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

namespace BITFactory;
[GlobalClass]
public partial class IDIS_TemplateResource : TemplateResource
{
	private static readonly List<FormResource> Templates=new();
	private static InitializationState state = InitializationState.None;
	private static string assetPath => PathHelper.GetPath("标识模板资源包.zip");
	private static string entryPath => "Templates.json";
	public override FormResource[] GetTemplates()
	{
		EnsureCreated();
		return Templates.ToArray();
	}
	public override string[] GetTemplateNames()
	{
		EnsureCreated();
		return Templates.Select(x => x.Name).ToArray();
	}
	public override FormResource GetTemplate(string name)
	{
		EnsureCreated();
		return Templates.Single(x => x.Name == name);
	}
	public override bool IsSupportCreateTemplate => true;
	public override void CreateTemplate()
	{
		Templates.Add(new IDIS_TemplateFormResource()
		{
			Name = "新的标识模板:"+Guid.NewGuid(),
			Fields = new IFormField[]
			{
				new IDIS_TemplateForm()
			}
		});
	}
	private void EnsureCreated()
	{
		if (state != InitializationState.None) return;
		if (File.Exists(assetPath))
		{
			foreach (var x in BITAssets.Read<KeyValuePair<string,IDIS_TemplateForm[]>[]>(assetPath, entryPath))
			{
				Templates.Add(new IDIS_TemplateFormResource()
				{
					Name = x.Key,
					Fields = x.Value.Select(_=>_ as IFormField).ToArray()
				});
			}
		}
		state = InitializationState.Initialized;
	}

	public override void OnStop()
	{
		ManualSave();
	}

	public override void ManualSave()
	{
		// var values = new System.Collections.Generic.Dictionary<string, List<IFormField>>(
		// 	Templates.Select(x=>new KeyValuePair<string, List<IFormField>>(
		// 		x.Key,x.Value.Fields.ToList()
		// 	))
		// );
		var values = Templates.Select(x => new KeyValuePair<string, object>(
			x.Name, x.Fields
		));
		BITAssets.Build(assetPath,new BITAsset(entryPath,JsonHelper.Get(values)));
	}
}