using Godot;
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using BITKit;

namespace BITFactory;

public partial class IDIS_RegisterService : Node
{
	[ExportCategory("Services")]
	[Export] private IDIS_Service service;
	[Export] private IDIS_TemplateService templateService;
	
	[ExportCategory("TemplateList")]
	[Export] private ItemList templateList;
	
	[ExportCategory("Register Data")]
	[Export] private LineEdit handleEdit;
	[Export] private Button generateHandleButton;
	[Export] private Control registerContainer;
	[Export] private Button registerButton;
	[Export] private ProgressBar registerProgress;
	
	[ExportCategory("Register Reference")]
	[Export] private Control referenceContainer;
	[Export] private Button addReferenceButton;
	
	[ExportCategory("Hints")]
	[Export] private Label hints;

	private readonly Dictionary<int, KeyValuePair<string, string>> _currentValues = new();
	private readonly List<string> _currentReferences = new();

	public override void _Ready()
	{
		templateList.ItemClicked += OnItemClicked;

		registerButton.Pressed += Register;

		generateHandleButton.Pressed += ()=>handleEdit.Text = IDIS_Service.GenerateHandle();
		
		addReferenceButton.Pressed += AddReferenceEdit;

		handleEdit.Editable = false;
		registerButton.Disabled = true;
		
		Rebuild();
	}

	private void Rebuild()
	{
		if (Engine.IsEditorHint()) return;
		templateList.Clear();
		foreach (var x in templateService.templates)
		{
			templateList.AddItem(x.TemplateName);
		}
	}

	private void OnItemClicked(long index, Vector2 atPosition, long mouseButtonIndex)
	{
		MathNode.RemoveAllChild(registerContainer);
		MathNode.RemoveAllChild(referenceContainer);
		
		var template = templateService.templates[(int)index];
		

		var grid = new GridContainer();
		grid.Columns = 2;
		grid.AddThemeConstantOverride("h_separation", 64);

		registerContainer.AddChild(grid);

		_currentValues.Clear();

		var _dirIndex = 0;
		foreach (var x in template.Formats)
		{
			var label = new Label();
			var lineEdit = new LineEdit();

			var myIndex = _dirIndex++;

			label.Text = x.format;

			lineEdit.PlaceholderText = x.hint;
			lineEdit.SizeFlagsHorizontal = Control.SizeFlags.ExpandFill;

			_currentValues.Add(myIndex, new KeyValuePair<string, string>(x.format, x.hint));

			lineEdit.TextChanged += (s) => { _currentValues[myIndex] = new KeyValuePair<string, string>(x.format, s); };

			grid.AddChild(label);
			grid.AddChild(lineEdit);
		}

		handleEdit.Editable = true;
		registerButton.Disabled = false;
	}

	private void AddReferenceEdit()
	{
		var lineEdit = new LineEdit();
		
		var currentIndex = referenceContainer.GetChildCount();

		_currentReferences.Add(string.Empty);
		lineEdit.TextChanged += s =>
		{
			_currentReferences[currentIndex] = s;
		};

		lineEdit.Text = "88.123.99/";
		
		referenceContainer.AddChild(lineEdit);
	}
	private void Register()
	{
		var handle = string.IsNullOrEmpty(handleEdit.Text) ? IDIS_Service.GenerateHandle() : handleEdit.Text;
		var dataJson = JsonHelper.Get(_currentValues);
		var referenceJson = JsonHelper.Get(_currentReferences);
		
		BIT4Log.Log<IDIS_RegisterService>($"注册标识:{handle}");
		BIT4Log.Log<IDIS_RegisterService>($"\n{dataJson}");
		BIT4Log.Log<IDIS_RegisterService>("注册引用:");
		BIT4Log.Log<IDIS_RegisterService>($"\n{referenceJson}");
		
		hints.Text="正在注册...";
		
		service.Register(handle);
		foreach (var x in _currentValues)
		{
			service.Register(handle, x.Value.Key, x.Value.Value);
		}
		foreach (var x in _currentReferences)
		{
			service.RegisterReference(handle, x);
		}

		var tween = CreateTween();
		registerButton.Disabled = true;
		registerProgress.Value = 0;
		tween.TweenProperty(registerProgress, "value", registerProgress.MaxValue, 0.5f);
		tween.Finished+= () =>
		{
			registerProgress.Value = 0;
			registerProgress.Visible = false;
			registerButton.Disabled = false;
			hints.Text = "注册成功";
		};
		tween.Play();

		handleEdit.Text = string.Empty;
	}
}