using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using Godot;
using Godot.Bridge;
using Godot.NativeInterop;

[ScriptPath("res://Scripts/Bullets/SoulBullet.cs")]
public partial class SoulBullet : Sprite2D
{
	[Export(PropertyHint.None, "")]
	private Area2D area;

	public Vector2 dir = Vector2.Right;

	private static readonly AudioStream impact = GD.Load<AudioStream>("res://Audio/Sounds/snd_bomb.wav");

	private static readonly AudioStream blocked = GD.Load<AudioStream>("res://Audio/Sounds/snd_bell_ch1.wav");

	public override void _Ready()
	{
		area.AreaEntered += Collide;
	}

	public override void _Process(double delta)
	{
		base.GlobalPosition += dir * Main.deltaTime * 2f;
	}

	private void Collide(Node other)
	{
		if (!(other.GetParent() is IBullet bullet))
		{
			return;
		}
		if (bullet.type == IBullet.Type.Yellow)
		{
			bullet.HP--;
			if (bullet.HP <= 0)
			{
				Coroutine.Start(DestroyBullet(bullet.node), bullet.node);
			}
			else
			{
				bullet.ShotAt();
			}
			if (BattleDR.current.TP < 100 && BattleDR.current.grazeCD <= 0f)
			{
				BattleDR.current.TP++;
				BattleDR.current.grazeCD = 10f;
			}
			Audio.PlaySound(impact);
			bullet.onShot?.Invoke(bullet.node);
			QueueFree();
		}
		else if (bullet.type == IBullet.Type.Block)
		{
			Audio.PlaySound(blocked);
			QueueFree();
		}
	}

	private static IEnumerator DestroyBullet(Node2D bullet)
	{
		if (!GodotObject.IsInstanceValid(bullet))
		{
			yield break;
		}
		bullet.ProcessMode = ProcessModeEnum.Disabled;
		Vector2 s = bullet.Scale;
		Vector2 ts = s * 2f;
		Color c = bullet.Modulate;
		float a = 0f;
		for (float b = 15f; a < b; a += Main.deltaTime)
		{
			if (!GodotObject.IsInstanceValid(bullet))
			{
				yield break;
			}
			bullet.Modulate = c.Lerp(Main.colorClear, a / b);
			bullet.Scale = s.Lerp(ts, a / b);
			yield return null;
		}
		if (GodotObject.IsInstanceValid(bullet))
		{
			bullet.QueueFree();
		}
	}

	public override void _ExitTree()
	{
		BattleDR.current.shots.Remove(this);
	}

	}