using Godot;
using System;
using System.Collections.Generic;
using System.Globalization;

public partial class TASable : Node
{
    [Export] RigidBody3D _assignedRigidBody3D;

    public RigidBody3D AssignedRigidBody3D
    {
        get { return this._assignedRigidBody3D; }
    }

    // Frame data
    public Dictionary<int, Vector3> framePositions = new Dictionary<int, Vector3>();
    public Dictionary<int, Vector3> frameLinearVelocities = new Dictionary<int, Vector3>();
    public Dictionary<int, Vector3> frameAngularVelocities = new Dictionary<int, Vector3>();


    public virtual void SaveState(int frame)
    {
        this.framePositions[frame] = this.AssignedRigidBody3D.Position;
        this.frameLinearVelocities[frame] = this.AssignedRigidBody3D.LinearVelocity;
        this.frameAngularVelocities[frame] = this.AssignedRigidBody3D.AngularVelocity;
    }

    public virtual void LoadState(int frame)
    {
        this.AssignedRigidBody3D.Position = this.framePositions[frame];
        this.AssignedRigidBody3D.LinearVelocity = this.frameLinearVelocities[frame];
        this.AssignedRigidBody3D.AngularVelocity = this.frameAngularVelocities[frame];
    }


    public override void _Ready()
    {
        TAS_System TAS = GetNode<TAS_System>("/root/TAS_System");

        TAS.FrameIncremented += this.OnFrameIncremented;
        TAS.FramesAdvanced += this.OnFramesAdvanced;
        TAS.FramesRegressed += this.OnFramesRegressed;
        TAS.StartedIncrementing += this.OnStartedIncrementing;
        TAS.StoppedIncrementing += this.OnStoppedIncrementing;
        TAS.FramesReset += this.OnFramesReset;

        this.SaveState(0);
    }

    public virtual void OnFrameIncremented(int newFrame)
    {
        this.SaveState(newFrame);
        GD.Print($"Frame advanced to {newFrame}, called from node {this.AssignedRigidBody3D.Name}");
    }

    public virtual void OnFramesAdvanced(int startFrame, int endFrame)
    {
        this.LoadState(endFrame);
        GD.Print($"Frames advanced from {startFrame} to {endFrame}, called from node {this.AssignedRigidBody3D.Name}");
    }

    public virtual void OnFramesRegressed(int startFrame, int endFrame)
    {
        this.LoadState(endFrame);
        GD.Print($"Frames regressed from {startFrame} to {endFrame}, called from node {this.AssignedRigidBody3D.Name}");
    }

    public virtual void OnStartedIncrementing()
    {
        this.AssignedRigidBody3D.Freeze = false;
    }

    public virtual void OnStoppedIncrementing()
    {
        this.AssignedRigidBody3D.Freeze = true;
    }

    public virtual void OnFramesReset()
    {
        this.SaveState(0);
    }
}