#nullable enable

using Godot;
using SideScrollerGame.Hero.Rules;

namespace SideScrollerGame.Hero;

public partial class HeroActor : Node2D
{
    public override void _PhysicsProcess(double delta)
    {
        if (m_Runtime is not null && m_Runtime.State.LifeState != HeroLifeState.Alive)
        {
            return;
        }

        Vector2 direction = Input.GetVector("move_left", "move_right", "move_up", "move_down");
        GlobalPosition = ClampToBounds(GlobalPosition + (direction * MoveSpeed * (float)delta));
    }

    public void SetRuntime(HeroRuntimeService runtime)
    {
        m_Runtime = runtime;
    }

    public void SetPlayBounds(Rect2 bounds)
    {
        PlayBounds = bounds;
        GlobalPosition = ClampToBounds(GlobalPosition);
    }

    [Export]
    public float MoveSpeed { get; set; } = 320.0f;

    [Export]
    public Rect2 PlayBounds { get; set; } = new(new Vector2(260.0f, 96.0f), new Vector2(640.0f, 420.0f));

    private Vector2 ClampToBounds(Vector2 position)
    {
        if (PlayBounds.Size == Vector2.Zero)
        {
            return position;
        }

        float x = Mathf.Clamp(position.X, PlayBounds.Position.X, PlayBounds.Position.X + PlayBounds.Size.X);
        float y = Mathf.Clamp(position.Y, PlayBounds.Position.Y, PlayBounds.Position.Y + PlayBounds.Size.Y);
        return new Vector2(x, y);
    }

    private HeroRuntimeService? m_Runtime;
}