using Godot;
using System.Linq;
using VirtualChemistry.Chemistry.Compounds.Implements;
using VirtualChemistry.Chemistry.Mixtures.Implements;

public partial class MainControlPanel : HBoxContainer
{
	private HSlider EnvTemperature { get; set; }
	private HSlider ContainerVolume { get; set; }
	private HomogeneousMixture SelectedMixture { get; set; }
	private Label Density { get; set; }
	private Label Volume { get; set; }
	private Label HeatConductivity { get; set; }
	private Label Amount { get; set; }
	private Label Temperature { get; set; }
	private Label FreeVolume { get; set; }
	private Label Stiffness { get; set; }
	private Tree Compounds { get; set; }

	public override void _Ready()
	{
		EnvTemperature = GetNode<HSlider>("V1/EnvTemperature");
		ContainerVolume = GetNode<HSlider>("V1/ContainerVolume");
		Density = GetNode<Label>("V2/HDensity/Density");
		Volume = GetNode<Label>("V2/HVolume/Volume");
		HeatConductivity = GetNode<Label>("V2/HHeatConductivity/HeatConductivity");
		Amount = GetNode<Label>("V2/HAmount/Amount");
		Temperature = GetNode<Label>("V2/HTemperature/Temperature");
		FreeVolume = GetNode<Label>("V2/HFreeVolume/FreeVolume");
		Stiffness = GetNode<Label>("V2/HStiffnesss/Stiffness");
		Compounds = GetNode<Tree>("V3/Compounds");
		
		GlobalScene.MainControlPanel = this;
	}

	public void Update(HomogeneousMixture mixture)
	{
		SelectedMixture = mixture;
		Update();
	}

	public void Update()
	{
		if (SelectedMixture == HomogeneousMixture.Null)
			return;
		Density.Text = $"{SelectedMixture.Density}";
		Volume.Text = $"{SelectedMixture.Volume}";
		HeatConductivity.Text = $"{SelectedMixture.HeatConductivity.Get}";
		Amount.Text = $"{SelectedMixture.Amount}";
		Temperature.Text = $"{SelectedMixture.Temperature}";
		FreeVolume.Text = $"{SelectedMixture.FreeVolume}";
		Stiffness.Text = $"{SelectedMixture.CompressionStiffness}";
		BuildTree();
	}

	public void BuildAllTree()
	{
		Compounds.Clear();
		TreeItem root = Compounds.CreateItem();
		root.SetText(0, $"Mixtures({GlobalScene.Flask.Content.Layers.Count}): ");
		root.SetMeta("isoExp", GlobalScene.Flask.Content.Dump());
		int i = 1;
		foreach (HomogeneousMixture h in GlobalScene.Flask.Content.LayerOrder)
		{
			TreeItem sRoot = Compounds.CreateItem(root);
			sRoot.SetText(0,$"Mixture{i} Amt{h.Amount}");
			sRoot.SetMeta("isoExp", h.Dump());
			foreach (var group in h.Compounds.GroupBy(x => x.Expression))
			{
				TreeItem t = Compounds.CreateItem(sRoot);
				t.SetText(0, group.Key);
				t.SetSelectable(0, false);
				int j = 1;
				foreach (Compound c in group)
				{
					TreeItem x = Compounds.CreateItem(t);
					x.SetText(0, $"{j}th isomer");
					x.SetMeta("isoExp", c.IsoRepresentation);
					j++;
				}
				i++;
			}
		}
	}

	private void BuildTree()
	{
		Compounds.Clear();
		var groups = SelectedMixture.Compounds.GroupBy(x => x.Expression);
		TreeItem root = Compounds.CreateItem(null);
		root.SetText(0, "Compounds: ");
		foreach (var group in groups)
		{
			TreeItem t = Compounds.CreateItem(root);
			t.SetText(0, group.Key);
			t.SetSelectable(0, false);
			int i = 1;
			foreach (Compound c in group)
			{
				TreeItem x = Compounds.CreateItem(t);
				x.SetText(0, $"{i}th isomer");
				x.SetMeta("isoExp", c.IsoRepresentation);
			}
		}
	}

	private void IsomerSelectedHandler()
	{
		GlobalScene.Demo.FullRepr.Text = Compounds
			.GetSelected()
			.GetMeta("isoExp")
			.AsString();
	}

	private void OneStep()
	{
		GlobalScene.Flask.Content.OneStep();
		GlobalScene.Flask.Update();
	}

	private void RemoveTop()
	{
		GlobalScene.Flask.Content.RemoveTop();
		GlobalScene.Flask.Update();
	}

	private void RemoveBottom()
	{
		GlobalScene.Flask.Content.RemoveBottom();
		GlobalScene.Flask.Update();
	}

	private void SetTemperature(float temp)
	{
		GlobalScene.Flask.EnvironmentTemperature = temp;
	}

	private void SetVolume(float vol)
	{
		GlobalScene.Flask.ContainerVolume = vol;
		GlobalScene.Flask.Update();
	}

	private void SetElasticContainer(bool on)
	{
		GlobalScene.ElasticContainer = on;
		if (on)
			ContainerVolume.Editable = false;
		else
			ContainerVolume.Editable = true;
		
	}
}