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

namespace BITFactory;
[GlobalClass]
public partial class IDIS_TemplateWeaver : FormWeaverResource
{
	[Export] private NodePath addFieldsButtonPath;
	[Export] private NodePath templateBuilderPath;
	[Export] private NodePath templateNameEditPath;
	[Export] private NodePath saveTemplateNameButtonPath;
	private Button addFieldsButton => formBuilder.GetNode<Button>(addFieldsButtonPath);
	private TemplateBuilder templateBuilder => formBuilder.GetNode<TemplateBuilder>(templateBuilderPath);
	private LineEdit templateNameEdit => formBuilder.GetNode<LineEdit>(templateNameEditPath);
	private Button saveTemplateNameButton => formBuilder.GetNode<Button>(saveTemplateNameButtonPath);
	
	private readonly List<IDIS_TemplateForm> fields = new();
	public override void Weaver(Control container, IFormField formField)
	{
		var field = formField as IDIS_TemplateForm;
		
		fields.Add(field);
		
		var hBox = container.Create<HBoxContainer>();
		var nameEdit = hBox.Create<LineEdit>();
		var typeButton = hBox.Create<OptionButton>();
		var defaultValueEdit = hBox.Create<LineEdit>();
		var categoryEdit = hBox.Create<LineEdit>();
		var removeButton = hBox.Create<Button>();

		nameEdit.SizeFlagsHorizontal = Control.SizeFlags.ExpandFill;
		typeButton.SizeFlagsHorizontal = Control.SizeFlags.ExpandFill;
		defaultValueEdit.SizeFlagsHorizontal = Control.SizeFlags.ExpandFill;
		categoryEdit.SizeFlagsHorizontal = Control.SizeFlags.ExpandFill;
		
		nameEdit.PlaceholderText="名称";
		typeButton.Text = "类型";
		defaultValueEdit.PlaceholderText="默认值";
		categoryEdit.PlaceholderText="分类";
			
		typeButton.GetPopup().AddItem("string");
		typeButton.GetPopup().AddItem("int");
		typeButton.GetPopup().AddItem("ulong");
		typeButton.GetPopup().AddItem("double");
		typeButton.GetPopup().AddItem("h_site");
		typeButton.GetPopup().AddItem("base64");
		typeButton.GetPopup().AddItem("guid");
		typeButton.GetPopup().AddItem("url");
		typeButton.GetPopup().AddItem("dateTime");
		typeButton.GetPopup().AddItem("float");
		
		typeButton.Selected = 0;
		
		nameEdit.Text = field!.Name;
		typeButton.Text = field!.Type;
		defaultValueEdit.Text = field!.DefaultValue;
		categoryEdit.Text = field!.Category;
		removeButton.Text= "删除";
		
		nameEdit.TextChanged+=x=>field!.Name=x;
		typeButton.ItemSelected+=x=>field!.Type=typeButton.GetPopup().GetItemText((int)x);
		defaultValueEdit.TextChanged+=x=>field!.DefaultValue=x;
		categoryEdit.TextChanged+=x=>field!.Category=x;
		
		removeButton.Pressed+=()=>
		{
			fields.Remove(field!);
			container.QueueFree();

			var current = templateBuilder.CurrentTemplate.Fields.ToList();
			current.Remove(formField);
			templateBuilder.CurrentTemplate.Fields = current.ToArray();
		};
	}

	public override string GetContent()
	{
		if (fields.Any(x =>
		    {
			    switch (x.Name, x.Type, x.DefaultValue, x.Category)
			    {
				    case ("", _, _, _):
				    case (_, "", _, _):
				    case (_, _, "", _):
					    return true;
				    default:
					    return false;
			    }
		    }))
		{
			throw new InvalidOperationException("请填写完整");
		}
		var value = JsonHelper.Get(fields);
		return value;
	}
	public override void Clear()
	{
		fields.Clear();
		templateNameEdit.Text = templateBuilder.CurrentTemplate?.Name;
	}
	public override void OnStart()
	{
		addFieldsButton.Pressed+=AddFields;
		
		templateNameEdit.TextSubmitted+=ChangeCurrentTemplateName;
		saveTemplateNameButton.Pressed+=()=>
		{
			ChangeCurrentTemplateName(templateNameEdit.Text);
		};
	}
	private void AddFields()
	{
		var current = templateBuilder.CurrentTemplate.Fields.ToList();
		current.Add(new IDIS_TemplateForm()
		{
			
		});
		templateBuilder.CurrentTemplate.Fields = current.ToArray();
		
		templateBuilder.Rebuild();
	}

	private void ChangeCurrentTemplateName(string newName)
	{
		if(templateBuilder.CurrentTemplate==null) return;

			if (templateBuilder.template.GetTemplates().Any(x => x.Name == newName))
				// ReSharper disable once StringLiteralTypo
				newName+=DateTime.Now.ToString("mmss");
		
		templateBuilder.CurrentTemplate.Name = newName;
		
		templateBuilder.template.ManualSave();
		
		templateBuilder.Rebuild();

		UXContextMenu
			.Create()
			.AddAction("New PopopMenu",null)
			.Build();
			
	}
}