGroup _instance){
		// Remove label for floats
		EditorGUIUtility.labelWidth = 50;
		
		// Set layout options for the label and the float fields
		GUILayoutOption[] floatOptions = new GUILayoutOption[] {
			GUILayout.Width(300.0f), 
			GUILayout.MinWidth(20.0f), 
			GUILayout.ExpandWidth(true), 
		};

		GUILayoutOption[] labelOptions = new GUILayoutOption[]{
			GUILayout.Width(200.0f),
		};
		
		// Start the Vertical layout then add the label before adding a horizontal so the label will be on top of side-by-side options
		GUILayout.BeginVertical();
		GUILayout.Label(_instance.ToString(), labelOptions);
		GUILayout.BeginHorizontal();
		
		// Create the x settings enum
		_instance.changeX = (CameraSettingsToggle)EditorGUILayout.EnumPopup("", instance.changeX);
		
		// Create the value/disabled information field
		if (_instance.changeX == CameraSettingsToggle.NewValue){
			_instance.newValue.x = EditorGUILayout.FloatField(_instance.newValue.x, floatOptions);
		} else {
			EditorGUI.BeginDisabledGroup(true);
			EditorGUILayout.TextField(_instance.changeX == CameraSettingsToggle.NoChange ? "Unchanged" : "Reset", floatOptions);
			EditorGUI.EndDisabledGroup();
		}
		  
		// It do what it do.
		GUILayout.Space(5);
		
		// Create the y settings enum
		_instance.changeY = (CameraSettingsToggle)EditorGUILayout.EnumPopup("", _instance.changeY);
		
		// Create the value/disabled information field
		if (_instance.changeY == CameraSettingsToggle.NewValue){
			_instance.newValue.y = EditorGUILayout.FloatField(_instance.newValue.y, floatOptions);
		} else {
			EditorGUI.BeginDisabledGroup(true);
			EditorGUILayout.TextField(_instance.changeY == CameraSettingsToggle.NoChange ? "Unchanged" : "Reset", floatOptions);
			EditorGUI.EndDisabledGroup();
		}
		
		// Close this line up
		GUILayout.EndHorizontal();
		GUILayout.EndVertical();
		
		// Reset to default so the rest of things don't get messed up
		EditorGUIUtility.labelWidth = 0;
		return _instance;
	}
}

// Custom editor for each orbital follow ring setting
public class OrbitalFollowValueGroupDrawer : ObjectDrawer<OrbitalFollowValueGroup>{
	public override OrbitalFollowValueGroup OnGUI(GUIContent _content, OrbitalFollowValueGroup _instance){
		// Remove label for floats
		EditorGUIUtility.labelWidth = 1;
		
		// Set layout options for the label and the float fields
		GUILayoutOption[] floatOptions = new GUILayoutOption[] {
			GUILayout.Width(300.0f), 
			GUILayout.MinWidth(20.0f), 
			GUILayout.ExpandWidth(true), 
		};

		GUILayoutOption[] labelOptions = new GUILayoutOption[]{
			GUILayout.Width(60.0f),
		};
		
		// Start a Horiztonal Section
		GUILayout.BeginHorizontal();
		
		// Add the left side label
		GUILayout.Label(_instance.label, labelOptions);
		
		// Create the height settings enum
		_instance.changeHeight = (CameraSettingsToggle)EditorGUILayout.EnumPopup("", _instance.changeHeight);
		
		// Create the value/disabled information field
		if (_instance.changeHeight == CameraSettingsToggle.NewValue){
			_instance.height = EditorGUILayout.FloatField(_instance.height, floatOptions);
		} else {
			EditorGUI.BeginDisabledGroup(true);
			EditorGUILayout.TextField(_instance.changeHeight == CameraSettingsToggle.NoChange ? "Unchanged" : "Reset", floatOptions);
			EditorGUI.EndDisabledGroup();
		}
		  
		// It do what it do.
		GUILayout.Space(5);
		
		// Create the radius settings enum
		_instance.changeRadius = (CameraSettingsToggle)EditorGUILayout.EnumPopup("", _instance.changeRadius);
		
		// Create the value/disabled information field
		if (_instance.changeRadius == CameraSettingsToggle.NewValue){
			_instance.radius = EditorGUILayout.FloatField(_instance.radius, floatOptions);
		} else {
			EditorGUI.BeginDisabledGroup(true);
			EditorGUILayout.TextField(_instance.changeRadius == CameraSettingsToggle.NoChange ? "Unchanged" : "Reset", floatOptions);
			EditorGUI.EndDisabledGroup();
		}
		
		// Close this line up
		GUILayout.EndHorizontal();
		
		// Reset to default so the rest of things don't get messed up
		EditorGUIUtility.labelWidth = 0;
		return _instance;
	}
}

namespace NodeCanvas.Tasks.Actions {
	[Category("Reset")]
	[Description("Change Cinemachine camera settings for the player")]
	public class ChangeCameraSettings : ActionTask{
		[ParadoxNotion.Design.Header("Orbit Follow Ring Settings")]
		public OrbitalFollowValueGroup orbitFollowTop = new OrbitalFollowValueGroup(newLabel: "Top");
		public OrbitalFollowValueGroup orbitFollowCenter = new OrbitalFollowValueGroup(newLabel: "Center");
		public OrbitalFollowValueGroup orbitFollowBottom = new OrbitalFollowValueGroup(newLabel: "Bottom");
		
		[ParadoxNotion.Design.Header("Rotation Composer Settings")]
		public Vector2CameraValueGroup screenPosition = new Vector2CameraValueGroup(newLabel: "Screen Position");
		
		private CinemachineOrbitalFollow orbitalFollow;

		//Use for initialization. This is called only once in the lifetime of the task.
		//Return null if init was successfull. Return an error string otherwise
		protected override string OnInit(){
			return null;
		}

		//This is called once each time the task is enabled.
		//Call EndAction() to mark the action as finished, either in success or failure.
		//EndAction can be called from anywhere.
		protected override void OnExecute(){
			// Switch case farm for checking if values should be changed and what to
			switch (orbitFollowTop.changeHeight) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowTopHeight.targetValue = orbitFollowTop.height;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowTopHeight.Reset();
					break;
			}
			
			switch (orbitFollowTop.changeRadius) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowTopRadius.targetValue = orbitFollowTop.radius;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowTopRadius.Reset();
					break;
			}
			
			switch (orbitFollowCenter.changeHeight) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowCenterHeight.targetValue = orbitFollowCenter.height;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowCenterHeight.Reset();
					break;
			}
			
			switch (orbitFollowCenter.changeRadius) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowCenterRadius.targetValue = orbitFollowCenter.radius;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowCenterRadius.Reset();
					break;
			}
			
			switch (orbitFollowBottom.changeHeight) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowBottomHeight.targetValue = orbitFollowBottom.height;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowBottomHeight.Reset();
					break;
			}
			
			switch (orbitFollowBottom.changeRadius) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.orbitFollowBottomRadius.targetValue = orbitFollowBottom.radius;
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.orbitFollowBottomRadius.Reset();
					break;
			}

			switch (screenPosition.changeX) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.rotationComposerScreenPos.targetValue = new Vector2(
						screenPosition.newValue.x,
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.y);
						break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.rotationComposerScreenPos.targetValue = new Vector2(
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.x, 
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.y);
					break;
			}
			
			switch (screenPosition.changeY) {
				case CameraSettingsToggle.NewValue:
					CameraSettingsProcessor.values.rotationComposerScreenPos.targetValue = new Vector2(
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.x, 
						screenPosition.newValue.y);
					break;
				case CameraSettingsToggle.ResetValue:
					CameraSettingsProcessor.values.rotationComposerScreenPos.targetValue = new Vector2(
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.x,
						CameraSettingsProcessor.values.rotationComposerScreenPos.originalValue.y);
					break;
			}
			
			EndAction(true);
		}

		//Called once per frame while the action is active.
		protected override void OnUpdate() {
			
		}

		//Called when the task is disabled.
		protected override void OnStop() {
			
		}

		//Called when the task is paused.
		protected override void OnPause() {
			
		}
	}
}