using Godot;
using System;

public partial class Ghost : StaticBody2D
{
	//I just tweaked the player code, cause it works.
	
	private Area2D probe; // probe to find the tile in the in the direction of the ghost's movement
	private AnimatedSprite2D sprite; // animated sprite of ghost
	private AudioStreamPlayer GhostMove;//some audio tracks
	private AudioStreamPlayer GhostCage;
	private Vector2 spriteMovement; // 2d vector dictating sprite's independant movement
	private bool canMove = true; // if next step can be taken
	private bool blocked; // if the player should noy move
	private int pause; //timer for when processing needs to occur
	private int idle = 99; // timer for idling based actions (animations mostly) starts high enough to skip certain animations on startup
	public bool activated; //if activated by player
	public bool facing; //if player is facing
	public bool moving; //probably redundant but it works
	public float storedSpin; //what the actual rotation of the object is used mostly for the sprite
	
	private void _on_probe_body_entered(Node2D body)
	{
		if (body.IsInGroup("Wall")) // if probe detects walls
		{
			blocked = true; // stops from moving
			canMove = false;
			activated = false; //stops the constant movement from reoccuring until the player reactivates it
		}
		if (body.IsInGroup("Obsticals") && !body.IsInGroup("Cage") && !body.IsInGroup("Lazer")) // if probe detects an obstical that isn't a cage or lazer
		{
			blocked = true; //stops from moving
			canMove = false;
			activated = false; //stops the constant movement from reoccuring until the player reactivates it
		}
		if (body == GetNode<StaticBody2D>("/root/OutofBody/Chloek")) // if probe detects the player somehow
		{
			blocked = true; //stops from moving
			canMove = false;
			activated = false; //stops the constant movement from reoccuring until the player reactivates it
		}
	}
	
	private void _on_probe_body_exited(Node2D body)
	{
		if (body.IsInGroup("Wall")) //if probe detects walls
		{
			blocked = false; // allow moving
		}
		if (body.IsInGroup("Obsticals") && !body.IsInGroup("Lazer")) //if probe detects a non-lazer obstical
		{
			blocked = false; // allow moving
		}
		if (body == GetNode<StaticBody2D>("/root/OutofBody/Chloek")) //if probe detects player
		{
			blocked = false; // allow moving
		}
	}
	
	private void _on_ghost_area_area_entered(Area2D area)
	{
		if (area == GetNode<Area2D>("/root/OutofBody/Chloek/Probe"))
		{
			facing = true; //the player is facing the ghost
		}
	}
	
	private void _on_ghost_area_area_exited(Area2D area)
	{
		if (area == GetNode<Area2D>("/root/OutofBody/Chloek/Probe"))
		{
			facing = false; //the player is no longer facing the ghost
		}
	}
	
	
	public override void _Ready() // on startup
	{
		// setting starting coditions for variables
		probe = GetNode<Area2D>("Probe");
		sprite = GetNode<AnimatedSprite2D>("GhostSprite");
		GhostMove = GetNode<AudioStreamPlayer>("GhostMove");
		GhostCage = GetNode<AudioStreamPlayer>("GhostCage");
		spriteMovement = Position;
	}
	
	public override void _PhysicsProcess(double delta) // updates multipul times a frame so movment happens propperly
	{
		//finished tasks become functions
		if (pause == 0)
		{
			move();
		}
		else {pause--;}
		
		animations();
	}
	
	public void animations()
	{
		idle++;
		if (sprite.GlobalPosition != Position) //if intending to move
		{
			if (idle > 0)
			{
				idle = 0;
			}
		}
		//all time based animations here
		switch (idle) 
		{
			case 0: sprite.Play("Moving"); break;
			case 1: sprite.Play("Stopping"); break;
			case 60: sprite.Play("Pre-Idle");  break;
			case 100: sprite.Play("Idle"); break;
		}
		
		if (idle >= 60)
		{
			sprite.Rotation = 0;
		}
		else if (idle == 0)
		{
			sprite.Rotation = storedSpin;
		}
		
		spriteMovement = spriteMovement.MoveToward(Position, 10f); // sprite moves towards ghost's position 
		sprite.GlobalPosition = spriteMovement; //seems redundant
	}
	
	public void move()
	{
		if (canMove == true && blocked == false && facing == true || moving == true && blocked == false && canMove == true) //if ghost can move
		{
			GhostMove.Play();
			spriteMovement = Position; //sprite snaps to previous position
			Position = probe.GlobalPosition; //ghost position changes to probe's position
			moving = true; //allows constant movement
		}
		else
		{
			//disables constant movement
			canMove = false;
			activated = false;
			moving = false;
		}
	}
	public override void _Input(InputEvent @event)
	{
		if (@event.IsActionPressed("Action"))
		{
			//actions are handled by the ghost not the player
			activated = true;
			canMove = true;
		}
		if(activated == false)
		{
			//all rotations are stored as radians not degrees
			if (@event.IsActionPressed("Up"))
			{
				probe.Position = new Vector2(0,-20);
				storedSpin = 4.712f; //sprite flips to face up
				pause = 3;
			}
			else if (@event.IsActionPressed("Down"))
			{
				probe.Position = new Vector2(0,20);
				storedSpin = 1.5708f; //sprite flips to face down
				pause = 3;
			}
			
			else if (@event.IsActionPressed("Left"))
			{
				probe.Position = new Vector2(-20,0);
				storedSpin = 3.1416f; //sprite flips to face left
				pause = 3;
			}
			
			else if (@event.IsActionPressed("Right"))
			{
				probe.Position = new Vector2(20,0);
				storedSpin = 0; //sprite flips to face right
				pause = 3;
			}
		}
	}
}