using System.Collections.Generic;
using Godot;
using Godot.Collections;
using Newlon.Components.GUI;
using Newlon.Resources;

[Tool]
public partial class SeedpacketEditor : BaseEditor
{
    private const string PLANTS_DIRECTORY = "res://assets/plants/";
    public override void SetEditedData(AdventureLevelResource data)
    {
        base.SetEditedData(data);
        SetupPrepickedPlants();
        SetupForbiddablePlants();
    }

    public override void Save()
    {
        CalculatePrepickedPlants();
        CalculateForbiddenPlants();
        base.Save();
    }
    private void SetupPrepickedPlants()
    {
        for (int i = 0; i < editedResource.prepickedPlants.Count; i++)
        {
            if (GetNode("%PrepickedContainer").GetChild(i).GetNode("Seedpacket") is DnDSeedpacket packet)
            {
                packet.HeldResource = TryGetPlant(editedResource.prepickedPlants[i]);
                packet.RefreshTexture();
            }
        }
    }
    private void SetupForbiddablePlants()
    {
        var plants = GetPlants();
        var packed = ResourceLoader.Load<PackedScene>("uid://dymyownbt688c");
        for (int i = 0; i < plants.Count; i++)
        {
            var seedpacket = packed.Instantiate<ForbiddableSeedpacket>();
            seedpacket.HeldResource = plants[i];
            seedpacket.forbidden = editedResource.forbiddenPlants.Contains(plants[i].GetInternalID());
            seedpacket.RefreshTexture();
            seedpacket.SaveCallback += Save;

            GetNode("%FPlantsContainer").AddChild(seedpacket);
        }
    }
    private void CalculatePrepickedPlants()
    {
        Array<string> prepicked = new();
        foreach (var child in GetNode("%PrepickedContainer").GetChildren())
        {
            if (child.GetNode("Seedpacket") is DnDSeedpacket packet && packet.HeldResource != null)
            {
                prepicked.Add(packet.HeldResource.GetInternalID());
            }
        }
        editedResource.prepickedPlants = prepicked;
    }
    private void CalculateForbiddenPlants()
    {
        Array<string> forbidden = new();

        foreach (var child in GetNode("%FPlantsContainer").GetChildren())
        {
            if (child is ForbiddableSeedpacket packet && packet.forbidden)
            {
                forbidden.Add(packet.HeldResource.GetInternalID());
            }
        }

        editedResource.forbiddenPlants = forbidden;
    }
    private PlantResource TryGetPlant(string plantName)
    {
        foreach (var file in ResourceLoader.ListDirectory(PLANTS_DIRECTORY))
        {
            if (plantName != file.TrimSuffix(".tres").ToLower()) continue;
            return ResourceLoader.Load<PlantResource>(PLANTS_DIRECTORY + file);
        }
        return null;
    }
    private List<PlantResource> GetPlants()
    {
        var result = new List<PlantResource>();

        foreach (var file in ResourceLoader.ListDirectory(PLANTS_DIRECTORY))
        {
            result.Add(ResourceLoader.Load<PlantResource>(PLANTS_DIRECTORY + file));
        }
        result.Sort((a, b) =>
        {
            return a.Order - b.Order;
        });

        return result;
    }

}