using Babushka.scripts.CSharp.Common.Savegame;
using Godot;
using Godot.Collections;

namespace Babushka.scripts.CSharp.Common.Temp;

/// <summary>
/// Temporary Duck behaviour to make sure we can use them in the first showcase
/// </summary>
public partial class MVPDuck : Node2D, ISaveable
{
    [ExportGroup("Animation")]
    [Export] private Node2D _penTarget;
    [Export] private int _transferDelayMs;
    [Export] private AnimationPlayer _animationPlayer;
    [Export] private string _flapAnimationName = "flapFlap";

    private bool _collected;
    
    [Signal] public delegate void DuckCollectedEventHandler();

    public override void _Ready()
    {
        LoadFromSaveData();
    }

    public void TransferToTargetAfterDelay()
    {
        if (!_collected)
        {
            MoveAfterDelay();
            PlayAnimation();
            _collected = true;
        }
    }

    private void PlayAnimation()
    {
        _animationPlayer.CurrentAnimation = _flapAnimationName;
        _animationPlayer.Play();
    }
    
    public async void MoveAfterDelay()
    {
        await ToSignal(GetTree().CreateTimer(1.0f), "timeout");
        if(!_penTarget.Equals(null))
            Position = _penTarget.GlobalPosition;
        EmitSignal(SignalName.DuckCollected);
        UpdateSaveData();
    }

#region SAVE AND LOAD

    /// <summary>
    // Saves duck position.
    /// </summary>
    public void UpdateSaveData()
    {
        var payloadData = new Dictionary<string, Variant>
        {
            { "globalPositionX", GlobalPosition.X },
            { "globalPositionY", GlobalPosition.Y },
        };
        
        string id = GetMeta("SaveID").AsString();
        SavegameService.AppendDataToSave( id, payloadData);
    }

    /// <summary>
    /// Loads duck position.
    /// </summary>
    public void LoadFromSaveData()
    {
        string id = GetMeta("SaveID").AsString(); 
        
        Dictionary<string, Variant> save = SavegameService.GetSaveData(id);
        if (save.Count > 0)
        {
            float xPos = 0;
            float yPos = 0;
            if (save.TryGetValue("globalPositionX", out Variant xPosVar))
            {
                xPos = xPosVar.AsSingle();
            }
            
            if (save.TryGetValue("globalPositionY", out Variant yPosVar))
            {
                yPos = yPosVar.AsSingle();
            }

            GlobalPosition = new Vector2(xPos, yPos);
        }
    }
    
    #endregion
}