using Godot;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public partial class game : Control
{
	[Export]
	private Vector2 _CardSize = new(200, 200);
	public Vector2 CardSize
	{
		get => _CardSize;
		set
		{
			_CardSize = value;
			if (IsNodeReady())
				PropogateCardSize();
		}
	}
	protected void PropogateCardSize()
	{
		foreach (var r in GetNode("%RowContainer").GetChildren().OfType<row>())
			r.CardSize = _CardSize;
		foreach (var c in GetNode("%UnassignedCardContainer").GetChildren().OfType<card>())
			c.CustomMinimumSize = _CardSize;
		SetContainerMinima();
	}
	public IEnumerable<row> Rows
		=> GetNode<VBoxContainer>("%RowContainer").GetChildren().OfType<row>();
	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
		var rows = this.GetAllDescendents<row>().ToArray();
		for (int i = 0; i < 50; i++)
		{
			var c = card.MakeCard(GetTree());
			GD.Print(c.CardId);
			c.CardName = $"Card {i}";
			if (GD.RandRange(0, 1) == 1)
			{
				//add to a row
				var r = rows[GD.RandRange(0, rows.Length - 1)];
				r.AddCard(c);
			}
			else
			{
				AddUnassignedCard(c);
			}
		}


		PropogateCardSize();
	}
    // public override void _UnhandledInput(InputEvent @event)
    // {
    //     if (@event is InputEventMouseButton iemb)
	// 	{
	// 		if (iemb.ButtonIndex == MouseButton.Right)
	// 		{
				
	// 		}
	// 	}
	// 	else if (@event is InputEventKey iek)
	// 	{

	// 	}
    // }
    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
	{
	}
	public void SetContainerMinima()
	{
		var node = GetNode<VBoxContainer>("%RowContainer");
		node.CustomMinimumSize = new Vector2(0, _CardSize.Y * node.GetChildCount());
	}
	public row GetRowById(string id)
		=> GetTree().GetNodesInGroup("RowGroup").OfType<row>().FirstOrDefault(r => r.RowId == id);
	public void AddRow(row row, string after = null)
	{
		if (after is not null)
		{
			var r = GetRowById(after) ?? throw new Exception("row id does not exist");
			r.AddSibling(row);
        }
		else
		{
			var node = GetNode<VBoxContainer>("%RowContainer");
			node.AddChild(row);
			node.MoveChild(row, 0);
		}
		SetContainerMinima();
    }
	public void RemoveRow(string id)
	{
		var r = GetRowById(id);
		GetNode<VBoxContainer>("%RowContainer").RemoveChild(r);
		SetContainerMinima();
	}
	public void AddUnassignedCard(card c)
	{
		c.CustomMinimumSize = _CardSize;
		var node = GetNode<HFlowContainer>("%UnassignedCardContainer");
		node.AddChild(c);
	}
	public card RemoveUnassignedCard(string id)
	{
		var node = GetNode<HFlowContainer>("%UnassignedCardContainer");
		var c = node.GetAllDescendents<card>().FirstOrDefault(x => x.CardId == id);
		if (c is not null)
		{
			node.RemoveChild(c);
		}
		return c;
	}
	/// <summary>
	/// 
	/// </summary>
	/// <param name="id"></param>
	/// <param name="target_row">null to unassign card</param>
	/// <returns>false if something goes wrong</returns>
	// public bool MoveCard(string id, row target_row, float horizontal)
	// {
	// 	foreach (row r in Rows)
	// 	{
	// 		if (r.TryRemoveCard(id) is card c)
	// 		{
	// 			//add to row
	// 			if (target_row is not null)
	// 			{
	// 				target_row.AddCard(c);
	// 				return true;
	// 			}
	// 			//unassign
	// 			else
	// 			{
	// 				AddUnassignedCard(c);
	// 				return true;
	// 			}
	// 		}
	// 	}
	// 	if (RemoveUnassignedCard(id) is card cc)
	// 	{
	// 		//add to row
	// 		if (target_row is not null)
	// 		{
	// 			target_row.AddCard(cc);
	// 			return true;
	// 		}
	// 		//unassign
	// 		else
	// 		{
	// 			AddUnassignedCard(cc);
	// 			return true;
	// 		}
	// 	}
	// 	return false;
	// }
	public card ClaimCard(string id)
	{
		foreach (row r in Rows)
		{
			if (r.TryRemoveCard(id) is card c)
				return c;
		}
		return RemoveUnassignedCard(id);
	}
}