using System;
using Cirno.Scripts.Components.Actors;
using Godot;

namespace Cirno.Scripts.Components.FSM.Player;

public partial class Active : PlayerFSMState
{
    private Vector2 _movementDirection { get; set; }
    private Vector2 _facingDirection { get; set; }

    [Export] public Sprite2D HitboxSprite { get; set; }

    [ExportGroup("Action Names")]
    [Export] private string _shootActionName = "shoot";
    [Export] private string _useActionName = "Use";
    [Export] private string _strafeActionName = "strafe";
    [Export] private string _nextWeaponActionName = "next_weapon";
    [Export] private string _previousWeaponActionName = "previous_weapon";

    private PlayerWeaponProvider _weaponProvider;

    private bool _isStrafing { get; set; }

    [Export]
    public int Speed { get; set; } = 45;

    [Export]
    public int StrafeSpeed { get; set; } = 35;

    public int MovementSpeed => _isStrafing ? StrafeSpeed : Speed;

    public override void Init(ActorStateMachine stateMachine)
    {
        base.Init(stateMachine);

        _weaponProvider = stateMachine.GetNode<PlayerWeaponProvider>("WeaponProvider");

        _weaponProvider.Init(stateMachine);
    }

    public override void EnterState()
    {
        // enable sprite
        // enable crosshair
        GD.Print(this.State.ToString());
    }

    public override void ExitState()
    {

    }

    public override void PhysicsProcessState(double delta)
    {
        _stateMachine.Velocity = _movementDirection * MovementSpeed;

        _stateMachine.MoveAndSlide();
    }

    public override void ProcessState(double delta)
    {
        SetAnimation();

        _movementDirection = GetInput();
        _isStrafing = Input.IsActionPressed(_strafeActionName);

        // Toggle visibility of the hitbox sprite based on strafing
        if (HitboxSprite != null)
        {
            HitboxSprite.Visible = _isStrafing;
        }

        var rightStickInput = GetRightStickInput();

        // Update Facing Direction
        if (!_isStrafing)
        {
            if (rightStickInput.Length() > 0.1f) // If the right stick is moved
            {
                _facingDirection = rightStickInput.Normalized();
            }
            else if (_movementDirection != Vector2.Zero) // Fall back to movement direction
            {
                _facingDirection = _movementDirection;
            }
        }

        HandleShoot();
        // FindInteractable();

        // if (Input.IsActionJustPressed(_nextWeaponActionName))
        // {
        //     NextWeapon();
        // }

        // if (Input.IsActionJustPressed(_previousWeaponActionName))
        // {
        //     PreviousWeapon();
        // }

        // _crosshair.Position = CalculateCrosshairPosition();

    }

    private void SetAnimation()
    {

        // if (Velocity.X == 0 && Velocity.Y == 0)
        // {
        //     _animatedSprite.SpeedScale = 0;
        // }
        // else
        // {
        //     _animatedSprite.SpeedScale = 1;
        // }

        // if (Velocity.X > 0)
        // {
        //     _animatedSprite.Play("walk_right");
        // }
        // else if (Velocity.X < 0)
        // {
        //     _animatedSprite.Play("walk_left");
        // }
        // else if (Velocity.Y > 0)
        // {
        //     _animatedSprite.Play("walk_down");
        // }
        // else if (Velocity.Y < 0)
        // {
        //     _animatedSprite.Play("walk_up");
        // }


    }

    private void HandleShoot()
    {
        if (!Input.IsActionPressed(_shootActionName)) return;
        _weaponProvider.Shoot(this._facingDirection);
    }

    public Vector2 GetInput()
    {
        return Input.GetVector("left", "right", "up", "down");
    }

    private Vector2 GetRightStickInput()
    {
        return new Vector2(
            Input.GetAxis("aim_left", "aim_right"),
            Input.GetAxis("aim_up", "aim_down")
        );
    }

}