using System;
using Godot;
using Movementtests.systems;

[Tool, GlobalClass]
public partial class AbilitySelection : Control
{
    [Signal] public delegate void AbilityAddedEventHandler(WeaponSystem.WeaponEvent forEvent, string abilityName);
    
    [Export] public WeaponSystem.WeaponEvent ForEvent { get; set; } = WeaponSystem.WeaponEvent.StartedFlying;
    
    private string _title = string.Empty;
    [Export] public string Title {
        get => _title;
        set
        {
            _title = value;
            TitleChanged();
        }
    }
    
    [Export] public PackedScene AbilitySelectionItem { get; set; }

    private VBoxContainer _abilities;
    private MenuButton _addAbility;
    private PopupMenu _addAbilityMenu;
    
    public override void _Ready()
    {
        _abilities = GetNode<VBoxContainer>("%SelectedAbilities");
        _addAbility = GetNode<MenuButton>("%AddAbility");
        _addAbilityMenu = _addAbility.GetPopup();
        
        _addAbilityMenu.IdPressed += AddAbilityMenuOnIdPressed;
        _addAbilityMenu.IndexPressed += AddAbilityMenuOnIndexPressed;
    }

    private void AddAbilityMenuOnIndexPressed(long index)
    {
        var indexInt = Convert.ToInt32(index);
        var metadata = _addAbilityMenu.GetItemMetadata(indexInt);
        var name = _addAbilityMenu.GetItemText(indexInt);
        EmitSignalAbilityAdded(ForEvent, name);
    }

    private void AddAbilityMenuOnIdPressed(long id)
    {
    }

    public void TitleChanged()
    {
        var titleLabel = GetNode<Label>("%TitleLabel");
        titleLabel.Text = Title;
    }
}